{"id":41469,"date":"2026-06-03T14:00:00","date_gmt":"2026-06-03T07:00:00","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=41469"},"modified":"2026-06-03T14:13:37","modified_gmt":"2026-06-03T07:13:37","slug":"cai-dat-va-su-dung-docker-tren-ubuntu","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn C\u00e0i \u0110\u1eb7t v\u00e0 S\u1eed D\u1ee5ng Docker tr\u00ean Ubuntu (Chi Ti\u1ebft T\u1eebng B\u01b0\u1edbc) 2026"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Nhung-diem-chinh-can-luu-y\" >Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Yeu-cau-he-thong\" >Y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-1-%E2%80%94-Cai-dat-Docker\" >B\u01b0\u1edbc 1 \u2014 C\u00e0i \u0111\u1eb7t Docker<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-2-%E2%80%94-Chay-lenh-Docker-khong-can-Sudo-Tuy-chon\" >B\u01b0\u1edbc 2 \u2014 Ch\u1ea1y l\u1ec7nh Docker kh\u00f4ng c\u1ea7n Sudo (T\u00f9y ch\u1ecdn)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-3-%E2%80%94-Tim-hieu-cach-su-dung-lenh-Docker\" >B\u01b0\u1edbc 3 \u2014 T\u00ecm hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng l\u1ec7nh Docker<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-4-%E2%80%94-Lam-viec-voi-Docker-Image\" >B\u01b0\u1edbc 4 \u2014 L\u00e0m vi\u1ec7c v\u1edbi Docker Image<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-5-%E2%80%94-Khoi-chay-mot-Docker-Container\" >B\u01b0\u1edbc 5 \u2014 Kh\u1edfi ch\u1ea1y m\u1ed9t Docker Container<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-6-%E2%80%94-Quan-ly-cac-Docker-Container\" >B\u01b0\u1edbc 6 \u2014 Qu\u1ea3n l\u00fd c\u00e1c Docker Container<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-7-%E2%80%94-Luu-thay-doi-tu-Container-thanh-Docker-Image\" >B\u01b0\u1edbc 7 \u2014 L\u01b0u thay \u0111\u1ed5i t\u1eeb Container th\u00e0nh Docker Image<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Buoc-8-%E2%80%94-Day-Push-Docker-Image-len-Docker-Hub\" >B\u01b0\u1edbc 8 \u2014 \u0110\u1ea9y (Push) Docker Image l\u00ean Docker Hub<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#So-sanh-Docker-va-Docker-Compose\" >So s\u00e1nh Docker v\u00e0 Docker Compose<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Khac-phuc-mot-so-loi-thuong-gap-khi-cai-dat-Docker\" >Kh\u1eafc ph\u1ee5c m\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi c\u00e0i \u0111\u1eb7t Docker<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Loi-docker-command-not-found\" >L\u1ed7i:\u00a0docker: command not found<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Loi-Cannot-connect-to-the-Docker-daemon\" >L\u1ed7i:\u00a0Cannot connect to the Docker daemon<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Loi-lien-quan-den-Khoa-GPG-hoac-loi-cap-nhat-Repository\" >L\u1ed7i li\u00ean quan \u0111\u1ebfn Kh\u00f3a GPG ho\u1eb7c l\u1ed7i c\u1eadp nh\u1eadt Repository<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Su-dung-Docker-Desktop-tren-Ubuntu\" >S\u1eed d\u1ee5ng Docker Desktop tr\u00ean Ubuntu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Cai-dat-Docker-thong-qua-tep-Dockerfile\" >C\u00e0i \u0111\u1eb7t Docker th\u00f4ng qua t\u1ec7p Dockerfile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Cach-go-cai-dat-hoan-toan-Docker-khoi-Ubuntu\" >C\u00e1ch g\u1ee1 c\u00e0i \u0111\u1eb7t ho\u00e0n to\u00e0n Docker kh\u1ecfi Ubuntu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Cau-hoi-thuong-gap-FAQs\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#1-Cach-cai-dat-Docker-tot-nhat-tren-Ubuntu-la-gi\" >1. C\u00e1ch c\u00e0i \u0111\u1eb7t Docker t\u1ed1t nh\u1ea5t tr\u00ean Ubuntu l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#2-Co-bat-buoc-dung-lenh-sudo-de-van-hanh-Docker\" >2. C\u00f3 b\u1eaft bu\u1ed9c d\u00f9ng l\u1ec7nh\u00a0sudo\u00a0\u0111\u1ec3 v\u1eadn h\u00e0nh Docker?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#3-Lam-cach-nao-de-xac-thuc-Docker-dang-chay-on-dinh\" >3. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 x\u00e1c th\u1ef1c Docker \u0111ang ch\u1ea1y \u1ed5n \u0111\u1ecbnh?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#4-Toi-co-the-cai-dat-chinh-xac-mot-phien-ban-Docker-mong-muon-khong\" >4. T\u00f4i c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t ch\u00ednh x\u00e1c m\u1ed9t phi\u00ean b\u1ea3n Docker mong mu\u1ed1n kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#5-Su-khac-biet-mau-chot-giua-Docker-va-Docker-Compose-la-gi\" >5. S\u1ef1 kh\u00e1c bi\u1ec7t m\u1ea5u ch\u1ed1t gi\u1eefa Docker v\u00e0 Docker Compose l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#6-Lam-cach-nao-de-xoa-Docker-khoi-he-thong-cua-minh\" >6. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 x\u00f3a Docker kh\u1ecfi h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#7-Docker-Desktop-co-san-cho-Ubuntu-va-toi-co-nen-su-dung-no-khong\" >7. Docker Desktop c\u00f3 s\u1eb5n cho Ubuntu v\u00e0 t\u00f4i c\u00f3 n\u00ean s\u1eed d\u1ee5ng n\u00f3 kh\u00f4ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-va-su-dung-docker-tren-ubuntu\/#Loi-ket\" >L\u1eddi k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p><a href=\"https:\/\/www.docker.com\/\" target=\"_blank\" rel=\"noopener\">Docker<\/a>\u00a0l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh qu\u1ea3n l\u00fd c\u00e1c ti\u1ebfn tr\u00ecnh c\u1ee7a \u1ee9ng d\u1ee5ng b\u00ean trong c\u00e1c container. Container cho ph\u00e9p b\u1ea1n ch\u1ea1y c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh trong c\u00e1c ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp v\u1ec1 t\u00e0i nguy\u00ean. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u00e1y \u1ea3o (virtual machines), nh\u01b0ng container linh ho\u1ea1t h\u01a1n, ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean h\u01a1n v\u00e0 ph\u1ee5 thu\u1ed9c nhi\u1ec1u h\u01a1n v\u00e0o h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y ch\u1ee7 (host).<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, <a href=\"https:\/\/interdata.vn\/\" target=\"_blank\" rel=\"noopener\"><strong>InterData<\/strong><\/a> s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch c\u00e0i \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng Docker Community Edition (CE) tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Ubuntu. B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u chi ti\u1ebft t\u1eeb c\u00e1ch c\u00e0i \u0111\u1eb7t Docker, l\u00e0m vi\u1ec7c v\u1edbi container, qu\u1ea3n l\u00fd image, cho \u0111\u1ebfn vi\u1ec7c \u0111\u1ea9y m\u1ed9t image t\u1ef1 thi\u1ebft l\u1eadp l\u00ean Docker Repository.<\/p>\n<p><em>H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh tr\u00ean c\u00e1c phi\u00ean b\u1ea3n Ubuntu 20.04, 22.04 v\u00e0 24.04. C\u00e1c c\u00e2u l\u1ec7nh v\u00e0 b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a nh\u1edd s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf t\u1ef1 \u0111\u1ed9ng nh\u1eadn di\u1ec7n phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41474\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Huong-Dan-Cai-Dat-va-Su-Dung-Docker-tren-Ubuntu.jpg\" alt=\"H\u01b0\u1edbng D\u1eabn C\u00e0i \u0110\u1eb7t v\u00e0 S\u1eed D\u1ee5ng Docker tr\u00ean Ubuntu\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Huong-Dan-Cai-Dat-va-Su-Dung-Docker-tren-Ubuntu.jpg 1000w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Huong-Dan-Cai-Dat-va-Su-Dung-Docker-tren-Ubuntu-300x200.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Huong-Dan-Cai-Dat-va-Su-Dung-Docker-tren-Ubuntu-768x512.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<div class=\"info-box\">\u0110\u1ec3 vi\u1ec7c tri\u1ec3n khai Docker \u0111\u1ea1t hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n, b\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 \u1ea3o m\u1ea1nh m\u1ebd, c\u00f3 to\u00e0n quy\u1ec1n qu\u1ea3n tr\u1ecb. H\u00e3y tham kh\u1ea3o d\u1ecbch v\u1ee5 <strong><a href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">thu\u00ea VPS t\u1ed1c \u0111\u1ed9 cao t\u1ea1i InterData<\/a><\/strong>\u00a0\u0111\u1ec3 s\u1edf h\u1eefu ngay m\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o Ubuntu ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, s\u1eb5n s\u00e0ng cho vi\u1ec7c th\u1eed nghi\u1ec7m c\u0169ng nh\u01b0 v\u1eadn h\u00e0nh c\u00e1c \u1ee9ng d\u1ee5ng container h\u00f3a.<\/div>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"Nhung-diem-chinh-can-luu-y\"><\/span>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng kho l\u01b0u tr\u1eef ch\u00ednh th\u1ee9c c\u1ee7a Docker<\/strong>: Vi\u1ec7c c\u00e0i \u0111\u1eb7t th\u00f4ng qua repository ch\u00ednh th\u1ee9c c\u1ee7a Docker gi\u00fap \u0111\u1ea3m b\u1ea3o b\u1ea1n lu\u00f4n nh\u1eadn \u0111\u01b0\u1ee3c phi\u00ean b\u1ea3n \u1ed5n \u0111\u1ecbnh m\u1edbi nh\u1ea5t c\u00f9ng c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt, thay v\u00ec ph\u1ee5 thu\u1ed9c v\u00e0o kho l\u01b0u tr\u1eef m\u1eb7c \u0111\u1ecbnh \u0111\u00f4i khi b\u1ecb ch\u1eadm c\u1eadp nh\u1eadt c\u1ee7a Ubuntu.<\/li>\n<li><strong>Quy tr\u00ecnh c\u00e0i \u0111\u1eb7t kh\u00f4ng ph\u1ee5 thu\u1ed9c phi\u00ean b\u1ea3n<\/strong>: C\u00e1c c\u00e2u l\u1ec7nh t\u1ef1 \u0111\u1ed9ng nh\u1eadn di\u1ec7n ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng v\u00e0 phi\u00ean b\u1ea3n Ubuntu th\u00f4ng qua\u00a0<code>$(dpkg --print-architecture)<\/code>\u00a0v\u00e0\u00a0<code>$(lsb_release -cs)<\/code>\u00a0\u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch cao tr\u00ean Ubuntu 20.04, 22.04 v\u00e0 24.04.<\/li>\n<li><strong>Ch\u1ea1y l\u1ec7nh Docker kh\u00f4ng c\u1ea7n sudo<\/strong>: B\u1eb1ng c\u00e1ch th\u00eam t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng v\u00e0o nh\u00f3m h\u1ec7 th\u1ed1ng\u00a0<code>docker<\/code>, b\u1ea1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh l\u00e0m vi\u1ec7c, lo\u1ea1i b\u1ecf vi\u1ec7c ph\u1ea3i nh\u1eadp m\u1eadt kh\u1ea9u th\u01b0\u1eddng xuy\u00ean (c\u1ea7n l\u01b0u \u00fd v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng).<\/li>\n<li><strong>Ph\u00e2n bi\u1ec7t r\u00f5 Image v\u00e0 Container<\/strong>: Image \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00e1c b\u1ea3n thi\u1ebft k\u1ebf ch\u1ec9 \u0111\u1ecdc (read-only templates), trong khi Container l\u00e0 c\u00e1c th\u1ef1c th\u1ec3 \u0111ang ho\u1ea1t \u0111\u1ed9ng (running instances) \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o t\u1eeb c\u00e1c image \u0111\u00f3.<\/li>\n<li><strong>Docker Compose \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n<\/strong>: C\u00e1c b\u1ea3n c\u00e0i \u0111\u1eb7t Docker hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 t\u00edch h\u1ee3p s\u1eb5n Docker Compose d\u01b0\u1edbi d\u1ea1ng m\u1ed9t plugin, h\u1ed7 tr\u1ee3 truy c\u1eadp tr\u1ef1c ti\u1ebfp qua l\u1ec7nh\u00a0<code>docker compose<\/code>\u00a0(kh\u00f4ng c\u1ea7n d\u1ea5u g\u1ea1ch ngang) thay v\u00ec ph\u1ea3i c\u00e0i \u0111\u1eb7t c\u00f4ng c\u1ee5 \u0111\u1ed9c l\u1eadp\u00a0<code>docker-compose<\/code>\u00a0c\u0169.<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Yeu-cau-he-thong\"><\/span>Y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 th\u1ef1c hi\u1ec7n theo b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb:<\/p>\n<ul>\n<li>M\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o ch\u1ea1y Ubuntu \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng c\u00f3 quy\u1ec1n\u00a0<code>sudo<\/code>\u00a0(kh\u00f4ng ph\u1ea3i t\u00e0i kho\u1ea3n root) v\u00e0 c\u00f3 c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda c\u01a1 b\u1ea3n. N\u1ebfu ch\u01b0a c\u00f3 m\u00e1y ch\u1ee7, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng kh\u1edfi t\u1ea1o m\u1ed9t c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p th\u00f4ng qua d\u1ecbch v\u1ee5\u00a0<strong><a href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">cho thu\u00ea VPS c\u1ea5u h\u00ecnh cao c\u1ee7a InterData<\/a><\/strong>.<\/li>\n<li>M\u1ed9t t\u00e0i kho\u1ea3n \u0111\u0103ng k\u00fd tr\u00ean\u00a0<a href=\"https:\/\/hub.docker.com\/\" target=\"_blank\" rel=\"nofollow noopener\">Docker Hub<\/a>\u00a0n\u1ebfu b\u1ea1n mu\u1ed1n t\u1ef1 t\u1ea1o v\u00e0 l\u01b0u tr\u1eef c\u00e1c image c\u1ee7a ri\u00eang m\u00ecnh l\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y n\u00e0y (\u00e1p d\u1ee5ng \u1edf B\u01b0\u1edbc 7 v\u00e0 B\u01b0\u1edbc 8).<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-1-%E2%80%94-Cai-dat-Docker\"><\/span>B\u01b0\u1edbc 1 \u2014 C\u00e0i \u0111\u1eb7t Docker<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>G\u00f3i c\u00e0i \u0111\u1eb7t Docker m\u1eb7c \u0111\u1ecbnh trong kho \u1ee9ng d\u1ee5ng c\u1ee7a Ubuntu c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 c\u1eadp nh\u1eadt, ch\u00fang ta s\u1ebd c\u00e0i \u0111\u1eb7t Docker tr\u1ef1c ti\u1ebfp t\u1eeb kho l\u01b0u tr\u1eef ch\u00ednh th\u1ee9c c\u1ee7a nh\u00e0 ph\u00e1t tri\u1ec3n. Ch\u00fang ta s\u1ebd th\u00eam ngu\u1ed3n c\u00e0i \u0111\u1eb7t m\u1edbi, t\u00edch h\u1ee3p kh\u00f3a GPG c\u1ee7a Docker \u0111\u1ec3 x\u00e1c th\u1ef1c b\u1ea3o m\u1eadt, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t.<\/p>\n<p>\u0110\u1ea7u ti\u00ean, c\u1eadp nh\u1eadt danh s\u00e1ch c\u00e1c g\u00f3i \u1ee9ng d\u1ee5ng hi\u1ec7n c\u00f3 tr\u00ean h\u1ec7 th\u1ed1ng:<\/p>\n<pre><code class=\"language-bash\">sudo apt update\r\n<\/code><\/pre>\n<p>Ti\u1ebfp theo, c\u00e0i \u0111\u1eb7t m\u1ed9t s\u1ed1 g\u00f3i b\u1ed5 tr\u1ee3 c\u1ea7n thi\u1ebft \u0111\u1ec3 cho ph\u00e9p c\u00f4ng c\u1ee5\u00a0<code>apt<\/code>\u00a0t\u1ea3i v\u00e0 c\u00e0i \u0111\u1eb7t c\u00e1c g\u00f3i th\u00f4ng qua giao th\u1ee9c HTTPS b\u1ea3o m\u1eadt:<\/p>\n<pre><code class=\"language-bash\">sudo apt install ca-certificates curl gnupg\r\n<\/code><\/pre>\n<p>Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh t\u1ea3i v\u00e0 l\u01b0u kh\u00f3a GPG ch\u00ednh th\u1ee9c c\u1ee7a Docker v\u00e0o h\u1ec7 th\u1ed1ng b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c keyring b\u1ea3o m\u1eadt m\u1edbi:<\/p>\n<pre><code class=\"language-bash\">sudo install -m 0755 -d \/etc\/apt\/keyrings\r\ncurl -fsSL https:\/\/download.docker.com\/linux\/ubuntu\/gpg | sudo gpg --dearmor -o \/etc\/apt\/keyrings\/docker.gpg\r\nsudo chmod a+r \/etc\/apt\/keyrings\/docker.gpg\r\n<\/code><\/pre>\n<p>Th\u00eam kho l\u01b0u tr\u1eef c\u1ee7a Docker v\u00e0o danh s\u00e1ch ngu\u1ed3n c\u1ea5p APT. C\u00e2u l\u1ec7nh d\u01b0\u1edbi \u0111\u00e2y s\u1ebd t\u1ef1 \u0111\u1ed9ng nh\u1eadn di\u1ec7n phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh Ubuntu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng:<\/p>\n<pre><code class=\"language-bash\">echo \\\r\n  \"deb [arch=$(dpkg --print-architecture) signed-by=\/etc\/apt\/keyrings\/docker.gpg] https:\/\/download.docker.com\/linux\/ubuntu \\\r\n  $(. \/etc\/os-release &amp;&amp; echo \"$VERSION_CODENAME\") stable\" | \\\r\n  sudo tee \/etc\/apt\/sources.list.d\/docker.list &gt; \/dev\/null\r\n<\/code><\/pre>\n<p>Ti\u1ebfp t\u1ee5c c\u1eadp nh\u1eadt l\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u g\u00f3i c\u1ee7a APT \u0111\u1ec3 h\u1ec7 th\u1ed1ng ghi nh\u1eadn ngu\u1ed3n c\u00e0i \u0111\u1eb7t m\u1edbi v\u1eeba th\u00eam:<\/p>\n<pre><code class=\"language-bash\">sudo apt update\r\n<\/code><\/pre>\n<p>Ki\u1ec3m tra \u0111\u1ec3 ch\u1eafc ch\u1eafn r\u1eb1ng h\u1ec7 th\u1ed1ng s\u1ebd c\u00e0i \u0111\u1eb7t Docker t\u1eeb kho l\u01b0u tr\u1eef c\u1ee7a ch\u00ednh h\u00e3ng ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb kho m\u1eb7c \u0111\u1ecbnh c\u1ee7a Ubuntu:<\/p>\n<pre><code class=\"language-bash\">apt-cache policy docker-ce\r\n<\/code><\/pre>\n<p>K\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh s\u1ebd li\u1ec7t k\u00ea c\u00e1c phi\u00ean b\u1ea3n c\u00f3 s\u1eb5n t\u1eeb Docker. Phi\u00ean b\u1ea3n c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y th\u1eddi \u0111i\u1ec3m, nh\u01b0ng b\u1ea1n s\u1ebd th\u1ea5y \u0111\u01b0\u1eddng d\u1eabn URL c\u1ee7a Docker xu\u1ea5t hi\u1ec7n trong k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, ch\u1ea1y l\u1ec7nh sau \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a Docker:<\/p>\n<pre><code class=\"language-bash\">sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin\r\n<\/code><\/pre>\n<p><strong>L\u01b0u \u00fd:<\/strong>\u00a0Qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t n\u00e0y \u0111\u00e3 bao g\u1ed3m\u00a0<code>docker-buildx-plugin<\/code>\u00a0v\u00e0\u00a0<code>docker-compose-plugin<\/code>\u00a0\u0111\u1ec3 cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng Docker Compose hi\u1ec7n \u0111\u1ea1i. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp l\u1ec7nh\u00a0<code>docker compose<\/code>\u00a0(kh\u00f4ng c\u1ea7n d\u1ea5u g\u1ea1ch ngang) thay th\u1ebf cho l\u1ec7nh\u00a0<code>docker-compose<\/code>\u00a0\u0111\u1ed9c l\u1eadp tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n<p>Sau khi qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t ho\u00e0n t\u1ea5t, d\u1ecbch v\u1ee5 Docker daemon s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c kh\u1edfi ch\u1ea1y v\u00e0 thi\u1ebft l\u1eadp kh\u1edfi \u0111\u1ed9ng c\u00f9ng h\u1ec7 th\u1ed1ng. H\u00e3y ki\u1ec3m tra tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Docker b\u1eb1ng l\u1ec7nh:<\/p>\n<pre><code class=\"language-bash\">sudo systemctl status docker\r\n<\/code><\/pre>\n<p>K\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb th\u00e0nh c\u00f4ng s\u1ebd t\u01b0\u01a1ng t\u1ef1 nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y, cho th\u1ea5y tr\u1ea1ng th\u00e1i d\u1ecbch v\u1ee5 \u0111ang \u1edf ch\u1ebf \u0111\u1ed9\u00a0<code>active (running)<\/code>:<\/p>\n<pre><code>Output\u25cf docker.service - Docker Application Container Engine\r\n     Loaded: loaded (\/lib\/systemd\/system\/docker.service; enabled; vendor preset: enabled)\r\n     Active: active (running) since Tue 2020-05-19 17:00:41 UTC; 17s ago\r\nTriggeredBy: \u25cf docker.socket\r\n       Docs: https:\/\/docs.docker.com\r\n   Main PID: 24321 (dockerd)\r\n      Tasks: 8\r\n     Memory: 46.4M\r\n     CGroup: \/system.slice\/docker.service\r\n             \u2514\u250024321 \/usr\/bin\/dockerd -H fd:\/\/ --containerd=\/run\/containerd\/containerd.sock\r\n<\/code><\/pre>\n<p>Gi\u1edd \u0111\u00e2y, b\u1ea1n kh\u00f4ng ch\u1ec9 c\u00f3 d\u1ecbch v\u1ee5 ch\u1ea1y ng\u1ea7m Docker (daemon) ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u00e1y ch\u1ee7 m\u00e0 c\u00f2n c\u00f3 s\u1eb5n c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh\u00a0<code>docker<\/code>\u00a0(Docker client) \u0111\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ef1c thi c\u00e1c thao t\u00e1c \u0111i\u1ec1u ph\u1ed1i.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-2-%E2%80%94-Chay-lenh-Docker-khong-can-Sudo-Tuy-chon\"><\/span>B\u01b0\u1edbc 2 \u2014 Ch\u1ea1y l\u1ec7nh Docker kh\u00f4ng c\u1ea7n Sudo (T\u00f9y ch\u1ecdn)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Theo m\u1eb7c \u0111\u1ecbnh, l\u1ec7nh\u00a0<code>docker<\/code>\u00a0ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c thi b\u1edfi ng\u01b0\u1eddi d\u00f9ng\u00a0<strong>root<\/strong>\u00a0ho\u1eb7c nh\u1eefng t\u00e0i kho\u1ea3n n\u1eb1m trong nh\u00f3m\u00a0<strong>docker<\/strong>\u00a0(nh\u00f3m n\u00e0y t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t Docker). N\u1ebfu b\u1ea1n c\u1ed1 t\u00ecnh ch\u1ea1y l\u1ec7nh\u00a0<code>docker<\/code>\u00a0b\u1eb1ng m\u1ed9t t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng th\u00f4ng th\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u00f3 ti\u1ec1n t\u1ed1\u00a0<code>sudo<\/code>, h\u1ec7 th\u1ed1ng s\u1ebd tr\u1ea3 v\u1ec1 l\u1ed7i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 sau:<\/p>\n<pre><code>Outputdocker: Cannot connect to the Docker daemon. Is the docker daemon running on this host?.\r\nSee 'docker run --help'.\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 tr\u00e1nh vi\u1ec7c ph\u1ea3i nh\u1eadp ti\u1ec1n t\u1ed1\u00a0<code>sudo<\/code>\u00a0m\u1ed7i khi ch\u1ea1y l\u1ec7nh\u00a0<code>docker<\/code>, b\u1ea1n h\u00e3y th\u00eam t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng hi\u1ec7n t\u1ea1i c\u1ee7a m\u00ecnh v\u00e0o nh\u00f3m\u00a0<strong>docker<\/strong>:<\/p>\n<pre><code class=\"language-bash\">sudo usermod -aG docker ${USER}\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 c\u00e1c thay \u0111\u1ed5i v\u1ec1 quy\u1ec1n nh\u00f3m c\u00f3 hi\u1ec7u l\u1ef1c ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y ch\u1ee7, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u0103ng xu\u1ea5t r\u1ed3i \u0111\u0103ng nh\u1eadp l\u1ea1i, ho\u1eb7c s\u1eed d\u1ee5ng l\u1ec7nh sau:<\/p>\n<pre><code class=\"language-bash\">su - ${USER}\r\n<\/code><\/pre>\n<p>H\u1ec7 th\u1ed1ng s\u1ebd y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp m\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 ti\u1ebfp t\u1ee5c x\u00e1c th\u1ef1c.<\/p>\n<p>Ki\u1ec3m tra l\u1ea1i xem t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n \u0111\u00e3 th\u1ef1c s\u1ef1 thu\u1ed9c nh\u00f3m\u00a0<strong>docker<\/strong>\u00a0ch\u01b0a b\u1eb1ng l\u1ec7nh:<\/p>\n<pre><code class=\"language-bash\">groups\r\n<\/code><\/pre>\n<pre><code>Outputinterdata-user sudo docker\r\n<\/code><\/pre>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n th\u00eam m\u1ed9t t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng kh\u00e1c (kh\u00f4ng ph\u1ea3i t\u00e0i kho\u1ea3n b\u1ea1n \u0111ang \u0111\u0103ng nh\u1eadp) v\u00e0o nh\u00f3m\u00a0<code>docker<\/code>, h\u00e3y ch\u1ec9 \u0111\u1ecbnh r\u00f5 t\u00ean ng\u01b0\u1eddi d\u00f9ng \u0111\u00f3:<\/p>\n<pre><code class=\"language-bash\">sudo usermod -aG docker username\r\n<\/code><\/pre>\n<p>C\u00e1c n\u1ed9i dung h\u01b0\u1edbng d\u1eabn ti\u1ebfp theo trong b\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng b\u1ea1n \u0111ang ch\u1ea1y l\u1ec7nh\u00a0<code>docker<\/code>\u00a0b\u1eb1ng m\u1ed9t t\u00e0i kho\u1ea3n \u0111\u00e3 thu\u1ed9c nh\u00f3m\u00a0<code>docker<\/code>. N\u1ebfu b\u1ea1n kh\u00f4ng c\u1ea5u h\u00ecnh b\u01b0\u1edbc n\u00e0y, vui l\u00f2ng th\u00eam ti\u1ec1n t\u1ed1\u00a0<code>sudo<\/code>\u00a0tr\u01b0\u1edbc m\u1ed7i c\u00e2u l\u1ec7nh.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-3-%E2%80%94-Tim-hieu-cach-su-dung-lenh-Docker\"><\/span>B\u01b0\u1edbc 3 \u2014 T\u00ecm hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng l\u1ec7nh Docker<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u1ea5u tr\u00fac l\u1ec7nh c\u1ee7a c\u00f4ng c\u1ee5\u00a0<code>docker<\/code>\u00a0th\u01b0\u1eddng bao g\u1ed3m chu\u1ed7i c\u00e1c t\u00f9y ch\u1ecdn, l\u1ec7nh ph\u1ee5 (subcommand) v\u00e0 c\u00e1c \u0111\u1ed1i s\u1ed1 \u0111i k\u00e8m. C\u00fa ph\u00e1p c\u01a1 b\u1ea3n c\u00f3 d\u1ea1ng:<\/p>\n<pre><code class=\"language-bash\">docker [option] [command] [arguments]\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 xem to\u00e0n b\u1ed9 danh m\u1ee5c c\u00e1c l\u1ec7nh ph\u1ee5 c\u00f3 s\u1eb5n, h\u00e3y g\u00f5 tr\u1ef1c ti\u1ebfp:<\/p>\n<pre><code class=\"language-bash\">docker\r\n<\/code><\/pre>\n<p>Danh s\u00e1ch c\u00e1c l\u1ec7nh ph\u1ee5 ph\u1ed5 bi\u1ebfn h\u1ed7 tr\u1ee3 b\u1ea1n qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng bao g\u1ed3m:<\/p>\n<table>\n<thead>\n<tr>\n<th>L\u1ec7nh<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>attach<\/td>\n<td>K\u1ebft n\u1ed1i lu\u1ed3ng d\u1eef li\u1ec7u chu\u1ea9n (input, output, error) v\u00e0o m\u1ed9t container \u0111ang ch\u1ea1y<\/td>\n<\/tr>\n<tr>\n<td>build<\/td>\n<td>X\u00e2y d\u1ef1ng m\u1ed9t image m\u1edbi t\u1eeb t\u1ec7p c\u1ea5u h\u00ecnh Dockerfile<\/td>\n<\/tr>\n<tr>\n<td>commit<\/td>\n<td>T\u1ea1o m\u1ed9t image m\u1edbi t\u1eeb nh\u1eefng thay \u0111\u1ed5i c\u1ee7a m\u1ed9t container hi\u1ec7n t\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td>cp<\/td>\n<td>Sao ch\u00e9p t\u1eadp tin\/th\u01b0 m\u1ee5c gi\u1eefa container v\u00e0 h\u1ec7 th\u1ed1ng t\u1ec7p c\u1ee5c b\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>create<\/td>\n<td>T\u1ea1o m\u1edbi m\u1ed9t container nh\u01b0ng ch\u01b0a kh\u1edfi ch\u1ea1y<\/td>\n<\/tr>\n<tr>\n<td>diff<\/td>\n<td>Ki\u1ec3m tra c\u00e1c thay \u0111\u1ed5i tr\u00ean h\u1ec7 th\u1ed1ng t\u1ec7p c\u1ee7a m\u1ed9t container<\/td>\n<\/tr>\n<tr>\n<td>events<\/td>\n<td>Nh\u1eadn c\u00e1c s\u1ef1 ki\u1ec7n theo th\u1eddi gian th\u1ef1c t\u1eeb m\u00e1y ch\u1ee7 Docker<\/td>\n<\/tr>\n<tr>\n<td>exec<\/td>\n<td>Th\u1ef1c thi m\u1ed9t c\u00e2u l\u1ec7nh tr\u1ef1c ti\u1ebfp b\u00ean trong m\u1ed9t container \u0111ang ho\u1ea1t \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>export<\/td>\n<td>Xu\u1ea5t to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng t\u1ec7p c\u1ee7a m\u1ed9t container th\u00e0nh m\u1ed9t t\u1ec7p n\u00e9n tar<\/td>\n<\/tr>\n<tr>\n<td>history<\/td>\n<td>Hi\u1ec3n th\u1ecb l\u1ecbch s\u1eed thay \u0111\u1ed5i c\u1ee7a m\u1ed9t image<\/td>\n<\/tr>\n<tr>\n<td>images<\/td>\n<td>Li\u1ec7t k\u00ea danh s\u00e1ch c\u00e1c image hi\u1ec7n c\u00f3 tr\u00ean m\u00e1y ch\u1ee7<\/td>\n<\/tr>\n<tr>\n<td>import<\/td>\n<td>Nh\u1eadp n\u1ed9i dung t\u1eeb t\u1ec7p tin tar \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t image h\u1ec7 th\u1ed1ng<\/td>\n<\/tr>\n<tr>\n<td>info<\/td>\n<td>Hi\u1ec3n th\u1ecb c\u00e1c th\u00f4ng tin t\u1ed5ng quan v\u1ec1 h\u1ec7 th\u1ed1ng Docker \u0111ang ho\u1ea1t \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>inspect<\/td>\n<td>Tr\u1ea3 v\u1ec1 c\u00e1c th\u00f4ng tin chi ti\u1ebft \u1edf m\u1ee9c \u0111\u1ed9 chuy\u00ean s\u00e2u c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng Docker<\/td>\n<\/tr>\n<tr>\n<td>kill<\/td>\n<td>Bu\u1ed9c d\u1eebng ngay l\u1eadp t\u1ee9c m\u1ed9t ho\u1eb7c nhi\u1ec1u container \u0111ang ch\u1ea1y<\/td>\n<\/tr>\n<tr>\n<td>load<\/td>\n<td>T\u1ea3i m\u1ed9t image t\u1eeb m\u1ed9t t\u1ec7p n\u00e9n tar ho\u1eb7c lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>login<\/td>\n<td>\u0110\u0103ng nh\u1eadp v\u00e0o m\u1ed9t kho ch\u1ee9a Docker registry (nh\u01b0 Docker Hub)<\/td>\n<\/tr>\n<tr>\n<td>logout<\/td>\n<td>\u0110\u0103ng xu\u1ea5t kh\u1ecfi m\u1ed9t kho ch\u1ee9a Docker registry<\/td>\n<\/tr>\n<tr>\n<td>logs<\/td>\n<td>Truy xu\u1ea5t th\u00f4ng tin nh\u1eadt k\u00fd (logs) c\u1ee7a m\u1ed9t container c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n<tr>\n<td>pause<\/td>\n<td>T\u1ea1m d\u1eebng t\u1ea5t c\u1ea3 c\u00e1c ti\u1ebfn tr\u00ecnh b\u00ean trong m\u1ed9t ho\u1eb7c nhi\u1ec1u container<\/td>\n<\/tr>\n<tr>\n<td>port<\/td>\n<td>Li\u1ec7t k\u00ea ho\u1eb7c \u0111\u1ecbnh v\u1ecb c\u00e1c c\u1ed5ng m\u1ea1ng \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 c\u1ee7a container<\/td>\n<\/tr>\n<tr>\n<td>ps<\/td>\n<td>Li\u1ec7t k\u00ea danh s\u00e1ch c\u00e1c container \u0111ang ho\u1ea1t \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>pull<\/td>\n<td>T\u1ea3i m\u1ed9t image ho\u1eb7c kho l\u01b0u tr\u1eef t\u1eeb Docker registry v\u1ec1 m\u00e1y ch\u1ee7<\/td>\n<\/tr>\n<tr>\n<td>push<\/td>\n<td>\u0110\u1ea9y m\u1ed9t image ho\u1eb7c kho l\u01b0u tr\u1eef t\u1eeb m\u00e1y ch\u1ee7 l\u00ean Docker registry<\/td>\n<\/tr>\n<tr>\n<td>rename<\/td>\n<td>\u0110\u1ed5i t\u00ean m\u1ed9t container hi\u1ec7n c\u00f3<\/td>\n<\/tr>\n<tr>\n<td>restart<\/td>\n<td>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u1ed9t ho\u1eb7c nhi\u1ec1u container<\/td>\n<\/tr>\n<tr>\n<td>rm<\/td>\n<td>X\u00f3a b\u1ecf m\u1ed9t ho\u1eb7c nhi\u1ec1u container<\/td>\n<\/tr>\n<tr>\n<td>rmi<\/td>\n<td>X\u00f3a b\u1ecf m\u1ed9t ho\u1eb7c nhi\u1ec1u image<\/td>\n<\/tr>\n<tr>\n<td>run<\/td>\n<td>Kh\u1edfi ch\u1ea1y m\u1ed9t c\u00e2u l\u1ec7nh b\u00ean trong m\u1ed9t container m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o<\/td>\n<\/tr>\n<tr>\n<td>save<\/td>\n<td>L\u01b0u m\u1ed9t ho\u1eb7c nhi\u1ec1u image th\u00e0nh m\u1ed9t t\u1ec7p tin tar<\/td>\n<\/tr>\n<tr>\n<td>search<\/td>\n<td>T\u00ecm ki\u1ebfm c\u00e1c image c\u00f3 s\u1eb5n tr\u00ean kho \u1ee9ng d\u1ee5ng Docker Hub<\/td>\n<\/tr>\n<tr>\n<td>start<\/td>\n<td>Kh\u1edfi \u0111\u1ed9ng m\u1ed9t ho\u1eb7c nhi\u1ec1u container \u0111\u00e3 b\u1ecb d\u1eebng tr\u01b0\u1edbc \u0111\u00f3<\/td>\n<\/tr>\n<tr>\n<td>stats<\/td>\n<td>Hi\u1ec3n th\u1ecb s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea th\u1eddi gian th\u1ef1c v\u1ec1 t\u00e0i nguy\u00ean ph\u1ea7n c\u1ee9ng s\u1eed d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>stop<\/td>\n<td>D\u1eebng m\u1ed9t ho\u1eb7c nhi\u1ec1u container \u0111ang ho\u1ea1t \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>tag<\/td>\n<td>G\u00e1n th\u1ebb (tag) cho m\u1ed9t image ngu\u1ed3n \u0111\u1ec3 d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>top<\/td>\n<td>Hi\u1ec3n th\u1ecb c\u00e1c ti\u1ebfn tr\u00ecnh \u0111ang ch\u1ea1y b\u00ean trong m\u1ed9t container<\/td>\n<\/tr>\n<tr>\n<td>unpause<\/td>\n<td>Kh\u00f4i ph\u1ee5c c\u00e1c ti\u1ebfn tr\u00ecnh \u0111ang b\u1ecb t\u1ea1m ng\u01b0ng b\u00ean trong container<\/td>\n<\/tr>\n<tr>\n<td>update<\/td>\n<td>C\u1eadp nh\u1eadt c\u1ea5u h\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u container<\/td>\n<\/tr>\n<tr>\n<td>version<\/td>\n<td>Hi\u1ec3n th\u1ecb th\u00f4ng tin phi\u00ean b\u1ea3n Docker \u0111ang c\u00e0i \u0111\u1eb7t tr\u00ean m\u00e1y<\/td>\n<\/tr>\n<tr>\n<td>wait<\/td>\n<td>Ch\u1eb7n ti\u1ebfn tr\u00ecnh cho \u0111\u1ebfn khi container d\u1eebng h\u1eb3n v\u00e0 in ra m\u00e3 tho\u00e1t c\u1ee7a n\u00f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ec3 t\u00ecm hi\u1ec3u chi ti\u1ebft c\u00e1c t\u00f9y ch\u1ecdn v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng c\u1ee7a m\u1ed9t l\u1ec7nh c\u1ee5 th\u1ec3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00fa ph\u00e1p tr\u1ee3 gi\u00fap:<\/p>\n<pre><code class=\"language-bash\">docker docker-subcommand --help\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 ki\u1ec3m tra th\u00f4ng tin c\u1ea5u h\u00ecnh to\u00e0n di\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng Docker tr\u00ean m\u00e1y ch\u1ee7, h\u00e3y d\u00f9ng l\u1ec7nh:<\/p>\n<pre><code class=\"language-bash\">docker info\r\n<\/code><\/pre>\n<p>Ti\u1ebfp theo, ch\u00fang ta s\u1ebd b\u1eaft \u0111\u1ea7u th\u1ef1c h\u00e0nh thao t\u00e1c tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c Image.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-4-%E2%80%94-Lam-viec-voi-Docker-Image\"><\/span>B\u01b0\u1edbc 4 \u2014 L\u00e0m vi\u1ec7c v\u1edbi Docker Image<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Docker container \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c Docker image. M\u1eb7c \u0111\u1ecbnh, Docker s\u1ebd t\u00ecm ki\u1ebfm v\u00e0 t\u1ea3i c\u00e1c image n\u00e0y t\u1eeb\u00a0<a href=\"https:\/\/hub.docker.com\/\" target=\"_blank\" rel=\"nofollow noopener\">Docker Hub<\/a>, m\u1ed9t kho l\u01b0u tr\u1eef ch\u00ednh th\u1ee9c do ch\u00ednh h\u00e3ng qu\u1ea3n l\u00fd. H\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i Linux th\u00f4ng d\u1ee5ng \u0111\u1ec1u c\u00f3 c\u00e1c image \u0111\u01b0\u1ee3c duy tr\u00ec t\u1ea1i \u0111\u00e2y.<\/p>\n<p>\u0110\u1ec3 ki\u1ec3m tra xem m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ea3i c\u00e1c image t\u1eeb Docker Hub hay kh\u00f4ng, h\u00e3y ch\u1ea1y th\u1eed l\u1ec7nh sau:<\/p>\n<pre><code class=\"language-bash\">docker run hello-world\r\n<\/code><\/pre>\n<p>K\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 hi\u1ec3n th\u1ecb Docker \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t:<\/p>\n<pre><code>OutputUnable to find image 'hello-world:latest' locally\r\nlatest: Pulling from library\/hello-world\r\n0e03bdcc26d7: Pull complete\r\nDigest: sha256:6a65f928fb91fcfbc963f7aa6d57c8eeb426ad9a20c7ee045538ef34847f44f1\r\nStatus: Downloaded newer image for hello-world:latest\r\n\r\nHello from Docker!\r\nThis message shows that your installation appears to be working correctly.\r\n...\r\n<\/code><\/pre>\n<p>Ban \u0111\u1ea7u, Docker kh\u00f4ng t\u00ecm th\u1ea5y b\u1ea3n sao c\u1ee5c b\u1ed9 c\u1ee7a image\u00a0<code>hello-world<\/code>\u00a0tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, do \u0111\u00f3 n\u00f3 \u0111\u00e3 t\u1ef1 \u0111\u1ed9ng t\u1ea3i d\u1eef li\u1ec7u t\u1eeb Docker Hub xu\u1ed1ng. Sau khi t\u1ea3i th\u00e0nh c\u00f4ng, Docker kh\u1edfi t\u1ea1o container t\u1eeb image n\u00e0y v\u00e0 ch\u1ea1y \u1ee9ng d\u1ee5ng b\u00ean trong \u0111\u1ec3 in ra th\u00f4ng \u0111i\u1ec7p ch\u00e0o m\u1eebng tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm c\u00e1c \u1ee9ng d\u1ee5ng ho\u1eb7c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c tr\u00ean Docker Hub b\u1eb1ng l\u1ec7nh\u00a0<code>search<\/code>. V\u00ed d\u1ee5, \u0111\u1ec3 t\u00ecm ki\u1ebfm h\u1ec7 \u0111i\u1ec1u h\u00e0nh Ubuntu, h\u00e3y g\u00f5:<\/p>\n<pre><code class=\"language-bash\">docker search ubuntu\r\n<\/code><\/pre>\n<p>H\u1ec7 th\u1ed1ng s\u1ebd qu\u00e9t kho ch\u1ee9a tr\u1ef1c tuy\u1ebfn v\u00e0 hi\u1ec3n th\u1ecb danh s\u00e1ch c\u00e1c k\u1ebft qu\u1ea3 ph\u00f9 h\u1ee3p:<\/p>\n<pre><code>Output\r\n\r\nNAME                           DESCRIPTION                                          STARS    OFFICIAL   AUTOMATED\r\n--------------------------------------------------------------------------------------------------------------\r\nubuntu                         Ubuntu is a Debian-based Linux operating system...   10908    [OK]\r\ndorowu\/ubuntu-desktop-lxde-vnc Docker image to provide HTML5 VNC interface...         428               [OK]\r\nrastasheep\/ubuntu-sshd         Dockerized SSH service, built on top of official...   244               [OK]\r\nconsol\/ubuntu-xfce-vnc         Ubuntu container with \"headless\" VNC sessions...      218               [OK]\r\nubuntu-upstart                 Upstart is an event-based replacement for the...      108      [OK]\r\nansible\/ubuntu14.04-ansible    Ubuntu 14.04 LTS with Ansible pre-installed...         -\r\n<\/code><\/pre>\n<p>T\u1ea1i c\u1ed9t\u00a0<strong>OFFICIAL<\/strong>, tr\u1ea1ng th\u00e1i\u00a0<strong>OK<\/strong>\u00a0x\u00e1c nh\u1eadn \u0111\u00e2y l\u00e0 phi\u00ean b\u1ea3n ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u00e0 h\u1ed7 tr\u1ee3 b\u1edfi \u0111\u01a1n v\u1ecb ph\u00e1t tri\u1ec3n d\u1ef1 \u00e1n. Khi b\u1ea1n \u0111\u00e3 t\u00ecm th\u1ea5y b\u1ea3n ph\u00e2n ph\u1ed1i mong mu\u1ed1n, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i n\u00f3 v\u1ec1 m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh b\u1eb1ng l\u1ec7nh\u00a0<code>pull<\/code>.<\/p>\n<p>H\u00e3y t\u1ea3i b\u1ea3n c\u00e0i \u0111\u1eb7t ch\u00ednh th\u1ee9c c\u1ee7a\u00a0<code>ubuntu<\/code>\u00a0v\u1ec1 m\u00e1y:<\/p>\n<pre><code class=\"language-bash\">docker pull ubuntu\r\n<\/code><\/pre>\n<p>Qu\u00e1 tr\u00ecnh t\u1ea3i xu\u1ed1ng s\u1ebd di\u1ec5n ra nh\u01b0 sau:<\/p>\n<pre><code>OutputUsing default tag: latest\r\nlatest: Pulling from library\/ubuntu\r\nd51af753c3d3: Pull complete\r\nfc878cd0a91c: Pull complete\r\n6154df8ff988: Pull complete\r\nfee5db0ff82f: Pull complete\r\nDigest: sha256:747d2dbbaaee995098c9792d99bd333c6783ce56150d1b11e333bbceed5c54d7\r\nStatus: Downloaded newer image for ubuntu:latest\r\ndocker.io\/library\/ubuntu:latest\r\n<\/code><\/pre>\n<p>Sau khi m\u1ed9t image \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef c\u1ee5c b\u1ed9, b\u1ea1n c\u00f3 th\u1ec3 kh\u1edfi ch\u1ea1y m\u1ed9t container t\u1eeb n\u00f3 b\u1eb1ng l\u1ec7nh\u00a0<code>run<\/code>.<\/p>\n<p>\u0110\u1ec3 ki\u1ec3m tra danh s\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c image hi\u1ec7n c\u00f3 tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, h\u00e3y s\u1eed d\u1ee5ng c\u00e2u l\u1ec7nh:<\/p>\n<pre><code class=\"language-bash\">docker images\r\n<\/code><\/pre>\n<p>K\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb t\u01b0\u01a1ng t\u1ef1:<\/p>\n<pre><code>OutputREPOSITORY          TAG                 IMAGE ID            CREATED             SIZE\r\nubuntu              latest              1d622ef86b13        3 weeks ago         73.9MB\r\nhello-world         latest              bf756fb1ae65        4 months ago        13.3kB\r\n<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-5-%E2%80%94-Khoi-chay-mot-Docker-Container\"><\/span>B\u01b0\u1edbc 5 \u2014 Kh\u1edfi ch\u1ea1y m\u1ed9t Docker Container<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Container\u00a0<code>hello-world<\/code>\u00a0m\u00e0 ch\u00fang ta ch\u1ea1y \u1edf b\u01b0\u1edbc tr\u01b0\u1edbc l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 m\u1ed9t container ng\u1eafn h\u1ea1n \u2013 n\u00f3 t\u1ef1 \u0111\u1ed9ng d\u1eebng sau khi in th\u00f4ng \u0111i\u1ec7p. Trong th\u1ef1c t\u1ebf, container c\u00f3 th\u1ec3 ch\u1ea1y li\u00ean t\u1ee5c v\u00e0 cung c\u1ea5p giao di\u1ec7n t\u01b0\u01a1ng t\u00e1c t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t m\u00e1y \u1ea3o th\u1ef1c th\u1ee5 nh\u01b0ng t\u1ed1n c\u1ef1c k\u1ef3 \u00edt t\u00e0i nguy\u00ean.<\/p>\n<p>H\u00e3y th\u1eed ch\u1ea1y m\u1ed9t container t\u01b0\u01a1ng t\u00e1c b\u1eb1ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh Ubuntu v\u1eeba t\u1ea3i xu\u1ed1ng. Vi\u1ec7c k\u1ebft h\u1ee3p hai tham s\u1ed1\u00a0<strong>-i<\/strong>\u00a0(interactive) v\u00e0\u00a0<strong>-t<\/strong>\u00a0(tty) s\u1ebd cung c\u1ea5p cho b\u1ea1n m\u1ed9t giao di\u1ec7n shell t\u01b0\u01a1ng t\u00e1c tr\u1ef1c ti\u1ebfp b\u00ean trong container:<\/p>\n<pre><code class=\"language-bash\">docker run -it ubuntu\r\n<\/code><\/pre>\n<p>D\u00f2ng nh\u1eafc l\u1ec7nh (prompt) tr\u00ean terminal c\u1ee7a b\u1ea1n s\u1ebd thay \u0111\u1ed5i, ph\u1ea3n \u00e1nh vi\u1ec7c b\u1ea1n \u0111ang \u0111\u1ee9ng b\u00ean trong m\u00f4i tr\u01b0\u1eddng c\u00f4 l\u1eadp c\u1ee7a container:<\/p>\n<pre><code>Outputroot@d9b100f2f636:\/#\r\n<\/code><\/pre>\n<p>H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn ID c\u1ee7a container hi\u1ec3n th\u1ecb ngay tr\u00ean d\u00f2ng nh\u1eafc (\u1edf v\u00ed d\u1ee5 n\u00e0y l\u00e0\u00a0<code>d9b100f2f636<\/code>). B\u1ea1n s\u1ebd c\u1ea7n chu\u1ed7i ID n\u00e0y khi mu\u1ed1n d\u1eebng ho\u1eb7c g\u1ee1 b\u1ecf container n\u00e0y sau n\u00e0y.<\/p>\n<p>Gi\u1edd \u0111\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y b\u1ea5t k\u1ef3 d\u00f2ng l\u1ec7nh Linux n\u00e0o b\u00ean trong container n\u00e0y. V\u00ed d\u1ee5, c\u1eadp nh\u1eadt c\u01a1 s\u1edf d\u1eef li\u1ec7u g\u00f3i \u1ee9ng d\u1ee5ng c\u1ee7a container. L\u01b0u \u00fd r\u1eb1ng b\u1ea1n kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng\u00a0<code>sudo<\/code>\u00a0v\u00ec b\u1ea1n \u0111\u00e3 \u0111\u0103ng nh\u1eadp v\u1edbi t\u01b0 c\u00e1ch quy\u1ec1n t\u1ed1i cao\u00a0<strong>root<\/strong>\u00a0b\u00ean trong m\u00f4i tr\u01b0\u1eddng n\u00e0y:<\/p>\n<pre><code class=\"language-bash\">apt update\r\n<\/code><\/pre>\n<p>Ti\u1ebfp t\u1ee5c c\u00e0i \u0111\u1eb7t m\u1ed9t \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, v\u00ed d\u1ee5 nh\u01b0 Node.js:<\/p>\n<pre><code class=\"language-bash\">apt install nodejs\r\n<\/code><\/pre>\n<p>Sau khi qu\u00e1 tr\u00ecnh ho\u00e0n t\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra phi\u00ean b\u1ea3n Node.js v\u1eeba \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u0111\u1ec3 x\u00e1c th\u1ef1c:<\/p>\n<pre><code class=\"language-bash\">node -v\r\n<\/code><\/pre>\n<p>H\u1ec7 th\u1ed1ng s\u1ebd tr\u1ea3 v\u1ec1 phi\u00ean b\u1ea3n c\u1ee7a Node.js:<\/p>\n<pre><code>Outputv10.19.0\r\n<\/code><\/pre>\n<p><em>L\u01b0u \u00fd quan tr\u1ecdng: B\u1ea5t k\u1ef3 thay \u0111\u1ed5i c\u1ea5u h\u00ecnh hay c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m n\u00e0o b\u1ea1n th\u1ef1c hi\u1ec7n t\u1ea1i \u0111\u00e2y \u0111\u1ec1u ch\u1ec9 c\u00f3 hi\u1ec7u l\u1ef1c b\u00ean trong container ri\u00eang bi\u1ec7t n\u00e0y.<\/em><\/p>\n<p>\u0110\u1ec3 tho\u00e1t kh\u1ecfi container n\u00e0y v\u00e0 quay l\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a m\u00e1y ch\u1ee7 g\u1ed1c, b\u1ea1n ch\u1ec9 c\u1ea7n g\u00f5:<\/p>\n<pre><code class=\"language-bash\">exit\r\n<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-6-%E2%80%94-Quan-ly-cac-Docker-Container\"><\/span>B\u01b0\u1edbc 6 \u2014 Qu\u1ea3n l\u00fd c\u00e1c Docker Container<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau m\u1ed9t th\u1eddi gian l\u00e0m vi\u1ec7c v\u1edbi Docker, b\u1ea1n s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u container \u1edf tr\u1ea1ng th\u00e1i \u0111ang ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c \u0111\u00e3 d\u1eebng tr\u00ean h\u1ec7 th\u1ed1ng. \u0110\u1ec3 xem c\u00e1c container\u00a0<strong>\u0111ang ch\u1ea1y<\/strong>, h\u00e3y s\u1eed d\u1ee5ng l\u1ec7nh:<\/p>\n<pre><code class=\"language-bash\">docker ps\r\n<\/code><\/pre>\n<p>B\u1ea1n s\u1ebd th\u1ea5y m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb t\u01b0\u01a1ng t\u1ef1:<\/p>\n<pre><code>OutputCONTAINER ID        IMAGE               COMMAND             CREATED\r\n<\/code><\/pre>\n<p>Trong v\u00ed d\u1ee5 tr\u01b0\u1edbc, hai container c\u1ee7a ch\u00fang ta (<code>hello-world<\/code>\u00a0v\u00e0\u00a0<code>ubuntu<\/code>) \u0111\u1ec1u \u0111\u00e3 k\u1ebft th\u00fac ho\u1ea1t \u0111\u1ed9ng sau khi ch\u00fang ta tho\u00e1t ra, v\u00ec th\u1ebf danh s\u00e1ch container \u0111ang ch\u1ea1y s\u1ebd tr\u1ed1ng.<\/p>\n<p>\u0110\u1ec3 hi\u1ec3n th\u1ecb\u00a0<strong>t\u1ea5t c\u1ea3<\/strong>\u00a0c\u00e1c container hi\u1ec7n h\u1eefu tr\u00ean h\u1ec7 th\u1ed1ng (bao g\u1ed3m c\u1ea3 nh\u1eefng container \u0111\u00e3 d\u1eebng), h\u00e3y s\u1eed d\u1ee5ng th\u00eam tham s\u1ed1\u00a0<code>-a<\/code>:<\/p>\n<pre><code class=\"language-bash\">docker ps -a\r\n<\/code><\/pre>\n<p>H\u1ec7 th\u1ed1ng s\u1ebd tr\u1ea3 v\u1ec1 danh s\u00e1ch chi ti\u1ebft:<\/p>\n<pre><code>1c08a7a0d0e4        ubuntu              \"\/bin\/bash\"         2 minutes ago       Exited (0) 8 seconds ago                       quizzical_mcnulty\r\na707221a5f6c        hello-world         \"\/hello\"            6 minutes ago       Exited (0) 6 minutes ago                       youthful_curie\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 xem nhanh container \u0111\u01b0\u1ee3c t\u1ea1o g\u1ea7n \u0111\u00e2y nh\u1ea5t, h\u00e3y s\u1eed d\u1ee5ng tham s\u1ed1\u00a0<code>-l<\/code>:<\/p>\n<pre><code class=\"language-bash\">docker ps -l\r\n<\/code><\/pre>\n<pre><code>CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                      PORTS               NAMES\r\n1c08a7a0d0e4        ubuntu              \"\/bin\/bash\"         2 minutes ago       Exited (0) 40 seconds ago                       quizzical_mcnulty\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u1ed9t container \u0111\u00e3 d\u1eebng tr\u01b0\u1edbc \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng l\u1ec7nh\u00a0<code>docker start<\/code>\u00a0\u0111i k\u00e8m v\u1edbi ID ho\u1eb7c t\u00ean c\u1ee7a container. H\u00e3y th\u1eed kh\u1edfi ch\u1ea1y l\u1ea1i container Ubuntu c\u1ee7a ch\u00fang ta (v\u1edbi ID v\u00ed d\u1ee5 l\u00e0\u00a0<code>1c08a7a0d0e4<\/code>):<\/p>\n<pre><code class=\"language-bash\">docker start 1c08a7a0d0e4\r\n<\/code><\/pre>\n<p>Sau khi kh\u1edfi ch\u1ea1y, b\u1ea1n d\u00f9ng l\u1ec7nh\u00a0<code>docker ps<\/code>\u00a0\u0111\u1ec3 x\u00e1c minh tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng:<\/p>\n<pre><code>OutputCONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES\r\n1c08a7a0d0e4        ubuntu              \"\/bin\/bash\"         3 minutes ago       Up 5 seconds                            quizzical_mcnulty\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 d\u1eebng m\u1ed9t container \u0111ang ch\u1ea1y, h\u00e3y s\u1eed d\u1ee5ng l\u1ec7nh\u00a0<code>docker stop<\/code>. L\u1ea7n n\u00e0y ch\u00fang ta s\u1ebd d\u00f9ng t\u00ean g\u1ecdi ng\u1eabu nhi\u00ean \u0111\u01b0\u1ee3c Docker t\u1ef1 \u0111\u1ed9ng g\u00e1n cho container (trong v\u00ed d\u1ee5 n\u00e0y l\u00e0\u00a0<code>quizzical_mcnulty<\/code>):<\/p>\n<pre><code class=\"language-bash\">docker stop quizzical_mcnulty\r\n<\/code><\/pre>\n<p>Khi b\u1ea1n ch\u1eafc ch\u1eafn kh\u00f4ng c\u00f2n nhu c\u1ea7u s\u1eed d\u1ee5ng m\u1ed9t container n\u00e0o \u0111\u00f3 n\u1eefa, h\u00e3y gi\u1ea3i ph\u00f3ng t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch x\u00f3a b\u1ecf n\u00f3 qua c\u00e2u l\u1ec7nh\u00a0<code>docker rm<\/code>:<\/p>\n<pre><code class=\"language-bash\">docker rm youthful_curie\r\n<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-7-%E2%80%94-Luu-thay-doi-tu-Container-thanh-Docker-Image\"><\/span>B\u01b0\u1edbc 7 \u2014 L\u01b0u thay \u0111\u1ed5i t\u1eeb Container th\u00e0nh Docker Image<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi b\u1ea1n kh\u1edfi ch\u1ea1y m\u1ed9t image, m\u1ecdi thao t\u00e1c t\u1ea1o m\u1edbi, s\u1eeda \u0111\u1ed5i ho\u1eb7c x\u00f3a t\u1ec7p tin ch\u1ec9 \u1ea3nh h\u01b0\u1edfng t\u1edbi container \u0111\u00f3. N\u1ebfu b\u1ea1n x\u00f3a b\u1ecf container b\u1eb1ng l\u1ec7nh\u00a0<code>docker rm<\/code>, to\u00e0n b\u1ed9 c\u00e1c d\u1eef li\u1ec7u thay \u0111\u1ed5i n\u00e0y s\u1ebd b\u1ecb m\u1ea5t v\u0129nh vi\u1ec5n.<\/p>\n<p>Ph\u1ea7n n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch l\u01b0u l\u1ea1i to\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a m\u1ed9t container \u0111\u1ec3 \u0111\u00f3ng g\u00f3i th\u00e0nh m\u1ed9t Docker image m\u1edbi c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/p>\n<p>Sau khi \u0111\u00e3 c\u00e0i \u0111\u1eb7t Node.js v\u00e0o container Ubuntu \u1edf B\u01b0\u1edbc 5, container n\u00e0y \u0111\u00e3 kh\u00e1c bi\u1ec7t so v\u1edbi image g\u1ed1c \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng t\u1eeb Docker Hub. \u0110\u1ec3 l\u01b0u gi\u1eef tr\u1ea1ng th\u00e1i n\u00e0y \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m n\u1ec1n t\u1ea3ng cho c\u00e1c d\u1ef1 \u00e1n sau n\u00e0y, b\u1ea1n h\u00e3y th\u1ef1c thi l\u1ec7nh\u00a0<em>commit<\/em>\u00a0v\u1edbi c\u00fa ph\u00e1p sau:<\/p>\n<pre><code class=\"language-bash\">docker commit -m \"N\u1ed9i dung m\u00f4 t\u1ea3 thay \u0111\u1ed5i\" -a \"T\u00ean T\u00e1c Gi\u1ea3\" container_id username\/ten_image_moi\r\n<\/code><\/pre>\n<ul>\n<li>Tham s\u1ed1\u00a0<strong>-m<\/strong>\u00a0d\u00f9ng \u0111\u1ec3 ghi l\u1ea1i th\u00f4ng \u0111i\u1ec7p m\u00f4 t\u1ea3 nh\u1eefng c\u1ea3i ti\u1ebfn b\u1ea1n \u0111\u00e3 th\u1ef1c hi\u1ec7n.<\/li>\n<li>Tham s\u1ed1\u00a0<strong>-a<\/strong>\u00a0d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh th\u00f4ng tin ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n.<\/li>\n<li>\u0110\u1ed1i s\u1ed1\u00a0<code>container_id<\/code>\u00a0l\u00e0 m\u00e3 ID b\u1ea1n \u0111\u00e3 ghi nh\u1eadn khi ho\u1ea1t \u0111\u1ed9ng trong container.<\/li>\n<li>Ph\u1ea7n\u00a0<code>username<\/code>\u00a0th\u01b0\u1eddng tr\u00f9ng kh\u1edbp v\u1edbi t\u00ean t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n tr\u00ean h\u1ec7 th\u1ed1ng Docker Hub.<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng\u00a0<strong>interdata-user<\/strong>\u00a0v\u00e0 container c\u00f3 ID l\u00e0\u00a0<code>d9b100f2f636<\/code>, l\u1ec7nh th\u1ef1c thi s\u1ebd l\u00e0:<\/p>\n<pre><code class=\"language-bash\">docker commit -m \"added Node.js\" -a \"interdata-user\" d9b100f2f636 interdata-user\/ubuntu-nodejs\r\n<\/code><\/pre>\n<p>Sau khi th\u1ef1c hi\u1ec7n l\u01b0u (<em>commit<\/em>), b\u1ea3n sao c\u1ee7a image m\u1edbi s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u c\u1ee5c b\u1ed9 tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n.<\/p>\n<p>Ki\u1ec3m tra l\u1ea1i danh s\u00e1ch c\u00e1c image hi\u1ec7n c\u00f3 tr\u00ean m\u00e1y \u0111\u1ec3 th\u1ea5y s\u1ef1 thay \u0111\u1ed5i:<\/p>\n<pre><code class=\"language-bash\">docker images\r\n<\/code><\/pre>\n<p>K\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1:<\/p>\n<pre><code>OutputREPOSITORY                     TAG                 IMAGE ID            CREATED             SIZE\r\ninterdata-user\/ubuntu-nodejs   latest              7c1f35226ca6        7 seconds ago       179MB\r\n...\r\n<\/code><\/pre>\n<p>Trong v\u00ed d\u1ee5 n\u00e0y,\u00a0<code>ubuntu-nodejs<\/code>\u00a0l\u00e0 image m\u1edbi \u0111\u01b0\u1ee3c k\u1ebf th\u1eeba t\u1eeb image\u00a0<code>ubuntu<\/code>\u00a0g\u1ed1c. Dung l\u01b0\u1ee3ng t\u0103ng th\u00eam ph\u1ea3n \u00e1nh k\u00edch th\u01b0\u1edbc c\u1ee7a \u1ee9ng d\u1ee5ng Node.js \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t th\u00e0nh c\u00f4ng. T\u1eeb gi\u1edd tr\u1edf \u0111i, b\u1ea5t c\u1ee9 khi n\u00e0o c\u1ea7n m\u1ed9t m\u00f4i tr\u01b0\u1eddng Ubuntu c\u00f3 s\u1eb5n Node.js, b\u1ea1n ch\u1ec9 c\u1ea7n kh\u1edfi ch\u1ea1y tr\u1ef1c ti\u1ebfp t\u1eeb image n\u00e0y.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-8-%E2%80%94-Day-Push-Docker-Image-len-Docker-Hub\"><\/span>B\u01b0\u1edbc 8 \u2014 \u0110\u1ea9y (Push) Docker Image l\u00ean Docker Hub<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 chia s\u1ebb s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n c\u1ee7a b\u1ea1n cho c\u1ed9ng \u0111\u1ed3ng, \u0111\u1ed3ng nghi\u1ec7p ho\u1eb7c ph\u00e2n ph\u1ed1i sang c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea9y image c\u1ee7a m\u00ecnh l\u00ean m\u1ed9t Docker registry nh\u01b0 Docker Hub.<\/p>\n<p>Tr\u01b0\u1edbc ti\u00ean, h\u00e3y \u0111\u0103ng nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng Docker Hub ngay tr\u00ean giao di\u1ec7n d\u00f2ng l\u1ec7nh c\u1ee7a m\u00e1y ch\u1ee7:<\/p>\n<pre><code class=\"language-bash\">docker login -u docker-registry-username\r\n<\/code><\/pre>\n<p>H\u1ec7 th\u1ed1ng s\u1ebd y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp m\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n Docker Hub \u0111\u1ec3 ho\u00e0n t\u1ea5t x\u00e1c th\u1ef1c.<\/p>\n<p><em>L\u01b0u \u00fd: N\u1ebfu t\u00ean ng\u01b0\u1eddi d\u00f9ng c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea1n kh\u00e1c v\u1edbi t\u00ean t\u00e0i kho\u1ea3n tr\u00ean Docker Hub, b\u1ea1n c\u1ea7n g\u00e1n l\u1ea1i nh\u00e3n (tag) cho image c\u1ee7a m\u00ecnh kh\u1edbp v\u1edbi t\u00ean \u0111\u0103ng nh\u1eadp th\u1ef1c t\u1ebf:<\/em><\/p>\n<pre><code class=\"language-bash\">docker tag interdata-user\/ubuntu-nodejs docker-registry-username\/ubuntu-nodejs\r\n<\/code><\/pre>\n<p>Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh \u0111\u1ea9y image l\u00ean kho l\u01b0u tr\u1eef b\u1eb1ng c\u00e2u l\u1ec7nh:<\/p>\n<pre><code class=\"language-bash\">docker push docker-registry-username\/ubuntu-nodejs\r\n<\/code><\/pre>\n<p>V\u00ed d\u1ee5, \u0111\u1ec3 \u0111\u1ea9y image l\u00ean t\u00e0i kho\u1ea3n\u00a0<strong>interdata-user<\/strong>, b\u1ea1n th\u1ef1c thi:<\/p>\n<pre><code class=\"language-bash\">docker push interdata-user\/ubuntu-nodejs\r\n<\/code><\/pre>\n<p>Qu\u00e1 tr\u00ecnh t\u1ea3i d\u1eef li\u1ec7u l\u00ean m\u1ea1ng Internet c\u00f3 th\u1ec3 m\u1ea5t m\u1ed9t v\u00e0i ph\u00fat t\u00f9y thu\u1ed9c v\u00e0o dung l\u01b0\u1ee3ng t\u1ec7p tin v\u00e0 b\u0103ng th\u00f4ng k\u1ebft n\u1ed1i c\u1ee7a m\u00e1y ch\u1ee7:<\/p>\n<pre><code>OutputThe push refers to a repository [docker.io\/interdata-user\/ubuntu-nodejs]\r\ne3fbbfb44187: Pushed\r\n5f70bf18a086: Pushed\r\na3b5c80a4eba: Pushed\r\n7f18b442972b: Pushed\r\n3ce512daaf78: Pushed\r\n7aae4540b42d: Pushed\r\n...\r\n<\/code><\/pre>\n<p>Sau khi ho\u00e0n t\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u0103ng nh\u1eadp v\u00e0o trang qu\u1ea3n tr\u1ecb c\u1ee7a Docker Hub tr\u00ean tr\u00ecnh duy\u1ec7t \u0111\u1ec3 ki\u1ec3m tra s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh \u0111\u00e3 xu\u1ea5t hi\u1ec7n tr\u00ean trang Dashboard c\u00e1 nh\u00e2n.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-Docker-va-Docker-Compose\"><\/span>So s\u00e1nh Docker v\u00e0 Docker Compose<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Docker l\u00e0 c\u00f4ng c\u1ee5 c\u01a1 b\u1ea3n \u0111\u1ec3 kh\u1edfi ch\u1ea1y v\u00e0 \u0111i\u1ec1u ph\u1ed1i c\u00e1c container \u0111\u01a1n l\u1ebb. Tuy nhi\u00ean, khi h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n ph\u00e1t tri\u1ec3n ph\u1ee9c t\u1ea1p h\u01a1n v\u1edbi m\u00f4 h\u00ecnh \u0111a d\u1ecbch v\u1ee5 (v\u00ed d\u1ee5: c\u1ea7n ch\u1ea1y song song Web Server, Database, v\u00e0 Redis Cache), vi\u1ec7c thi\u1ebft l\u1eadp th\u1ee7 c\u00f4ng t\u1eebng container b\u1eb1ng Docker CLI s\u1ebd tr\u1edf n\u00ean r\u1ea5t ph\u1ee9c t\u1ea1p. \u0110\u00f3 l\u00e0 l\u00fac ch\u00fang ta c\u1ea7n \u0111\u1ebfn\u00a0<strong>Docker Compose<\/strong>.<\/p>\n<p><strong>Docker Compose<\/strong>\u00a0cho ph\u00e9p b\u1ea1n \u0111\u1ecbnh ngh\u0129a c\u1ea5u h\u00ecnh c\u1ee7a m\u1ed9t c\u1ee5m nhi\u1ec1u container c\u00f3 m\u1ed1i li\u00ean h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi nhau ch\u1ec9 trong m\u1ed9t t\u1ec7p c\u1ea5u h\u00ecnh duy nh\u1ea5t vi\u1ebft b\u1eb1ng \u0111\u1ecbnh d\u1ea1ng YAML (th\u01b0\u1eddng \u0111\u1eb7t t\u00ean l\u00e0\u00a0<code>docker-compose.yml<\/code>).<\/p>\n<p>Thay v\u00ec ch\u1ea1y h\u00e0ng lo\u1ea1t c\u00e2u l\u1ec7nh d\u00e0i d\u00f2ng, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t c\u00e2u l\u1ec7nh duy nh\u1ea5t \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng:<\/p>\n<pre><code class=\"language-bash\">docker compose up\r\n<\/code><\/pre>\n<p><em>(L\u01b0u \u00fd: V\u1edbi c\u00e1c phi\u00ean b\u1ea3n Docker \u0111\u1eddi m\u1edbi, b\u1ea1n n\u00ean vi\u1ebft l\u1ec7nh d\u1ea1ng\u00a0<code>docker compose<\/code>\u00a0thay v\u00ec d\u1ea1ng c\u00f3 d\u1ea5u g\u1ea1ch ngang c\u0169\u00a0<code>docker-compose<\/code>\u00a0\u0111\u1ec3 t\u1eadn d\u1ee5ng hi\u1ec7u n\u0103ng v\u00e0 c\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u nh\u1ea5t).<\/em><\/p>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed so s\u00e1nh<\/th>\n<th>Docker CLI<\/th>\n<th>Docker Compose<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ph\u1ea1m vi t\u00e1c \u0111\u1ed9ng<\/strong><\/td>\n<td>Thao t\u00e1c tr\u00ean t\u1eebng container ri\u00eang l\u1ebb<\/td>\n<td>\u0110i\u1ec1u ph\u1ed1i to\u00e0n b\u1ed9 c\u1ee5m \u0111a container<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u01b0\u01a1ng th\u1ee9c c\u1ea5u h\u00ecnh<\/strong><\/td>\n<td>Th\u1ef1c thi tr\u1ef1c ti\u1ebfp b\u1eb1ng c\u00e1c c\u00e2u l\u1ec7nh d\u00f2ng l\u1ec7nh (CLI)<\/td>\n<td>Khai b\u00e1o qua t\u1ec7p c\u1ea5u h\u00ecnh YAML (<code>docker-compose.yml<\/code>)<\/td>\n<\/tr>\n<tr>\n<td><strong>Qu\u1ea3n l\u00fd li\u00ean k\u1ebft<\/strong><\/td>\n<td>Ph\u1ea3i c\u1ea5u h\u00ecnh li\u00ean k\u1ebft m\u1ea1ng th\u1ee7 c\u00f4ng<\/td>\n<td>T\u1ef1 \u0111\u1ed9ng thi\u1ebft l\u1eadp c\u1ea5u h\u00ecnh v\u00e0 li\u00ean k\u1ebft c\u00e1c d\u1ecbch v\u1ee5<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u00f4i tr\u01b0\u1eddng ph\u00f9 h\u1ee3p<\/strong><\/td>\n<td>Th\u1eed nghi\u1ec7m, ch\u1ea1y c\u00e1c ti\u1ec7n \u00edch \u0111\u01a1n l\u1ebb<\/td>\n<td>Ph\u00e1t tri\u1ec3n c\u1ee5c b\u1ed9, staging v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 li\u00ean k\u1ebft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Khac-phuc-mot-so-loi-thuong-gap-khi-cai-dat-Docker\"><\/span>Kh\u1eafc ph\u1ee5c m\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi c\u00e0i \u0111\u1eb7t Docker<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Loi-docker-command-not-found\"><\/span>L\u1ed7i:\u00a0<code>docker: command not found<\/code><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Nguy\u00ean nh\u00e2n<\/strong>: C\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh Docker ch\u01b0a \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o bi\u1ebfn m\u00f4i tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng ho\u1eb7c ch\u01b0a \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t th\u00e0nh c\u00f4ng.<\/li>\n<li><strong>C\u00e1ch x\u1eed l\u00fd<\/strong>: Th\u1ef1c hi\u1ec7n c\u00e0i \u0111\u1eb7t l\u1ea1i b\u1eb1ng l\u1ec7nh:<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">sudo apt install docker-ce docker-ce-cli containerd.io\r\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Loi-Cannot-connect-to-the-Docker-daemon\"><\/span>L\u1ed7i:\u00a0<code>Cannot connect to the Docker daemon<\/code><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Nguy\u00ean nh\u00e2n<\/strong>: D\u1ecbch v\u1ee5 Docker ch\u1ea1y ng\u1ea7m ch\u01b0a kh\u1edfi \u0111\u1ed9ng, ho\u1eb7c t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng c\u1ee7a b\u1ea1n ch\u01b0a \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n truy c\u1eadp (ch\u01b0a thu\u1ed9c nh\u00f3m\u00a0<code>docker<\/code>).<\/li>\n<li><strong>C\u00e1ch x\u1eed l\u00fd<\/strong>: Kh\u1edfi ch\u1ea1y l\u1ea1i d\u1ecbch v\u1ee5 v\u00e0 g\u00e1n quy\u1ec1n nh\u00f3m cho t\u00e0i kho\u1ea3n:<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">sudo systemctl start docker\r\nsudo usermod -aG docker $USER\r\n<\/code><\/pre>\n<p>Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh \u0111\u0103ng xu\u1ea5t v\u00e0 \u0111\u0103ng nh\u1eadp l\u1ea1i h\u1ec7 th\u1ed1ng \u0111\u1ec3 c\u1eadp nh\u1eadt quy\u1ec1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Loi-lien-quan-den-Khoa-GPG-hoac-loi-cap-nhat-Repository\"><\/span>L\u1ed7i li\u00ean quan \u0111\u1ebfn Kh\u00f3a GPG ho\u1eb7c l\u1ed7i c\u1eadp nh\u1eadt Repository<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Nguy\u00ean nh\u00e2n<\/strong>: C\u00f3 th\u1ec3 do c\u1ea5u h\u00ecnh m\u1ea1ng m\u00e1y ch\u1ee7 ch\u1eb7n k\u1ebft n\u1ed1i ho\u1eb7c kh\u00f3a c\u0169 \u0111\u00e3 l\u1ed7i th\u1eddi.<\/li>\n<li><strong>C\u00e1ch x\u1eed l\u00fd<\/strong>: X\u00e1c th\u1ef1c l\u1ea1i c\u00e1c b\u01b0\u1edbc t\u1ea1o th\u01b0 m\u1ee5c v\u00e0 g\u00e1n quy\u1ec1n trong c\u1ea5u h\u00ecnh\u00a0<code>\/etc\/apt\/keyrings<\/code>\u00a0\u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf B\u01b0\u1edbc 1.<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Su-dung-Docker-Desktop-tren-Ubuntu\"><\/span>S\u1eed d\u1ee5ng Docker Desktop tr\u00ean Ubuntu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Docker Desktop hi\u1ec7n \u0111\u00e3 h\u1ed7 tr\u1ee3 c\u00e0i \u0111\u1eb7t tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux (phi\u00ean b\u1ea3n Ubuntu). C\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p giao di\u1ec7n \u0111\u1ed3 h\u1ecda (GUI) tr\u1ef1c quan gi\u00fap qu\u1ea3n l\u00fd nhanh container, t\u00e0i nguy\u00ean \u1ed5 \u0111\u0129a, m\u1ea1ng c\u0169ng nh\u01b0 t\u00edch h\u1ee3p s\u1eb5n c\u1ee5m ph\u00e1t tri\u1ec3n Kubernetes thu nh\u1ecf.<\/p>\n<p>\u0110\u1ec3 c\u00e0i \u0111\u1eb7t g\u00f3i Docker Desktop tr\u00ean m\u00f4i tr\u01b0\u1eddng \u0111\u1ed3 h\u1ecda c\u1ee7a Ubuntu, b\u1ea1n t\u1ea3i t\u1ec7p\u00a0<code>.deb<\/code>\u00a0ch\u00ednh th\u1ee9c v\u00e0 ch\u1ea1y:<\/p>\n<pre><code class=\"language-bash\">sudo apt install .\/docker-desktop-&lt;version&gt;-&lt;arch&gt;.deb\r\n<\/code><\/pre>\n<p><em>Khuy\u1ebfn c\u00e1o: Docker Desktop ch\u1ec9 th\u1ef1c s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u00e1y tr\u1ea1m c\u00e1 nh\u00e2n ph\u1ee5c v\u1ee5 l\u1eadp tr\u00ecnh vi\u00ean thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m. \u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf (Production), b\u1ea1n n\u00ean \u01b0u ti\u00ean c\u00e0i \u0111\u1eb7t b\u1ea3n Docker Engine Community Edition (Docker CE) t\u1ed1i gi\u1ea3n th\u00f4ng qua c\u00e1c d\u00f2ng l\u1ec7nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean ph\u1ea7n c\u1ee9ng t\u1ed1t nh\u1ea5t.<\/em><\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Cai-dat-Docker-thong-qua-tep-Dockerfile\"><\/span>C\u00e0i \u0111\u1eb7t Docker th\u00f4ng qua t\u1ec7p Dockerfile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n t\u1ea1o d\u1ef1ng nhanh m\u1ed9t m\u00f4i tr\u01b0\u1eddng c\u00f3 s\u1eb5n Docker ph\u1ee5c v\u1ee5 t\u1ef1 \u0111\u1ed9ng h\u00f3a, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o t\u1ec7p c\u1ea5u h\u00ecnh m\u1eabu\u00a0<code>Dockerfile<\/code>\u00a0d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<pre><code class=\"language-dockerfile\">FROM ubuntu:20.04\r\n\r\nRUN apt-get update &amp;&amp; \\\r\n    apt-get install -y ca-certificates curl gnupg &amp;&amp; \\\r\n    install -m 0755 -d \/etc\/apt\/keyrings &amp;&amp; \\\r\n    curl -fsSL https:\/\/download.docker.com\/linux\/ubuntu\/gpg | gpg --dearmor -o \/etc\/apt\/keyrings\/docker.gpg &amp;&amp; \\\r\n    chmod a+r \/etc\/apt\/keyrings\/docker.gpg &amp;&amp; \\\r\n    echo \\\r\n      \"deb [arch=$(dpkg --print-architecture) signed-by=\/etc\/apt\/keyrings\/docker.gpg] https:\/\/download.docker.com\/linux\/ubuntu \\\r\n      $(. \/etc\/os-release &amp;&amp; echo \"$VERSION_CODENAME\") stable\" | \\\r\n      tee \/etc\/apt\/sources.list.d\/docker.list &gt; \/dev\/null &amp;&amp; \\\r\n    apt-get update &amp;&amp; \\\r\n    apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin\r\n<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Cach-go-cai-dat-hoan-toan-Docker-khoi-Ubuntu\"><\/span>C\u00e1ch g\u1ee1 c\u00e0i \u0111\u1eb7t ho\u00e0n to\u00e0n Docker kh\u1ecfi Ubuntu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi c\u1ea7n d\u1ecdn d\u1eb9p h\u1ec7 th\u1ed1ng ho\u1eb7c c\u00e0i \u0111\u1eb7t l\u1ea1i t\u1eeb \u0111\u1ea7u, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n g\u1ee1 c\u00e0i \u0111\u1eb7t tri\u1ec7t \u0111\u1ec3 c\u00e1c g\u00f3i v\u00e0 t\u1ec7p d\u1eef li\u1ec7u c\u1ee7a Docker theo c\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<pre><code class=\"language-bash\">sudo apt purge docker-ce docker-ce-cli containerd.io\r\nsudo rm -rf \/var\/lib\/docker\r\nsudo rm -rf \/var\/lib\/containerd\r\n<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Cau-hoi-thuong-gap-FAQs\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1-Cach-cai-dat-Docker-tot-nhat-tren-Ubuntu-la-gi\"><\/span>1. C\u00e1ch c\u00e0i \u0111\u1eb7t Docker t\u1ed1t nh\u1ea5t tr\u00ean Ubuntu l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>S\u1eed d\u1ee5ng kho l\u01b0u tr\u1eef ch\u00ednh th\u1ee9c c\u1ee7a Docker l\u00e0 ph\u01b0\u01a1ng \u00e1n t\u1ed1i \u01b0u nh\u1ea5t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh cao, nh\u1eadn c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt tr\u1ef1c ti\u1ebfp t\u1eeb nh\u00e0 ph\u00e1t h\u00e0nh v\u00e0 t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi c\u00e1c phi\u00ean b\u1ea3n Ubuntu d\u00e0i h\u1ea1n (LTS).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Co-bat-buoc-dung-lenh-sudo-de-van-hanh-Docker\"><\/span>2. C\u00f3 b\u1eaft bu\u1ed9c d\u00f9ng l\u1ec7nh\u00a0<code>sudo<\/code>\u00a0\u0111\u1ec3 v\u1eadn h\u00e0nh Docker?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt c\u1ed1t l\u00f5i, Docker y\u00eau c\u1ea7u quy\u1ec1n root \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c tr\u1ef1c ti\u1ebfp v\u1edbi nh\u00e2n h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Tuy nhi\u00ean, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh t\u00e0i kho\u1ea3n c\u00e1 nh\u00e2n c\u1ee7a m\u00ecnh tham gia v\u00e0o nh\u00f3m ng\u01b0\u1eddi d\u00f9ng\u00a0<code>docker<\/code>\u00a0\u0111\u1ec3 l\u01b0\u1ee3c b\u1ecf y\u00eau c\u1ea7u nh\u1eadp\u00a0<code>sudo<\/code>\u00a0khi v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Lam-cach-nao-de-xac-thuc-Docker-dang-chay-on-dinh\"><\/span>3. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 x\u00e1c th\u1ef1c Docker \u0111ang ch\u1ea1y \u1ed5n \u0111\u1ecbnh?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e2u l\u1ec7nh hi\u1ec3n th\u1ecb t\u1ed5ng th\u1ec3 h\u1ec7 th\u1ed1ng\u00a0<code>docker info<\/code>\u00a0\u0111\u1ec3 ki\u1ec3m tra th\u00f4ng s\u1ed1 chi ti\u1ebft c\u1ee7a d\u1ecbch v\u1ee5 ho\u1eb7c ch\u1ea1y tr\u1ef1c ti\u1ebfp l\u1ec7nh ch\u1ea1y th\u1eed nghi\u1ec7m nhanh\u00a0<code>docker run hello-world<\/code>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Toi-co-the-cai-dat-chinh-xac-mot-phien-ban-Docker-mong-muon-khong\"><\/span>4. T\u00f4i c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t ch\u00ednh x\u00e1c m\u1ed9t phi\u00ean b\u1ea3n Docker mong mu\u1ed1n kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ho\u00e0n to\u00e0n c\u00f3 th\u1ec3. H\u00e3y li\u1ec7t k\u00ea danh s\u00e1ch c\u00e1c phi\u00ean b\u1ea3n c\u00f3 s\u1eb5n trong h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef b\u1eb1ng c\u00e2u l\u1ec7nh:<\/p>\n<pre><code class=\"language-bash\">apt-cache madison docker-ce\r\n<\/code><\/pre>\n<p>Sau \u0111\u00f3 l\u1ef1a ch\u1ecdn \u0111\u00fang phi\u00ean b\u1ea3n b\u1ea1n c\u1ea7n v\u00e0 ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t b\u1eb1ng c\u00fa ph\u00e1p:<\/p>\n<pre><code class=\"language-bash\">sudo apt install docker-ce=&lt;M\u00c3_PHI\u00caN_B\u1ea2N&gt;\r\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"5-Su-khac-biet-mau-chot-giua-Docker-va-Docker-Compose-la-gi\"><\/span>5. S\u1ef1 kh\u00e1c bi\u1ec7t m\u1ea5u ch\u1ed1t gi\u1eefa Docker v\u00e0 Docker Compose l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Docker ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd tr\u1ef1c ti\u1ebfp v\u00f2ng \u0111\u1eddi c\u1ee7a t\u1eebng container \u0111\u01a1n l\u1ebb. Trong khi \u0111\u00f3, Docker Compose \u0111\u00f3ng vai tr\u00f2 l\u00e0 ki\u1ebfn tr\u00fac s\u01b0 gi\u00fap thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 v\u00e0 v\u1eadn h\u00e0nh \u0111\u1ed3ng b\u1ed9 m\u1ed9t nh\u00f3m nhi\u1ec1u d\u1ecbch v\u1ee5 container c\u00f3 m\u1ed1i li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u1ec7p c\u1ea5u h\u00ecnh khai b\u00e1o YAML.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6-Lam-cach-nao-de-xoa-Docker-khoi-he-thong-cua-minh\"><\/span>6. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 x\u00f3a Docker kh\u1ecfi h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 g\u1ee1 c\u00e0i \u0111\u1eb7t ho\u00e0n to\u00e0n Docker kh\u1ecfi h\u1ec7 th\u1ed1ng Ubuntu c\u1ee7a b\u1ea1n, b\u1ea1n c\u1ea7n x\u00f3a c\u00e1c g\u00f3i Docker v\u00e0 x\u00f3a m\u1ecdi d\u1eef li\u1ec7u li\u00ean quan. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ch\u1ea1y:<\/p>\n<pre><code>sudo apt purge docker-ce docker-ce-cli containerd.io\r\n<\/code><\/pre>\n<p>\u0110\u1ec3 d\u1ecdn d\u1eb9p tri\u1ec7t \u0111\u1ec3, h\u00e3y x\u00f3a c\u00e1c th\u01b0 m\u1ee5c d\u1eef li\u1ec7u c\u1ee7a Docker b\u1eb1ng:<\/p>\n<pre><code>sudo rm -rf \/var\/lib\/docker\r\nsudo rm -rf \/var\/lib\/containerd\r\n<\/code><\/pre>\n<p>C\u00e1c th\u01b0 m\u1ee5c n\u00e0y l\u01b0u tr\u1eef image, container, kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 d\u1eef li\u1ec7u li\u00ean t\u1ee5c kh\u00e1c. Sau c\u00e1c b\u01b0\u1edbc n\u00e0y, Docker v\u00e0 t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u c\u1ee7a n\u00f3 s\u1ebd b\u1ecb x\u00f3a kh\u1ecfi h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7-Docker-Desktop-co-san-cho-Ubuntu-va-toi-co-nen-su-dung-no-khong\"><\/span>7. Docker Desktop c\u00f3 s\u1eb5n cho Ubuntu v\u00e0 t\u00f4i c\u00f3 n\u00ean s\u1eed d\u1ee5ng n\u00f3 kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3, Docker Desktop hi\u1ec7n c\u00f3 s\u1eb5n \u1edf d\u1ea1ng beta cho c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i Linux, bao g\u1ed3m c\u1ea3 Ubuntu. Docker Desktop cung c\u1ea5p giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ed3 h\u1ecda (GUI) \u0111\u1ec3 qu\u1ea3n l\u00fd container, image, kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 m\u1ea1ng, gi\u00fap ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u00edch l\u00e0m vi\u1ec7c \u0111\u1ed9c quy\u1ec1n v\u1edbi d\u00f2ng l\u1ec7nh d\u1ec5 d\u00e0ng h\u01a1n. N\u00f3 c\u0169ng \u0111i k\u00e8m v\u1edbi Docker Engine v\u00e0 cung c\u1ea5p h\u1ed7 tr\u1ee3 Kubernetes t\u00edch h\u1ee3p.<\/p>\n<p>Tuy nhi\u00ean, Docker Desktop ch\u1ee7 y\u1ebfu d\u00e0nh cho m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u00ean d\u00f9ng cho m\u00e1y ch\u1ee7 s\u1ea3n xu\u1ea5t (production). \u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7, t\u1ed1t h\u01a1n l\u00e0 s\u1eed d\u1ee5ng Docker Engine Community Edition (CE) qua d\u00f2ng l\u1ec7nh.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Loi-ket\"><\/span>L\u1eddi k\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c l\u00e0m ch\u1ee7 c\u00f4ng ngh\u1ec7 Docker gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a th\u1eddi gian tri\u1ec3n khai \u1ee9ng d\u1ee5ng, \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t gi\u1eefa m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 th\u1ef1c t\u1ebf.<\/p>\n<div class=\"info-box\">\u0110\u1ec3 c\u00e1c \u1ee9ng d\u1ee5ng Docker c\u1ee7a b\u1ea1n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng b\u1ec1n b\u1ec9, m\u01b0\u1ee3t m\u00e0 v\u00e0 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a s\u1ee9c m\u1ea1nh ph\u1ea7n c\u1ee9ng, vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t h\u1ea1 t\u1ea7ng m\u00e1y ch\u1ee7 \u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 c\u1ef1c k\u1ef3 c\u1ea7n thi\u1ebft. H\u00e3y tham kh\u1ea3o ngay d\u1ecbch v\u1ee5\u00a0<strong><a href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">thu\u00ea VPS gi\u00e1 r\u1ebb, ch\u1ea5t l\u01b0\u1ee3ng cao t\u1ea1i InterData<\/a><\/strong>. C\u00e1c g\u00f3i VPS c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1i \u01b0u, trang b\u1ecb \u1ed5 c\u1ee9ng SSD si\u00eau t\u1ed1c, b\u0103ng th\u00f4ng l\u1edbn c\u00f9ng kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean linh ho\u1ea1t, t\u1ef1 tin \u0111\u1ed3ng h\u00e0nh c\u00f9ng m\u1ecdi d\u1ef1 \u00e1n c\u00f4ng ngh\u1ec7 c\u1ee7a b\u1ea1n.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Docker\u00a0l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh qu\u1ea3n l\u00fd c\u00e1c ti\u1ebfn tr\u00ecnh c\u1ee7a \u1ee9ng d\u1ee5ng b\u00ean trong c\u00e1c container. Container cho ph\u00e9p b\u1ea1n ch\u1ea1y c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh trong c\u00e1c ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp v\u1ec1 t\u00e0i nguy\u00ean. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u00e1y \u1ea3o (virtual machines), nh\u01b0ng container<\/p>\n","protected":false},"author":2,"featured_media":41474,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[161],"tags":[],"class_list":["post-41469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huong-dan-chung"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=41469"}],"version-history":[{"count":7,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41469\/revisions"}],"predecessor-version":[{"id":41477,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41469\/revisions\/41477"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/41474"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=41469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=41469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=41469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}