{"id":33729,"date":"2025-09-30T11:06:34","date_gmt":"2025-09-30T04:06:34","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=33729"},"modified":"2025-09-30T11:07:21","modified_gmt":"2025-09-30T04:07:21","slug":"quan-ly-dich-vu-vps-voi-systemctl","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/","title":{"rendered":"systemctl l\u00e0 g\u00ec? C\u00e1ch qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 VPS v\u1edbi systemctl chi ti\u1ebft"},"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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#systemctl-la-gi\" >systemctl l\u00e0 g\u00ec?<\/a><\/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\/quan-ly-dich-vu-vps-voi-systemctl\/#Cac-lenh-systemctl-co-ban-de-quan-ly-dich-vu\" >C\u00e1c l\u1ec7nh systemctl c\u01a1 b\u1ea3n \u0111\u1ec3 qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Kiem-tra-trang-thai-dich-vu-systemctl-status-service-name\" >Ki\u1ec3m tra tr\u1ea1ng th\u00e1i d\u1ecbch v\u1ee5 (systemctl status service_name)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Dung-dich-vu-systemctl-stop-service-name\" >D\u1eebng d\u1ecbch v\u1ee5 (systemctl stop service_name)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Khoi-dong-lai-dich-vu-systemctl-restart-service-name\" >Kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 (systemctl restart service_name)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Tai-lai-cau-hinh-dich-vu-systemctl-reload-service-name\" >T\u1ea3i l\u1ea1i c\u1ea5u h\u00ecnh d\u1ecbch v\u1ee5 (systemctl reload service_name)<\/a><\/li><\/ul><\/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\/quan-ly-dich-vu-vps-voi-systemctl\/#Quan-ly-dich-vu-khi-khoi-dong-he-thong\" >Qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 khi kh\u1edfi \u0111\u1ed9ng h\u1ec7 th\u1ed1ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Bat-tu-dong-khoi-dong-systemctl-enable-service-name\" >B\u1eadt t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng (systemctl enable service_name)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Tat-tu-dong-khoi-dong-systemctl-disable-service-name\" >T\u1eaft t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng (systemctl disable service_name)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Kiem-tra-trang-thai-tu-khoi-dong-systemctl-is-enabled-service-name\" >Ki\u1ec3m tra tr\u1ea1ng th\u00e1i t\u1ef1 kh\u1edfi \u0111\u1ed9ng (systemctl is-enabled service_name)<\/a><\/li><\/ul><\/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\/quan-ly-dich-vu-vps-voi-systemctl\/#Kiem-soat-toan-bo-dich-vu-tren-VPS\" >Ki\u1ec3m so\u00e1t to\u00e0n b\u1ed9 d\u1ecbch v\u1ee5 tr\u00ean VPS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Liet-ke-cac-dich-vu-dang-chay-systemctl-list-units-%E2%80%93typeservice\" >Li\u1ec7t k\u00ea c\u00e1c d\u1ecbch v\u1ee5 \u0111ang ch\u1ea1y (systemctl list-units &#8211;type=service)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Liet-ke-tat-ca-cac-tep-unit-systemctl-list-unit-files\" >Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p unit (systemctl list-unit-files)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Mot-so-loi-thuong-gap-khi-dung-systemctl-va-cach-khac-phuc\" >M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi d\u00f9ng systemctl v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Loi-Unit-not-found\" >L\u1ed7i: Unit not found<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Loi-Permission-denied\" >L\u1ed7i: Permission denied<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/#Loi-Failed-to-start-service\" >L\u1ed7i: Failed to start service<\/a><\/li><\/ul><\/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\/quan-ly-dich-vu-vps-voi-systemctl\/#Loi-ket\" >L\u1eddi k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p>Khi l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y ch\u1ee7 \u1ea3o, vi\u1ec7c <a href=\"https:\/\/interdata.vn\/blog\/quan-ly-dich-vu-vps-voi-systemctl\/\"><strong>qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 VPS v\u1edbi systemctl<\/strong><\/a> l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng n\u00e0o. systemctl l\u00e0 c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh m\u1ea1nh m\u1ebd gi\u00fap b\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u00e0 ki\u1ec3m so\u00e1t systemd, tr\u00ecnh qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng v\u00e0 d\u1ecbch v\u1ee5 m\u1eb7c \u0111\u1ecbnh tr\u00ean h\u1ea7u h\u1ebft c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh-linux-la-gi\/\">Linux<\/a> hi\u1ec7n \u0111\u1ea1i. B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong><\/a> s\u1ebd cung c\u1ea5p cho b\u1ea1n h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eeb A-Z, gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng systemctl m\u1ed9t c\u00e1ch th\u00e0nh th\u1ea1o \u0111\u1ec3 gi\u00e1m s\u00e1t, \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c d\u1ecbch v\u1ee5 tr\u00ean <a href=\"https:\/\/interdata.vn\/blog\/vps-la-gi\/\">VPS<\/a>, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"systemctl-la-gi\"><\/span>systemctl l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>systemctl l\u00e0 m\u1ed9t ti\u1ec7n \u00edch d\u00f2ng l\u1ec7nh, \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n v\u00e0 qu\u1ea3n l\u00fd systemd. V\u1eady systemd l\u00e0 g\u00ec? systemd l\u00e0 m\u1ed9t tr\u00ecnh qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng v\u00e0 d\u1ecbch v\u1ee5 (init system) cho c\u00e1c <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh\/\">h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/a> Linux. Tr\u00ean h\u1ea7u h\u1ebft c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i Linux ph\u1ed5 bi\u1ebfn hi\u1ec7n nay nh\u01b0 Ubuntu, CentOS 7+, Debian, systemd \u0111\u00e3 thay th\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng c\u0169 nh\u01b0 SysVinit.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-33731\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Quan-ly-VPS-bang-systemctl.jpg\" alt=\"Qu\u1ea3n l\u00fd VPS b\u1eb1ng systemctl\" width=\"600\" height=\"400\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Quan-ly-VPS-bang-systemctl.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Quan-ly-VPS-bang-systemctl-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Tr\u01b0\u1edbc \u0111\u00e2y, qu\u1ea3n tr\u1ecb vi\u00ean th\u01b0\u1eddng d\u00f9ng c\u00e1c script trong \/etc\/init.d\/ \u0111\u1ec3 qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5. C\u00e1ch l\u00e0m n\u00e0y c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 c\u00e1c d\u1ecbch v\u1ee5 ph\u1ea3i kh\u1edfi \u0111\u1ed9ng tu\u1ea7n t\u1ef1, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n<p>systemd ra \u0111\u1eddi \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y. systemd qu\u1ea3n l\u00fd c\u00e1c ti\u1ebfn tr\u00ecnh v\u00e0 d\u1ecbch v\u1ee5 m\u1ed9t c\u00e1ch song song, gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 kh\u1edfi \u0111\u1ed9ng VPS \u0111\u00e1ng k\u1ec3. systemctl ch\u00ednh l\u00e0 &#8220;c\u1ea7u n\u1ed1i&#8221; \u0111\u1ec3 b\u1ea1n ra l\u1ec7nh cho systemd th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 kh\u1edfi \u0111\u1ed9ng, d\u1eebng, ki\u1ec3m tra tr\u1ea1ng th\u00e1i hay c\u1ea5u h\u00ecnh m\u1ed9t d\u1ecbch v\u1ee5 b\u1ea5t k\u1ef3. Vi\u1ec7c th\u00e0nh th\u1ea1o systemctl gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ea1y tr\u00ean VPS c\u1ee7a m\u00ecnh, t\u1eeb web server, database cho \u0111\u1ebfn t\u01b0\u1eddng l\u1eeda.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-lenh-systemctl-co-ban-de-quan-ly-dich-vu\"><\/span>C\u00e1c l\u1ec7nh systemctl c\u01a1 b\u1ea3n \u0111\u1ec3 qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 VPS, b\u1ea1n c\u1ea7n n\u1eafm v\u1eefng nh\u1eefng l\u1ec7nh systemctl c\u01a1 b\u1ea3n sau \u0111\u00e2y. Ch\u00fang l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 b\u1ea1n s\u1ebd s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru. Trong c\u00e1c v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 web server <a href=\"https:\/\/interdata.vn\/blog\/nginx-la-gi\/\">nginx<\/a> l\u00e0m minh h\u1ecda.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-33730\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Quan-ly-VPS-bang-systemctl-1.jpg\" alt=\"Qu\u1ea3n l\u00fd VPS b\u1eb1ng systemctl 1\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Quan-ly-VPS-bang-systemctl-1.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Quan-ly-VPS-bang-systemctl-1-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Quan-ly-VPS-bang-systemctl-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kiem-tra-trang-thai-dich-vu-systemctl-status-service-name\"><\/span>Ki\u1ec3m tra tr\u1ea1ng th\u00e1i d\u1ecbch v\u1ee5 (systemctl status service_name)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 l\u1ec7nh quan tr\u1ecdng nh\u1ea5t b\u1ea1n c\u1ea7n bi\u1ebft. L\u1ec7nh n\u00e0y cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 t\u00ecnh tr\u1ea1ng hi\u1ec7n t\u1ea1i c\u1ee7a m\u1ed9t d\u1ecbch v\u1ee5.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl status ten_dich_vu<\/code><\/pre>\n<p><strong>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf:<\/strong> Ki\u1ec3m tra tr\u1ea1ng th\u00e1i c\u1ee7a Nginx.<\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl status nginx```\r\n\r\n**K\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 s\u1ebd tr\u00f4ng gi\u1ed1ng nh\u01b0 sau:**\r\n<\/code><\/pre>\n<pre><code class=\"language-plaintext\">nginx.service - A high performance web server and a reverse proxy server\r\nLoaded: loaded (\/lib\/systemd\/system\/nginx.service; enabled; vendor preset: enabled)\r\nActive: active (running) since Tue 2025-09-30 03:30:15 UTC; 15min ago\r\nDocs: man:nginx(8)\r\nMain PID: 1234 (nginx)\r\nTasks: 2 (limit: 1117)\r\nMemory: 7.8M\r\nCPU: 45ms\r\nCGroup: \/system.slice\/nginx.service\r\n\u251c\u25001234 \/usr\/sbin\/nginx -g daemon on; master_process on;\r\n\u2514\u25001235 \/usr\/sbin\/nginx -g daemon on; master_process on;<\/code><code class=\"language-plaintext\"><\/code><\/pre>\n<pre><code class=\"language-plaintext\">**C\u00e1ch \u0111\u1ecdc k\u1ebft qu\u1ea3:**\r\n*   **Loaded:** Cho bi\u1ebft t\u1ec7p c\u1ea5u h\u00ecnh c\u1ee7a d\u1ecbch v\u1ee5 \u0111\u00e3 \u0111\u01b0\u1ee3c n\u1ea1p th\u00e0nh c\u00f4ng. D\u00f2ng `enabled` ngh\u0129a l\u00e0 d\u1ecbch v\u1ee5 n\u00e0y s\u1ebd t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng c\u00f9ng h\u1ec7 th\u1ed1ng.\r\n*   **Active:** `active (running)` c\u00f3 ngh\u0129a l\u00e0 d\u1ecbch v\u1ee5 \u0111ang ch\u1ea1y \u1ed5n \u0111\u1ecbnh. N\u1ebfu c\u00f3 l\u1ed7i, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y `inactive (dead)` ho\u1eb7c `failed`.\r\n*   **Main PID:** Hi\u1ec3n th\u1ecb m\u00e3 ti\u1ebfn tr\u00ecnh (Process ID) ch\u00ednh c\u1ee7a d\u1ecbch v\u1ee5.\r\n*   C\u00e1c d\u00f2ng cu\u1ed1i c\u00f9ng l\u00e0 nh\u1eefng log ho\u1ea1t \u0111\u1ed9ng g\u1ea7n nh\u1ea5t, r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n l\u1ed7i nhanh.\r\n\r\n### Kh\u1edfi \u0111\u1ed9ng d\u1ecbch v\u1ee5 (systemctl start service_name)\r\n\r\nKhi m\u1ed9t d\u1ecbch v\u1ee5 \u0111ang \u1edf tr\u1ea1ng th\u00e1i `inactive`, b\u1ea1n d\u00f9ng l\u1ec7nh `start` \u0111\u1ec3 kh\u1edfi ch\u1ea1y.\r\n\r\n**C\u00fa ph\u00e1p:**\r\nsudo systemctl start ten_dich_vu<\/code><\/pre>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl start nginx<\/code><\/pre>\n<p>L\u1ec7nh n\u00e0y s\u1ebd kh\u00f4ng tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 n\u00e0o n\u1ebfu th\u1ef1c thi th\u00e0nh c\u00f4ng. B\u1ea1n n\u00ean d\u00f9ng systemctl status nginx ngay sau \u0111\u00f3 \u0111\u1ec3 x\u00e1c nh\u1eadn d\u1ecbch v\u1ee5 \u0111\u00e3 ch\u1ea1y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dung-dich-vu-systemctl-stop-service-name\"><\/span>D\u1eebng d\u1ecbch v\u1ee5 (systemctl stop service_name)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi start, l\u1ec7nh stop \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 d\u1eebng m\u1ed9t d\u1ecbch v\u1ee5 \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl stop ten_dich_vu<\/code><\/pre>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl stop nginx<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Khoi-dong-lai-dich-vu-systemctl-restart-service-name\"><\/span>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 (systemctl restart service_name)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ec7nh n\u00e0y l\u00e0 m\u1ed9t c\u00e1ch ti\u1ec7n l\u1ee3i \u0111\u1ec3 d\u1eebng v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 ngay l\u1eadp t\u1ee9c. B\u1ea1n th\u01b0\u1eddng d\u00f9ng l\u1ec7nh restart sau khi \u0111\u00e3 thay \u0111\u1ed5i c\u00e1c t\u1ec7p c\u1ea5u h\u00ecnh quan tr\u1ecdng v\u00e0 mu\u1ed1n \u00e1p d\u1ee5ng ch\u00fang.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl restart ten_dich_vu<\/code><\/pre>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl restart nginx<\/code><\/pre>\n<p>L\u1ec7nh n\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o m\u1ecdi thay \u0111\u1ed5i trong c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tri\u1ec7t \u0111\u1ec3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tai-lai-cau-hinh-dich-vu-systemctl-reload-service-name\"><\/span>T\u1ea3i l\u1ea1i c\u1ea5u h\u00ecnh d\u1ecbch v\u1ee5 (systemctl reload service_name)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ec7nh reload tinh t\u1ebf h\u01a1n restart. Thay v\u00ec d\u1eebng ho\u00e0n to\u00e0n d\u1ecbch v\u1ee5, reload ch\u1ec9 y\u00eau c\u1ea7u d\u1ecbch v\u1ee5 \u0111\u1ecdc l\u1ea1i t\u1ec7p c\u1ea5u h\u00ecnh m\u1edbi m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c k\u1ebft n\u1ed1i hi\u1ec7n t\u1ea1i. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u00f4i tr\u01b0\u1eddng s\u1ea3n ph\u1ea9m, n\u01a1i b\u1ea1n mu\u1ed1n gi\u1ea3m thi\u1ec3u th\u1eddi gian ch\u1ebft (downtime).<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl reload ten_dich_vu<\/code><\/pre>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl reload nginx<\/code><\/pre>\n<p><strong>L\u01b0u \u00fd quan tr\u1ecdng:<\/strong> Kh\u00f4ng ph\u1ea3i d\u1ecbch v\u1ee5 n\u00e0o c\u0169ng h\u1ed7 tr\u1ee3 l\u1ec7nh reload. N\u1ebfu m\u1ed9t d\u1ecbch v\u1ee5 kh\u00f4ng h\u1ed7 tr\u1ee3, systemd c\u00f3 th\u1ec3 s\u1ebd th\u1ef1c hi\u1ec7n l\u1ec7nh restart thay th\u1ebf.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Quan-ly-dich-vu-khi-khoi-dong-he-thong\"><\/span>Qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 khi kh\u1edfi \u0111\u1ed9ng h\u1ec7 th\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c c\u1ea5u h\u00ecnh m\u1ed9t d\u1ecbch v\u1ee5 t\u1ef1 kh\u1edfi \u0111\u1ed9ng c\u00f9ng VPS l\u00e0 r\u1ea5t quan tr\u1ecdng. B\u1ea1n ch\u1eafc ch\u1eafn s\u1ebd mu\u1ed1n web server hay database c\u1ee7a m\u00ecnh t\u1ef1 \u0111\u1ed9ng ch\u1ea1y l\u1ea1i sau m\u1ed7i l\u1ea7n VPS \u0111\u01b0\u1ee3c reboot v\u00ec l\u00fd do b\u1ea3o tr\u00ec. systemctl cung c\u1ea5p c\u00e1c l\u1ec7nh \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bat-tu-dong-khoi-dong-systemctl-enable-service-name\"><\/span>B\u1eadt t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng (systemctl enable service_name)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ec7nh enable t\u1ea1o ra m\u1ed9t li\u00ean k\u1ebft t\u01b0\u1ee3ng tr\u01b0ng (symbolic link) c\u1ea7n thi\u1ebft, \u0111\u1ec3 systemd bi\u1ebft r\u1eb1ng c\u1ea7n kh\u1edfi ch\u1ea1y d\u1ecbch v\u1ee5 n\u00e0y trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng h\u1ec7 th\u1ed1ng.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl enable ten_dich_vu<\/code><\/pre>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl enable nginx<\/code><\/pre>\n<p>Sau khi ch\u1ea1y l\u1ec7nh, Nginx s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t m\u1ed7i khi b\u1ea1n kh\u1edfi \u0111\u1ed9ng l\u1ea1i VPS.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tat-tu-dong-khoi-dong-systemctl-disable-service-name\"><\/span>T\u1eaft t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng (systemctl disable service_name)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n m\u1ed9t d\u1ecbch v\u1ee5 n\u00e0o \u0111\u00f3 t\u1ef1 kh\u1edfi \u0111\u1ed9ng \u0111\u1ec3 ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean, h\u00e3y d\u00f9ng l\u1ec7nh disable. L\u1ec7nh n\u00e0y s\u1ebd x\u00f3a li\u00ean k\u1ebft t\u01b0\u1ee3ng tr\u01b0ng \u0111\u00e3 t\u1ea1o b\u1edfi enable.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl disable ten_dich_vu<\/code><\/pre>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">sudo systemctl disable nginx<\/code><\/pre>\n<p>L\u01b0u \u00fd r\u1eb1ng l\u1ec7nh disable ch\u1ec9 ng\u0103n d\u1ecbch v\u1ee5 t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea7n sau, ch\u1ee9 kh\u00f4ng d\u1eebng d\u1ecbch v\u1ee5 \u0111ang ch\u1ea1y. B\u1ea1n ph\u1ea3i d\u00f9ng systemctl stop \u0111\u1ec3 d\u1eebng ngay l\u1eadp t\u1ee9c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kiem-tra-trang-thai-tu-khoi-dong-systemctl-is-enabled-service-name\"><\/span>Ki\u1ec3m tra tr\u1ea1ng th\u00e1i t\u1ef1 kh\u1edfi \u0111\u1ed9ng (systemctl is-enabled service_name)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 ki\u1ec3m tra nhanh xem m\u1ed9t d\u1ecbch v\u1ee5 c\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 t\u1ef1 kh\u1edfi \u0111\u1ed9ng hay kh\u00f4ng.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">systemctl is-enabled ten_dich_vu<\/code><\/pre>\n<p>L\u1ec7nh n\u00e0y s\u1ebd tr\u1ea3 v\u1ec1 enabled (\u0111\u00e3 b\u1eadt), disabled (\u0111\u00e3 t\u1eaft), ho\u1eb7c static (kh\u00f4ng th\u1ec3 b\u1eadt\/t\u1eaft, th\u01b0\u1eddng l\u00e0 c\u00e1c d\u1ecbch v\u1ee5 ph\u1ee5 thu\u1ed9c).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem-soat-toan-bo-dich-vu-tren-VPS\"><\/span>Ki\u1ec3m so\u00e1t to\u00e0n b\u1ed9 d\u1ecbch v\u1ee5 tr\u00ean VPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ngo\u00e0i vi\u1ec7c qu\u1ea3n l\u00fd t\u1eebng d\u1ecbch v\u1ee5 ri\u00eang l\u1ebb, systemctl c\u00f2n cho ph\u00e9p b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c &#8220;unit&#8221; \u0111ang ho\u1ea1t \u0111\u1ed9ng tr\u00ean h\u1ec7 th\u1ed1ng. Trong systemd, m\u1ecdi th\u1ee9 \u0111\u1ec1u \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t &#8220;unit&#8221;, v\u00e0 d\u1ecbch v\u1ee5 (service) l\u00e0 m\u1ed9t lo\u1ea1i unit ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Liet-ke-cac-dich-vu-dang-chay-systemctl-list-units-%E2%80%93typeservice\"><\/span>Li\u1ec7t k\u00ea c\u00e1c d\u1ecbch v\u1ee5 \u0111ang ch\u1ea1y (systemctl list-units &#8211;type=service)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ec7nh n\u00e0y gi\u00fap b\u1ea1n xem danh s\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c unit lo\u1ea1i service \u0111ang \u0111\u01b0\u1ee3c systemd qu\u1ea3n l\u00fd.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">systemctl list-units --type=service<\/code><\/pre>\n<p>\u0110\u1ec3 xem c\u1ea3 nh\u1eefng d\u1ecbch v\u1ee5 \u0111\u00e3 d\u1eebng ho\u1eb7c b\u1ecb l\u1ed7i, b\u1ea1n th\u00eam c\u1edd &#8211;all:<\/p>\n<pre><code class=\"language-plaintext\">systemctl list-units --type=service --all<\/code><\/pre>\n<p>K\u1ebft qu\u1ea3 s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t b\u1ea3ng v\u1edbi c\u00e1c c\u1ed9t th\u00f4ng tin nh\u01b0 UNIT (t\u00ean d\u1ecbch v\u1ee5), LOAD (tr\u1ea1ng th\u00e1i n\u1ea1p), ACTIVE (tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng), v\u00e0 SUB (th\u00f4ng tin chi ti\u1ebft h\u01a1n).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Liet-ke-tat-ca-cac-tep-unit-systemctl-list-unit-files\"><\/span>Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p unit (systemctl list-unit-files)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ec7nh n\u00e0y hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p unit c\u00f3 s\u1eb5n tr\u00ean h\u1ec7 th\u1ed1ng, bao g\u1ed3m c\u1ea3 nh\u1eefng d\u1ecbch v\u1ee5 ch\u01b0a bao gi\u1edd \u0111\u01b0\u1ee3c ch\u1ea1y. K\u1ebft qu\u1ea3 s\u1ebd cho b\u1ea1n bi\u1ebft m\u1ed9t d\u1ecbch v\u1ee5 \u0111ang \u1edf tr\u1ea1ng th\u00e1i enabled, disabled hay static. \u0110\u00e2y l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ki\u1ec3m tra nh\u1eefng d\u1ecbch v\u1ee5 n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t tr\u00ean VPS c\u1ee7a b\u1ea1n.<\/p>\n<p><strong>C\u00fa ph\u00e1p:<\/strong><\/p>\n<pre><code class=\"language-plaintext\">systemctl list-unit-files --type=service<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Mot-so-loi-thuong-gap-khi-dung-systemctl-va-cach-khac-phuc\"><\/span>M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi d\u00f9ng systemctl v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh qu\u1ea3n l\u00fd VPS, b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd g\u1eb7p m\u1ed9t s\u1ed1 l\u1ed7i ph\u1ed5 bi\u1ebfn v\u1edbi systemctl. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch nh\u1eadn bi\u1ebft v\u00e0 x\u1eed l\u00fd ch\u00fang.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Loi-Unit-not-found\"><\/span>L\u1ed7i: Unit not found<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 l\u1ed7i x\u1ea3y ra khi b\u1ea1n g\u00f5 sai t\u00ean d\u1ecbch v\u1ee5 ho\u1eb7c d\u1ecbch v\u1ee5 \u0111\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean VPS.<\/p>\n<p><strong>Nguy\u00ean nh\u00e2n:<\/strong> T\u00ean d\u1ecbch v\u1ee5 kh\u00f4ng ch\u00ednh x\u00e1c (v\u00ed d\u1ee5: g\u00f5 http thay v\u00ec httpd tr\u00ean CentOS).<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong><\/p>\n<ul>\n<li>Ki\u1ec3m tra l\u1ea1i ch\u00ednh t\u1ea3 c\u1ee7a t\u00ean d\u1ecbch v\u1ee5.<\/li>\n<li>N\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y d\u00f9ng l\u1ec7nh systemctl list-unit-files | grep ten_ban_nghi \u0111\u1ec3 t\u00ecm ki\u1ebfm t\u00ean ch\u00ednh x\u00e1c.<\/li>\n<li>N\u1ebfu kh\u00f4ng t\u00ecm th\u1ea5y, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t g\u00f3i ph\u1ea7n m\u1ec1m t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng tr\u00ecnh qu\u1ea3n l\u00fd g\u00f3i c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh (v\u00ed d\u1ee5: sudo apt install nginx tr\u00ean Ubuntu).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Loi-Permission-denied\"><\/span>L\u1ed7i: Permission denied<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ed7i n\u00e0y xu\u1ea5t hi\u1ec7n khi b\u1ea1n c\u1ed1 g\u1eafng th\u1ef1c hi\u1ec7n m\u1ed9t h\u00e0nh \u0111\u1ed9ng (nh\u01b0 start ho\u1eb7c stop) m\u00e0 kh\u00f4ng c\u00f3 quy\u1ec1n qu\u1ea3n tr\u1ecb.<\/p>\n<ul>\n<li><strong>Nguy\u00ean nh\u00e2n:<\/strong> Ch\u1ea1y l\u1ec7nh systemctl v\u1edbi m\u1ed9t ng\u01b0\u1eddi d\u00f9ng th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 <a href=\"https:\/\/interdata.vn\/blog\/root-access-la-gi\/\">quy\u1ec1n root<\/a>.<\/li>\n<li><strong>Gi\u1ea3i ph\u00e1p:<\/strong> Lu\u00f4n th\u00eam sudo v\u00e0o tr\u01b0\u1edbc m\u1ed7i l\u1ec7nh systemctl thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i d\u1ecbch v\u1ee5. V\u00ed d\u1ee5: sudo systemctl restart nginx.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Loi-Failed-to-start-service\"><\/span>L\u1ed7i: Failed to start service<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi m\u1ed9t d\u1ecbch v\u1ee5 kh\u00f4ng th\u1ec3 kh\u1edfi \u0111\u1ed9ng, systemctl status s\u1ebd b\u00e1o failed. \u0110\u00e2y l\u00e0 l\u00fac b\u1ea1n c\u1ea7n \u0111i\u1ec1u tra s\u00e2u h\u01a1n.<\/p>\n<p><strong>Nguy\u00ean nh\u00e2n:<\/strong> C\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n, ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 l\u1ed7i c\u00fa ph\u00e1p trong t\u1ec7p c\u1ea5u h\u00ecnh, xung \u0111\u1ed9t c\u1ed5ng (m\u1ed9t d\u1ecbch v\u1ee5 kh\u00e1c \u0111ang d\u00f9ng c\u1ed5ng \u0111\u00f3), ho\u1eb7c thi\u1ebfu t\u1ec7p\/th\u01b0 m\u1ee5c c\u1ea7n thi\u1ebft.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> C\u00f4ng c\u1ee5 g\u1ee1 l\u1ed7i m\u1ea1nh nh\u1ea5t c\u1ee7a b\u1ea1n l\u00fac n\u00e0y l\u00e0 journalctl.<\/p>\n<ul>\n<li>Ch\u1ea1y l\u1ec7nh sudo journalctl -u ten_dich_vu \u0111\u1ec3 xem nh\u1eadt k\u00fd chi ti\u1ebft ch\u1ec9 c\u1ee7a d\u1ecbch v\u1ee5 \u0111\u00f3.<\/li>\n<li>K\u00e9o xu\u1ed1ng d\u01b0\u1edbi c\u00f9ng \u0111\u1ec3 xem c\u00e1c th\u00f4ng b\u00e1o l\u1ed7i m\u1edbi nh\u1ea5t. C\u00e1c th\u00f4ng b\u00e1o n\u00e0y th\u01b0\u1eddng ch\u1ec9 r\u00f5 v\u1ea5n \u0111\u1ec1, v\u00ed d\u1ee5: &#8220;nginx: [emerg] invalid <a href=\"https:\/\/interdata.vn\/blog\/tham-so-parameter-la-gi\/\">parameter<\/a> &#8220;sendfil&#8221; in \/etc\/nginx\/nginx.conf:23&#8243; (l\u1ed7i c\u00fa ph\u00e1p t\u1ea1i d\u00f2ng 23 c\u1ee7a t\u1ec7p c\u1ea5u h\u00ecnh).<\/li>\n<li>Sau khi s\u1eeda l\u1ed7i, h\u00e3y ch\u1ea1y sudo systemctl daemon-reload \u0111\u1ec3 systemd n\u1ea1p l\u1ea1i c\u1ea5u h\u00ecnh, r\u1ed3i th\u1eed start l\u1ea1i d\u1ecbch v\u1ee5.<\/li>\n<\/ul>\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>N\u1eafm v\u1eefng systemctl l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 b\u1ea5t k\u1ef3 m\u00e1y ch\u1ee7 Linux hi\u1ec7n \u0111\u1ea1i n\u00e0o. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 b\u1eadt\/t\u1eaft d\u1ecbch v\u1ee5, m\u00e0 c\u00f2n l\u00e0 trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n gi\u00fap b\u1ea1n gi\u00e1m s\u00e1t, t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 g\u1ee1 l\u1ed7i h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch th\u1ef1c h\u00e0nh th\u01b0\u1eddng xuy\u00ean v\u1edbi c\u00e1c l\u1ec7nh \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u, b\u1ea1n s\u1ebd nhanh ch\u00f3ng l\u00e0m ch\u1ee7 \u0111\u01b0\u1ee3c VPS c\u1ee7a m\u00ecnh, \u0111\u1ea3m b\u1ea3o c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n.<\/p>\n<hr \/>\n<p>\u0110\u1ec3 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng v\u1edbi hi\u1ec7u su\u1ea5t cao nh\u1ea5t, m\u1ed9t n\u1ec1n t\u1ea3ng VPS \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 ti\u00ean quy\u1ebft. H\u00e3y t\u00ecm hi\u1ec3u ngay <a href=\"https:\/\/interdata.vn\/thue-vps\/\"><strong>d\u1ecbch v\u1ee5 thu\u00ea m\u00e1y ch\u1ee7 \u1ea3o VPS ch\u1ea5t l\u01b0\u1ee3ng cao, gi\u00e1 t\u1ed1t<\/strong><\/a> t\u1ea1i InterData \u0111\u1ec3 tr\u1ea3i nghi\u1ec7m s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u1ed1c \u0111\u1ed9, b\u1ea3o m\u1eadt v\u00e0 s\u1ef1 h\u1ed7 tr\u1ee3 chuy\u00ean nghi\u1ec7p!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khi l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y ch\u1ee7 \u1ea3o, vi\u1ec7c qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 VPS v\u1edbi systemctl l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng n\u00e0o. systemctl l\u00e0 c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh m\u1ea1nh m\u1ebd gi\u00fap b\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u00e0 ki\u1ec3m so\u00e1t systemd, tr\u00ecnh qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng v\u00e0 d\u1ecbch<\/p>\n","protected":false},"author":2,"featured_media":33731,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-33729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vps"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33729","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=33729"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33729\/revisions"}],"predecessor-version":[{"id":33734,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33729\/revisions\/33734"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/33731"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=33729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=33729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=33729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}