{"id":2509,"date":"2026-06-02T19:30:47","date_gmt":"2026-06-02T10:30:47","guid":{"rendered":"https:\/\/remoooo.com\/?p=2509"},"modified":"2026-06-02T19:30:49","modified_gmt":"2026-06-02T10:30:49","slug":"server-swap","status":"publish","type":"post","link":"https:\/\/remoooo.com\/en\/server-swap\/","title":{"rendered":"The server increases virtual memory."},"content":{"rendered":"<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro padding-bottom-disabled\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:1rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.5rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#d4d4d433\" stroke=\"#d4d4d44d\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#d4d4d433\" stroke=\"#d4d4d44d\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#d4d4d433\" stroke=\"#d4d4d44d\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>free -h\ndf -h \/\n\nfallocate -l 4G \/swapfile\nchmod 600 \/swapfile\nmkswap \/swapfile\nswapon \/swapfile\n\necho '\/swapfile none swap sw 0 0' >> \/etc\/fstab\n\nsysctl vm.swappiness=20\necho 'vm.swappiness=20' >> \/etc\/sysctl.conf\n\nfree -h\nswapon --show\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #9CDCFE\">free<\/span><span style=\"color: #D4D4D4\"> -<\/span><span style=\"color: #9CDCFE\">h<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">df<\/span><span style=\"color: #D4D4D4\"> -<\/span><span style=\"color: #9CDCFE\">h<\/span><span style=\"color: #D4D4D4\"> \/<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">fallocate<\/span><span style=\"color: #D4D4D4\"> -<\/span><span style=\"color: #9CDCFE\">l<\/span><span style=\"color: #D4D4D4\"> 4<\/span><span style=\"color: #4FC1FF\">G<\/span><span style=\"color: #D4D4D4\"> \/<\/span><span style=\"color: #9CDCFE\">swapfile<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">chmod<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #B5CEA8\">600<\/span><span style=\"color: #D4D4D4\"> \/<\/span><span style=\"color: #9CDCFE\">swapfile<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">mkswap<\/span><span style=\"color: #D4D4D4\"> \/<\/span><span style=\"color: #9CDCFE\">swapfile<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">swapon<\/span><span style=\"color: #D4D4D4\"> \/<\/span><span style=\"color: #9CDCFE\">swapfile<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&#39;\/swapfile none swap sw 0 0&#39;<\/span><span style=\"color: #D4D4D4\"> &gt;&gt; \/<\/span><span style=\"color: #9CDCFE\">etc<\/span><span style=\"color: #D4D4D4\">\/<\/span><span style=\"color: #9CDCFE\">fstab<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">sysctl<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">vm<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">swappiness<\/span><span style=\"color: #D4D4D4\">=<\/span><span style=\"color: #B5CEA8\">20<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&#39;vm.swappiness=20&#39;<\/span><span style=\"color: #D4D4D4\"> &gt;&gt; \/<\/span><span style=\"color: #9CDCFE\">etc<\/span><span style=\"color: #D4D4D4\">\/<\/span><span style=\"color: #9CDCFE\">sysctl<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">conf<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">free<\/span><span style=\"color: #D4D4D4\"> -<\/span><span style=\"color: #9CDCFE\">h<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">swapon<\/span><span style=\"color: #D4D4D4\"> --<\/span><span style=\"color: #9CDCFE\">show<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><span style=\"display:flex;align-items:flex-end;padding:10px;width:100%;justify-content:flex-end;background-color:#1E1E1E;color:#c7c7c7;font-size:12px;line-height:1;position:relative\">JavaScript<\/span><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":2441,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53,1],"tags":[],"class_list":["post-2509","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","category-article"],"_links":{"self":[{"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/posts\/2509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/comments?post=2509"}],"version-history":[{"count":1,"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/posts\/2509\/revisions"}],"predecessor-version":[{"id":2510,"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/posts\/2509\/revisions\/2510"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/media\/2441"}],"wp:attachment":[{"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/media?parent=2509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/categories?post=2509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/remoooo.com\/en\/wp-json\/wp\/v2\/tags?post=2509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}