{"id":1,"date":"2026-08-09T19:16:55","date_gmt":"2026-08-09T11:16:55","guid":{"rendered":"https:\/\/wp.lq.cloudns.pro\/?p=1"},"modified":"2026-08-09T23:48:05","modified_gmt":"2026-08-09T15:48:05","slug":"hello-world","status":"publish","type":"post","link":"https:\/\/wp.lq.cloudns.pro\/index.php\/2026\/08\/09\/hello-world\/","title":{"rendered":"Ubuntu\u7cfb\u7edf\u8bbe\u7f6eSwap\u865a\u62df\u5185\u5b58\uff0c\u89e3\u51b3\u5c0f\u5185\u5b58VPS\u5185\u5b58\u4e0d\u591f\u7528\u7684\u95ee\u9898"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/wp.lq.cloudns.pro\/wp-content\/uploads\/2026\/08\/swap-1024x576.png\" alt=\"\" class=\"wp-image-15\" srcset=\"https:\/\/wp.lq.cloudns.pro\/wp-content\/uploads\/2026\/08\/swap-1024x576.png 1024w, https:\/\/wp.lq.cloudns.pro\/wp-content\/uploads\/2026\/08\/swap-300x169.png 300w, https:\/\/wp.lq.cloudns.pro\/wp-content\/uploads\/2026\/08\/swap-768x432.png 768w, https:\/\/wp.lq.cloudns.pro\/wp-content\/uploads\/2026\/08\/swap-1536x864.png 1536w, https:\/\/wp.lq.cloudns.pro\/wp-content\/uploads\/2026\/08\/swap.png 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u5173\u4ee3\u7801\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Ubuntu\u4e0a\u914d\u7f6e Swap \u865a\u62df\u5185\u5b58\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 free -h \u547d\u4ee4\u5c06\u663e\u793a\u7cfb\u7edf\u5185\u5b58\u548c swap \u7a7a\u95f4\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ec\u5df2\u4f7f\u7528\u3001\u53ef\u7528\u548c\u603b\u5927\u5c0f\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.\u68c0\u67e5\u7cfb\u7edf\u5f53\u524d\u7684 Swap \u4f7f\u7528\u60c5\u51b5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo swapon &#8211;show<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6ca1\u6709\u4efb\u4f55\u8f93\u51fa\uff0c\u8868\u793a\u5f53\u524d\u6ca1\u6709\u542f\u7528 Swap\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.\u521b\u5efa Swap \u6587\u4ef6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo fallocate -l 2G \/swapfile<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8ff0\u547d\u4ee4\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a \/swapfile \u7684 Swap \u6587\u4ef6\uff0c\u5927\u5c0f\u4e3a 2GB\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u6587\u4ef6\u5927\u5c0f\u3002\u901a\u5e38\uff0c\u5efa\u8bae\u5c06 Swap \u5927\u5c0f\u8bbe\u7f6e\u4e3a\u7269\u7406\u5185\u5b58\u7684 2 \u500d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3.\u8bbe\u7f6e\u6587\u4ef6\u6743\u9650<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo chmod 600 \/swapfile<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c06\u9650\u5236\u53ea\u6709 root \u7528\u6237\u53ef\u4ee5\u8bfb\u5199\u8be5 Swap \u6587\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4.\u5c06\u6587\u4ef6\u914d\u7f6e\u4e3a Swap \u7a7a\u95f4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo mkswap \/swapfile<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5.\u542f\u7528 Swap<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo swapon \/swapfile<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6.\u9a8c\u8bc1 Swap \u662f\u5426\u5df2\u542f\u7528<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo swapon &#8211;show<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u4fdd\u8f93\u51fa\u663e\u793a\u4e86 \/swapfile\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7.\u66f4\u65b0 \/etc\/fstab \u6587\u4ef6\u4ee5\u5728\u542f\u52a8\u65f6\u81ea\u52a8\u542f\u7528 Swap<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">echo &#8216;\/swapfile none swap sw 0 0&#8217; | sudo tee -a \/etc\/fstab<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c06\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4e00\u884c\u4ee5\u81ea\u52a8\u6302\u8f7d Swap \u6587\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u60a8\u7684\u7cfb\u7edf\u5df2\u7ecf\u914d\u7f6e\u4e86 Swap \u865a\u62df\u5185\u5b58\u3002\u6839\u636e\u60a8\u7684\u5185\u5b58\u548c\u4f7f\u7528\u9700\u6c42\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574 Swap \u6587\u4ef6\u7684\u5927\u5c0f\u3002\u8bf7\u6ce8\u610f\uff0cSwap \u865a\u62df\u5185\u5b58\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5904\u7406\u5185\u5b58\u4e0d\u8db3\u7684\u60c5\u51b5\uff0c\u4f46\u8fc7\u591a\u5730\u4f9d\u8d56 Swap \u4e5f\u53ef\u80fd\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\uff0c\u56e0\u6b64\u5efa\u8bae\u4f18\u5148\u8003\u8651\u589e\u52a0\u7269\u7406\u5185\u5b58\u6765\u6539\u5584\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u4e4b\u540e\u60f3\u8981\u5220\u9664 Swap \u865a\u62df\u5185\u5b58\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.\u7981\u7528 Swap\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo swapoff \/swapfile<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.\u5220\u9664 Swap \u6587\u4ef6\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo rm \/swapfile<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3.\u5982\u679c\u4f60\u5728\u521b\u5efa Swap \u6587\u4ef6\u65f6\u6309\u7167\u4e4b\u524d\u7684\u6b65\u9aa4\u6dfb\u52a0\u4e86\u4e00\u884c\u5230 \/etc\/fstab\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5220\u9664\u8fd9\u4e00\u884c\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sudo sed -i &#8216;\/swapfile\/d&#8217; \/etc\/fstab<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf7\u6ce8\u610f\uff0c\u5728\u6267\u884c\u8fd9\u4e9b\u6b65\u9aa4\u4e4b\u524d\uff0c\u786e\u4fdd\u4f60\u4e0d\u518d\u9700\u8981 Swap\uff0c\u5e76\u4e14\u6ca1\u6709\u6b63\u5728\u4f7f\u7528\u5b83\u3002\u5220\u9664 Swap \u6587\u4ef6\u540e\uff0c\u7cfb\u7edf\u5c06\u4e0d\u518d\u4f7f\u7528\u5b83\uff0c\u4f46\u4f60\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u542f\u52a8\u7cfb\u7edf\u4ee5\u5e94\u7528\u8fd9\u4e9b\u66f4\u6539\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c3d\u53ef\u80fd\u69a8\u5e72\u7269\u7406\u5185\u5b58\u521b\u5efa\u547d\u4ee4\u5982\u4e0b(\u4e00\u822c\u8bbe\u7f6e\u4e3a10\u621620)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c38\u4e45\u751f\u6548\uff08\u91cd\u542f\u540e\u4ecd\u6709\u6548\uff09:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>echo &#8220;vm.swappiness=10&#8221; | sudo tee \/etc\/sysctl.d\/99-swappiness.conf<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>sudo sysctl &#8211;system<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u67e5\u770b\uff1acat \/proc\/sys\/vm\/swappiness<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76f8\u5173\u4ee3\u7801\uff1a \u5728 Ubuntu\u4e0a\u914d\u7f6e Swap \u865a\u62df\u5185\u5b58\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a \u4f7f\u7528 free -h \u547d\u4ee4\u5c06\u663e\u793a\u7cfb\u7edf\u5185\u5b58\u548c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/posts\/1","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/comments?post=1"}],"version-history":[{"count":3,"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/posts\/1\/revisions"}],"predecessor-version":[{"id":20,"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/posts\/1\/revisions\/20"}],"wp:attachment":[{"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/media?parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/categories?post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.lq.cloudns.pro\/index.php\/wp-json\/wp\/v2\/tags?post=1"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}