{"id":2237,"date":"2022-05-06T16:44:14","date_gmt":"2022-05-06T08:44:14","guid":{"rendered":"https:\/\/199604.com\/?p=2237"},"modified":"2022-05-06T16:44:28","modified_gmt":"2022-05-06T08:44:28","slug":"centos7%e8%99%9a%e6%8b%9f%e5%86%85%e5%ad%98%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/199604.com\/2237","title":{"rendered":"Centos7\u865a\u62df\u5185\u5b58\u8bbe\u7f6e"},"content":{"rendered":"<h1>Centos7\u865a\u62df\u5185\u5b58\u8bbe\u7f6e<\/h1>\n<p>\u56e0\u4e3a\u65b0\u516c\u53f8\u7684\u9879\u76ee\u5360\u7528\u5185\u5b58\u6709\u70b9\u5927\uff0c\u4f46\u662f\u673a\u5668\u5185\u5b58\u6ca1\u90a3\u4e48\u591a\uff0c\u8fdb\u7a0b\u603b\u88ab\u6740\u6b7b\uff0c\u56e0\u6b64\u8bbe\u7f6e\u4e00\u4e0b\u865a\u62df\u5185\u5b58<\/p>\n<h2>\u67e5\u770b\u4e00\u4e0b\u81ea\u5df1\u7684\u670d\u52a1\u5668swap\u5927\u5c0f<\/h2>\n<p><code>free -h<\/code><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qn.199604.com\/typoraImg\/image-20220506163516989.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/qn.199604.com\/typoraImg\/image-20220506163516989.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20220506163516989\" \/><\/div><\/p>\n<h2>\u521b\u5efa\u865a\u62df\u5185\u5b58\u7f13\u5b58\u6587\u4ef6<\/h2>\n<p>\u4e00\u822c\u8bbe\u7f6e\u4e3a\u7269\u7406\u5185\u5b58\u76842\u500d,\u5728\u4e00\u4e2a\u76ee\u5f55\u4e0b\u521b\u5efaswap\u6587\u4ef6,\u4f46\u662f\u5982\u679c\u5185\u5b58\u9e21\u513f\u5927\u7684\u8bdd\uff0c\u90a3\u5c31\u770b\u60c5\u51b5\u5c31\u884c&#8230;<\/p>\n<pre><code class=\"language-shell \">[root@localhost ~] dd if=\/dev\/zero of=\/root\/swapfile bs=1M count=8192\n\u8bb0\u5f55\u4e868192+0 \u7684\u8bfb\u5165\n\u8bb0\u5f55\u4e868192+0 \u7684\u5199\u51fa\n8589934592\u5b57\u8282(8.6 GB)\u5df2\u590d\u5236\uff0c17.1021 \u79d2\uff0c502 MB\/\u79d2\n<\/code><\/pre>\n<h2>\u6784\u5efaswap<\/h2>\n<pre><code class=\"language-shell \">[root@localhost ~] mkswap \/root\/swapfile\n\u6b63\u5728\u8bbe\u7f6e\u4ea4\u6362\u7a7a\u95f4\u7248\u672c 1\uff0c\u5927\u5c0f = 8388604 KiB\n\u65e0\u6807\u7b7e\uff0cUUID=c13a3fc1-0a0b-4c73-963e-c383df554dff\n<\/code><\/pre>\n<h2>\u6fc0\u6d3bswap<\/h2>\n<pre><code class=\"language-shell \">[root@localhost ~] swapon \/root\/swapfile\nswapon: \/root\/swapfile\uff1a\u4e0d\u5b89\u5168\u7684\u6743\u9650 0664\uff0c\u5efa\u8bae\u4f7f\u7528 0600\u3002\n<\/code><\/pre>\n<h3>\u6fc0\u6d3b\u540e\uff0c\u67e5\u770b\u4e00\u4e0bswap\u7684\u5927\u5c0f<\/h3>\n<pre><code class=\"language-shell \">[root@localhost ~] free -h\n<\/code><\/pre>\n<h2>\u6c38\u4e45\u751f\u6548<\/h2>\n<p>\u4e0a\u8ff0\u64cd\u4f5c\u4ec5\u4ec5\u5728\u672c\u6b21\u5f00\u673a\u6709\u6548\uff0c\u91cd\u542f\u5931\u6548\uff0c\u6211\u4eec\u9700\u8981\u4fdd\u5b58\u4e00\u4e0b\u914d\u7f6e<\/p>\n<p><code>vim \/etc\/fstab<\/code><\/p>\n<p>\u5c06<code>\/dev\/mapper\/centos-swap none swap sw 0 0<\/code>\u8fd9\u884c\u6ce8\u91ca\u6389\uff0c\u65b0\u589e\u4e00\u884c<\/p>\n<p><code>\/root\/swapfile swap swap defaults 0 0<\/code><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qn.199604.com\/typoraImg\/image-20220506164342689.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/qn.199604.com\/typoraImg\/image-20220506164342689.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20220506164342689\" \/><\/div><\/p>\n<h2>\u4fee\u6539\u865a\u62df\u5185\u5b58\u5927\u5c0f<\/h2>\n<p>\u5982\u679c\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u865a\u62df\u5185\u5b58\uff0c\u60f3\u4fee\u6539\u4e00\u4e0b\u5927\u5c0f\uff0c\u6216\u8005\u53d6\u6d88\u8bbe\u7f6e\u865a\u62df\u5185\u5b58\u7684\uff0c<br \/>\n\u53ea\u9700\u5173\u95edswap\u5e76\u5220\u9664\u4e4b\u524d\u521b\u5efa\u7684swapfile\u6587\u4ef6\u5373\u53ef<\/p>\n<h3>\u5173\u95edswap<\/h3>\n<p><code>swapoff \/root\/swapfile<\/code><\/p>\n<h3>\u5220\u9664\/root\/swapfile<\/h3>\n<p><code>rm -f \/root\/swapfile<\/code><\/p>\n<p>\u7136\u540e\u91cd\u590d\u8bbe\u7f6e\u4ee5\u4e0b\u6b65\u9aa4\u5373\u53ef\uff1a<\/p>\n<ol>\n<li>\u521b\u5efa\u865a\u62df\u5185\u5b58\u6587\u4ef6<\/li>\n<li>\u6784\u5efa+\u6fc0\u6d3bswap<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Centos7\u865a\u62df\u5185\u5b58\u8bbe\u7f6e \u56e0\u4e3a\u65b0\u516c\u53f8\u7684\u9879\u76ee\u5360\u7528\u5185\u5b58\u6709\u70b9\u5927\uff0c\u4f46\u662f\u673a\u5668\u5185\u5b58\u6ca1\u90a3\u4e48\u591a\uff0c\u8fdb\u7a0b\u603b\u88ab\u6740\u6b7b\uff0c\u56e0\u6b64\u8bbe\u7f6e\u4e00\u4e0b\u865a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[260],"tags":[259,347,70],"class_list":["post-2237","post","type-post","status-publish","format-standard","hentry","category-linux","tag-centos","tag-centos-7","tag-linux"],"_links":{"self":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/comments?post=2237"}],"version-history":[{"count":1,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2237\/revisions"}],"predecessor-version":[{"id":2238,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2237\/revisions\/2238"}],"wp:attachment":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/media?parent=2237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/categories?post=2237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/tags?post=2237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}