{"id":56873,"date":"2024-10-10T15:11:56","date_gmt":"2024-10-10T07:11:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/56873\/"},"modified":"2024-10-10T15:11:56","modified_gmt":"2024-10-10T07:11:56","slug":"%e4%bf%ae%e5%be%a9-linux-%e9%8c%af%e8%aa%a4-%e5%85%a7%e5%ad%98%e4%b8%8d%e8%b6%b3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/56873\/","title":{"rendered":"\u4fee\u5fa9 Linux \u932f\u8aa4 &#8211; \u5167\u5b58\u4e0d\u8db3"},"content":{"rendered":"<h1 id=\"%e4%bf%ae%e5%be%a9-linux-%e9%8c%af%e8%aa%a4-%e5%85%a7%e5%ad%98%e4%b8%8d%e8%b6%b3-mSGcHogITY\">\u4fee\u5fa9 Linux \u932f\u8aa4 &#8211; \u5167\u5b58\u4e0d\u8db3<\/h1>\n<p>\u5728\u4f7f\u7528 Linux \u7cfb\u7d71\u6642\uff0c\u5167\u5b58\u4e0d\u8db3\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u5728\u904b\u884c\u591a\u500b\u61c9\u7528\u7a0b\u5e8f\u6216\u670d\u52d9\u7684\u4f3a\u670d\u5668\u4e0a\u3002\u7576\u7cfb\u7d71\u5167\u5b58\u4e0d\u8db3\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\u3001\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u7121\u6cd5\u555f\u52d5\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8b58\u5225\u548c\u4fee\u5fa9 Linux \u7cfb\u7d71\u4e2d\u7684\u5167\u5b58\u4e0d\u8db3\u554f\u984c\u3002<\/p>\n<h2 id=\"%e5%85%a7%e5%ad%98%e4%b8%8d%e8%b6%b3%e7%9a%84%e5%be%b5%e5%85%86-mSGcHogITY\">\u5167\u5b58\u4e0d\u8db3\u7684\u5fb5\u5146<\/h2>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u5167\u5b58\u4e0d\u8db3\u7684\u5fb5\u5146\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7cfb\u7d71\u904b\u884c\u7de9\u6162\uff0c\u97ff\u61c9\u6642\u9593\u5ef6\u9072\u3002<\/li>\n<li>\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\u6216\u7121\u6cd5\u555f\u52d5\u3002<\/li>\n<li>\u51fa\u73fe\u201cOut of Memory\u201d\u932f\u8aa4\u4fe1\u606f\u3002<\/li>\n<li>\u4f7f\u7528 <code>top<\/code> \u6216 <code>htop<\/code> \u547d\u4ee4\u6642\uff0c\u986f\u793a\u7684\u5167\u5b58\u4f7f\u7528\u7387\u63a5\u8fd1 100%\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-mSGcHogITY\">\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u8981\u6aa2\u67e5\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>free -h<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u7cfb\u7d71\u7684\u7e3d\u5167\u5b58\u3001\u5df2\u7528\u5167\u5b58\u3001\u53ef\u7528\u5167\u5b58\u7b49\u4fe1\u606f\u3002\u53e6\u4e00\u500b\u6709\u7528\u7684\u547d\u4ee4\u662f\uff1a<\/p>\n<pre><code>vmstat 1<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u6bcf\u79d2\u986f\u793a\u4e00\u6b21\u7cfb\u7d71\u7684\u5167\u5b58\u548c CPU \u4f7f\u7528\u60c5\u6cc1\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u4e86\u89e3\u5167\u5b58\u7684\u4f7f\u7528\u72c0\u6cc1\u3002<\/p>\n<h2 id=\"%e9%87%8b%e6%94%be%e5%85%a7%e5%ad%98%e7%9a%84%e6%96%b9%e6%b3%95-mSGcHogITY\">\u91cb\u653e\u5167\u5b58\u7684\u65b9\u6cd5<\/h2>\n<p>\u5982\u679c\u767c\u73fe\u5167\u5b58\u4f7f\u7528\u7387\u904e\u9ad8\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u91cb\u653e\u5167\u5b58\uff1a<\/p>\n<h3 id=\"1-%e7%b5%82%e6%ad%a2%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e9%80%b2%e7%a8%8b-mSGcHogITY\">1. \u7d42\u6b62\u4e0d\u5fc5\u8981\u7684\u9032\u7a0b<\/h3>\n<p>\u4f7f\u7528 <code>top<\/code> \u6216 <code>htop<\/code> \u547d\u4ee4\u67e5\u770b\u7576\u524d\u904b\u884c\u7684\u9032\u7a0b\uff0c\u7136\u5f8c\u7d42\u6b62\u4e0d\u5fc5\u8981\u7684\u9032\u7a0b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7d42\u6b62\u9032\u7a0b\uff1a<\/p>\n<pre><code>kill -9 <\/code><\/pre>\n<p>\u5176\u4e2d <code>&lt;PID&gt;<\/code> \u662f\u9032\u7a0b\u7684 ID\u3002<\/p>\n<h3 id=\"2-%e6%b8%85%e7%90%86%e7%b7%a9%e5%ad%98-mSGcHogITY\">2. \u6e05\u7406\u7de9\u5b58<\/h3>\n<p>Linux \u7cfb\u7d71\u6703\u4f7f\u7528\u672a\u4f7f\u7528\u7684\u5167\u5b58\u4f5c\u70ba\u7de9\u5b58\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u5982\u679c\u9700\u8981\u91cb\u653e\u9019\u90e8\u5206\u5167\u5b58\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sync; echo 3 &gt; \/proc\/sys\/vm\/drop_caches<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u6e05\u7406\u9801\u9762\u7de9\u5b58\u3001\u76ee\u9304\u9805\u548c inode\u3002<\/p>\n<h3 id=\"3-%e5%a2%9e%e5%8a%a0%e4%ba%a4%e6%8f%9b%e7%a9%ba%e9%96%93%ef%bc%88swap%ef%bc%89-mSGcHogITY\">3. \u589e\u52a0\u4ea4\u63db\u7a7a\u9593\uff08Swap\uff09<\/h3>\n<p>\u5982\u679c\u7cfb\u7d71\u7684\u7269\u7406\u5167\u5b58\u4e0d\u8db3\uff0c\u53ef\u4ee5\u8003\u616e\u589e\u52a0\u4ea4\u63db\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5275\u5efa\u4e00\u500b\u65b0\u7684\u4ea4\u63db\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo fallocate -l 1G \/swapfile<\/code><\/pre>\n<pre><code>sudo chmod 600 \/swapfile<\/code><\/pre>\n<pre><code>sudo mkswap \/swapfile<\/code><\/pre>\n<pre><code>sudo swapon \/swapfile<\/code><\/pre>\n<pre><code>echo '\/swapfile none swap sw 0 0' | sudo tee -a \/etc\/fstab<\/code><\/pre>\n<p>\u9019\u6a23\u5c31\u53ef\u4ee5\u589e\u52a0 1GB \u7684\u4ea4\u63db\u7a7a\u9593\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f-mSGcHogITY\">\u512a\u5316\u61c9\u7528\u7a0b\u5e8f<\/h2>\n<p>\u9664\u4e86\u91cb\u653e\u5167\u5b58\u5916\uff0c\u9084\u53ef\u4ee5\u901a\u904e\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u4f86\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u8abf\u6574\u5167\u5b58\u9650\u5236\uff0c\u6216\u4f7f\u7528\u66f4\u8f15\u91cf\u7d1a\u7684\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-mSGcHogITY\">\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u70ba\u4e86\u9632\u6b62\u672a\u4f86\u518d\u6b21\u51fa\u73fe\u5167\u5b58\u4e0d\u8db3\u7684\u554f\u984c\uff0c\u5efa\u8b70\u5b9a\u671f\u76e3\u63a7\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982 <code>Nagios<\/code> \u6216 <code>Zabbix<\/code> \u4f86\u8a2d\u7f6e\u76e3\u63a7\u548c\u8b66\u5831\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mSGcHogITY\">\u7e3d\u7d50<\/h2>\n<p>\u5167\u5b58\u4e0d\u8db3\u662f Linux \u7cfb\u7d71\u4e2d\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3001\u91cb\u653e\u5167\u5b58\u3001\u589e\u52a0\u4ea4\u63db\u7a7a\u9593\u4ee5\u53ca\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5b9a\u671f\u76e3\u63a7\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u4e5f\u80fd\u5e6b\u52a9\u9810\u9632\u672a\u4f86\u7684\u554f\u984c\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9 Linux \u932f\u8aa4\uff1a\u5167\u5b58\u4e0d\u8db3\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\uff0c\u78ba\u4fdd\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-56873","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/56873","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=56873"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/56873\/revisions"}],"predecessor-version":[{"id":56874,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/56873\/revisions\/56874"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=56873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=56873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=56873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}