{"id":44702,"date":"2024-10-06T17:32:13","date_gmt":"2024-10-06T09:32:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44702\/"},"modified":"2024-10-06T17:32:13","modified_gmt":"2024-10-06T09:32:13","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9afree-%e9%a1%af%e7%a4%ba%e7%b3%bb%e7%b5%b1%e4%b8%ad%e7%9a%84%e7%a9%ba%e9%96%92%e5%92%8c%e5%b7%b2%e7%94%a8%e5%85%a7%e5%ad%98%e9%87%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44702\/","title":{"rendered":"Linux \u547d\u4ee4\uff1afree &#8211; \u986f\u793a\u7cfb\u7d71\u4e2d\u7684\u7a7a\u9592\u548c\u5df2\u7528\u5167\u5b58\u91cf"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9afree-%e9%a1%af%e7%a4%ba%e7%b3%bb%e7%b5%b1%e4%b8%ad%e7%9a%84%e7%a9%ba%e9%96%92%e5%92%8c%e5%b7%b2%e7%94%a8%e5%85%a7%e5%ad%98%e9%87%8f-dwoBaOkTfr\">Linux \u547d\u4ee4\uff1afree &#8211; \u986f\u793a\u7cfb\u7d71\u4e2d\u7684\u7a7a\u9592\u548c\u5df2\u7528\u5167\u5b58\u91cf<\/h1>\n<p>\u5728\u4f7f\u7528 Linux \u7cfb\u7d71\u6642\uff0c\u4e86\u89e3\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5167\u5b58\u7684\u7ba1\u7406\u76f4\u63a5\u5f71\u97ff\u5230\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002Linux \u63d0\u4f9b\u4e86\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u547d\u4ee4\u2014\u2014<code>free<\/code>\uff0c\u7528\u65bc\u986f\u793a\u7cfb\u7d71\u4e2d\u7684\u7a7a\u9592\u548c\u5df2\u7528\u5167\u5b58\u91cf\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u547d\u4ee4\u7684\u7528\u6cd5\u53ca\u5176\u8f38\u51fa\u7d50\u679c\u7684\u89e3\u8b80\u3002<\/p>\n<h2>1. <code>free<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u5728\u7d42\u7aef\u4e2d\u8f38\u5165\u4ee5\u4e0b\u547d\u4ee4\u5373\u53ef\u67e5\u770b\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>free<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u7684\u57fa\u672c\u683c\u5f0f\u975e\u5e38\u7c21\u55ae\uff0c\u4f46\u5b83\u63d0\u4f9b\u7684\u4fe1\u606f\u537b\u975e\u5e38\u8c50\u5bcc\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u9078\u9805\u4f86\u7372\u53d6\u66f4\u8a73\u7d30\u7684\u6578\u64da\u3002<\/p>\n<h2>2. <code>free<\/code> \u547d\u4ee4\u7684\u5e38\u7528\u9078\u9805<\/h2>\n<ul>\n<li><code>-h<\/code>\uff1a\u4ee5\u4eba\u985e\u53ef\u8b80\u7684\u683c\u5f0f\u986f\u793a\u5167\u5b58\u5927\u5c0f\uff08\u4f8b\u5982\uff0cMB \u6216 GB\uff09\u3002<\/li>\n<li><code>-m<\/code>\uff1a\u4ee5 MB \u70ba\u55ae\u4f4d\u986f\u793a\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<li><code>-g<\/code>\uff1a\u4ee5 GB \u70ba\u55ae\u4f4d\u986f\u793a\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<li>&lt;code&#8211;si<\/code>\uff1a\u4f7f\u7528 1000 \u70ba\u57fa\u6578\uff0c\u800c\u4e0d\u662f 1024\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u4ee5\u4eba\u985e\u53ef\u8b80\u7684\u683c\u5f0f\u986f\u793a\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>free -h<\/code><\/pre>\n<h2>3. <code>free<\/code> \u547d\u4ee4\u7684\u8f38\u51fa\u89e3\u8b80<\/h2>\n<p>\u57f7\u884c <code>free<\/code> \u547d\u4ee4\u5f8c\uff0c\u901a\u5e38\u6703\u770b\u5230\u5982\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre>\n              total        used        free      shared  buff\/cache   available\nMem:        15874        1234        4567        1234        8900       13456\nSwap:        2048         0          2048\n<\/pre>\n<p>\u9019\u4e9b\u5217\u7684\u542b\u7fa9\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>total<\/strong>\uff1a\u7cfb\u7d71\u7e3d\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>used<\/strong>\uff1a\u5df2\u7528\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>free<\/strong>\uff1a\u7a7a\u9592\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>shared<\/strong>\uff1a\u591a\u500b\u9032\u7a0b\u5171\u4eab\u7684\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>buff\/cache<\/strong>\uff1a\u7528\u65bc\u7de9\u5b58\u548c\u7de9\u885d\u7684\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>available<\/strong>\uff1a\u53ef\u7528\u5167\u5b58\u91cf\uff0c\u9019\u662f\u7cfb\u7d71\u53ef\u4ee5\u7528\u4f86\u5206\u914d\u7d66\u65b0\u9032\u7a0b\u7684\u5167\u5b58\u91cf\u3002<\/li>\n<\/ul>\n<p>\u5728 <code>Swap<\/code> \u90e8\u5206\uff0c<strong>total<\/strong>\u3001<strong>used<\/strong> \u548c <strong>free<\/strong> \u5206\u5225\u8868\u793a\u4ea4\u63db\u5340\u7684\u7e3d\u91cf\u3001\u5df2\u7528\u91cf\u548c\u7a7a\u9592\u91cf\u3002<\/p>\n<h2 id=\"4-%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-dwoBaOkTfr\">4. \u5167\u5b58\u7ba1\u7406\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5167\u5b58\u662f\u8a08\u7b97\u6a5f\u7cfb\u7d71\u4e2d\u81f3\u95dc\u91cd\u8981\u7684\u8cc7\u6e90\u4e4b\u4e00\u3002\u6709\u6548\u7684\u5167\u5b58\u7ba1\u7406\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u6e1b\u5c11\u5ef6\u9072\uff0c\u4e26\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u904b\u884c\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684\u554f\u984c\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h2 id=\"5-%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-dwoBaOkTfr\">5. \u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u5047\u8a2d\u4f60\u5728\u904b\u884c\u4e00\u500b Web \u4f3a\u670d\u5668\uff0c\u4e26\u4e14\u767c\u73fe\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>free -h<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u5982\u679c\u767c\u73fe <strong>used<\/strong> \u548c <strong>buff\/cache<\/strong> \u7684\u503c\u904e\u9ad8\uff0c\u800c <strong>available<\/strong> \u7684\u503c\u904e\u4f4e\uff0c\u9019\u53ef\u80fd\u610f\u5473\u8457\u9700\u8981\u589e\u52a0\u5167\u5b58\u6216\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dwoBaOkTfr\">\u7e3d\u7d50<\/h2>\n<p>Linux \u7684 <code>free<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u4e86\u89e3\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u638c\u63e1\u9019\u500b\u547d\u4ee4\u7684\u7528\u6cd5\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Linux \u547d\u4ee4 `free` \u4f86\u986f\u793a\u7cfb\u7d71\u4e2d\u7684\u7a7a\u9592\u548c\u5df2\u7528\u5167\u5b58\u91cf\uff0c\u5e6b\u52a9\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\u548c\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\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-44702","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44702","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=44702"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44702\/revisions"}],"predecessor-version":[{"id":44703,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44702\/revisions\/44703"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}