{"id":43454,"date":"2024-10-05T17:46:30","date_gmt":"2024-10-05T09:46:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43454\/"},"modified":"2024-10-05T17:46:30","modified_gmt":"2024-10-05T09:46:30","slug":"centos-linux-%e5%ae%89%e8%a3%9d%e5%be%8c%e6%b7%bb%e5%8a%a0-swap-%e5%88%86%e5%8d%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43454\/","title":{"rendered":"CentOS Linux \u5b89\u88dd\u5f8c\u6dfb\u52a0 SWAP \u5206\u5340"},"content":{"rendered":"<h1 id=\"centos-linux-%e5%ae%89%e8%a3%9d%e5%be%8c%e6%b7%bb%e5%8a%a0-swap-%e5%88%86%e5%8d%80-IAQKSKIoHU\">CentOS Linux \u5b89\u88dd\u5f8c\u6dfb\u52a0 SWAP \u5206\u5340<\/h1>\n<p>\u5728\u4f7f\u7528 CentOS Linux \u7cfb\u7d71\u6642\uff0cSWAP \u5206\u5340\u7684\u914d\u7f6e\u5c0d\u65bc\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002SWAP \u5206\u5340\u53ef\u4ee5\u4f5c\u70ba\u7269\u7406\u5167\u5b58\u7684\u64f4\u5c55\uff0c\u7576\u7cfb\u7d71\u5167\u5b58\u4e0d\u8db3\u6642\uff0cSWAP \u53ef\u4ee5\u5e6b\u52a9\u9632\u6b62\u7cfb\u7d71\u5d29\u6f70\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS \u5b89\u88dd\u5f8c\u6dfb\u52a0 SWAP \u5206\u5340\u7684\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-swap-%e5%88%86%e5%8d%80%ef%bc%9f-IAQKSKIoHU\">\u4ec0\u9ebc\u662f SWAP \u5206\u5340\uff1f<\/h2>\n<p>SWAP \u5206\u5340\u662f\u4e00\u7a2e\u865b\u64ec\u5167\u5b58\u6280\u8853\uff0c\u5141\u8a31\u64cd\u4f5c\u7cfb\u7d71\u5c07\u4e0d\u6d3b\u8e8d\u7684\u5167\u5b58\u9801\u9762\u79fb\u52d5\u5230\u786c\u789f\u4e0a\uff0c\u4ee5\u91cb\u653e\u7269\u7406\u5167\u5b58\u4f9b\u5176\u4ed6\u9032\u7a0b\u4f7f\u7528\u3002\u9019\u5c0d\u65bc\u904b\u884c\u5167\u5b58\u5bc6\u96c6\u578b\u61c9\u7528\u7a0b\u5e8f\u7684\u4f3a\u670d\u5668\u7279\u5225\u91cd\u8981\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d-swap-%e8%a8%ad%e7%bd%ae-IAQKSKIoHU\">\u6aa2\u67e5\u7576\u524d SWAP \u8a2d\u7f6e<\/h2>\n<p>\u5728\u6dfb\u52a0\u65b0\u7684 SWAP \u5206\u5340\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684 SWAP \u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684 SWAP \u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>swapon --show<\/code><\/pre>\n<p>\u5982\u679c\u6c92\u6709\u986f\u793a\u4efb\u4f55\u5167\u5bb9\uff0c\u5247\u8868\u793a\u7cfb\u7d71\u76ee\u524d\u6c92\u6709\u555f\u7528 SWAP\u3002<\/p>\n<h2 id=\"%e5%89%b5%e5%bb%ba-swap-%e5%88%86%e5%8d%80-IAQKSKIoHU\">\u5275\u5efa SWAP \u5206\u5340<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5275\u5efa\u4e00\u500b\u65b0\u7684 SWAP \u5206\u5340\u3002\u5047\u8a2d\u6211\u5011\u8981\u5275\u5efa\u4e00\u500b\u5927\u5c0f\u70ba 2GB \u7684 SWAP \u6587\u4ef6\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba-swap-%e6%96%87%e4%bb%b6-IAQKSKIoHU\">1. \u5275\u5efa SWAP \u6587\u4ef6<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b 2GB \u7684 SWAP \u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo fallocate -l 2G \/swapfile<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u7684\u7cfb\u7d71\u4e0d\u652f\u6301 fallocate\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 dd \u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo dd if=\/dev\/zero of=\/swapfile bs=1G count=2<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%ac%8a%e9%99%90-IAQKSKIoHU\">2. \u8a2d\u7f6e\u6b63\u78ba\u7684\u6b0a\u9650<\/h3>\n<p>\u70ba\u4e86\u5b89\u5168\u8d77\u898b\uff0c\u60a8\u9700\u8981\u8a2d\u7f6e SWAP \u6587\u4ef6\u7684\u6b0a\u9650\uff0c\u4ee5\u9632\u6b62\u975e\u7279\u6b0a\u7528\u6236\u8a2a\u554f\uff1a<\/p>\n<pre><code>sudo chmod 600 \/swapfile<\/code><\/pre>\n<h3 id=\"3-%e6%a0%bc%e5%bc%8f%e5%8c%96-swap-%e6%96%87%e4%bb%b6-IAQKSKIoHU\">3. \u683c\u5f0f\u5316 SWAP \u6587\u4ef6<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5c07\u8a72\u6587\u4ef6\u683c\u5f0f\u5316\u70ba SWAP \u683c\u5f0f\uff1a<\/p>\n<pre><code>sudo mkswap \/swapfile<\/code><\/pre>\n<h3 id=\"4-%e5%95%9f%e7%94%a8-swap-%e6%96%87%e4%bb%b6-IAQKSKIoHU\">4. \u555f\u7528 SWAP \u6587\u4ef6<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u7528 SWAP \u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo swapon \/swapfile<\/code><\/pre>\n<h3 id=\"5-%e7%a2%ba%e8%aa%8d-swap-%e6%98%af%e5%90%a6%e5%95%9f%e7%94%a8-IAQKSKIoHU\">5. \u78ba\u8a8d SWAP \u662f\u5426\u555f\u7528<\/h3>\n<p>\u518d\u6b21\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 SWAP \u662f\u5426\u5df2\u6210\u529f\u555f\u7528\uff1a<\/p>\n<pre><code>swapon --show<\/code><\/pre>\n<h2 id=\"%e4%bd%bf-swap-%e8%a8%ad%e7%bd%ae%e6%b0%b8%e4%b9%85%e7%94%9f%e6%95%88-IAQKSKIoHU\">\u4f7f SWAP \u8a2d\u7f6e\u6c38\u4e45\u751f\u6548<\/h2>\n<p>\u70ba\u4e86\u78ba\u4fdd\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c SWAP \u6587\u4ef6\u4ecd\u7136\u53ef\u7528\uff0c\u60a8\u9700\u8981\u5c07\u5176\u6dfb\u52a0\u5230 \/etc\/fstab \u6587\u4ef6\u4e2d\u3002\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b\u8a72\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo nano \/etc\/fstab<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>\/swapfile swap swap defaults 0 0<\/code><\/pre>\n<p>\u4fdd\u5b58\u4e26\u9000\u51fa\u7de8\u8f2f\u5668\u3002\u9019\u6a23\uff0cSWAP \u6587\u4ef6\u5c07\u5728\u6bcf\u6b21\u555f\u52d5\u6642\u81ea\u52d5\u52a0\u8f09\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IAQKSKIoHU\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS Linux \u7cfb\u7d71\u4e2d\u6dfb\u52a0 SWAP \u5206\u5340\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u904e\u7a0b\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5275\u5efa\u548c\u914d\u7f6e SWAP \u6587\u4ef6\uff0c\u78ba\u4fdd\u7cfb\u7d71\u5728\u5167\u5b58\u4e0d\u8db3\u6642\u4e0d\u6703\u5d29\u6f70\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u904b\u884c\u7684\u4f3a\u670d\u5668\uff0c\u9019\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u96f2\u4f3a\u670d\u5668\u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS Linux \u5b89\u88dd\u5f8c\u6dfb\u52a0 SWAP \u5206\u5340\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u7c21\u55ae\u6b65\u9a5f\u8f15\u9b06\u5b8c\u6210\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-43454","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43454","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=43454"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43454\/revisions"}],"predecessor-version":[{"id":43455,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43454\/revisions\/43455"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}