{"id":104,"date":"2019-12-03T10:03:06","date_gmt":"2019-12-03T02:03:06","guid":{"rendered":"https:\/\/www.harryjee.com\/wordpress\/?p=104"},"modified":"2020-01-19T10:05:35","modified_gmt":"2020-01-19T02:05:35","slug":"centos-8-%e5%bb%ba%e7%ab%8bswap%e6%aa%94%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.harryjee.com\/wordpress\/centos-8-%e5%bb%ba%e7%ab%8bswap%e6%aa%94%e6%a1%88\/","title":{"rendered":"CentOS 8 \u5efa\u7acbSWAP\u6a94\u6848"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u78b0\u5230\u96e3\u984c\u662f\u5728GPC\u5efa\u7acb\u4e86\u514d\u8cbb\u7684GPE\uff0c\u4f46\u662f\u514d\u8cbb\u689d\u4ef6\u4e0b\u8a18\u61b6\u9ad4\u53ea\u80fd600MB\uff0c\u53ea\u80fd\u62ff\u786c\u789f\u4f86\u5efa\u7acbSWAP\u6a94\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u662f\u5426\u5df2\u7d93\u6709swap\u4ea4\u63db\u7a7a\u9593<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>free -m<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u986f\u793a\u51fa0\u4ea4\u63db\u7a7a\u9593<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>              total        used        free      shared  buff\/cache   available\nMem:            600        300         20         100        180\nSwap:             0           0          0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"> \u73fe\u5728\u6211\u5011\u9700\u8981\u5efa\u7acb\u4e00\u500b4GB\u7684swap\u6a94\u6848\uff0c\u4f46\u662f\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u503c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dd if=\/dev\/zero of=\/swap count=4096 bs=1MiB<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u6b0a\u9650<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 600 \/swap<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u683c\u5f0f\u5316swap\u6a94<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mkswap \/swap<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u555f\u7528swap\u6a94<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>swapon \/swap<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"> \u8981\u4f7fswap\u5728\u91cd\u65b0\u555f\u52d5\u5f8c\u81ea\u52d5\u639b\u8f09\uff0c\u4ee5\u4e0b\u547d\u4ee4\u6703\u5c07\u5176\u589e\u52a0\u5230\u60a8\u7684fstab\u914d\u7f6e\u4e2d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"\/swap swap swap sw 0 0\" >> \/etc\/fstab<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"> swapon -s \u8ddf free -m \u8207 top \u90fd\u53ef\u4ee5\u770b\u5230\u73fe\u5728\u865b\u64ec\u8a18\u61b6\u9ad4\u7684\u72c0\u614b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u78b0\u5230\u96e3\u984c\u662f\u5728GPC\u5efa\u7acb\u4e86\u514d\u8cbb\u7684GPE\uff0c\u4f46\u662f\u514d\u8cbb\u689d\u4ef6\u4e0b\u8a18\u61b6\u9ad4\u53ea\u80fd600MB\uff0c\u53ea\u80fd\u62ff\u786c\u789f\u4f86\u5efa\u7acbSWAP\u6a94\u4e86\u3002 \u5148\u7528&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[10,7],"tags":[],"class_list":["post-104","post","type-post","status-publish","format-standard","hentry","category-system","category-virtualization"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CentOS 8 \u5efa\u7acbSWAP\u6a94\u6848 - \u8cca\u8239<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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