{"id":10175,"date":"2021-07-10T18:34:16","date_gmt":"2021-07-10T10:34:16","guid":{"rendered":"https:\/\/ailog.tw\/lifelog\/?p=10175"},"modified":"2021-07-10T18:34:16","modified_gmt":"2021-07-10T10:34:16","slug":"linux-swap","status":"publish","type":"post","link":"https:\/\/ailog.tw\/lifelog\/2021\/07\/10\/linux-swap\/","title":{"rendered":"CentOS\/Red Hat\u589e\u52a0swap\u7a7a\u9593"},"content":{"rendered":"<p><span style=\"font-size: 14pt; font-family: verdana, geneva;\">Linux\u6709\u6642\u6703\u9047\u4e0a\u7cfb\u7d71\u7684swap\u7a7a\u9593\u4e0d\u8db3\u9700\u8981\u65b0\u589e\uff0c\u5c0f\u7de8\u4eca\u5929\u8981\u4ecb\u7d39\u5982\u4f55\u5728\u65e2\u6709\u7684\u7cfb\u7d71\u4e2d\u65b0\u589eswap\u7a7a\u9593\u3002<!--more--><strong>01\u3001\u67e5\u770b\u76ee\u524d\u7cfb\u7d71\u7684swap\u72c0\u614b<\/strong><br \/>\nswapon -s<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10176\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-01.png\" alt=\"\" width=\"887\" height=\"69\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-01.png 887w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-01-300x23.png 300w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-01-768x60.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><br \/>\n<\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">02\u3001\u67e5\u770b\u7cfb\u7d71\u78c1\u789f\u72c0\u614b<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">df<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10177\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-02.png\" alt=\"\" width=\"792\" height=\"316\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-02.png 792w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-02-300x120.png 300w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-02-768x306.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">03\u3001\u5efa\u7acb\u4e00\u500b2GB\u7684swap\u6a94\u6848<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">dd if=\/dev\/zero of=\/swapfile bs=1024 count=2048k<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10178\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-03.png\" alt=\"\" width=\"758\" height=\"88\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-03.png 758w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-03-300x35.png 300w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">04\u3001\u521d\u59cb\u5316swap<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">mkswap \/swapfile<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10179\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-04.png\" alt=\"\" width=\"575\" height=\"66\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-04.png 575w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-04-300x34.png 300w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">05\u3001\u555f\u7528swap<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">swapon \/swapfile<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10180\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-05.png\" alt=\"\" width=\"678\" height=\"45\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-05.png 678w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-05-300x20.png 300w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/><\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">06\u3001\u91cd\u65b0\u6aa2\u67e5swap\u72c0\u614b<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">swapon -s<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10181\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-06.png\" alt=\"\" width=\"890\" height=\"87\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-06.png 890w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-06-300x29.png 300w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-06-768x75.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">07\u3001\u8a2d\u5b9a\u958b\u6a5f\u81ea\u52d5\u639b\u8f09swap<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">echo &#8220;\/swapfile swap swap defaults 0 0&#8221; &gt;&gt; \/etc\/fstab<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10182\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-07.png\" alt=\"\" width=\"813\" height=\"45\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-07.png 813w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-07-300x17.png 300w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-07-768x43.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">08\u3001\u8b8a\u66f4swap\u6a94\u6848\u64c1\u6709\u8005<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">chown root:root \/swapfile<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10183\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-08.png\" alt=\"\" width=\"501\" height=\"43\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-08.png 501w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-08-300x26.png 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/span><\/p>\n<p><strong><span style=\"font-size: 14pt; font-family: verdana, geneva;\">09\u3001\u8b8a\u66f4swap\u6a94\u6848\u5b58\u53d6\u6b0a\u9650<\/span><\/strong><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\">chmod 0600 \/swapfile<\/span><br \/>\n<span style=\"font-size: 14pt; font-family: verdana, geneva;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10184\" src=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-09.png\" alt=\"\" width=\"438\" height=\"45\" srcset=\"https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-09.png 438w, https:\/\/ailog.tw\/lifelog\/wp-content\/uploads\/2021\/07\/swapon-09-300x31.png 300w\" sizes=\"auto, (max-width: 438px) 100vw, 438px\" \/><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u6709\u6642\u6703\u9047\u4e0a\u7cfb\u7d71\u7684swap\u7a7a\u9593\u4e0d\u8db3\u9700\u8981\u65b0\u589e\uff0c\u5c0f\u7de8\u4eca\u5929\u8981\u4ecb\u7d39\u5982\u4f55\u5728\u65e2\u6709\u7684\u7cfb\u7d71\u4e2d\u65b0\u589eswap\u7a7a\u9593\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,379],"tags":[4479,121,4476,4477,4478],"class_list":["post-10175","post","type-post","status-publish","format-standard","hentry","category-itinfo","category-linux","tag-centos-red-hatswap","tag-linux","tag-swap","tag-4477","tag-4478"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/10175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/comments?post=10175"}],"version-history":[{"count":1,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/10175\/revisions"}],"predecessor-version":[{"id":10185,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/10175\/revisions\/10185"}],"wp:attachment":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/media?parent=10175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/categories?post=10175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/tags?post=10175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}