{"id":144,"date":"2018-03-20T20:39:45","date_gmt":"2018-03-20T12:39:45","guid":{"rendered":"http:\/\/kkong.net\/?p=144"},"modified":"2018-03-25T10:58:30","modified_gmt":"2018-03-25T02:58:30","slug":"%e4%b8%badebian%e5%a2%9e%e5%8a%a0swap","status":"publish","type":"post","link":"https:\/\/kkong.net\/?p=144","title":{"rendered":"\u4e3adebian\u589e\u52a0swap"},"content":{"rendered":"<p>\u7ed9linux\u589e\u52a0swap\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c1\u662f\u589e\u52a0swap\u6587\u4ef6\uff0c2\u662f\u589e\u52a0swap\u5206\u533a\u3002\u5177\u4f53\u6839\u636e\u4f60\u7684\u73af\u5883\u64cd\u4f5c\u3002<\/p>\n<h3>1.Swap\u6587\u4ef6\u6cd5<\/h3>\n<p>\u8fd9\u4e2a\u4e3b\u8981\u662f\u90e8\u5206vps\u7b49\uff08\u6bd4\u5982AWS\u3001\u963f\u91cc\u4e91\u7b49\uff09\u53ea\u6709\u4e00\u4e2a\u786c\u76d8\u4e00\u4e2a\u5206\u533a\uff0c\u800c\u4e14\u5df2\u7ecf\u88c5\u6709\u6570\u636e\u4e0d\u597d\u8fdb\u884c\u5206\u533a\u64cd\u4f5c\u7684\u65f6\u5019\u4f7f\u7528\uff1a<\/p>\n<p>\u4ee5\u4e0b\u547d\u4ee4\u5355\u884c\u6267\u884c\uff0c\u9ed8\u8ba4root\u6743\u9650\u3002<\/p>\n<p class=\"p1\">dd <span class=\"hljs-keyword\">if<\/span>=\/dev\/zero of=\/swapfile bs=<span class=\"hljs-number\">1<\/span>M count=<span class=\"hljs-number\">1024<\/span> <span class=\"hljs-comment\">\/\/\u5728\u6839\u76ee\u5f55\u521b\u5efa\u4e00\u4e2a1GB\u7684swapfile\u6587\u4ef6<\/span><\/p>\n<p class=\"p1\">chmod <span class=\"hljs-number\">600<\/span> \/swapfile\u00a0<span class=\"hljs-comment\">\/\/\u8d4b\u4e88\u8be5\u6587\u4ef6\u6743\u9650<\/span><\/p>\n<p class=\"p1\">mkswap \/swapfile\u00a0<span class=\"hljs-comment\">\/\/\u5c06\u8be5\u6587\u4ef6\u8bbe\u5b9a\u4e3aswap\u6587\u4ef6<\/span><\/p>\n<p class=\"p1\">swapon \/swapfile\u00a0<span class=\"hljs-comment\">\/\/\u5c06swapfile1\u5e94\u7528\u7ed9OS<\/span><\/p>\n<p class=\"p1\">swapon -s <span class=\"hljs-comment\">\/\/\u68c0\u67e5\u662f\u5426\u5df2\u7ecf\u5e94\u7528\u4e86swap<\/span><\/p>\n<hr \/>\n<p>\u5982\u679c\u80fd\u6b63\u5e38\u770b\u5230swap\u589e\u52a0\u4e86\u7684\u8bdd\u8bf4\u660e\u5df2\u7ecf\u6210\u529f\u4e86\uff0c\u4f46\u662f\u7531\u4e8e\u8fd9\u4e2a\u53ea\u662f\u5f53\u524d\u7684\u64cd\u4f5c\uff0c\u8fd8\u9700\u8981\u589e\u52a0\u5f00\u673a\u81ea\u52a8\u6302\u8f7d\uff1a<\/p>\n<p class=\"p1\">cp \/etc\/fstab \/etc\/fstab.mybackup <span class=\"hljs-comment\">\/\/\u5907\u4efdfstab\u8bbe\u7f6e\u6587\u4ef6<\/span><\/p>\n<p class=\"p1\">echo \/swapfile swap swap\u00a0defaults <span class=\"hljs-number\">0<\/span> <span class=\"hljs-number\">0<\/span> &gt;&gt; <span class=\"hljs-regexp\">\/etc\/<\/span>fstab <span class=\"hljs-comment\">\/\/\u5c06swapfile1\u81ea\u52a8\u6302\u8f7d\u5199\u5165fstab\u6587\u4ef6\u91cc<\/span><\/p>\n<p class=\"p1\">reboot <span class=\"hljs-comment\">\/\/\u91cd\u542f<\/span><\/p>\n<hr \/>\n<p>\u7136\u540e\u53ef\u4ee5\u901a\u8fc7swapon -s\u6216\u8005free -m\u67e5\u770bSwap\u662f\u5426\u6b63\u5e38\u6302\u8f7d\uff0c\u7cfb\u7edfswap\u5bb9\u91cf\u662f\u5426\u6709\u589e\u52a0\u3002<\/p>\n<p>2.Swap\u5206\u533a\u6cd5<br \/>\n\u8fd9\u4e2a\u4e3b\u8981\u662f\u9488\u5bf9\u5df2\u7ecf\u521b\u5efa\u4e86\u72ec\u7acb\u7684swap\u5206\u533a\u5e76\u4e14\u5df2\u7ecf\u6302\u8f7d\uff0c\u6bd4\u5982linode\u4e2d\u65b0\u5efa\u4e86Disks\u5e76\u4e14\u5728Confinguration Profie\u91cc\u6302\u8f7d\u4e86\u8be5\u5206\u533a\u3002\u64cd\u4f5c\u57fa\u672c\u548c\u6587\u4ef6\u5dee\u4e0d\u591a\uff0c\u53ea\u662f\u8fd9\u6b21\u662f\u76f4\u63a5\u5c06\u5206\u533a\u8bbe\u7f6e\u6210swap\u7136\u540e\u81ea\u52a8\u6302\u8f7d\u3002<\/p>\n<p>\u4ee5\u4e0b\u547d\u4ee4\u5355\u884c\u6267\u884c\uff0c\u9ed8\u8ba4root\u6743\u9650\uff0c\u8bbe\u65b0\u5efa\u7684swap\u5206\u533a\u4e3a\/dev\/sdc\u3002<\/p>\n<p>mkswap \/dev\/sdc \/\/\u5c06\u8be5\u5206\u533a\u8bbe\u5b9a\u4e3aswap\u5206\u533a<\/p>\n<p>swapon \/dev\/sdc \/\/\u5c06sdc\u5206\u533a\u5e94\u7528\u7ed9OS\u7684Swap<\/p>\n<p>swapon -s \/\/\u68c0\u67e5\u662f\u5426\u5df2\u7ecf\u5e94\u7528\u4e86swap<\/p>\n<p>\u5982\u679c\u80fd\u6b63\u5e38\u770b\u5230swap\u589e\u52a0\u4e86\u7684\u8bdd\u8bf4\u660e\u5df2\u7ecf\u6210\u529f\u4e86\uff0c\u540c\u6837\u7684\u7531\u4e8e\u8fd9\u4e2a\u53ea\u662f\u5f53\u524d\u7684\u64cd\u4f5c\uff0c\u8fd8\u9700\u8981\u589e\u52a0\u5f00\u673a\u81ea\u52a8\u6302\u8f7d\uff1a<\/p>\n<p class=\"p1\">cp \/etc\/fstab \/etc\/fstab.mybackup <span class=\"hljs-comment\">\/\/\u5907\u4efdfstab\u8bbe\u7f6e\u6587\u4ef6<\/span><\/p>\n<p class=\"p1\">echo \/dev\/sdc swap swap defaults <span class=\"hljs-number\">0<\/span> <span class=\"hljs-number\">0<\/span> &gt;&gt; <span class=\"hljs-regexp\">\/etc\/<\/span>fstab <span class=\"hljs-comment\">\/\/\u5c06\/dev\/sdc\u81ea\u52a8\u6302\u8f7d\u6210Swap\u5199\u5165fstab\u6587\u4ef6\u91cc<\/span><\/p>\n<p class=\"p1\">reboot <span class=\"hljs-comment\">\/\/\u91cd\u542f<\/span><\/p>\n<p>\u7136\u540e\u53ef\u4ee5\u901a\u8fc7swapon -s\u6216\u8005free -m\u67e5\u770bSwap\u662f\u5426\u6b63\u5e38\u6302\u8f7d\uff0c\u7cfb\u7edfswap\u5bb9\u91cf\u662f\u5426\u6709\u589e\u52a0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9linux\u589e\u52a0swap\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c1\u662f\u589e\u52a0swap\u6587\u4ef6\uff0c2\u662f\u589e\u52a0swap\u5206\u533a\u3002\u5177\u4f53\u6839\u636e\u4f60\u7684\u73af\u5883\u64cd\u4f5c\u3002 1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[16,15],"_links":{"self":[{"href":"https:\/\/kkong.net\/index.php?rest_route=\/wp\/v2\/posts\/144"}],"collection":[{"href":"https:\/\/kkong.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kkong.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kkong.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kkong.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=144"}],"version-history":[{"count":2,"href":"https:\/\/kkong.net\/index.php?rest_route=\/wp\/v2\/posts\/144\/revisions"}],"predecessor-version":[{"id":160,"href":"https:\/\/kkong.net\/index.php?rest_route=\/wp\/v2\/posts\/144\/revisions\/160"}],"wp:attachment":[{"href":"https:\/\/kkong.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kkong.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kkong.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}