{"id":140,"date":"2026-01-22T09:19:41","date_gmt":"2026-01-22T09:19:41","guid":{"rendered":"https:\/\/blog.gpst.net.cn:4008\/?p=140"},"modified":"2026-01-28T06:24:15","modified_gmt":"2026-01-28T06:24:15","slug":"%e4%bf%ae%e6%94%b9-etc-fstab-%e4%b8%ad-dev-shm-%e7%9a%84%e6%8c%82%e8%bd%bd%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/opshub.com.cn\/?p=140","title":{"rendered":"\u4fee\u6539 \/etc\/fstab \u4e2d \/dev\/shm \u7684\u6302\u8f7d\u914d\u7f6e"},"content":{"rendered":"\n<p>1\u3001\u5907\u4efd\/etc\/fstab (\u5173\u952e\uff01\u9632\u6b62\u6539\u9519\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cp \/etc\/fstab \/etc\/fstab.bak.$(date +%Y%m%d)<\/code><\/pre>\n\n\n\n<p>2\u3001\u4fee\u6539 <code>\/etc\/fstab<\/code> \u914d\u7f6e\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u66ff\u6362 \/dev\/shm \u7684\u914d\u7f6e\u884c\uff0c\u8bbe\u7f6e size=10G\nsed -i 's\/^tmpfs \\\/dev\\\/shm tmpfs defaults 0 0\/tmpfs \\\/dev\\\/shm tmpfs defaults,size=10G 0 0\/' \/etc\/fstab<\/code><\/pre>\n\n\n\n<p>3\u3001\u9a8c\u8bc1\u4fee\u6539\u540e\u7684 <code>\/etc\/fstab<\/code>\uff08\u786e\u4fdd\u65e0\u8bed\u6cd5\u9519\u8bef\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat \/etc\/fstab | grep \"\/dev\/shm\"<\/code><\/pre>\n\n\n\n<p>4\u3001\u91cd\u65b0\u6302\u8f7d <code>\/dev\/shm<\/code> \u4f7f\u914d\u7f6e\u751f\u6548<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mount -o remount \/dev\/shm<\/code><\/pre>\n\n\n\n<p>5\u3001\u9a8c\u8bc1\u6302\u8f7d\u7ed3\u679c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>df -h \/dev\/shm<\/code><\/pre>\n\n\n\n<p>\u5173\u952e\u6ce8\u610f\u4e8b\u9879<\/p>\n\n\n\n<p><strong>size \u53c2\u6570\u8303\u56f4<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>size<\/code> \u7684\u503c\u4e0d\u80fd\u8d85\u8fc7\u7cfb\u7edf\u7269\u7406\u5185\u5b58\uff08\u5982\u7269\u7406\u5185\u5b58 8GB\uff0c\u8bbe\u7f6e <code>size=10G<\/code> \u4f1a\u751f\u6548\uff0c\u4f46\u5b9e\u9645\u53ef\u7528\u6700\u5927\u4e3a 8GB\uff09\uff1b<\/li>\n\n\n\n<li>\u5efa\u8bae\u8bbe\u7f6e\u4e3a\u7269\u7406\u5185\u5b58\u7684 50%~100%\uff08\u5982 16GB \u5185\u5b58\u8bbe <code>size=8G<\/code>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u907f\u514d\u8bed\u6cd5\u9519\u8bef<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u914d\u7f6e\u884c\u7684\u5b57\u6bb5\u5206\u9694\u7b26\u662f<strong>\u7a7a\u683c \/ \u5236\u8868\u7b26<\/strong>\uff0c\u4e0d\u80fd\u7528\u9017\u53f7\uff1b<\/li>\n\n\n\n<li><code>defaults,size=10G<\/code> \u662f\u4e00\u4e2a\u5b57\u6bb5\uff08\u6302\u8f7d\u9009\u9879\uff09\uff0c\u540e\u9762\u7684 <code>0 0<\/code> \u662f\u72ec\u7acb\u5b57\u6bb5\uff0c\u4e0d\u80fd\u8fde\u5199\uff08\u5982\u4f60\u4e4b\u524d\u7684 <code>10G0 0<\/code> \u4f1a\u5bfc\u81f4\u6302\u8f7d\u5931\u8d25\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u51fa\u9519\u6062\u590d<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u4fee\u6539\u540e\u6267\u884c <code>mount -o remount \/dev\/shm<\/code> \u62a5\u9519\uff0c\u6216\u7cfb\u7edf\u91cd\u542f\u540e\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\uff0c\u53ef\u8fdb\u5165\u5355\u7528\u6237\u6a21\u5f0f\uff0c\u6267\u884c\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>cp \/etc\/fstab.bak.20260122 \/etc\/fstab\nmount -o remount \/dev\/shm<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u5907\u4efd\/etc\/fstab (\u5173\u952e\uff01\u9632\u6b62\u6539\u9519\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8) 2\u3001\u4fee\u6539 \/etc\/fstab \u914d\u7f6e\u884c 3\u3001\u9a8c\u8bc1\u4fee\u6539\u540e\u7684 \/etc\/fstab\uff08\u786e\u4fdd\u65e0\u8bed\u6cd5\u9519\u8bef\uff09 4\u3001\u91cd\u65b0\u6302\u8f7d \/dev\/shm \u4f7f\u914d\u7f6e\u751f\u6548 5\u3001\u9a8c\u8bc1\u6302\u8f7d\u7ed3\u679c \u5173\u952e\u6ce8\u610f\u4e8b\u9879 size \u53c2\u6570\u8303\u56f4\uff1a \u907f\u514d\u8bed\u6cd5\u9519\u8bef\uff1a \u51fa\u9519\u6062\u590d\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-140","post","type-post","status-publish","format-standard","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=140"}],"version-history":[{"count":1,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/140\/revisions"}],"predecessor-version":[{"id":141,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/140\/revisions\/141"}],"wp:attachment":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}