{"id":241,"date":"2024-08-26T11:57:01","date_gmt":"2024-08-26T03:57:01","guid":{"rendered":"http:\/\/znl.pub\/?p=241"},"modified":"2024-08-26T11:57:01","modified_gmt":"2024-08-26T03:57:01","slug":"%e5%9c%a8-linux-%e4%b8%8b%e5%a6%82%e4%bd%95%e4%bb%a5%e6%b2%a1%e6%9c%89%e9%85%8d%e7%bd%ae-shell-%e6%88%96-shell-%e4%b8%ba-sbin-nologin-%e7%9a%84%e7%94%a8%e6%88%b7%e8%ba%ab%e4%bb%bd%e6%89%a7%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/znl.pub\/?p=241","title":{"rendered":"\u5728 Linux \u4e0b\u5982\u4f55\u4ee5\u6ca1\u6709\u914d\u7f6e shell \u6216 shell \u4e3a \/sbin\/nologin \u7684\u7528\u6237\u8eab\u4efd\u6267\u884c\u547d\u4ee4"},"content":{"rendered":"

\u5904\u4e8e\u5b89\u5168\u8003\u8651\uff0cLinux\u4e0b\u6709\u5f88\u591a\u6ca1\u6709\u5206\u914dshell\u7684\u7528\u6237\uff0c\u6216\u8005\u5e72\u8106shell\u88ab\u8bbe\u7f6e\u4e3a \/sbin\/nologin\u3002\u5173\u4e8e\u8fd9\u4e00\u70b9\u53ef\u4ee5cat \/etc\/password \u770b\u4e00\u4e0b\u3002
\n\/sbin\/nologin \u662f\u4e00\u4e2a\u7279\u6b8a\u7684 shell\uff0c\u901a\u5e38\u7528\u4e8e\u975e\u4ea4\u4e92\u5f0f\u7528\u6237\u8d26\u6237\u3002\u8fd9\u610f\u5473\u7740\u7528\u6237\u4e0d\u80fd\u767b\u5f55\u5e76\u6267\u884c\u547d\u4ee4\u884c\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6bd4\u5982\u7cfb\u7edf\u7ef4\u62a4\u6216\u8c03\u8bd5\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4ee5\u8fd9\u6837\u7684\u7528\u6237\u8eab\u4efd\u6267\u884c\u4e00\u4e9b\u547d\u4ee4\u3002<\/p>\n

\u6267\u884c\u547d\u4ee4\u7684\u65b9\u6cd5<\/h1>\n

\u5373\u4f7f\u7528\u6237\u88ab\u914d\u7f6e\u4e3a\u4f7f\u7528 \/sbin\/nologin \u6216\u8005\u6ca1\u6709 shell\uff0c\u6211\u4eec\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u65b9\u5f0f\u6765\u6267\u884c\u547d\u4ee4\uff0c\u5177\u4f53\u7684\u539f\u7406\u5c31\u662f\u4f7f\u7528su \u547d\u4ee4\u7684 -s\u53c2\u6570\uff08\u5f97root\u6743\u9650\u4e0b\u6267\u884c,root\u4e0b\u5207\u666e\u901a\u7528\u6237\u4e0d\u9700\u8981\u5bc6\u7801<\/strong>\uff09\u3002
\n\u6bd4\u5982\u73b0\u5728\u6211\u60f3\u770b\u4e00\u4e0b elasticsearch \u7528\u6237\u7a7a\u95f4\u4e0b\u7684 ulimit -a\u5b9e\u9645\u90fd\u662f\u600e\u4e48\u6837\u7684\uff08\u914d\u7f6e\u7684\u4f18\u5316\u6709\u6ca1\u6709\u751f\u6548\u554a\uff1f\uff09\uff0c\u6211\u9996\u5148\u60f3\u5230\u7684\u529e\u6cd5\u662f\u4ee5elasticsearch\u7684\u8eab\u4efd\u8c03\u7528\u4ee5\u4e0b\u8fd9\u4e2a\u6307\u4ee4\uff1a<\/p>\n

znl.pub:~# su -s \/bin\/sh   elasticsearch -c  \"ulimit -a\"\ncore file size          (blocks, -c) 0\ndata seg size           (kbytes, -d) unlimited\nscheduling priority             (-e) 0\nfile size               (blocks, -f) unlimited\npending signals                 (-i) 770948\nmax locked memory       (kbytes, -l) 64\nmax memory size         (kbytes, -m) unlimited\nopen files                      (-n) 65535\npipe size            (512 bytes, -p) 8\nPOSIX message queues     (bytes, -q) 819200\nreal-time priority              (-r) 0\nstack size              (kbytes, -s) 8192\ncpu time               (seconds, -t) unlimited\nmax user processes              (-u) 770948\nvirtual memory          (kbytes, -v) unlimited\nfile locks                      (-x) unlimited<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5904\u4e8e\u5b89\u5168\u8003\u8651\uff0cLinux\u4e0b\u6709\u5f88\u591a\u6ca1\u6709\u5206\u914dshell\u7684\u7528\u6237\uff0c\u6216\u8005\u5e72\u8106shell\u88ab\u8bbe\u7f6e\u4e3a \/sbin\/nologi…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,12],"tags":[],"class_list":["post-241","post","type-post","status-publish","format-standard","hentry","category-linux","category-linux-use"],"_links":{"self":[{"href":"https:\/\/znl.pub\/index.php?rest_route=\/wp\/v2\/posts\/241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/znl.pub\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/znl.pub\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/znl.pub\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/znl.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=241"}],"version-history":[{"count":1,"href":"https:\/\/znl.pub\/index.php?rest_route=\/wp\/v2\/posts\/241\/revisions"}],"predecessor-version":[{"id":242,"href":"https:\/\/znl.pub\/index.php?rest_route=\/wp\/v2\/posts\/241\/revisions\/242"}],"wp:attachment":[{"href":"https:\/\/znl.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/znl.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/znl.pub\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}