{"id":17440,"date":"2024-11-18T13:42:52","date_gmt":"2024-11-18T05:42:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17440\/"},"modified":"2024-11-18T13:42:52","modified_gmt":"2024-11-18T05:42:52","slug":"%e6%8e%a2%e7%b4%a2linux%e7%b3%bb%e7%bb%9f%e4%b8%ad%e4%b8%8d%e5%90%8c%e7%94%a8%e6%88%b7id%e7%9a%84%e4%bd%9c%e7%94%a8%e4%b8%8e%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17440\/","title":{"rendered":"\u63a2\u7d22Linux\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7528\u6237ID\u7684\u4f5c\u7528\u4e0e\u533a\u522b"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/170876809324022.jpg\" class=\"aligncenter\" title=\"\u63a2\u7d22Linux\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7528\u6237ID\u7684\u4f5c\u7528\u4e0e\u533a\u522b\u63d2\u56fe\" alt=\"\u63a2\u7d22Linux\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7528\u6237ID\u7684\u4f5c\u7528\u4e0e\u533a\u522b\u63d2\u56fe\" \/><\/p>\n<p>Linux\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u591a\u7528\u6237\u591a\u4efb\u52a1\u7684\u7279\u6027\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u7528\u6237\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u7528\u6237ID\uff08User ID\uff0c\u7b80\u79f0UID\uff09\u6765\u6807\u8bc6\u81ea\u5df1\u3002UID\u662f\u4e00\u4e2a\u7528\u4e8e\u8bc6\u522b\u7528\u6237\u8eab\u4efd\u7684\u6570\u5b57\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7UID\u6765\u8bbf\u95ee\u7cfb\u7edf\u8d44\u6e90\u548c\u6267\u884c\u6743\u9650\u3002\u672c\u6587\u5c06\u63a2\u8ba8Linux\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7528\u6237ID\u7684\u4f5c\u7528\u4e0e\u533a\u522b\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u3002<\/p>\n<p>\u4e00\u3001\u8d85\u7ea7\u7528\u6237\uff08root\u7528\u6237\uff09<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8d85\u7ea7\u7528\u6237\u5373root\u7528\u6237\u62e5\u6709\u6700\u9ad8\u6743\u9650\uff0c\u53ef\u4ee5\u8bbf\u95ee\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u8d44\u6e90\uff0c\u5e76\u6267\u884c\u6240\u6709\u64cd\u4f5c\u3002root\u7528\u6237\u7684UID\u662f0\uff0c\u8fd9\u662fLinux\u7cfb\u7edf\u4e2d\u9884\u7559\u7ed9\u8d85\u7ea7\u7528\u6237\u7684\u7279\u6b8aUID\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0croot\u7528\u6237\u53ef\u4ee5\u6267\u884c\u7cfb\u7edf\u7ba1\u7406\u4efb\u52a1\u3001\u5b89\u88c5\u8f6f\u4ef6\u3001\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u7b49\u64cd\u4f5c\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>$ sudo su\nPassword: \uff08\u8f93\u5165\u5bc6\u7801\uff09\n$ id -u\n0<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e8c\u3001\u666e\u901a\u7528\u6237<\/p>\n<p>\u9664\u4e86root\u7528\u6237\u5916\uff0cLinux\u7cfb\u7edf\u8fd8\u652f\u6301\u521b\u5efa\u666e\u901a\u7528\u6237\u3002\u666e\u901a\u7528\u6237\u7684UID\u901a\u5e38\u662f\u4ece1000\u5f00\u59cb\u5206\u914d\u7684\uff0c\u6bcf\u4e2a\u666e\u901a\u7528\u6237\u90fd\u6709\u81ea\u5df1\u7684UID\u3002\u666e\u901a\u7528\u6237\u62e5\u6709\u7684\u6743\u9650\u53d7\u5230\u7cfb\u7edf\u7ba1\u7406\u5458\u7684\u9650\u5236\uff0c\u4e0d\u80fd\u5bf9\u7cfb\u7edf\u8fdb\u884c\u654f\u611f\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>$ id -u testuser\n1001<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e09\u3001\u7cfb\u7edf\u7528\u6237<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fd8\u5b58\u5728\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u7528\u6237\uff0c\u5373\u7cfb\u7edf\u7528\u6237\u3002\u7cfb\u7edf\u7528\u6237\u901a\u5e38\u7528\u4e8e\u8fd0\u884c\u7cfb\u7edf\u670d\u52a1\u6216\u7a0b\u5e8f\uff0c\u5b83\u4eec\u4e0d\u9700\u8981\u767b\u5f55\u7cfb\u7edf\u3002\u7cfb\u7edf\u7528\u6237\u7684UID\u901a\u5e38\u5c0f\u4e8e1000\uff0c\u5e76\u4e14\u4e0d\u4f1a\u51fa\u73b0\u5728\u767b\u5f55\u754c\u9762\u4e0a\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>$ id -u systemd-resolve\n108<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u56db\u3001\u5207\u6362\u7528\u6237<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528su\u547d\u4ee4\u6216sudo\u547d\u4ee4\u5207\u6362\u7528\u6237\u8eab\u4efd\u3002su\u547d\u4ee4\u7528\u4e8e\u5207\u6362\u5230\u6307\u5b9a\u7528\u6237\u7684\u8d26\u6237\uff0c\u800csudo\u547d\u4ee4\u7528\u4e8e\u4ee5\u5176\u4ed6\u7528\u6237\u7684\u6743\u9650\u6267\u884c\u6307\u5b9a\u547d\u4ee4\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>$ su testuser\nPassword: \uff08\u8f93\u5165\u5bc6\u7801\uff09\n$ id -u\n1001<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e94\u3001\u4fee\u6539\u7528\u6237ID<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528chown\u547d\u4ee4\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u6709\u8005\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u4f7f\u7528chgrp\u547d\u4ee4\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u5c5e\u7ec4\u3002\u901a\u8fc7\u4fee\u6539\u7528\u6237ID\uff0c\u53ef\u4ee5\u6539\u53d8\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u62e5\u6709\u8005\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>$ chown testuser:testuser testfile.txt\n$ ls -l testfile.txt\n-rw-r--r-- 1 testuser testuser 0 Apr 21 12:00 testfile.txt<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u4e0d\u540c\u7528\u6237ID\u5177\u6709\u4e0d\u540c\u7684\u4f5c\u7528\u4e0e\u533a\u522b\u3002root\u7528\u6237\u62e5\u6709\u6700\u9ad8\u6743\u9650\uff0c\u53ef\u4ee5\u6267\u884c\u4efb\u610f\u64cd\u4f5c\uff1b\u666e\u901a\u7528\u6237\u53d7\u5230\u6743\u9650\u9650\u5236\uff0c\u53ea\u80fd\u6267\u884c\u6709\u9650\u7684\u64cd\u4f5c\uff1b\u7cfb\u7edf\u7528\u6237\u901a\u5e38\u7528\u4e8e\u8fd0\u884c\u7cfb\u7edf\u670d\u52a1\uff1b\u901a\u8fc7\u5207\u6362\u7528\u6237\u3001\u4fee\u6539\u7528\u6237ID\u7b49\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7ba1\u7406\u7528\u6237\u7684\u6743\u9650\u4e0e\u8bbf\u95ee\u63a7\u5236\u3002\u6df1\u5165\u4e86\u89e3\u4e0d\u540c\u7528\u6237ID\u7684\u4f5c\u7528\u4e0e\u533a\u522b\u5bf9\u4e8eLinux\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u7ba1\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u63a2\u7d22Linux\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7528\u6237ID\u7684\u4f5c\u7528\u4e0e\u533a\u522b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u591a\u7528\u6237\u591a\u4efb\u52a1\u7684\u7279\u6027\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u7528\u6237\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u7528\u6237ID\uff08User ID\uff0c\u7b80\u79f0UID\uff09\u6765\u6807\u8bc6\u81ea\u5df1\u3002UID\u662f\u4e00\u4e2a\u7528\u4e8e\u8bc6\u522b\u7528\u6237\u8eab\u4efd\u7684\u6570\u5b57\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7UID\u6765\u8bbf\u95ee\u7cfb\u7edf\u8d44\u6e90\u548c\u6267\u884c\u6743\u9650\u3002\u672c\u6587\u5c06\u63a2\u8ba8Linux\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7528\u6237ID\u7684\u4f5c\u7528\u4e0e\u533a\u522b\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u3002 \u4e00\u3001\u8d85\u7ea7\u7528\u6237\uff08root\u7528\u6237\uff09 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8d85\u7ea7\u7528\u6237\u5373root\u7528\u6237\u62e5\u6709\u6700\u9ad8\u6743\u9650\uff0c\u53ef\u4ee5\u8bbf\u95ee\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u8d44\u6e90\uff0c\u5e76\u6267\u884c\u6240\u6709\u64cd\u4f5c\u3002root\u7528\u6237\u7684UID\u662f0\uff0c\u8fd9\u662fLinux\u7cfb\u7edf\u4e2d\u9884\u7559\u7ed9\u8d85\u7ea7\u7528\u6237\u7684\u7279\u6b8aUID\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0croot\u7528\u6237\u53ef\u4ee5\u6267\u884c\u7cfb\u7edf\u7ba1\u7406\u4efb\u52a1\u3001\u5b89\u88c5\u8f6f\u4ef6\u3001\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u7b49\u64cd\u4f5c\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a $ sudo su Password: \uff08\u8f93\u5165\u5bc6\u7801\uff09 $ id -u 0 \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u666e\u901a\u7528\u6237 \u9664\u4e86root\u7528\u6237\u5916\uff0cLinux\u7cfb\u7edf\u8fd8\u652f\u6301\u521b\u5efa\u666e\u901a\u7528\u6237\u3002\u666e\u901a\u7528\u6237\u7684UID\u901a\u5e38\u662f\u4ece1000\u5f00\u59cb\u5206\u914d\u7684\uff0c\u6bcf\u4e2a\u666e\u901a\u7528\u6237\u90fd\u6709\u81ea\u5df1\u7684UID\u3002\u666e\u901a\u7528\u6237\u62e5\u6709\u7684\u6743\u9650\u53d7\u5230\u7cfb\u7edf\u7ba1\u7406\u5458\u7684\u9650\u5236\uff0c\u4e0d\u80fd\u5bf9\u7cfb\u7edf\u8fdb\u884c\u654f\u611f\u7684\u64cd\u4f5c\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a $ id -u testuser 1001 \u767b\u5f55\u540e\u590d\u5236 \u4e09\u3001\u7cfb\u7edf\u7528\u6237 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fd8\u5b58\u5728\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u7528\u6237\uff0c\u5373\u7cfb\u7edf\u7528\u6237\u3002\u7cfb\u7edf\u7528\u6237\u901a\u5e38\u7528\u4e8e\u8fd0\u884c\u7cfb\u7edf\u670d\u52a1\u6216\u7a0b\u5e8f\uff0c\u5b83\u4eec\u4e0d\u9700\u8981\u767b\u5f55\u7cfb\u7edf\u3002\u7cfb\u7edf\u7528\u6237\u7684UID\u901a\u5e38\u5c0f\u4e8e1000\uff0c\u5e76\u4e14\u4e0d\u4f1a\u51fa\u73b0\u5728\u767b\u5f55\u754c\u9762\u4e0a\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a $ id -u systemd-resolve 108 \u767b\u5f55\u540e\u590d\u5236 \u56db\u3001\u5207\u6362\u7528\u6237 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528su\u547d\u4ee4\u6216sudo\u547d\u4ee4\u5207\u6362\u7528\u6237\u8eab\u4efd\u3002su\u547d\u4ee4\u7528\u4e8e\u5207\u6362\u5230\u6307\u5b9a\u7528\u6237\u7684\u8d26\u6237\uff0c\u800csudo\u547d\u4ee4\u7528\u4e8e\u4ee5\u5176\u4ed6\u7528\u6237\u7684\u6743\u9650\u6267\u884c\u6307\u5b9a\u547d\u4ee4\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a $ su testuser Password: \uff08\u8f93\u5165\u5bc6\u7801\uff09 $ id -u 1001 \u767b\u5f55\u540e\u590d\u5236 \u4e94\u3001\u4fee\u6539\u7528\u6237ID \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528chown\u547d\u4ee4\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u6709\u8005\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u4f7f\u7528chgrp\u547d\u4ee4\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u5c5e\u7ec4\u3002\u901a\u8fc7\u4fee\u6539\u7528\u6237ID\uff0c\u53ef\u4ee5\u6539\u53d8\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u62e5\u6709\u8005\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a $ chown testuser:testuser testfile.txt $ ls [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-17440","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=17440"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17440\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}