{"id":44836,"date":"2024-10-06T18:33:13","date_gmt":"2024-10-06T10:33:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44836\/"},"modified":"2024-10-06T18:33:13","modified_gmt":"2024-10-06T10:33:13","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9asu-%e6%9b%bf%e6%8f%9b%e7%94%a8%e6%88%b6%e8%ba%ab%e4%bb%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44836\/","title":{"rendered":"Linux \u547d\u4ee4\uff1asu &#8211; \u66ff\u63db\u7528\u6236\u8eab\u4efd"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9asu-%e6%9b%bf%e6%8f%9b%e7%94%a8%e6%88%b6%e8%ba%ab%e4%bb%bd-jOIlshRNeX\">Linux \u547d\u4ee4\uff1asu &#8211; \u66ff\u63db\u7528\u6236\u8eab\u4efd<\/h1>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u7ba1\u7406\u7528\u6236\u548c\u6b0a\u9650\u662f\u7cfb\u7d71\u7ba1\u7406\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u7576\u9700\u8981\u4ee5\u4e0d\u540c\u7528\u6236\u7684\u8eab\u4efd\u57f7\u884c\u547d\u4ee4\u6642\uff0c<code>su<\/code> \u547d\u4ee4\u4fbf\u6210\u70ba\u4e86\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>su -<\/code> \u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u80cc\u5f8c\u7684\u539f\u7406\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-su-%e5%91%bd%e4%bb%a4%ef%bc%9f-jOIlshRNeX\">\u4ec0\u9ebc\u662f su \u547d\u4ee4\uff1f<\/h2>\n<p><code>su<\/code> \u662f &#8220;substitute user&#8221; \u7684\u7e2e\u5beb\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u767b\u51fa\u7576\u524d\u6703\u8a71\u7684\u60c5\u6cc1\u4e0b\uff0c\u5207\u63db\u5230\u53e6\u4e00\u500b\u7528\u6236\u7684\u8eab\u4efd\u3002\u9019\u5728\u9700\u8981\u4ee5\u7ba1\u7406\u54e1\u6216\u5176\u4ed6\u7528\u6236\u7684\u8eab\u4efd\u57f7\u884c\u7279\u5b9a\u4efb\u52d9\u6642\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"su-%e7%9a%84%e4%bd%bf%e7%94%a8-jOIlshRNeX\">su &#8211; \u7684\u4f7f\u7528<\/h2>\n<p>\u7576\u4f7f\u7528 <code>su<\/code> \u547d\u4ee4\u6642\uff0c\u901a\u5e38\u6703\u6709\u5169\u7a2e\u5f62\u5f0f\uff1a<\/p>\n<ul>\n<li><code>su [username]<\/code>\uff1a\u5207\u63db\u5230\u6307\u5b9a\u7528\u6236\u7684\u8eab\u4efd\uff0c\u4f46\u4e0d\u6703\u52a0\u8f09\u8a72\u7528\u6236\u7684\u74b0\u5883\u8b8a\u6578\u3002<\/li>\n<li><code>su - [username]<\/code>\uff1a\u5207\u63db\u5230\u6307\u5b9a\u7528\u6236\u7684\u8eab\u4efd\uff0c\u4e26\u52a0\u8f09\u8a72\u7528\u6236\u7684\u74b0\u5883\u8b8a\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u8a72\u7528\u6236\u7684\u5b8c\u6574\u74b0\u5883\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5207\u63db\u5230\u7528\u6236 <code>john<\/code> \u7684\u8eab\u4efd\u4e26\u52a0\u8f09\u5176\u74b0\u5883\u8b8a\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>su - john<\/code><\/pre>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8-su-%ef%bc%9f-jOIlshRNeX\">\u70ba\u4ec0\u9ebc\u4f7f\u7528 su -\uff1f<\/h2>\n<p>\u4f7f\u7528 <code>su -<\/code> \u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u80fd\u5920\u63d0\u4f9b\u5b8c\u6574\u7684\u7528\u6236\u74b0\u5883\u3002\u9019\u610f\u5473\u8457\u7576\u4f60\u5207\u63db\u5230\u53e6\u4e00\u500b\u7528\u6236\u6642\uff0c\u6240\u6709\u8207\u8a72\u7528\u6236\u76f8\u95dc\u7684\u74b0\u5883\u8b8a\u6578\u3001\u8def\u5f91\u8a2d\u7f6e\u548c\u914d\u7f6e\u6587\u4ef6\u90fd\u6703\u88ab\u52a0\u8f09\u3002\u9019\u5c0d\u65bc\u9700\u8981\u57f7\u884c\u7279\u5b9a\u7528\u6236\u7684\u61c9\u7528\u7a0b\u5e8f\u6216\u8173\u672c\u6642\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-su-%e5%88%87%e6%8f%9b%e7%94%a8%e6%88%b6-jOIlshRNeX\">\u793a\u4f8b\uff1a\u4f7f\u7528 su &#8211; \u5207\u63db\u7528\u6236<\/h3>\n<p>\u5047\u8a2d\u4f60\u662f\u4e00\u540d\u7cfb\u7d71\u7ba1\u7406\u54e1\uff0c\u4e26\u4e14\u9700\u8981\u4ee5 <code>root<\/code> \u7528\u6236\u7684\u8eab\u4efd\u57f7\u884c\u67d0\u4e9b\u7ba1\u7406\u4efb\u52d9\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>su -<\/code><\/pre>\n<p>\u7cfb\u7d71\u6703\u63d0\u793a\u4f60\u8f38\u5165 <code>root<\/code> \u7528\u6236\u7684\u5bc6\u78bc\u3002\u6210\u529f\u767b\u9304\u5f8c\uff0c\u4f60\u5c07\u9032\u5165 <code>root<\/code> \u7528\u6236\u7684\u74b0\u5883\uff0c\u4e26\u53ef\u4ee5\u57f7\u884c\u9700\u8981\u7ba1\u7406\u6b0a\u9650\u7684\u547d\u4ee4\u3002<\/p>\n<h3 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jOIlshRNeX\">\u6ce8\u610f\u4e8b\u9805<\/h3>\n<p>\u5728\u4f7f\u7528 <code>su -<\/code> \u547d\u4ee4\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u4f60\u64c1\u6709\u5207\u63db\u5230\u76ee\u6a19\u7528\u6236\u7684\u6b0a\u9650\uff0c\u5426\u5247\u7cfb\u7d71\u5c07\u62d2\u7d55\u8a2a\u554f\u3002<\/li>\n<li>\u4f7f\u7528 <code>su -<\/code> \u5207\u63db\u5230 <code>root<\/code> \u7528\u6236\u6642\uff0c\u8acb\u8b39\u614e\u64cd\u4f5c\uff0c\u56e0\u70ba\u4e0d\u7576\u7684\u547d\u4ee4\u53ef\u80fd\u6703\u5c0d\u7cfb\u7d71\u9020\u6210\u640d\u5bb3\u3002<\/li>\n<li>\u5728\u67d0\u4e9b Linux \u767c\u884c\u7248\u4e2d\uff0c<code>sudo<\/code> \u547d\u4ee4\u53ef\u80fd\u662f\u66f4\u5b89\u5168\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u5141\u8a31\u7528\u6236\u4ee5\u7279\u5b9a\u6b0a\u9650\u57f7\u884c\u547d\u4ee4\uff0c\u800c\u7121\u9700\u5b8c\u5168\u5207\u63db\u7528\u6236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-jOIlshRNeX\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c<code>su -<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5728 Linux \u7cfb\u7d71\u4e2d\u9748\u6d3b\u5730\u5207\u63db\u7528\u6236\u8eab\u4efd\u3002\u7121\u8ad6\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\u9084\u662f\u666e\u901a\u7528\u6236\uff0c\u638c\u63e1\u9019\u4e00\u547d\u4ee4\u90fd\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u548c\u7cfb\u7d71\u7ba1\u7406\u80fd\u529b\u3002\u5c0d\u65bc\u9700\u8981\u5728\u9999\u6e2f\u9032\u884c <a href=\"https:\/\/server.hk\">VPS<\/a> \u8a17\u7ba1\u7684\u7528\u6236\uff0c\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u547d\u4ee4\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u4f3a\u670d\u5668\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Linux \u547d\u4ee4 &#8220;su -&#8221; \u7684\u7528\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u66ff\u63db\u7528\u6236\u8eab\u4efd\u4ee5\u7372\u53d6\u4e0d\u540c\u6b0a\u9650\u548c\u8a2a\u554f\u7cfb\u7d71\u8cc7\u6e90\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44836","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44836"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44836\/revisions"}],"predecessor-version":[{"id":44837,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44836\/revisions\/44837"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}