{"id":3142,"date":"2018-02-16T12:32:00","date_gmt":"2018-02-16T04:32:00","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=3142"},"modified":"2018-02-16T12:32:00","modified_gmt":"2018-02-16T04:32:00","slug":"centos%e7%b3%bb%e7%bb%9f%e5%88%9b%e5%bb%ba%e6%96%b0%e7%94%a8%e6%88%b7","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/centos%e7%b3%bb%e7%bb%9f%e5%88%9b%e5%bb%ba%e6%96%b0%e7%94%a8%e6%88%b7\/","title":{"rendered":"CentOS\u7cfb\u7edf\u521b\u5efa\u65b0\u7528\u6237"},"content":{"rendered":"<p><strong>\u521b\u5efa\u65b0\u7528\u6237<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u53ebxiaoming\u7684\u7528\u6237\uff1a<\/p>\n<p>[root@192 ~]# adduser xiaoming<\/p>\n<p>\u4e3a\u8fd9\u4e2a\u7528\u6237\u521d\u59cb\u5316\u5bc6\u7801\uff0clinux\u4f1a\u5224\u65ad\u5bc6\u7801\u590d\u6742\u5ea6\uff0c\u4e0d\u8fc7\u53ef\u4ee5\u5f3a\u884c\u5ffd\u7565\uff1a<\/p>\n<p>[root@192 ~]# passwd xiaoming<br \/>\n\u66f4\u6539\u7528\u6237 xiaoming \u7684\u5bc6\u7801 \u3002<br \/>\n\u65b0\u7684 \u5bc6\u7801\uff1a<br \/>\n\u65e0\u6548\u7684\u5bc6\u7801\uff1a \u5bc6\u7801\u5c11\u4e8e 8 \u4e2a\u5b57\u7b26<br \/>\n\u91cd\u65b0\u8f93\u5165\u65b0\u7684 \u5bc6\u7801\uff1a<br \/>\npasswd\uff1a\u6240\u6709\u7684\u8eab\u4efd\u9a8c\u8bc1\u4ee4\u724c\u5df2\u7ecf\u6210\u529f\u66f4\u65b0\u3002<\/p>\n<p><strong>\u4e3a\u65b0\u521b\u5efa\u7684\u7528\u6237\u6388\u6743<\/strong><\/p>\n<p>\u4e2a\u4eba\u7528\u6237\u7684\u6743\u9650\u53ea\u53ef\u4ee5\u5728\u672chome\u4e0b\u6709\u5b8c\u6574\u6743\u9650\uff0c\u5176\u4ed6\u76ee\u5f55\u8981\u770b\u522b\u4eba\u6388\u6743\u3002\u800c\u7ecf\u5e38\u9700\u8981root\u7528\u6237\u7684\u6743\u9650\uff0c\u8fd9\u65f6\u5019sudo\u53ef\u4ee5\u5316\u8eab\u4e3aroot\u6765\u64cd\u4f5c\u3002sudo\u521b\u5efa\u6587\u4ef6\uff0c\u7136\u540e\u53d1\u73b0\u5e76\u6ca1\u6709\u8bfb\u5199\u6743\u9650\uff0c\u56e0\u4e3a\u67e5\u770b\u6743\u9650\u662froot\u521b\u5efa\u7684\u3002<\/p>\n<p>\u65b0\u521b\u5efa\u7684\u7528\u6237\u5e76\u4e0d\u80fd\u4f7f\u7528sudo\u547d\u4ee4\uff0c\u9700\u8981\u7ed9\u4ed6\u6dfb\u52a0\u6388\u6743\u3002<\/p>\n<p>sudo\u547d\u4ee4\u7684\u6388\u6743\u7ba1\u7406\u662f\u5728sudoers\u6587\u4ef6\u91cc\u7684\u3002\u53ef\u4ee5\u770b\u770bsudoers\uff1a<\/p>\n<p>[root@192 ~]# sudoers<br \/>\n-bash: sudoers: \u672a\u627e\u5230\u547d\u4ee4<br \/>\n[root@192 ~]# whereis sudoers<br \/>\nsudoers: \/etc\/sudoers \/etc\/sudoers.d \/usr\/share\/man\/man5\/sudoers.5.gz<\/p>\n<p>\u67e5\u770b\u8be5\u6587\u4ef6\u7684\u76ee\u5f55\u7684\u6743\u9650\uff1a<\/p>\n<p>[root@192 ~]# ls -l \/etc\/sudoers<br \/>\n-r&#8211;r&#8212;&#8211;. 1 root root 3938 6\u6708 7 2017 \/etc\/sudoers<\/p>\n<p>\u53ea\u6709\u53ea\u8bfb\u7684\u6743\u9650\uff0c\u5982\u679c\u60f3\u8981\u4fee\u6539\u7684\u8bdd\uff0c\u9700\u8981\u5148\u6dfb\u52a0w\u6743\u9650\uff1a<\/p>\n<p>[root@192 ~]# chmod -v u+w \/etc\/sudoers<br \/>\nmode of &#8220;\/etc\/sudoers&#8221; changed from 0440 (r&#8211;r&#8212;&#8211;) to 0640 (rw-r&#8212;&#8211;)<\/p>\n<p>\u7136\u540e\u6dfb\u52a0\u5185\u5bb9\uff0c\u5728\u4e0b\u9762\u4e00\u884c\u8ffd\u52a0\u65b0\u7528\u6237\uff1a<\/p>\n<p>vi \/etc\/sudoers<\/p>\n<div class=\"cnblogs_code\">\n<pre>## Allow root to run any commands anywhere  \r\nroot    ALL=(ALL)       ALL  \r\nxiaoming  ALL=(ALL)       ALL  #\u8fd9\u4e2a\u662f\u65b0\u589e\u7684\u7528\u6237<\/pre>\n<\/div>\n<p>\u7136\u540e\u5c06\/etc\/sudoers\u7684\u6743\u9650\u6536\u56de\uff1a<\/p>\n<p>[root@192 ~]# chmod -v u-w \/etc\/sudoers<br \/>\nmode of &#8220;\/etc\/sudoers&#8221; changed from 0640 (rw-r&#8212;&#8211;) to 0440 (r&#8211;r&#8212;&#8211;)<\/p>\n<p>\u6700\u540e\u767b\u5f55\u521a\u521a\u521b\u5efa\u7684\u7528\u6237\uff1a<\/p>\n<p>[root@192 ~]# su &#8211; xiaoming<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u521b\u5efa\u65b0\u7528\u6237 \u521b\u5efa\u4e00\u4e2a\u53ebxiaoming\u7684\u7528\u6237\uff1a [root@192 ~]# adduser xiaoming  &#8230; <a title=\"CentOS\u7cfb\u7edf\u521b\u5efa\u65b0\u7528\u6237\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/centos%e7%b3%bb%e7%bb%9f%e5%88%9b%e5%bb%ba%e6%96%b0%e7%94%a8%e6%88%b7\/\" aria-label=\"\u9605\u8bfb CentOS\u7cfb\u7edf\u521b\u5efa\u65b0\u7528\u6237\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,49,5],"tags":[82],"class_list":["post-3142","post","type-post","status-publish","format-standard","hentry","category-hemanual","category-linux","category-jishu","tag-centos"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=3142"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3142\/revisions"}],"predecessor-version":[{"id":3143,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3142\/revisions\/3143"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=3142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=3142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=3142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}