{"id":9275,"date":"2022-12-10T15:08:58","date_gmt":"2022-12-10T07:08:58","guid":{"rendered":"https:\/\/www.hefeiyu.com\/?p=9275"},"modified":"2022-12-10T17:42:41","modified_gmt":"2022-12-10T09:42:41","slug":"useradd-failure-while-writing-changes-to-etc-passwd","status":"publish","type":"post","link":"https:\/\/www.hefeiyu.com\/?p=9275","title":{"rendered":"useradd: failure while writing changes to \/etc\/passwd"},"content":{"rendered":"<p>\u5728\u4e00\u6b21\u670d\u52a1\u5668\u7a81\u7136\u505c\u7535\u540e\u7684\u7b2c\u4e8c\u5929\uff0c\u5982\u5e38\u4e0a\u73ed\u3002\u6765\u4e86\u4e2a\u65b0\u4eba\u5165\u804c\u8981ERP\u8d26\u53f7\u3002\u8fd9\u6ca1\u8bf4\u7684\uff0c\u5f00\u5de5\uff01\u719f\u7ec3\u767b\u9646ERP\u540e\u53f0\uff0c\u767b\u9646root\u8d26\u6237\uff0c\u8f93\u5165\u65b0\u5efa\u7528\u6237\u547d\u4ee4\uff1a<span style=\"background-color: #999999;\">adduser hfy_test1<\/span>\uff0c\u4e00\u76f4\u6b63\u5e38\u5de5\u4f5c\u7684\u7cfb\u7edf\u7a81\u7136\u8ddf\u6211\u8bf4\uff1a<\/p>\n<p><span style=\"color: #ff0000;\">useradd: failure while writing changes to \/etc\/passwd<\/span>\u00a0 \u3002\u5982\u4e0b\u56fe\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"809\" height=\"63\" class=\"alignnone wp-image-9276 size-full\" src=\"https:\/\/www.hefeiyu.com\/wp-content\/uploads\/2022\/12\/Pasted.png\" srcset=\"https:\/\/www.hefeiyu.com\/wp-content\/uploads\/2022\/12\/Pasted.png 809w, https:\/\/www.hefeiyu.com\/wp-content\/uploads\/2022\/12\/Pasted-768x60.png 768w\" sizes=\"auto, (max-width: 809px) 100vw, 809px\" \/><\/p>\n<p>\u5413\u7684\u6211\u8d76\u7d27\u68c0\u67e5\u4e00\u4e0b\u662f\u4e0d\u662f\u767b\u9646\u9519\u7528\u6237\u4e86\uff0c\u4e00\u770b\u524d\u9762 root@APServer \uff0c\u6ca1\u9519\u3002\u4e8e\u662f\u95ee\u4e86\u5ea6\u5a18\u3002\u7b54\u6848\u5982\u4e0b\uff1a<\/p>\n<p>\u53ef\u80fd1\uff1a\u8d26\u6237\u6743\u9650\u4e0d\u8db3\u3002\u00a0 \u00a0&#8212;- \u6211\u662froot \u7528\u6237\uff0c\u5f53\u7136\u662f\u6709\u6743\u9650\u7684\u3002 \u6392\u9664\uff01<\/p>\n<p>\u53ef\u80fd2\uff1a\u7a7a\u95f4\u5b8c\u5168\u6ee1\u4e86\uff0c\u4e00\u4e2a\u5b57\u8282\u90fd\u653e\u4e0d\u4e0b\u3002 &#8212;- \u6211<span style=\"background-color: #999999;\">df &#8211; h<\/span>\u4e86\u4e00\u4e0b\uff0c\u6709\u7a7a\u95f4\u3002\u6392\u9664\uff01<\/p>\n<p>\u53ef\u80fd3\uff1a\/etc\/passwd \uff1b\u88ab\u8d4b\u4e88\u4e86\u53ea\u8bfb\u3002\u6240\u4ee5\u68c0\u67e5\u6587\u4ef6\u662f\u4e0d\u662f\u52a0\u4e86i\u5c5e\u6027\u5bfc\u81f4\u7684\u3002\u5728\/etc\u4e0b\u8f93\u5165\u547d\u4ee4 <span style=\"background-color: #999999;\">lsattr \/etc\/passwd<\/span><\/p>\n<p>\u770b\u4e0b\u4f1a\u4e0d\u4f1a\u51fa\u73b0 \u201c<span style=\"background-color: #999999;\">&#8212;&#8211;i&#8212;&#8212;-e&#8211; \/etc\/passwd<\/span>\u201d \u8fd9\u6837\u7684\u60c5\u51b5\u3002\u6211\u8bd5\u4e00\u4e0b\uff0c\u5982\u4e0b\u56fe<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"null\">[root@APServer etc]# lsattr \/etc\/passwd\r\n-------------e-- \/etc\/passwd<\/code><\/pre>\n<p>&#8212; &#8212; \u53ea\u6709\u4e00\u4e2ae\uff0c\u662f\u6b63\u5e38\u7684\uff0c\u6392\u9664\uff01 PS\uff1a\u5982\u679c\u6709\uff0c\u79fb\u9664\u7684\u547d\u4ee4\u662f\uff1a<span style=\"background-color: #999999;\">chattr -i \/etc\/passwd<\/span><\/p>\n<p>\u53ef\u80fd4\uff1a\u5f00\u542f\u53d1selinux \uff0c\u5bfc\u81f4\u6743\u9650\u4e0d\u8db3\u3002\u68c0\u67e5\u4e00\u4e0b<span style=\"background-color: #999999;\">vi \/etc\/selinux\/config<\/span>\uff0c\u770bSELINUX\u662f\u5426\u4e3aenable\uff0c\u5982\u679c\u662f\uff0c\u5c31\u8868\u793a\u7684\u786e\u5f00\u542f\u4e86\u3002\u90a3\u5c31\u628a\u5b83\u5173\u6389\u3002\u4fee\u6539<span style=\"background-color: #999999;\">vi \/etc\/selinux\/config<\/span>\uff0c\u5c06SELINUX\u6539\u4e3adisabled<\/p>\n<p>&#8212;- \u6211\u68c0\u67e5\u4e86\u4e00\u4e0b\uff0c\u6211\u8fd9\u672c\u6765\u5c31\u662fdisabled\uff0c\u6240\u4ee5\u6ca1\u6709\u5f00\u542f\u3002 \u6392\u9664\uff01<\/p>\n<p>\u53ef\u80fd5\uff1a\u5b89\u88c5\u4ec0\u4e48\u5b89\u5168\u8f6f\u4ef6\uff0c\/etc\/passwd\u6587\u4ef6\u6ca1\u6709\u6dfb\u52a0\u4f8b\u5916\uff0c\u88ab\u5217\u5165\u4fdd\u62a4\u4e86\u3002<\/p>\n<p>\u6bd4\u5982\u5b89\u88c5\u4e86 \u4e91\u9501\uff0cIPGuard \u52a0\u5bc6 \u7b49\u3002\u00a0 &#8212;- \u6211\u7528\u4e0d\u8d77\u8fd9\u4e9b\u4e1c\u897f\u3002 \u6392\u9664\uff01<\/p>\n<p>\u53ef\u80fd6\uff1a\u591a\u51fa\u4e00\u4e2apasswd.lock\u6587\u4ef6\u5bfc\u81f4 \uff1b\u539f\u56e0\u53ef\u80fd\u662f\u4e4b\u524d\u4f7f\u7528\u5230\u8fd9\u4e2a\u6587\u4ef6\u65f6\u6ca1\u6709\u6b63\u5e38\u5173\u95ed\uff08\u7a81\u7136\u65ad\u7535\uff09\uff0c\u5bfc\u81f4\u6b64\u6587\u4ef6\u4e00\u76f4\u88ab\u9501\u4e86\u3002<\/p>\n<p>\u8fdb\u5165\/etc\u76ee\u5f55\uff0c\u68c0\u67e5\u547d\u4ee4\uff1a<span style=\"background-color: #999999;\">ls -al<\/span> (\u67e5\u8be2\u6240\u6709\u6587\u4ef6\uff0c\u5305\u62ec\u540e\u7f00\u6587\u4ef6) \u662f\u5426\u5b58\u5728<strong>\/etc\/passwd.lock<\/strong> \u6216\u8005 <strong>pwd.lock <\/strong>\u7684\u6587\u4ef6\uff1b<\/p>\n<p>\u547d\u4ee4\u4e00\u4e0a\uff0c\u679c\u7136\u53d1\u73b0\u4e86\u8fd9\u4e2a\u6587\u4ef6\uff1a<img loading=\"lazy\" decoding=\"async\" width=\"1006\" height=\"235\" class=\"alignnone wp-image-9277 size-full\" src=\"https:\/\/www.hefeiyu.com\/wp-content\/uploads\/2022\/12\/Pasted-1.png\" srcset=\"https:\/\/www.hefeiyu.com\/wp-content\/uploads\/2022\/12\/Pasted-1.png 1006w, https:\/\/www.hefeiyu.com\/wp-content\/uploads\/2022\/12\/Pasted-1-768x179.png 768w\" sizes=\"auto, (max-width: 1006px) 100vw, 1006px\" \/><\/p>\n<p>\u89e3\u51b3\u65b9\u6848\uff0c\u5e72\u6389\u5b83\uff01<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"658\" height=\"53\" class=\"alignnone wp-image-9278 size-full\" src=\"https:\/\/www.hefeiyu.com\/wp-content\/uploads\/2022\/12\/Pasted-2.png\" \/><\/p>\n<p>\u5220\u9664\u5b8c\u6210\u540e\uff0c\u6700\u597d\u91cd\u542f\u4e00\u4e0b\u3002\u6709\u79cd\u60c5\u51b5\uff0c\u518d\u53bb\u5efa\u7acb\u7528\u6237\u65f6\u53c8\u7ed9\u4f60\u751f\u6210\u4e86\u3002<\/p>\n<p>\u518d\u53bb\u5efa\u7acb\u7528\u6237\u3002\u4e00\u5207\u6b63\u5e38\u4e86\u3002 \u539f\u56e0\u561b\uff0c\u5e94\u8be5\u5c31\u662f\u7a81\u7136\u65ad\u7535\u5173\u673a\u5f15\u8d77\u7684\u3002<\/p>\n<p>\u672c\u6545\u4e8b\u5b8c\uff01<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.hefeiyu.com\">\u8d6b\u975e\u57df<\/a> &raquo; <a href=\"https:\/\/www.hefeiyu.com\/?p=9275\">useradd: failure while writing changes to \/etc\/passwd<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e00\u6b21\u670d\u52a1\u5668\u7a81\u7136\u505c\u7535\u540e\u7684\u7b2c\u4e8c\u5929\uff0c\u5982\u5e38\u4e0a\u73ed\u3002\u6765\u4e86\u4e2a\u65b0\u4eba\u5165\u804c\u8981ERP\u8d26\u53f7\u3002\u8fd9\u6ca1\u8bf4\u7684\uff0c\u5f00\u5de5\uff01\u719f\u7ec3\u767b\u9646ERP\u540e\u53f0\uff0c\u767b\u9646root\u8d26\u6237\uff0c\u8f93\u5165\u65b0\u5efa\u7528\u6237\u547d\u4ee4\uff1aadduser hfy_test1\uff0c\u4e00\u76f4\u6b63\u5e38\u5de5\u4f5c\u7684\u7cfb\u7edf\u7a81\u7136\u8ddf\u6211\u8bf4\uff1a useradd: failure whi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,490,19],"tags":[1087,1086,1088],"class_list":["post-9275","post","type-post","status-publish","format-standard","hentry","category-unix","category-490","category-ecology-","tag-failure","tag-useradd","tag-while"],"_links":{"self":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/9275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9275"}],"version-history":[{"count":7,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/9275\/revisions"}],"predecessor-version":[{"id":9285,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/9275\/revisions\/9285"}],"wp:attachment":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}