{"id":211579,"date":"2023-12-22T10:19:26","date_gmt":"2023-12-22T02:19:26","guid":{"rendered":"https:\/\/www.idc.net\/help\/211579\/"},"modified":"2023-12-22T10:19:26","modified_gmt":"2023-12-22T02:19:26","slug":"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e7%bb%b4%e6%8a%a4%e6%9c%80%e5%b0%91%e7%9a%84%e7%94%a8%e6%88%b7%e8%b4%a6%e6%88%b7","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211579\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237"},"content":{"rendered":"<p><title id=\"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e7%bb%b4%e6%8a%a4%e6%9c%80%e5%b0%91%e7%9a%84%e7%94%a8%e6%88%b7%e8%b4%a6%e6%88%b7-aHuQdVwSUH\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237<\/title><\/p>\n<h1 id=\"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e7%bb%b4%e6%8a%a4%e6%9c%80%e5%b0%91%e7%9a%84%e7%94%a8%e6%88%b7%e8%b4%a6%e6%88%b7-aHuQdVwSUH\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237<\/h1>\n<p>\u5728Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u65b9\u9762\uff0c\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237\u662f\u4e00\u9879\u91cd\u8981\u7684\u7b56\u7565\u3002\u901a\u8fc7\u51cf\u5c11\u7528\u6237\u8d26\u6237\u7684\u6570\u91cf\uff0c\u53ef\u4ee5\u964d\u4f4e\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\uff0c\u5e76\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u6574\u4f53\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u6280\u5de7\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u60a8\u5728Linux\u670d\u52a1\u5668\u4e0a\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237\u3002<\/p>\n<h2 id=\"1-%e5%88%a0%e9%99%a4%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e9%bb%98%e8%ae%a4%e8%b4%a6%e6%88%b7-aHuQdVwSUH\">1. \u5220\u9664\u4e0d\u5fc5\u8981\u7684\u9ed8\u8ba4\u8d26\u6237<\/h2>\n<p>\u5728\u5b89\u88c5Linux\u64cd\u4f5c\u7cfb\u7edf\u65f6\uff0c\u901a\u5e38\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e9b\u9ed8\u8ba4\u8d26\u6237\uff0c\u5982root\u3001guest\u7b49\u3002\u8fd9\u4e9b\u8d26\u6237\u53ef\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u56e0\u6b64\u5e94\u8be5\u53ca\u65f6\u5220\u9664\u6216\u7981\u7528\u5b83\u4eec\u3002\u7279\u522b\u662froot\u8d26\u6237\uff0c\u5b83\u5177\u6709\u6700\u9ad8\u6743\u9650\uff0c\u662f\u9ed1\u5ba2\u653b\u51fb\u7684\u4e3b\u8981\u76ee\u6807\u3002<\/p>\n<p>\u8981\u5220\u9664\u6216\u7981\u7528\u8fd9\u4e9b\u9ed8\u8ba4\u8d26\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo userdel -r username\nsudo passwd -l username\n<\/code><\/pre>\n<h2 id=\"2-%e9%99%90%e5%88%b6%e7%94%a8%e6%88%b7%e8%b4%a6%e6%88%b7%e7%9a%84%e6%9d%83%e9%99%90-aHuQdVwSUH\">2. \u9650\u5236\u7528\u6237\u8d26\u6237\u7684\u6743\u9650<\/h2>\n<p>\u4e3a\u4e86\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e94\u8be5\u6839\u636e\u7528\u6237\u7684\u89d2\u8272\u548c\u804c\u8d23\u6765\u9650\u5236\u4ed6\u4eec\u7684\u6743\u9650\u3002\u53ea\u6709\u5fc5\u8981\u7684\u7528\u6237\u624d\u5e94\u8be5\u5177\u6709\u7ba1\u7406\u5458\u6743\u9650\uff0c\u5176\u4ed6\u7528\u6237\u5e94\u8be5\u88ab\u9650\u5236\u4e3a\u666e\u901a\u7528\u6237\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u6f5c\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u548c\u9519\u8bef\u64cd\u4f5c\u3002<\/p>\n<p>\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7528\u6237\u8d26\u6237\uff0c\u5e76\u9650\u5236\u5176\u6743\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo adduser username\nsudo usermod -aG sudo username\n<\/code><\/pre>\n<h2 id=\"3-%e5%ae%9a%e6%9c%9f%e5%ae%a1%e6%9f%a5%e5%92%8c%e5%88%a0%e9%99%a4%e4%b8%8d%e6%b4%bb%e8%b7%83%e7%9a%84%e8%b4%a6%e6%88%b7-aHuQdVwSUH\">3. \u5b9a\u671f\u5ba1\u67e5\u548c\u5220\u9664\u4e0d\u6d3b\u8dc3\u7684\u8d26\u6237<\/h2>\n<p>\u5b9a\u671f\u5ba1\u67e5\u548c\u5220\u9664\u4e0d\u6d3b\u8dc3\u7684\u7528\u6237\u8d26\u6237\u662f\u7ef4\u62a4\u6700\u5c11\u7528\u6237\u8d26\u6237\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u4e0d\u6d3b\u8dc3\u7684\u8d26\u6237\u53ef\u80fd\u6210\u4e3a\u9ed1\u5ba2\u653b\u51fb\u7684\u76ee\u6807\uff0c\u56e0\u4e3a\u5b83\u4eec\u901a\u5e38\u6ca1\u6709\u53ca\u65f6\u66f4\u65b0\u548c\u7ef4\u62a4\u3002<\/p>\n<p>\u8981\u67e5\u627e\u4e0d\u6d3b\u8dc3\u7684\u8d26\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo lastlog -b 90\n<\/code><\/pre>\n<p>\u6839\u636e\u9700\u8981\uff0c\u60a8\u53ef\u4ee5\u9009\u62e9\u5220\u9664\u6216\u7981\u7528\u8fd9\u4e9b\u4e0d\u6d3b\u8dc3\u7684\u8d26\u6237\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%bc%ba%e5%af%86%e7%a0%81%e7%ad%96%e7%95%a5-aHuQdVwSUH\">4. \u4f7f\u7528\u5f3a\u5bc6\u7801\u7b56\u7565<\/h2>\n<p>\u5f3a\u5bc6\u7801\u7b56\u7565\u662f\u4fdd\u62a4\u7528\u6237\u8d26\u6237\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u901a\u8fc7\u8981\u6c42\u7528\u6237\u4f7f\u7528\u590d\u6742\u7684\u5bc6\u7801\uff0c\u53ef\u4ee5\u964d\u4f4e\u5bc6\u7801\u88ab\u731c\u6d4b\u6216\u7834\u89e3\u7684\u98ce\u9669\u3002<\/p>\n<p>\u8981\u8bbe\u7f6e\u5f3a\u5bc6\u7801\u7b56\u7565\uff0c\u53ef\u4ee5\u7f16\u8f91\/etc\/pam.d\/common-password\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>password    requisite    pam_cracklib.so retry=3 minlen=8 difok=3 ucredit=-1 lcredit=-1 dcredit=-1 ocredit=-1\n<\/code><\/pre>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e6%9b%b4%e6%96%b0%e5%92%8c%e5%8d%87%e7%ba%a7%e7%b3%bb%e7%bb%9f-aHuQdVwSUH\">5. \u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7\u7cfb\u7edf<\/h2>\n<p>\u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7\u7cfb\u7edf\u662f\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u7684\u5173\u952e\u6b65\u9aa4\u3002\u66f4\u65b0\u548c\u5347\u7ea7\u53ef\u4ee5\u4fee\u590d\u5df2\u77e5\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u5e76\u63d0\u4f9b\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\u3002<\/p>\n<p>\u8981\u66f4\u65b0\u548c\u5347\u7ea7\u7cfb\u7edf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt upgrade\n<\/code><\/pre>\n<p>\u603b\u7ed3\uff1a<\/p>\n<p>\u901a\u8fc7\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u9ed8\u8ba4\u8d26\u6237\uff0c\u9650\u5236\u7528\u6237\u8d26\u6237\u7684\u6743\u9650\uff0c\u5b9a\u671f\u5ba1\u67e5\u548c\u5220\u9664\u4e0d\u6d3b\u8dc3\u7684\u8d26\u6237\uff0c\u4f7f\u7528\u5f3a\u5bc6\u7801\u7b56\u7565\u4ee5\u53ca\u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7\u7cfb\u7edf\u90fd\u662f\u7ef4\u62a4\u6700\u5c11\u7528\u6237\u8d26\u6237\u7684\u91cd\u8981\u6280\u5de7\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237 Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7ef4\u62a4\u6700\u5c11\u7684\u7528\u6237\u8d26\u6237 \u5728Li [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-211579","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=211579"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211579\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}