{"id":62679,"date":"2025-04-29T08:42:21","date_gmt":"2025-04-29T00:42:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62679\/"},"modified":"2025-04-29T08:42:21","modified_gmt":"2025-04-29T00:42:21","slug":"ssh%e5%af%86%e9%92%a5%e5%af%b9%e5%9c%a8linux-sysops%e4%b8%ad%e7%9a%84%e9%85%8d%e7%bd%ae%e4%b8%8e%e7%ae%a1%e7%90%86%e6%96%b9%e6%b3%95-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62679\/","title":{"rendered":"SSH\u5bc6\u94a5\u5bf9\u5728Linux SysOps\u4e2d\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u65b9\u6cd5"},"content":{"rendered":"

\"SSH\u5bc6\u94a5\u5bf9\u5728Linux<\/p>\n

SSH\u5bc6\u94a5\u5bf9\u5728Linux SysOps\u4e2d\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u65b9\u6cd5<\/p>\n

\u5728Linux\u7cfb\u7edf\u8fd0\u7ef4\uff08SysOps\uff09\u4e2d\uff0cSSH\uff08Secure Shell\uff09\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8fdc\u7a0b\u767b\u5f55\u548c\u7ba1\u7406\u5de5\u5177\u3002\u800cSSH\u5bc6\u94a5\u5bf9\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u662f\u4fdd\u8bc1\u8fde\u63a5\u5b89\u5168\u6027\u548c\u7b80\u5316\u767b\u5f55\u8fc7\u7a0b\u7684\u91cd\u8981\u4e00\u73af\u3002\u672c\u6587\u5c06\u4ecb\u7ecdSSH\u5bc6\u94a5\u5bf9\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

SSH\u5bc6\u94a5\u5bf9\u901a\u5e38\u7531\u516c\u94a5\uff08public key\uff09\u548c\u79c1\u94a5\uff08private key\uff09\u7ec4\u6210\u3002\u516c\u94a5\u7528\u4e8e\u52a0\u5bc6\u6570\u636e\uff0c\u79c1\u94a5\u5219\u7528\u4e8e\u89e3\u5bc6\u3002\u5bc6\u94a5\u5bf9\u7684\u751f\u6210\u548c\u914d\u7f6e\u5206\u4e3a\u5982\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \n

    \u751f\u6210\u5bc6\u94a5\u5bf9
    \u9996\u5148\uff0c\u5728Linux\u7684\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u5bc6\u94a5\u5bf9\uff1a<\/p>\n

    $ ssh-keygen -t rsa -b 4096<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n
    \u8be5\u547d\u4ee4\u5c06\u751f\u6210\u4e00\u4e2a4096\u4f4d\u7684RSA\u5bc6\u94a5\u5bf9\uff0c\u5e76\u5c06\u516c\u94a5\u548c\u79c1\u94a5\u5206\u522b\u4fdd\u5b58\u5728~\/.ssh\/id_rsa.pub\u548c~\/.ssh\/id_rsa\u6587\u4ef6\u4e2d\u3002<\/p>\n
      \n
    1. \n
      \u914d\u7f6e\u5bc6\u94a5\u5bf9
      \u63a5\u4e0b\u6765\uff0c\u5c06\u751f\u6210\u7684\u516c\u94a5\u5185\u5bb9\u590d\u5236\u5230\u76ee\u6807\u670d\u52a1\u5668\u7684~\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\uff0c\u4ee5\u5b9e\u73b0\u516c\u94a5\u8ba4\u8bc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u516c\u94a5\u590d\u5236\u5230\u76ee\u6807\u670d\u52a1\u5668\uff1a<\/p>\n
      $ ssh-copy-id user@host<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n
      \u5176\u4e2d\uff0cuser\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684\u7528\u6237\u540d\uff0chost\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002<\/p>\n
        \n
      1. \n
        \u4fee\u6539SSH\u914d\u7f6e
        \u4e3a\u4e86\u786e\u4fddSSH\u5bc6\u94a5\u5bf9\u7684\u5b89\u5168\u6027\uff0c\u9700\u8981\u4fee\u6539SSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u3002\u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u7f16\u8f91\/etc\/ssh\/sshd_config\u6587\u4ef6\uff0c\u5c06\u4ee5\u4e0b\u53c2\u6570\u8bbe\u7f6e\u4e3a\u5bf9\u5e94\u7684\u503c\uff1a<\/p>\n
        PubkeyAuthentication yes\nPasswordAuthentication no\nPermitRootLogin no<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n
        \u5c06PubkeyAuthentication\u8bbe\u7f6e\u4e3ayes\uff0c\u542f\u7528\u516c\u94a5\u8ba4\u8bc1\uff1b\u5c06PasswordAuthentication\u8bbe\u7f6e\u4e3ano\uff0c\u7981\u7528\u5bc6\u7801\u8ba4\u8bc1\uff1b\u5c06PermitRootLogin\u8bbe\u7f6e\u4e3ano\uff0c\u7981\u6b62\u4ee5root\u7528\u6237\u767b\u5f55\u3002<\/p>\n
          \n
        1. \n
          \u91cd\u65b0\u52a0\u8f7dSSH\u670d\u52a1
          \u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u91cd\u65b0\u52a0\u8f7dSSH\u670d\u52a1\uff0c\u4f7f\u914d\u7f6e\u751f\u6548\uff1a<\/p>\n
          $ systemctl reload sshd<\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n
          \u73b0\u5728\uff0cSSH\u5bc6\u94a5\u5bf9\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u5df2\u7ecf\u5b8c\u6210\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6d4b\u8bd5\uff1a<\/p>\n
          $ ssh user@host<\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
          \u5176\u4e2d\uff0cuser\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684\u7528\u6237\u540d\uff0chost\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002<\/p>\n
          \u603b\u7ed3\uff1a<\/p>\n
          \u901a\u8fc7\u4ee5\u4e0a\u7684\u6b65\u9aa4\uff0c\u6211\u4eec\u6210\u529f\u5730\u914d\u7f6e\u4e86SSH\u5bc6\u94a5\u5bf9\uff0c\u5e76\u5b9e\u73b0\u4e86\u66f4\u52a0\u5b89\u5168\u548c\u65b9\u4fbf\u7684\u8fdc\u7a0b\u8fde\u63a5\u3002SSH\u5bc6\u94a5\u5bf9\u7684\u7ba1\u7406\u4e5f\u5305\u62ec\u5b9a\u671f\u66f4\u6362\u548c\u5907\u4efd\uff0c\u4ee5\u53ca\u4f7f\u7528\u5bc6\u7801\u5e93\u5bf9\u79c1\u94a5\u8fdb\u884c\u52a0\u5bc6\u4fdd\u62a4\u7b49\u3002\u5e0c\u671b\u672c\u6587\u7684\u5185\u5bb9\u5bf9\u4e8eLinux SysOps\u4eba\u5458\u63d0\u4f9b\u4e86\u6709\u7528\u7684\u6307\u5bfc\u548c\u53c2\u8003\u3002<\/p>\n
          \uff08\u6ce8\uff1a\u672c\u6587\u7684\u4ee3\u7801\u793a\u4f8b\u57fa\u4e8eLinux\u7cfb\u7edf\uff0c\u9488\u5bf9\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u6216\u4e0d\u540c\u7248\u672c\u7684Linux\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u8bf7\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002\uff09<\/p>\n
          \u4ee5\u4e0a\u5c31\u662fSSH\u5bc6\u94a5\u5bf9\u5728Linux SysOps\u4e2d\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          SSH\u5bc6\u94a5\u5bf9\u5728Linux SysOps\u4e2d\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u65b9\u6cd5 \u5728Linux\u7cfb\u7edf\u8fd0\u7ef4\uff08SysOps\uff09\u4e2d\uff0cSSH\uff08Secure Shell\uff09\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8fdc\u7a0b\u767b\u5f55\u548c\u7ba1\u7406\u5de5\u5177\u3002\u800cSSH\u5bc6\u94a5\u5bf9\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u662f\u4fdd\u8bc1\u8fde\u63a5\u5b89\u5168\u6027\u548c\u7b80\u5316\u767b\u5f55\u8fc7\u7a0b\u7684\u91cd\u8981\u4e00\u73af\u3002\u672c\u6587\u5c06\u4ecb\u7ecdSSH\u5bc6\u94a5\u5bf9\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 SSH\u5bc6\u94a5\u5bf9\u901a\u5e38\u7531\u516c\u94a5\uff08public key\uff09\u548c\u79c1\u94a5\uff08private key\uff09\u7ec4\u6210\u3002\u516c\u94a5\u7528\u4e8e\u52a0\u5bc6\u6570\u636e\uff0c\u79c1\u94a5\u5219\u7528\u4e8e\u89e3\u5bc6\u3002\u5bc6\u94a5\u5bf9\u7684\u751f\u6210\u548c\u914d\u7f6e\u5206\u4e3a\u5982\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a \u751f\u6210\u5bc6\u94a5\u5bf9\u9996\u5148\uff0c\u5728Linux\u7684\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u5bc6\u94a5\u5bf9\uff1a $ ssh-keygen -t rsa -b 4096 \u767b\u5f55\u540e\u590d\u5236 \u8be5\u547d\u4ee4\u5c06\u751f\u6210\u4e00\u4e2a4096\u4f4d\u7684RSA\u5bc6\u94a5\u5bf9\uff0c\u5e76\u5c06\u516c\u94a5\u548c\u79c1\u94a5\u5206\u522b\u4fdd\u5b58\u5728~\/.ssh\/id_rsa.pub\u548c~\/.ssh\/id_rsa\u6587\u4ef6\u4e2d\u3002 \u914d\u7f6e\u5bc6\u94a5\u5bf9\u63a5\u4e0b\u6765\uff0c\u5c06\u751f\u6210\u7684\u516c\u94a5\u5185\u5bb9\u590d\u5236\u5230\u76ee\u6807\u670d\u52a1\u5668\u7684~\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\uff0c\u4ee5\u5b9e\u73b0\u516c\u94a5\u8ba4\u8bc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u516c\u94a5\u590d\u5236\u5230\u76ee\u6807\u670d\u52a1\u5668\uff1a $ ssh-copy-id user@host \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cuser\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684\u7528\u6237\u540d\uff0chost\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002 \u4fee\u6539SSH\u914d\u7f6e\u4e3a\u4e86\u786e\u4fddSSH\u5bc6\u94a5\u5bf9\u7684\u5b89\u5168\u6027\uff0c\u9700\u8981\u4fee\u6539SSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u3002\u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u7f16\u8f91\/etc\/ssh\/sshd_config\u6587\u4ef6\uff0c\u5c06\u4ee5\u4e0b\u53c2\u6570\u8bbe\u7f6e\u4e3a\u5bf9\u5e94\u7684\u503c\uff1a PubkeyAuthentication yes PasswordAuthentication no PermitRootLogin no \u767b\u5f55\u540e\u590d\u5236 \u5c06PubkeyAuthentication\u8bbe\u7f6e\u4e3ayes\uff0c\u542f\u7528\u516c\u94a5\u8ba4\u8bc1\uff1b\u5c06PasswordAuthentication\u8bbe\u7f6e\u4e3ano\uff0c\u7981\u7528\u5bc6\u7801\u8ba4\u8bc1\uff1b\u5c06PermitRootLogin\u8bbe\u7f6e\u4e3ano\uff0c\u7981\u6b62\u4ee5root\u7528\u6237\u767b\u5f55\u3002 \u91cd\u65b0\u52a0\u8f7dSSH\u670d\u52a1\u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u91cd\u65b0\u52a0\u8f7dSSH\u670d\u52a1\uff0c\u4f7f\u914d\u7f6e\u751f\u6548\uff1a $ systemctl reload sshd \u767b\u5f55\u540e\u590d\u5236 \u73b0\u5728\uff0cSSH\u5bc6\u94a5\u5bf9\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u5df2\u7ecf\u5b8c\u6210\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6d4b\u8bd5\uff1a $ ssh user@host \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cuser\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684\u7528\u6237\u540d\uff0chost\u662f\u76ee\u6807\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002 \u603b\u7ed3\uff1a \u901a\u8fc7\u4ee5\u4e0a\u7684\u6b65\u9aa4\uff0c\u6211\u4eec\u6210\u529f\u5730\u914d\u7f6e\u4e86SSH\u5bc6\u94a5\u5bf9\uff0c\u5e76\u5b9e\u73b0\u4e86\u66f4\u52a0\u5b89\u5168\u548c\u65b9\u4fbf\u7684\u8fdc\u7a0b\u8fde\u63a5\u3002SSH\u5bc6\u94a5\u5bf9\u7684\u7ba1\u7406\u4e5f\u5305\u62ec\u5b9a\u671f\u66f4\u6362\u548c\u5907\u4efd\uff0c\u4ee5\u53ca\u4f7f\u7528\u5bc6\u7801\u5e93\u5bf9\u79c1\u94a5\u8fdb\u884c\u52a0\u5bc6\u4fdd\u62a4\u7b49\u3002\u5e0c\u671b\u672c\u6587\u7684\u5185\u5bb9\u5bf9\u4e8eLinux SysOps\u4eba\u5458\u63d0\u4f9b\u4e86\u6709\u7528\u7684\u6307\u5bfc\u548c\u53c2\u8003\u3002 \uff08\u6ce8\uff1a\u672c\u6587\u7684\u4ee3\u7801\u793a\u4f8b\u57fa\u4e8eLinux\u7cfb\u7edf\uff0c\u9488\u5bf9\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u6216\u4e0d\u540c\u7248\u672c\u7684Linux\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u8bf7\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002\uff09 \u4ee5\u4e0a\u5c31\u662fSSH\u5bc6\u94a5\u5bf9\u5728Linux SysOps\u4e2d\u7684\u914d\u7f6e\u4e0e\u7ba1\u7406\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-62679","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62679","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=62679"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62679\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}