{"id":61576,"date":"2025-04-29T14:33:50","date_gmt":"2025-04-29T06:33:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61576\/"},"modified":"2025-04-29T14:33:50","modified_gmt":"2025-04-29T06:33:50","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8linux%e4%b8%8a%e9%85%8d%e7%bd%ae%e8%bf%9c%e7%a8%8b%e7%99%bb%e5%bd%95%ef%bc%88%e5%a6%82ssh%e5%92%8ctelnet%ef%bc%89-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61576\/","title":{"rendered":"\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\uff08\u5982SSH\u548cTelnet\uff09"},"content":{"rendered":"

\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\uff08\u5982ssh\u548ctelnet\uff09<\/p>\n

\u8fdc\u7a0b\u767b\u5f55\u662f\u4e00\u79cd\u975e\u5e38\u65b9\u4fbf\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u4ece\u4efb\u4f55\u5730\u65b9\u8fde\u63a5\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u6216\u8ba1\u7b97\u673a\u4e0a\u8fdb\u884c\u64cd\u4f5c\u548c\u7ba1\u7406\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6eSSH\uff08\u5b89\u5168\u5916\u58f3\u534f\u8bae\uff09\u548cTelnet\u6765\u5b9e\u73b0\u8fdc\u7a0b\u767b\u5f55\u3002\u672c\u6587\u5c06\u5c55\u793a\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\uff0c\u5e76\u9644\u5e26\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001SSH\uff08\u5b89\u5168\u5916\u58f3\u534f\u8bae\uff09\u914d\u7f6e\uff1a
SSH\u662f\u4e00\u79cd\u5b89\u5168\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff0c\u5b83\u901a\u8fc7\u52a0\u5bc6\u6280\u672f\u6765\u4fdd\u62a4\u8fdc\u7a0b\u767b\u5f55\u7684\u901a\u4fe1\u5b89\u5168\u3002<\/p>\n

    \n
  1. \n

    \u68c0\u67e5SSH\u662f\u5426\u5df2\u5b89\u88c5\uff1a
    \u5728\u7ec8\u7aef\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u68c0\u67e5SSH\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u5728\u60a8\u7684\u7cfb\u7edf\u4e0a\uff1a<\/p>\n

    $ ssh -V<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5982\u679c\u663e\u793aSSH\u7684\u7248\u672c\u4fe1\u606f\uff0c\u5219\u8bf4\u660eSSH\u5df2\u7ecf\u5b89\u88c5\u3002\u5982\u679c\u672a\u5b89\u88c5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5\uff1a<\/p>\n
    $ sudo apt-get install openssh-server    # Ubuntu \/ Debian\u7cfb\u7edf\n$ sudo yum install openssh-server        # CentOS \/ Red Hat\u7cfb\u7edf<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
  2. \n
    \u4fee\u6539SSH\u914d\u7f6e\u6587\u4ef6\uff1a
    \u4f7f\u7528\u7f16\u8f91\u5668\u6253\u5f00SSH\u914d\u7f6e\u6587\u4ef6\uff0c\u5728\u7ec8\u7aef\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
    $ sudo vi \/etc\/ssh\/sshd_config<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u4fee\u6539\uff1a<\/p>\n
    PermitRootLogin yes              # \u5141\u8bb8root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55\uff08\u53ef\u9009\uff09\nPasswordAuthentication yes      # \u5141\u8bb8\u5bc6\u7801\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5b8c\u6210\u4fee\u6539\u540e\uff0c\u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002<\/p>\n<\/li>\n
  3. \n
    \u91cd\u542fSSH\u670d\u52a1\uff1a
    \u5728\u7ec8\u7aef\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4ee5\u4f7fSSH\u914d\u7f6e\u7684\u66f4\u6539\u751f\u6548\uff1a<\/p>\n
    $ sudo service ssh restart<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
  4. \n
    \u8fde\u63a5\u5230\u8fdc\u7a0b\u4e3b\u673a\uff1a
    \u5728\u53e6\u4e00\u53f0\u8ba1\u7b97\u673a\u7684\u7ec8\u7aef\u4e2d\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u8fde\u63a5\u5230\u8fdc\u7a0b\u4e3b\u673a\uff1a<\/p>\n
    $ ssh username@remote_host<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5176\u4e2d\uff0cusername\u662f\u60a8\u5728\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u7684\u7528\u6237\u540d\uff0cremote_host\u662f\u8fdc\u7a0b\u4e3b\u673a\u7684IP\u5730\u5740\u6216\u4e3b\u673a\u540d\u3002<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001Telnet\u914d\u7f6e\uff1a
    Telnet\u662f\u4e00\u79cd\u4e0d\u5b89\u5168\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff0c\u5b83\u5c06\u7528\u6237\u7684\u8f93\u5165\u4fe1\u606f\u660e\u6587\u4f20\u8f93\uff0c\u4e0d\u5177\u5907\u52a0\u5bc6\u548c\u5b89\u5168\u6027\u3002<\/p>\n
      \n
    1. \n
      \u68c0\u67e5Telnet\u662f\u5426\u5df2\u5b89\u88c5\uff1a
      \u5728\u7ec8\u7aef\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u68c0\u67e5Telnet\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u5728\u60a8\u7684\u7cfb\u7edf\u4e0a\uff1a<\/p>\n
      $ telnet<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5982\u679c\u663e\u793atelnet\uff1acommand not found\uff0c\u5219\u8bf4\u660eTelnet\u672a\u5b89\u88c5\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5\uff1a<\/p>\n
      $ sudo apt-get install telnet    # Ubuntu \/ Debian\u7cfb\u7edf\n$ sudo yum install telnet        # CentOS \/ Red Hat\u7cfb\u7edf<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
    2. \n
      \u4fee\u6539Telnet\u914d\u7f6e\u6587\u4ef6\uff1a
      \u4f7f\u7528\u7f16\u8f91\u5668\u6253\u5f00Telnet\u914d\u7f6e\u6587\u4ef6\uff0c\u5728\u7ec8\u7aef\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
      $ sudo vi \/etc\/xinetd.d\/telnet<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u4fee\u6539\uff1a<\/p>\n
      disable = no     # \u5c06disable\u7684\u503c\u6539\u4e3ano<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5b8c\u6210\u4fee\u6539\u540e\uff0c\u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002<\/p>\n<\/li>\n
    3. \n
      \u91cd\u542fTelnet\u670d\u52a1\uff1a
      \u5728\u7ec8\u7aef\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4ee5\u4f7fTelnet\u914d\u7f6e\u7684\u66f4\u6539\u751f\u6548\uff1a<\/p>\n
      $ sudo service xinetd restart<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
    4. \n
      \u8fde\u63a5\u5230\u8fdc\u7a0b\u4e3b\u673a\uff1a
      \u5728\u53e6\u4e00\u53f0\u8ba1\u7b97\u673a\u7684\u7ec8\u7aef\u4e2d\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u8fde\u63a5\u5230\u8fdc\u7a0b\u4e3b\u673a\uff1a<\/p>\n
      $ telnet remote_host<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5176\u4e2d\uff0cremote_host\u662f\u8fdc\u7a0b\u4e3b\u673a\u7684IP\u5730\u5740\u6216\u4e3b\u673a\u540d\u3002<\/p>\n<\/li>\n<\/ol>\n
      \u6ce8\u610f\uff1a\u7531\u4e8eTelnet\u4e0d\u5b89\u5168\uff0c\u5efa\u8bae\u4ec5\u5728\u5185\u90e8\u7f51\u7edc\u4e2d\u4f7f\u7528\u3002<\/p>\n
      \u603b\u7ed3\uff1a
      \u672c\u6587\u5c55\u793a\u4e86\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e0a\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\uff0c\u5305\u62ecSSH\u548cTelnet\u4e24\u79cd\u65b9\u5f0f\u3002SSH\u63d0\u4f9b\u4e86\u52a0\u5bc6\u548c\u5b89\u5168\u7684\u8fdc\u7a0b\u767b\u5f55\u65b9\u5f0f\uff0c\u800cTelnet\u5219\u662f\u4e00\u79cd\u4e0d\u5b89\u5168\u7684\u65b9\u5f0f\u3002\u5728\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\u65f6\uff0c\u5e94\u8be5\u4f18\u5148\u9009\u62e9SSH\u6765\u4fdd\u62a4\u8fdc\u7a0b\u901a\u4fe1\u7684\u5b89\u5168\u6027\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\uff08\u5982SSH\u548cTelnet\uff09\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\uff08\u5982ssh\u548ctelnet\uff09 \u8fdc\u7a0b\u767b\u5f55\u662f\u4e00\u79cd\u975e\u5e38\u65b9\u4fbf\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u4ece\u4efb\u4f55\u5730\u65b9\u8fde\u63a5\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u6216\u8ba1\u7b97\u673a\u4e0a\u8fdb\u884c\u64cd\u4f5c\u548c\u7ba1\u7406\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6eSSH\uff08\u5b89\u5168\u5916\u58f3\u534f\u8bae\uff09\u548cTelnet\u6765\u5b9e\u73b0\u8fdc\u7a0b\u767b\u5f55\u3002\u672c\u6587\u5c06\u5c55\u793a\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u8fdc\u7a0b\u767b\u5f55\uff0c\u5e76\u9644\u5e26\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001SSH\uff08\u5b89\u5168\u5916\u58f3\u534f\u8bae\uff09\u914d\u7f6e\uff1aSSH\u662f\u4e00\u79cd\u5b89\u5168\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff0c\u5b83\u901a\u8fc7\u52a0\u5bc6\u6280\u672f\u6765\u4fdd\u62a4\u8fdc\u7a0b\u767b\u5f55\u7684\u901a\u4fe1\u5b89\u5168\u3002 \u68c0\u67e5SSH\u662f\u5426\u5df2\u5b89\u88c5\uff1a\u5728\u7ec8\u7aef\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u68c0\u67e5SSH\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u5728\u60a8\u7684\u7cfb\u7edf\u4e0a\uff1a $ ssh -V \u767b\u5f55\u540e\u590d\u5236 \u5982\u679c\u663e\u793aSSH\u7684\u7248\u672c\u4fe1\u606f\uff0c\u5219\u8bf4\u660eSSH\u5df2\u7ecf\u5b89\u88c5\u3002\u5982\u679c\u672a\u5b89\u88c5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5\uff1a $ sudo apt-get install openssh-server # Ubuntu \/ Debian\u7cfb\u7edf $ sudo yum install openssh-server # CentOS \/ Red Hat\u7cfb\u7edf \u767b\u5f55\u540e\u590d\u5236 \u4fee\u6539SSH\u914d\u7f6e\u6587\u4ef6\uff1a\u4f7f\u7528\u7f16\u8f91\u5668\u6253\u5f00SSH\u914d\u7f6e\u6587\u4ef6\uff0c\u5728\u7ec8\u7aef\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a $ sudo vi \/etc\/ssh\/sshd_config \u767b\u5f55\u540e\u590d\u5236 \u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u4fee\u6539\uff1a PermitRootLogin yes # \u5141\u8bb8root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55\uff08\u53ef\u9009\uff09 PasswordAuthentication yes # \u5141\u8bb8\u5bc6\u7801\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1 \u767b\u5f55\u540e\u590d\u5236 \u5b8c\u6210\u4fee\u6539\u540e\uff0c\u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002 \u91cd\u542fSSH\u670d\u52a1\uff1a\u5728\u7ec8\u7aef\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4ee5\u4f7fSSH\u914d\u7f6e\u7684\u66f4\u6539\u751f\u6548\uff1a $ sudo service ssh restart \u767b\u5f55\u540e\u590d\u5236 \u8fde\u63a5\u5230\u8fdc\u7a0b\u4e3b\u673a\uff1a\u5728\u53e6\u4e00\u53f0\u8ba1\u7b97\u673a\u7684\u7ec8\u7aef\u4e2d\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u8fde\u63a5\u5230\u8fdc\u7a0b\u4e3b\u673a\uff1a $ […]<\/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-61576","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61576","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=61576"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61576\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}