{"id":38,"date":"2023-03-23T09:17:00","date_gmt":"2023-03-23T01:17:00","guid":{"rendered":"https:\/\/btc354.com\/?p=38"},"modified":"2023-08-07T16:27:46","modified_gmt":"2023-08-07T08:27:46","slug":"linux-ssh-%e6%9c%8d%e5%8a%a1%e9%83%a8%e7%bd%b2%e4%b8%8e%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/btc354.com\/index.php\/2023\/03\/23\/linux-ssh-%e6%9c%8d%e5%8a%a1%e9%83%a8%e7%bd%b2%e4%b8%8e%e9%85%8d%e7%bd%ae\/","title":{"rendered":"Linux SSH \u670d\u52a1\u90e8\u7f72\u4e0e\u914d\u7f6e"},"content":{"rendered":"\n<p><strong>SSH \u534f\u8bae<\/strong><br>\nSSH \u7684\u5168\u79f0\u662f Secure Shell\u3002\u53ef\u4ee5\u901a\u8fc7\u5176\u5bf9\u8fdc\u7a0b\u4e3b\u673a\u8fdb\u884c\u5b89\u5168\u7684\u8bbf\u95ee\u3002\u5728\u6700\u5f00\u59cb\u8bbe\u8ba1\u7684\u65f6\u5019\uff0cSSH \u88ab\u8bbe\u8ba1\u4e3a\u66ff\u4ee3 telnet \u4ee5\u53ca\u4e00\u4e9b\u5176\u5b83\u4e0d\u5b89\u5168\u8fdc\u7a0b shell \u534f\u8bae\u3002<br>\nSSH \u57fa\u4e8e C\/S \u67b6\u6784\uff0c\u5373&nbsp;\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u3002\u901a\u8fc7\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u76f8\u8fde\uff0c\u8fdb\u884c\u5b89\u5168\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p><strong>OpenSSH<\/strong><br>\n\u5bf9\u4e8e SSH \u534f\u8bae\u6709\u5f88\u591a\u7684\u5b9e\u73b0\u3002\u800c\u6700\u5e38\u7528\u7684\u5f00\u6e90\u5b9e\u73b0\u4e3a OpenSSH\u3002\u5728\u5f88\u591a\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u9ed8\u8ba4\u4f7f\u7528\uff0c\u4f8b\u5982\u5728 Ubuntu \u548c CentOS \u4e2d\u9ed8\u8ba4\u4f7f\u7528 OpenSSH\u3002<br>\n\u5728\u4e0b\u9762\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u7684\u64cd\u4f5c\u8fc7\u7a0b\u4e5f\u5c06\u57fa\u4e8e OpenSSH \u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p><strong>SSH \u7684\u4f53\u7cfb\u7ed3\u6784<\/strong><br>\n\u6839\u636e&nbsp;RFC4251&nbsp;\u5173\u4e8e SSH \u4f53\u7cfb\u7ed3\u6784\u7684\u5b9a\u4e49\u3002SSH \u534f\u8bae\u4e3b\u8981\u7531\u4e09\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff1a<br>\n\u4f20\u8f93\u5c42\u534f\u8bae\uff08SSH-TRANS\uff09\uff1a\u8be5\u534f\u8bae\u63d0\u4f9b\u670d\u52a1\u5668\u8eab\u4efd\u9a8c\u8bc1\uff0c\u9690\u79c1\u548c\u5177\u6709\u5b8c\u7f8e\u8f6c\u53d1\u9690\u79c1\u7684\u5b8c\u6574\u6027\u3002\u4f20\u8f93\u5c42\u901a\u5e38\u662f\u901a\u8fc7 TCP\/IP \u8fde\u63a5\u8fd0\u884c\u3002<br>\n\u7528\u6237\u8ba4\u8bc1\u534f\u8bae\uff08SSH-USERAUTH\uff09\uff1a\u9a8c\u8bc1\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u5ba2\u6237\u7aef\u7528\u6237\u3002\u8fd0\u884c\u5728\u4f20\u8f93\u5c42\u7684\u534f\u8bae\u4e4b\u4e0a\u3002<br>\n\u8fde\u63a5\u534f\u8bae\uff08SSH-CONNECT\uff09\uff1a\u5c06\u52a0\u5bc6\u96a7\u9053\u590d\u7528\u5230\u591a\u4e2a\u903b\u8f91\u901a\u9053\u3002\u8fd0\u884c\u5728\u7528\u6237\u8ba4\u8bc1\u534f\u8bae\u4e0a\u3002<br>\n\u5728 SSH \u7684\u4e09\u4e2a\u7ec4\u4ef6\u4e2d\u7684 SSH-USERAUTH\uff0c\u7528\u6237\u8ba4\u8bc1\u534f\u8bae\u3002\u5bf9\u4e8e\u7528\u6237\u7684\u8eab\u4efd\u8ba4\u8bc1\uff0c\u5728 RFC4252 \u4e2d\uff0c\u6709\u76f8\u5173\u7684\u8eab\u4efd\u8ba4\u8bc1\u65b9\u5f0f\u7684\u63cf\u8ff0\u3002\u5728\u672c\u8282\u5185\u5bb9\u4e2d\uff0c\u6211\u4eec\u5c06\u5e26\u9886\u5927\u5bb6\u914d\u7f6e\u4ee5\u4e0b\u51e0\u79cd\u8eab\u4efd\u8ba4\u8bc1\u65b9\u5f0f\uff1a<br>\n\u57fa\u4e8e\u4e3b\u673a\u7684\u8eab\u4efd\u9a8c\u8bc1\uff08hostbased\uff09<br>\n\u4f7f\u7528\u5bc6\u7801 \uff08password\uff09<br>\n\u516c\u94a5\u7684\u8ba4\u8bc1\u65b9\u5f0f\uff08public key\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u670d\u52a1\u7684\u642d\u5efa\u4e0e\u914d\u7f6e<\/strong><\/h3>\n\n\n\n<p><strong>3.1 \u5b89\u88c5\u4e0e\u542f\u52a8<\/strong><br>\n\u5728\u5b9e\u9a8c\u73af\u5883\u4e2d\u5df2\u7ecf\u6709\u5b89\u88c5\u76f8\u5e94\u7684\u7ec4\u4ef6\uff0c\u82e5\u662f\u9700\u8981\u5728\u672c\u673a\u5b89\u88c5\u76f8\u5e94\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4e0b\u9762\u7684\u547d\u4ee4\u3002<br>\n\u5728 Centos \u4e0a\uff0c\u4f7f\u7528 yum \u8fdb\u884c\u5b89\u88c5\uff1a<br>\n# \u670d\u52a1\u7aef<br>\n<span style=\"color: #ff0000;\">$ sudo yum install openssh-server<\/span><\/p>\n\n\n\n<p># \u5ba2\u6237\u7aef<br>\n<span style=\"color: #ff0000;\">$ sudo yum install openssh-clients<\/span><\/p>\n\n\n\n<p>\u4e3a\u907f\u514d\u670d\u52a1\u672a\u542f\u52a8\uff0c\u53ef\u4ee5\u624b\u52a8\u5c1d\u8bd5\u5f00\u542f\u670d\u52a1\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<br>\n<span style=\"color: #ff0000;\">$ sudo systemctl restart ssh.service<\/span><\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8981\u4fee\u6539\u7684\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u4e00\u4e2a\u5907\u4efd\uff0c\u4ee5\u4fbf\u8fd8\u539f\u521d\u59cb\u503c\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<br>\n# \u5907\u4efd\u670d\u52a1\u5668\u7aef\u7684\u914d\u7f6e\u6587\u4ef6<br>\n$ sudo cp \/etc\/ssh\/sshd_config \/etc\/ssh\/sshd_config.back<\/p>\n\n\n\n<p># \u5907\u4efd\u5ba2\u6237\u7aef\u7684\u914d\u7f6e\u6587\u4ef6<br>\n$ sudo cp \/etc\/ssh\/ssh_config \/etc\/ssh\/ssh_config.back<\/p>\n\n\n\n<p><strong>3.2 \u914d\u7f6e\u6587\u4ef6<\/strong><br>\n\u5728\u5b89\u88c5\u597d\u76f8\u5e94\u7684\u8f6f\u4ef6\u5305\u4e4b\u540e\uff0c\u4f1a\u5728 \/etc\/ssh \u6587\u4ef6\u5939\u4e0b\u751f\u6210\u4e00\u4e9b\u76f8\u5e94\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u4e0b\u9762\u6211\u4eec\u7b80\u5355\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p>ssh_config \u4e3a\u5ba2\u6237\u7aef\u7684\u914d\u7f6e\u6587\u4ef6\uff0c<br>\nsshd_config \u4e3a\u670d\u52a1\u7aef\u7684\u914d\u7f6e\u6587\u4ef6,<br>\n\u5176\u5b83\u7684\u6587\u4ef6\u5c5e\u4e8e\u670d\u52a1\u7aef\u5b89\u88c5\u65f6\u81ea\u52a8\u751f\u6210\u7684\u5bc6\u94a5\u6587\u4ef6\uff0c\u4ee5 .pub \u7ed3\u5c3e\u7684\u4e3a\u516c\u94a5\uff0c\u5bf9\u5e94\u7684\u4e0d\u4ee5 .pub \u7ed3\u5c3e\u7684\u4e3a\u79c1\u94a5\u6587\u4ef6\u3002<br>\n\u5728\u542f\u52a8\u670d\u52a1\u7684\u65f6\u5019\uff0c\u4f1a\u52a0\u8f7d\u76f8\u5e94\u7684\u76f8\u5e94\u7684\u914d\u7f6e\u6587\u4ef6\u3002\u5bf9\u5e94\u7684\u8fd8\u53ef\u4ee5\u5728\u7528\u6237\u76ee\u5f55\u4e0b\u7684 ~\/.ssh\/ \u76ee\u5f55\u4e2d\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\uff0c\u4f8b\u5982\u7f16\u8f91 ~\/.ssh\/config \u6587\u4ef6\uff0c\u5219\u7528\u6237\u5728\u542f\u52a8\u5ba2\u6237\u7aef\u65f6\uff0c\u5c31\u4f1a\u8bfb\u53d6 ~\/.ssh\/config \u6587\u4ef6\u7684\u914d\u7f6e\u9879\u800c\u4e0d\u662f \/ect\/ssh\/ssh_config \u9488\u5bf9\u5168\u5c40\u7684\u914d\u7f6e\u3002<br>\n\u5728\u8fd9\u91cc\u6211\u4eec\u5e76\u4e0d\u4f1a\u4ecb\u7ecd\u6709\u5173\u4e8e\u5404\u79cd\u52a0\u5bc6\u7b97\u6cd5\u7684\u5185\u5bb9\uff0c\u9700\u8981\u5927\u5bb6\u81ea\u884c\u53bb\u4e86\u89e3\u76f8\u5173\u7684\u77e5\u8bc6\u3002<\/p>\n\n\n\n<p><strong>3.3 \u4fe1\u4efb\u6a21\u5f0f<\/strong><br>\n\u5982\u4e0a\u6240\u793a\uff0c\u5728\u5b89\u88c5\u5b8c\u670d\u52a1\u5668\u7aef\u4e4b\u540e\uff0c\u4f1a\u6709\u76f8\u5e94\u7684\u5bc6\u94a5\u5bf9\u6587\u4ef6\uff08\u4e00\u4e2a\u516c\u94a5\u4e00\u4e2a\u79c1\u94a5\uff09\u751f\u6210\uff0c\u7531\u4e8e SSH \u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u6240\u4ee5\u53ef\u80fd\u4f1a\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u4f1a\u6709\u591a\u4e2a\u6587\u4ef6\u88ab\u751f\u6210\u3002<br>\n\u6bcf\u4e2a\u670d\u52a1\u5668\u90fd\u6709\u4e00\u4e2a\u5bc6\u94a5\uff0c\u7531\u4e8e\u4f7f\u7528\u4e0d\u540c\u7684\u7b97\u6cd5\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u5bc6\u94a5\u3002\u5728\u5bc6\u94a5\u4ea4\u6362\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u670d\u52a1\u5668\u4e3b\u673a\u5bc6\u94a5\u6765\u9a8c\u8bc1\u5ba2\u6237\u7aef\u662f\u5426\u4e0e\u6b63\u786e\u7684\u670d\u52a1\u5668\u4ea4\u8c08\uff0c\u4e3a\u4e86\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u5ba2\u6237\u5fc5\u987b\u5148\u77e5\u9053\u670d\u52a1\u5668\u7684\u516c\u5171\u4e3b\u673a\u5bc6\u94a5\uff08\u516c\u94a5\uff09\uff0c\u5728&nbsp;RFC4251&nbsp;\u4e2d\u7ed9\u51fa\u4e86\u4e24\u79cd\u89e3\u51b3\u7684\u601d\u8def\u6216\u8005\u8bf4\u4fe1\u4efb\u6a21\u5f0f\uff1a<br>\n1. \u5ba2\u6237\u7aef\u5728\u672c\u5730\u4fdd\u5b58\u4e3b\u673a\u540d\u4e0e\u5bf9\u5e94\u7684\u670d\u52a1\u5668\u7684\u516c\u94a5\u4fe1\u606f\u3002<br>\n2. \u4e3b\u673a\u5173\u8054\u7684\u516c\u5171\u5bc6\u94a5\u7531\u53d7\u4fe1\u4efb\u7684\u8bc1\u4e66\u673a\u6784\u8fdb\u884c\u8ba4\u8bc1\uff08\u5982 CA\uff09<br>\n\u4f46\u662f\u5bf9\u4e8e\u4e0a\u8ff0\u7684\u4e24\u79cd\u65b9\u5f0f\u6765\u8bf4\uff0c\u7b2c 1 \u79cd\u9700\u8981\u4e00\u5b9a\u7684\u4eba\u529b\u7ef4\u62a4\u6210\u672c\uff0c\u800c\u7b2c 2 \u79cd\uff0c\u5bf9\u4e8e\u73b0\u5728\u4e92\u8054\u7f51\u4e0a\u65e0\u6570\u7684\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u660e\u663e\u662f\u4e0d\u53ef\u884c\u7684\u3002<br>\n\u56e0\u6b64\u5bf9\u4e8e SSH \u534f\u8bae\u800c\u8a00\uff0c\u5728\u9996\u6b21\u8fde\u63a5\u5230\u670d\u52a1\u5668\u65f6\uff0c\u5141\u8bb8\u4e8b\u5148\u901a\u4fe1\u800c\u4e0d\u9700\u8981\u5bc6\u94a5\u6216\u8bc1\u4e66\uff0c\u7136\u800c\u8fd9\u4e00\u8fc7\u7a0b\u5bb9\u6613\u53d7\u5230\u4e2d\u95f4\u4eba\u653b\u51fb\u3002<\/p>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u516c\u94a5\u6dfb\u52a0\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u7684authorized_keys\u6587\u4ef6\u4e2d\uff1a<br>\n1.\u5728\u672c\u5730\u673a\u5668\u4e0a\u751f\u6210\u5bc6\u94a5\u5bf9\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<br>\n<span style=\"color: #ff0000;\">ssh-keygen -t rsa<\/span><br>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39\" src=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_1.png\" alt=\"\" width=\"413\" height=\"283\" srcset=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_1.png 413w, https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_1-300x206.png 300w\" sizes=\"auto, (max-width: 413px) 100vw, 413px\" \/><br>\n<span style=\"color: #ff0000;\">id_rsa \u662f\u79c1\u94a5\u6587\u4ef6\uff0cid_rsa.pub \u662f\u516c\u94a5\u6587\u4ef6\u3002<\/span><br>\n\u5728\u4f7f\u7528SSH\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u65f6\uff0c\u79c1\u94a5\u6587\u4ef6\u5e94\u8be5\u653e\u5728\u5ba2\u6237\u7aef\u673a\u5668\u4e0a\uff0c\u5e76\u4e14\u53ea\u6709\u672c\u5730\u673a\u5668\u7684\u62e5\u6709\u8005\u624d\u80fd\u8bfb\u53d6\uff0c\u4ee5\u4fdd\u8bc1\u5b89\u5168\u3002<br>\n\u516c\u94a5\u6587\u4ef6\u5219\u5e94\u8be5\u653e\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u5bf9\u5e94user\u7684 authorized_keys \u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u8fdc\u7a0b\u670d\u52a1\u5668\u53ef\u4ee5\u9a8c\u8bc1\u5ba2\u6237\u7aef\u7684\u8eab\u4efd\u3002<\/p>\n\n\n\n<p>2.\u8fde\u63a5\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a.ssh\u7684\u6587\u4ef6\u5939\uff1a<br>\nssh user@remote_server<br>\nmkdir ~\/.ssh<\/p>\n\n\n\n<p>3.\u5c06\u516c\u94a5\u7684\u5185\u5bb9\u590d\u5236\u5230authorized_keys\u6587\u4ef6\u4e2d:<\/p>\n\n\n\n<p>4.\u66f4\u6539authorized_keys\u6587\u4ef6\u7684\u6743\u9650\uff1a<br>\n<span style=\"color: #ff0000;\">chmod 600 ~\/.ssh\/authorized_keys<\/span><\/p>\n\n\n\n<p>\u25a0\u8fdc\u7a0b\u670d\u52a1\u5668\uff1a<br>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-40\" src=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_2.png\" alt=\"\" width=\"425\" height=\"298\" srcset=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_2.png 425w, https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_2-300x210.png 300w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><br>\n5.\u4fee\u6539\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684 \/etc\/ssh\/sshd_config \u6587\u4ef6\u4e2d\u8ffd\u52a0\u4e0b\u8bb0\u5185\u5bb9\uff1a<br>\n<span style=\"color: #ff0000;\">AllowUsers user1 user2<\/span><br>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-41\" src=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_3.png\" alt=\"\" width=\"539\" height=\"401\" srcset=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_3.png 539w, https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_3-300x223.png 300w\" sizes=\"auto, (max-width: 539px) 100vw, 539px\" \/><br>\n6.\u91cd\u542f SSH \u670d\u52a1\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<br>\n<span style=\"color: #ff0000;\">sudo service sshd restart<\/span><\/p>\n\n\n\n<p>7.\u6267\u884c\u4e0b\u8bb0\u547d\u4ee4\uff0c\u5411\u8fdc\u7a0b\u670d\u52a1\u5668\u590d\u5236\u6587\u4ef6\uff1a<br>\n<span style=\"color: #ff0000;\">rsync -avzh -e &#8216;ssh -p 7722&#8217; \/mnt\/jpTest01\/estimate_renewal_3xMd4x.tar.gz wwwuser@127.0.0.1:\/mnt\/nas_jp02\/<\/span><br>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-43\" src=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_5.png\" alt=\"\" width=\"724\" height=\"372\" srcset=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_5.png 724w, https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/rsync_5-300x154.png 300w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><br>\n<strong>3.4 hostbased<\/strong><br>\nhostbased \u65b9\u5f0f\u5141\u8bb8\u53d7\u4fe1\u4efb\u4e3b\u673a\u4e0a\u7684\u6307\u5b9a\u7528\u6237\u65e0\u9700\u8f93\u5165\u5bc6\u7801\u5373\u53ef\u76f4\u63a5\u767b\u5f55\u8fdb\u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u4f1a\u8bfb\u53d6\u914d\u7f6e\u7684\u53ef\u4fe1\u4efb\u4e3b\u673a\u7684\u4fe1\u606f\uff0c\u4e00\u822c\u4e3a \/etc\/hosts.equiv\u3002<br>\n\u5728\u9ed8\u8ba4\u8bbe\u7f6e\u4e2d\uff0cSSH \u5e76\u672a\u542f\u7528\u8be5\u9a8c\u8bc1\u65b9\u5f0f\uff0c\u6211\u4eec\u9700\u8981\u4fee\u6539 \/etc\/ssh\/sshd_config \u7684\u914d\u7f6e\u6587\u4ef6\uff1a<br>\nHostbasedAuthentication yes<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u7f16\u8f91\u7684 HostbasedAuthentication \u53ef\u4ee5\u9009\u62e9\u8bbe\u7f6e\u662f\u5426\u542f\u7528\u57fa\u4e8e\u4e3b\u673a\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002\u5c06\u4f1a\u4ece\u5168\u5c40\u7684 \/etc\/hosts.equiv \u6587\u4ef6\u4e2d\u5339\u914d\u6307\u5b9a\u7684\u4e3b\u673a\u548c\u7528\u6237\uff0c\u4ee5\u4fbf\u5141\u8bb8\u8fd9\u4e9b\u4e3b\u673a\u4e0a\u7684\u8fd9\u4e9b\u7528\u6237\u65e0\u5bc6\u7801\u767b\u5f55\u3002<br>\n\u9664\u4e86\u7f16\u8f91\u670d\u52a1\u5668\u7aef\u7684\u914d\u7f6e\u6587\u4ef6\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u9700\u7f16\u8f91\u5ba2\u6237\u7aef\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u8fd9\u91cc\u6211\u4eec\u7f16\u8f91 ~\/.ssh\/config\uff0c\u5219\u4ec5\u9488\u5bf9\u5f53\u524d\u7528\u6237\u7684\u5ba2\u6237\u7aef\u914d\u7f6e\u6587\u4ef6 \uff1a<br>\n# localhost \u5c5e\u4e8e\u522b\u540d\uff0c\u672a\u6307\u5b9a\u65f6\u53ea\u80fd\u4f7f\u7528 IP \u5730\u5740<br>\nHost localhost<br>\nHostName 127.0.0.1<br>\nEnableSSHKeysign yes<br>\nHostbasedAuthentication yes<\/p>\n\n\n\n<p>\u6ce8\u610f\uff0c\u5982\u679c ~\/.ssh\/config \u6587\u4ef6\u4e4b\u524d\u4e0d\u5b58\u5728\uff0c\u7f16\u8f91\u5b8c\u6210\u4e4b\u540e\u9700\u8981\u4fee\u6539\u5176\u8bfb\u5199\u6743\u9650\u4e3a 600 \uff0c\u547d\u4ee4\u4e3a chmod 600 ~\/.ssh\/config\uff0c\u5426\u5219\u4f1a\u62a5\u6743\u9650\u9519\u8bef\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\u5168\u5c40\u7684\u5ba2\u6237\u7aef\u914d\u7f6e\u6587\u4ef6 \/etc\/ssh\/ssh_config \u4e5f\u9700\u8981\u6309\u5982\u4e0b\u4fee\u6539\uff1a<br>\nHost *<br>\nGSSAPIAuthentication yes<br>\nEnableSSHKeysign yes<br>\nHostbasedAuthentication yes<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u56fe\u7247\u4e2d\u7684 Host * \u4ee3\u8868\u7684\u662f\u6240\u6709\u7684\u670d\u52a1\u5668\uff0c\u5c31\u662f\u8be5\u914d\u7f6e\u9879\u4e0b\u7684\u5b50\u9879\u9488\u5bf9\u6240\u6709\u7684\u670d\u52a1\u5668\u3002<br>\n\u6700\u540e\u8fd8\u9700\u8981\u7f16\u8f91 \/etc\/hosts.equiv \u6587\u4ef6\uff08\u4e0d\u5b58\u5728\u9700\u8981\u65b0\u521b\u5efa\uff09\u3002\u8be5\u6587\u4ef6\u7684\u683c\u5f0f\u4e3a\uff1a<br>\n&lt;IP ADDRESS&gt; &lt;USERNAME&gt;<\/p>\n\n\n\n<p>\u6211\u4eec\u5728\u8be5\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e00\u884c\u5185\u5bb9\uff0c\u5141\u8bb8\u672c\u673a\u7684 shiyanlou \u7528\u6237\u65e0\u5bc6\u7801\u767b\u5f55\u672c\u673a\uff1a<br>\n127.0.0.1 shiyanlou<\/p>\n\n\n\n<p>\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5668\uff1a<br>\n$ sudo service sshd restart<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 ssh \u8fde\u63a5\u5230\u672c\u5730\u7684 SSH \u670d\u52a1\u5668\u4e0a\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<br>\n$ ssh shiyanlou@localhost<\/p>\n\n\n\n<p>\u8fd9\u91cc\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u4f7f\u7528 ssh \u547d\u4ee4\u8fde\u63a5\u8fdc\u7a0b\u4e3b\u673a\u7684\u683c\u5f0f\u4e3a ssh [user@]hostname\uff0c\u800c SSH \u670d\u52a1\u9ed8\u8ba4\u8fd0\u884c\u5728 22 \u7aef\u53e3\u4e0a\uff0c\u82e5\u662f\u914d\u7f6e\u4e86\u4f7f\u7528\u5176\u5b83\u7aef\u53e3\uff0c\u53ef\u4ee5\u901a\u8fc7 -p \u53c2\u6570\u6307\u5b9a\u7aef\u53e3\u53f7\u3002<br>\n\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u663e\u793a\u7ed3\u679c\u5982\u4e0b\u56fe\uff0c\u5bf9\u4e8e\u521d\u6b21\u8fde\u63a5\u670d\u52a1\u5668\u65f6\uff0c\u4f1a\u68c0\u6d4b\u662f\u5426\u5df2\u7ecf\u6709\u76f8\u5e94\u7684\u8bb0\u5f55\uff08\u68c0\u6d4b known_hosts \u6587\u4ef6\uff09\uff0c\u82e5\u662f\u5e76\u672a\u6709\u76f8\u5e94\u7684\u8bb0\u5f55\uff0c\u5219\u4f1a\u63d0\u793a\u662f\u5426\u7ee7\u7eed\uff08\u5373\u5728\u4e0a\u8ff0\u4fe1\u4efb\u6a21\u5f0f\u79cd\u63d0\u5230\u7684\u521d\u6b21\u8fde\u63a5\u65f6 SSH \u5141\u8bb8\u4e0d\u9700\u8981\u9884\u5148\u77e5\u6653\u670d\u52a1\u5668\u7684\u516c\u5171\u4e3b\u673a\u5bc6\u94a5\uff09\u3002\u5982\u679c\u9009\u62e9\u7ee7\u7eed\u5219\u4ee3\u8868\u4fe1\u4efb\u8be5\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u516c\u94a5\uff0c\u5e76\u4f1a\u5c06\u5176\u4fdd\u5b58\u5230 ~\/.ssh\/known_hosts \u6587\u4ef6\u4e2d\u3002\u53ef\u4ee5\u901a\u8fc7\u5728 \/etc\/ssh\/sshd_config \u6587\u4ef6\u4e2d\u8bbe\u7f6e IgnoreUserKnownHosts yes \u4e0d\u8fdb\u884c\u68c0\u6d4b\u3002<\/p>\n\n\n\n<p>\u8fd9\u65f6\u6211\u4eec\u53ef\u4ee5\u8f93\u5165 yes\uff0c\u5219\u4f1a\u63d0\u793a\u4fdd\u5b58\u8be5\u516c\u94a5\u5e76\u4e14\u767b\u9646\u6210\u529f\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u6b64\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u67e5\u770b ~\/.ssh\/known_hosts \u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4e0e\u521a\u521a\u7684\u63d0\u793a\u4fe1\u606f\u8fdb\u884c\u6bd4\u5bf9\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u8fd9\u91cc\u53ef\u4ee5\u770b\u5230\u4e3b\u673a\u540d\u4e0e\u5bf9\u5e94\u7684\u516c\u94a5\u7684\u4fe1\u606f\uff0c\u7531\u4e8e\u63d0\u793a\u4fe1\u606f\u663e\u793a\u7684\u516c\u94a5\u662f\u7ecf\u8fc7 HASH \u7b97\u6cd5\u8ba1\u7b97\u8fc7\u7684\u503c\uff0c\u6240\u4ee5\u4f1a\u4e0e\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u4e0d\u4e00\u81f4\uff0c\u5728\u4e0b\u9762\u7684\u5185\u5bb9\u4e2d\uff0c\u6211\u4eec\u5c06\u4f1a\u9a8c\u8bc1\u4e24\u8005\u4e3a\u540c\u4e00\u5185\u5bb9\u3002<br>\n\u8fd9\u91cc\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u7531\u4e8e\u6211\u4eec\u662f\u901a\u8fc7\u5ba2\u6237\u7aef\u76f4\u63a5\u8fde\u63a5\u5f53\u524d\u7684\u670d\u52a1\u5668\u7aef\uff0c\u5373 localhost\uff0c\u5728\u8fdb\u884c\u767b\u9646\u65f6\uff0c\u767b\u9646\u6210\u529f\u540e\u4e0d\u4f1a\u6709\u592a\u660e\u663e\u7684\u533a\u522b\u3002\u6709\u6761\u4ef6\u7684\u540c\u5b66\u53ef\u4ee5\u5728\u81ea\u5df1\u7535\u8111\u4e0a\u5c1d\u8bd5\u901a\u8fc7\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7aef\uff0c\u6216\u8005\u5728\u8fdb\u884c\u767b\u9646\u4e4b\u524d\u5207\u6362\u76ee\u5f55\uff0c\u4e0d\u8981\u505c\u7559\u5728 shiyanlou \u7528\u6237\u7684\u5bb6\u76ee\u5f55\uff0c\u56e0\u4e3a\u767b\u9646\u6210\u529f\u4e4b\u540e\uff0c\u4f1a\u9ed8\u8ba4\u5207\u6362\u5230\u88ab\u767b\u9646\u7528\u6237\u7684\u5bb6\u76ee\u5f55\u3002<br>\n\u5982\u4e0b\u6240\u793a\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528 exit \u547d\u4ee4\u9000\u51fa\u767b\u9646\uff0c\u7136\u540e\u5207\u6362\u5230 Code \u76ee\u5f55\uff0c\u518d\u6b21\u5c1d\u8bd5\u767b\u9646\uff0c\u53ef\u4ee5\u770b\u51fa\u660e\u663e\u7684\u533a\u522b\uff0c\u5373\u767b\u9646\u6210\u529f\u4e4b\u540e\u4f1a\u5207\u6362\u5230\u5230 \/home\/shiyanlou \u76ee\u5f55\uff0c\u9000\u51fa\u767b\u9646\u4f1a\u56de\u5230 ~\/Code \u76ee\u5f55\u4e0b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p><strong>3.5 password<\/strong><br>\nSSH \u9ed8\u8ba4\u4f7f\u7528\u7684\u5373\u662f\u5bc6\u7801\u9a8c\u8bc1\u7684\u65b9\u5f0f\uff0c\u5373\u5728 \/etc\/sshd_config \u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 PasswordAuthentication \u914d\u7f6e\u9879\u9ed8\u8ba4\u4e3a yes \uff0c\u5982\u4e0b\u6240\u793a\uff0c\u6211\u4eec\u67e5\u770b\u76f8\u5173\u7684\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n\n\n\n<p>\u7531\u4e8e\u521a\u521a\u6211\u4eec\u914d\u7f6e\u4e86\u57fa\u4e8e\u4e3b\u673a\u7684\u8eab\u4efd\u9a8c\u8bc1\uff0c\u6240\u4ee5\u9700\u8981\u5c06\u4e4b\u524d\u7684\u8bbe\u7f6e\u91cd\u65b0\u8fd8\u539f\uff0c\u53ef\u4ee5\u624b\u52a8\u4fee\u6539\u914d\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6211\u4eec\u521a\u521a\u5907\u4efd\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u6216\u8005\u76f4\u63a5\u5220\u9664\u6389\u914d\u7f6e\u7684 \/etc\/hosts.equiv \u6587\u4ef6\u5373\u53ef\u3002<br>\n\u8fd9\u91cc\u6211\u4eec\u5220\u9664\u521a\u521a\u914d\u7f6e\u7684 \/etc\/hosts.equiv \u6587\u4ef6\uff0c\u5e76\u4e14\u505c\u6b62 sshd \u670d\u52a1\uff0c\u65b0\u6253\u5f00\u4e00\u4e2a\u7ec8\u7aef\uff0c\u4f7f\u7528\u8c03\u8bd5\u6a21\u5f0f\u542f\u52a8 sshd\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u6b64\u65f6\uff0c\u6211\u4eec\u4f7f\u7528 ssh&nbsp;shiyanlou@localhost&nbsp;\u53bb\u8fde\u63a5\u670d\u52a1\u5668\u7aef\uff0c\u7531\u4e8e\u5df2\u7ecf\u5220\u9664\u6389 \/etc\/hosts.equiv \u914d\u7f6e\u6587\u4ef6\uff0c\u4f1a\u63d0\u793a\u57fa\u4e8e\u4e3b\u673a\u7684\u8eab\u4efd\u9a8c\u8bc1\u5931\u8d25\uff0c\u9700\u8981\u8f93\u5165\u5bc6\u7801\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u6b64\u65f6\uff0c\u8f93\u5165\u76f8\u5e94\u7684\u5bc6\u7801\u5373\u53ef\u6210\u529f\u8fde\u63a5\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u6ce8\u610f\uff0c\u5b9e\u9a8c\u73af\u5883\u6682\u4e0d\u652f\u6301\u5bc6\u7801\u767b\u5f55\uff0c\u8fd9\u91cc\u7684\u622a\u56fe\u4ec5\u505a\u53c2\u8003\u3002<\/p>\n\n\n\n<p><strong>3.6 public key<\/strong><br>\n\u6700\u540e\u6211\u4eec\u8981\u4ecb\u7ecd\u7684\u9a8c\u8bc1\u65b9\u5f0f\u4e3a public key \u5373\u516c\u94a5\u8ba4\u8bc1\uff0c\u8be5\u65b9\u5f0f\u5c5e\u4e8e\u4e0a\u8ff0\u8ba8\u8bba\u7684\u4fe1\u4efb\u6a21\u5f0f\u4e2d\u7684\u7b2c\u4e00\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5373\u901a\u8fc7\u624b\u52a8\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u914d\u7f6e\u76f8\u5e94\u7684\u5bc6\u94a5\u5bf9\uff0c\u5ba2\u6237\u7aef\u4fdd\u5b58\u79c1\u94a5\uff0c\u670d\u52a1\u5668\u7aef\u4fdd\u5b58\u516c\u94a5\u4fe1\u606f\u3002\u901a\u8fc7\u516c\u79c1\u94a5\u7684\u8ba4\u8bc1\uff0c\u80fd\u591f\u4fdd\u8bc1\u5ba2\u6237\u7aef\u662f\u4e0e\u771f\u6b63\u7684\u670d\u52a1\u5668\u901a\u4fe1\uff0c\u5e76\u4e14\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u4e92\u76f8\u4fe1\u4efb\uff0c\u4e0d\u9700\u8981\u8fdb\u884c\u5bc6\u7801\u8ba4\u8bc1\u3002<br>\n\u8fd9\u91cc\u6240\u4f7f\u7528\u7684\u516c\u94a5\u8ba4\u8bc1\u7684\u8fc7\u7a0b\u4e0e\u4f20\u7edf\u610f\u4e49\u4e0a\u516c\u79c1\u94a5\u8ba4\u8bc1\u65b9\u5f0f\u6ca1\u6709\u4ec0\u4e48\u4e0d\u540c\u3002\u5177\u4f53\u7684\u539f\u7406\u5927\u5bb6\u53ef\u4ee5\u53c2\u8003\u6211\u5728\u4e4b\u524d\u7ed9\u51fa\u7684\u94fe\u63a5\u5185\u5bb9\u3002<br>\n\u5bf9\u4e8e SSH \u652f\u6301\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 ssh -Q key \u6765\u67e5\u8be2\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5bc6\u94a5\u5bf9\uff0c\u7528\u4e8e\u914d\u7f6e public key \u8ba4\u8bc1\u65b9\u5f0f\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<br>\n# \u76f4\u63a5\u4f7f\u7528 ssh-keygen \u4f1a\u9ed8\u8ba4\u4f7f\u7528 rsa \u7b97\u6cd5\uff0c\u5e76\u4e14\u5c06\u751f\u6210\u7684\u5bc6\u94a5\u6587\u4ef6\u653e\u5230 ~\/.ssh\/ \u76ee\u5f55\u4e0b<br>\n$ ssh-keygen<\/p>\n\n\n\n<p># \u8fd8\u53ef\u4ee5\u4f7f\u7528 -t \u53c2\u6570\u6307\u5b9a\u4f7f\u7528\u7684\u7b97\u6cd5\u7c7b\u578b\uff0c rsa | ecdsa| ed25519 | dsa \u7b49\uff0c\u4e0a\u8ff0\u547d\u4ee4\u7b49\u540c\u4e8e\u4e0b\u5217\u547d\u4ee4<br>\n$ ssh-keygen -t rsa<\/p>\n\n\n\n<p>\u6240\u6709\u63d0\u793a\u8981\u8f93\u5165\u7684\u5730\u65b9\u76f4\u63a5\u56de\u8f66\u5373\u53ef\u3002\u751f\u6210\u7684\u516c\u79c1\u94a5\u6587\u4ef6\uff0c\u5206\u522b\u4fdd\u5b58\u5728 ~\/.ssh\/id_rsa\uff0c~\/.ssh\/id_rsa.pub \u4e2d\u3002<br>\nSSH \u9ed8\u8ba4\u542f\u7528\u4e86 public key \u7684\u8ba4\u8bc1\u65b9\u5f0f\uff0c\u4e0d\u9700\u8981\u8fdb\u884c\u914d\u7f6e\uff0c\u6211\u4eec\u76f4\u63a5\u901a\u8fc7\u4e0b\u56fe\u67e5\u770b\u9700\u8981\u8bbe\u7f6e\u7684\u76f8\u5173\u914d\u7f6e\u9879\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u6211\u4eec\u9700\u8981\u5c06 ~\/.ssh\/id_rsa.pub \u7684\u516c\u94a5\u4fe1\u606f\u8ffd\u52a0\u5230 ~\/.ssh\/authorized_keys \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u5728\u5176\u4e2d\u6dfb\u52a0\u591a\u4e2a\u516c\u94a5\u3002<br>\n\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<br>\n$ cat ~\/.ssh\/id_rsa.pub | tee -a ~\/.ssh\/authorized_keys<\/p>\n\n\n\n<p>\u5982\u679c ~\/.ssh\/authorized_keys \u662f\u9996\u6b21\u521b\u5efa\uff0c\u9700\u8981\u4fee\u6539\u5176\u6587\u4ef6\u6743\u9650\u4e3a 600\uff0c\u547d\u4ee4\u4e3a chmod 600 ~\/.ssh\/authorized_keys\u3002<br>\n\u6b64\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 ssh&nbsp;shiyanlou@localhost&nbsp;\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5c31\u80fd\u591f\u76f4\u63a5\u8fdb\u884c\u767b\u9646\u800c\u4e0d\u9700\u8981\u8f93\u5165\u5bc6\u7801\uff1a<\/p>\n\n\n\n<p>\u5728\u5ba2\u6237\u7aef\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 -i \u53c2\u6570\uff0c\u6307\u5b9a\u8981\u4f7f\u7528\u7684\u79c1\u94a5\u6587\u4ef6\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<br>\n$ ssh -i ~\/.ssh\/id_rsa shiyanlou@localhost<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SSH \u7684\u5168\u79f0\u662f Secure Shell\u3002\u53ef\u4ee5\u901a\u8fc7\u5176\u5bf9\u8fdc\u7a0b\u4e3b\u673a\u8fdb\u884c\u5b89\u5168\u7684\u8bbf\u95ee\u3002\u5728\u6700\u5f00\u59cb\u8bbe\u8ba1\u7684\u65f6\u5019\uff0cSSH \u88ab\u8bbe\u8ba1\u4e3a\u66ff\u4ee3 telnet \u4ee5\u53ca\u4e00\u4e9b\u5176\u5b83\u4e0d\u5b89\u5168\u8fdc\u7a0b shell \u534f\u8bae\u3002<br \/>\n SSH \u57fa\u4e8e C\/S \u67b6\u6784\uff0c\u5373\u00a0\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u3002\u901a\u8fc7\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u76f8\u8fde\uff0c\u8fdb\u884c\u5b89\u5168\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002<\/p>\n","protected":false},"author":2,"featured_media":105,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[7,32],"class_list":["post-38","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-rsync","tag-rsync","tag-ssh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Linux SSH \u670d\u52a1\u90e8\u7f72\u4e0e\u914d\u7f6e - \u4e2a\u4eba\u5b66\u4e60\u7ad9\u70b9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/btc354.com\/index.php\/2023\/03\/23\/linux-ssh-\u670d\u52a1\u90e8\u7f72\u4e0e\u914d\u7f6e\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux SSH \u670d\u52a1\u90e8\u7f72\u4e0e\u914d\u7f6e - \u4e2a\u4eba\u5b66\u4e60\u7ad9\u70b9\" \/>\n<meta property=\"og:description\" content=\"SSH \u7684\u5168\u79f0\u662f Secure Shell\u3002\u53ef\u4ee5\u901a\u8fc7\u5176\u5bf9\u8fdc\u7a0b\u4e3b\u673a\u8fdb\u884c\u5b89\u5168\u7684\u8bbf\u95ee\u3002\u5728\u6700\u5f00\u59cb\u8bbe\u8ba1\u7684\u65f6\u5019\uff0cSSH \u88ab\u8bbe\u8ba1\u4e3a\u66ff\u4ee3 telnet \u4ee5\u53ca\u4e00\u4e9b\u5176\u5b83\u4e0d\u5b89\u5168\u8fdc\u7a0b shell \u534f\u8bae\u3002 SSH \u57fa\u4e8e C\/S \u67b6\u6784\uff0c\u5373\u00a0\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u3002\u901a\u8fc7\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u76f8\u8fde\uff0c\u8fdb\u884c\u5b89\u5168\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/btc354.com\/index.php\/2023\/03\/23\/linux-ssh-\u670d\u52a1\u90e8\u7f72\u4e0e\u914d\u7f6e\/\" \/>\n<meta property=\"og:site_name\" content=\"\u4e2a\u4eba\u5b66\u4e60\u7ad9\u70b9\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-23T01:17:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-07T08:27:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/btc354.com\/wp-content\/uploads\/2023\/03\/linux_ssh_rsync.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"346\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"tan, keito\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@tqd354\" \/>\n<meta name=\"twitter:site\" content=\"@tqd354\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"tan, keito\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/btc354.com\\\/index.php\\\/2023\\\/03\\\/23\\\/linux-ssh-%e6%9c%8d%e5%8a%a1%e9%83%a8%e7%bd%b2%e4%b8%8e%e9%85%8d%e7%bd%ae\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/btc354.com\\\/index.php\\\/2023\\\/03\\\/23\\\/linux-ssh-%e6%9c%8d%e5%8a%a1%e9%83%a8%e7%bd%b2%e4%b8%8e%e9%85%8d%e7%bd%ae\\\/\"},\"author\":{\"name\":\"tan, keito\",\"@id\":\"https:\\\/\\\/btc354.com\\\/#\\\/schema\\\/person\\\/00e13932981b0e8ae19d3ae6b5734178\"},\"headline\":\"Linux SSH 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