{"id":51041,"date":"2024-12-03T13:17:55","date_gmt":"2024-12-03T05:17:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51041\/"},"modified":"2024-12-03T13:17:55","modified_gmt":"2024-12-03T05:17:55","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87ssh%e5%ae%9e%e7%8e%b0%e8%b7%a8%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84linux-sysops%e7%ae%a1%e7%90%86-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51041\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\u7ba1\u7406"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u901a\u8fc7SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\u7ba1\u7406<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p>\u5982\u4f55\u901a\u8fc7SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\u7ba1\u7406<\/p>\n<p>\u6982\u8ff0\uff1a<br \/>\u5728Linux\u7cfb\u7edf\u7ba1\u7406\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u540c\u65f6\u7ba1\u7406\u591a\u53f0\u8fdc\u7a0b\u670d\u52a1\u5668\u3002\u901a\u8fc7SSH\uff08Secure Shell\uff09\u534f\u8bae\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684\u7ba1\u7406\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\uff08\u7cfb\u7edf\u8fd0\u7ef4\uff09\u7ba1\u7406\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>SSH\u7b80\u4ecb\uff1a<br \/>SSH\u662f\u4e00\u79cd\u52a0\u5bc6\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u5b89\u5168\u901a\u9053\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002SSH\u534f\u8bae\u63d0\u4f9b\u4e86\u8eab\u4efd\u9a8c\u8bc1\u3001\u6570\u636e\u52a0\u5bc6\u548c\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u7b49\u5b89\u5168\u673a\u5236\uff0c\u4fdd\u8bc1\u4e86\u8fdc\u7a0b\u767b\u5f55\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li>\u751f\u6210SSH\u516c\u79c1\u94a5\uff1a<br \/>\u5728\u4f7f\u7528SSH\u8fdb\u884c\u8fdc\u7a0b\u767b\u5f55\u4e4b\u524d\uff0c\u9700\u8981\u5148\u751f\u6210SSH\u516c\u79c1\u94a5\u5bf9\u3002\u5728\u5ba2\u6237\u7aef\u4e0a\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u516c\u79c1\u94a5\uff1a<\/li>\n<\/ol>\n<pre>ssh-keygen -t rsa<\/pre>\n<p>\u8fd9\u5c06\u751f\u6210\u4e00\u5bf9\u516c\u79c1\u94a5\u6587\u4ef6\uff0c\u9ed8\u8ba4\u5b58\u50a8\u5728\u7528\u6237\u7684<code>.ssh<\/code>\u76ee\u5f55\u4e0b\u3002\u516c\u94a5\u6587\u4ef6\u540d\u4e3a<code>id_rsa.pub<\/code>\uff0c\u79c1\u94a5\u6587\u4ef6\u540d\u4e3a<code>id_rsa<\/code>\u3002<\/p>\n<ol>\n<li>\u914d\u7f6e\u514d\u5bc6\u7801\u767b\u5f55\uff1a<br \/>\u4f7f\u7528SSH\u8fdb\u884c\u8de8\u670d\u52a1\u5668\u7ba1\u7406\u65f6\uff0c\u901a\u5e38\u4f1a\u914d\u7f6e\u514d\u5bc6\u7801\u767b\u5f55\u3002\u5177\u4f53\u64cd\u4f5c\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n<p>\uff081\uff09\u5c06\u5ba2\u6237\u7aef\u7684\u516c\u94a5\u6587\u4ef6<code>id_rsa.pub<\/code>\u62f7\u8d1d\u5230\u9700\u8981\u7ba1\u7406\u7684\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\uff1a<\/p>\n<pre>ssh-copy-id -i ~\/.ssh\/id_rsa.pub user@remote_server<\/pre>\n<p>\u5176\u4e2d\uff0c<code>user<\/code>\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u540d\uff0c<code>remote_server<\/code>\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002<\/p>\n<p>\uff082\uff09\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\uff0c\u5c06\u516c\u94a5\u6587\u4ef6\u5185\u5bb9\u8ffd\u52a0\u5230<code>~\/.ssh\/authorized_keys<\/code>\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre>cat ~\/.ssh\/id_rsa.pub &gt;&gt; ~\/.ssh\/authorized_keys<\/pre>\n<p>\uff083\uff09\u8bbe\u7f6e\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684<code>~\/.ssh<\/code>\u76ee\u5f55\u4ee5\u53ca<code>~\/.ssh\/authorized_keys<\/code>\u6587\u4ef6\u7684\u6743\u9650\uff1a<\/p>\n<pre>chmod 700 ~\/.ssh\nchmod 600 ~\/.ssh\/authorized_keys<\/pre>\n<p>\u5b8c\u6210\u4ee5\u4e0a\u914d\u7f6e\u540e\uff0c\u5373\u53ef\u5b9e\u73b0\u514d\u5bc6\u7801\u767b\u5f55\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528SSH\u8fdb\u884c\u8de8\u670d\u52a1\u5668\u7ba1\u7406\uff1a<br \/>\u5728\u914d\u7f6e\u5b8c\u514d\u5bc6\u7801\u767b\u5f55\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7SSH\u547d\u4ee4\u8fdb\u884c\u8de8\u670d\u52a1\u5668\u7684\u7ba1\u7406\u64cd\u4f5c\u3002\u4ee5\u4e0b\u793a\u4f8b\u4ec5\u4f5c\u4e3a\u53c2\u8003\uff1a<\/li>\n<\/ol>\n<p>\uff081\uff09\u8fdc\u7a0b\u6267\u884c\u547d\u4ee4\uff1a<\/p>\n<pre>ssh user@remote_server 'command'<\/pre>\n<p>\u5176\u4e2d\uff0c<code>user<\/code>\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u540d\uff0c<code>remote_server<\/code>\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\uff0c<code>command<\/code>\u662f\u8981\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n<p>\uff082\uff09\u62f7\u8d1d\u6587\u4ef6\uff1a<\/p>\n<p>\u5c06\u672c\u5730\u6587\u4ef6\u62f7\u8d1d\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\uff1a<\/p>\n<pre>scp local_file user@remote_server:remote_path<\/pre>\n<p>\u5c06\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u62f7\u8d1d\u5230\u672c\u5730\uff1a<\/p>\n<pre>scp user@remote_server:remote_file local_path<\/pre>\n<p>\u5176\u4e2d\uff0c<code>local_file<\/code>\u662f\u672c\u5730\u6587\u4ef6\u7684\u8def\u5f84\uff0c<code>remote_path<\/code>\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6587\u4ef6\u7684\u8def\u5f84\uff0c<code>remote_file<\/code>\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u8def\u5f84\uff0c<code>local_path<\/code>\u662f\u672c\u5730\u76ee\u5f55\u7684\u8def\u5f84\u3002<\/p>\n<ol>\n<li>\u6279\u91cf\u7ba1\u7406\uff1a<br \/>\u5982\u679c\u9700\u8981\u6279\u91cf\u7ba1\u7406\u591a\u53f0\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\u548cSSH\u547d\u4ee4\uff0c\u904d\u5386\u670d\u52a1\u5668\u5217\u8868\u8fdb\u884c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u793a\u4f8b\u4ec5\u4f5c\u4e3a\u53c2\u8003\uff1a<\/li>\n<\/ol>\n<pre>#!\/bin\/bash\n\nservers=(\"server1\" \"server2\" \"server3\")\n\nfor server in \"${servers[@]}\"\ndo\n    ssh user@$server 'command'    \ndone<\/pre>\n<p>\u5176\u4e2d\uff0c<code>servers<\/code>\u662f\u670d\u52a1\u5668\u5217\u8868\uff0c<code>user<\/code>\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u540d\uff0c<code>command<\/code>\u662f\u8981\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528SSH\u534f\u8bae\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\u7ba1\u7406\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u7ba1\u7406\u6548\u7387\uff0c\u51cf\u5c11\u624b\u52a8\u64cd\u4f5c\u7684\u5de5\u4f5c\u91cf\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u7684\u5b66\u4e60\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u6269\u5c55\u548c\u4f18\u5316\uff0c\u63d0\u9ad8\u7ba1\u7406\u64cd\u4f5c\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u901a\u8fc7SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\u7ba1\u7406\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u4eac\u4e1c\u517b\u8f66\u63a8\u51fa\u201c\u9707\u864e\u4ef7\u201d\u6218\u7565\uff0c\u4ef7\u683c\u5168\u9762\u4f4e\u4e8e\u53cb\u55465%\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\u7ba1\u7406 \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 \u5982\u4f55\u901a\u8fc7SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\u7ba1\u7406 \u6982\u8ff0\uff1a\u5728Linux\u7cfb\u7edf\u7ba1\u7406\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u540c\u65f6\u7ba1\u7406\u591a\u53f0\u8fdc\u7a0b\u670d\u52a1\u5668\u3002\u901a\u8fc7SSH\uff08Secure Shell\uff09\u534f\u8bae\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684\u7ba1\u7406\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528SSH\u5b9e\u73b0\u8de8\u670d\u52a1\u5668\u7684Linux SysOps\uff08\u7cfb\u7edf\u8fd0\u7ef4\uff09\u7ba1\u7406\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 SSH\u7b80\u4ecb\uff1aSSH\u662f\u4e00\u79cd\u52a0\u5bc6\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u5b89\u5168\u901a\u9053\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002SSH\u534f\u8bae\u63d0\u4f9b\u4e86\u8eab\u4efd\u9a8c\u8bc1\u3001\u6570\u636e\u52a0\u5bc6\u548c\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u7b49\u5b89\u5168\u673a\u5236\uff0c\u4fdd\u8bc1\u4e86\u8fdc\u7a0b\u767b\u5f55\u7684\u5b89\u5168\u6027\u3002 \u751f\u6210SSH\u516c\u79c1\u94a5\uff1a\u5728\u4f7f\u7528SSH\u8fdb\u884c\u8fdc\u7a0b\u767b\u5f55\u4e4b\u524d\uff0c\u9700\u8981\u5148\u751f\u6210SSH\u516c\u79c1\u94a5\u5bf9\u3002\u5728\u5ba2\u6237\u7aef\u4e0a\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u516c\u79c1\u94a5\uff1a ssh-keygen -t rsa \u8fd9\u5c06\u751f\u6210\u4e00\u5bf9\u516c\u79c1\u94a5\u6587\u4ef6\uff0c\u9ed8\u8ba4\u5b58\u50a8\u5728\u7528\u6237\u7684.ssh\u76ee\u5f55\u4e0b\u3002\u516c\u94a5\u6587\u4ef6\u540d\u4e3aid_rsa.pub\uff0c\u79c1\u94a5\u6587\u4ef6\u540d\u4e3aid_rsa\u3002 \u914d\u7f6e\u514d\u5bc6\u7801\u767b\u5f55\uff1a\u4f7f\u7528SSH\u8fdb\u884c\u8de8\u670d\u52a1\u5668\u7ba1\u7406\u65f6\uff0c\u901a\u5e38\u4f1a\u914d\u7f6e\u514d\u5bc6\u7801\u767b\u5f55\u3002\u5177\u4f53\u64cd\u4f5c\u5982\u4e0b\uff1a \uff081\uff09\u5c06\u5ba2\u6237\u7aef\u7684\u516c\u94a5\u6587\u4ef6id_rsa.pub\u62f7\u8d1d\u5230\u9700\u8981\u7ba1\u7406\u7684\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\uff1a ssh-copy-id -i ~\/.ssh\/id_rsa.pub user@remote_server \u5176\u4e2d\uff0cuser\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u540d\uff0cremote_server\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002 \uff082\uff09\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\uff0c\u5c06\u516c\u94a5\u6587\u4ef6\u5185\u5bb9\u8ffd\u52a0\u5230~\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\uff1a cat ~\/.ssh\/id_rsa.pub &gt;&gt; ~\/.ssh\/authorized_keys \uff083\uff09\u8bbe\u7f6e\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684~\/.ssh\u76ee\u5f55\u4ee5\u53ca~\/.ssh\/authorized_keys\u6587\u4ef6\u7684\u6743\u9650\uff1a chmod 700 ~\/.ssh chmod 600 ~\/.ssh\/authorized_keys \u5b8c\u6210\u4ee5\u4e0a\u914d\u7f6e\u540e\uff0c\u5373\u53ef\u5b9e\u73b0\u514d\u5bc6\u7801\u767b\u5f55\u3002 \u4f7f\u7528SSH\u8fdb\u884c\u8de8\u670d\u52a1\u5668\u7ba1\u7406\uff1a\u5728\u914d\u7f6e\u5b8c\u514d\u5bc6\u7801\u767b\u5f55\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7SSH\u547d\u4ee4\u8fdb\u884c\u8de8\u670d\u52a1\u5668\u7684\u7ba1\u7406\u64cd\u4f5c\u3002\u4ee5\u4e0b\u793a\u4f8b\u4ec5\u4f5c\u4e3a\u53c2\u8003\uff1a \uff081\uff09\u8fdc\u7a0b\u6267\u884c\u547d\u4ee4\uff1a ssh user@remote_server &#8216;command&#8217; \u5176\u4e2d\uff0cuser\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u540d\uff0cremote_server\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\uff0ccommand\u662f\u8981\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6267\u884c\u7684\u547d\u4ee4\u3002 \uff082\uff09\u62f7\u8d1d\u6587\u4ef6\uff1a \u5c06\u672c\u5730\u6587\u4ef6\u62f7\u8d1d\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\uff1a scp local_file user@remote_server:remote_path \u5c06\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u62f7\u8d1d\u5230\u672c\u5730\uff1a scp user@remote_server:remote_file local_path \u5176\u4e2d\uff0clocal_file\u662f\u672c\u5730\u6587\u4ef6\u7684\u8def\u5f84\uff0cremote_path\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6587\u4ef6\u7684\u8def\u5f84\uff0cremote_file\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u8def\u5f84\uff0clocal_path\u662f\u672c\u5730\u76ee\u5f55\u7684\u8def\u5f84\u3002 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