{"id":44000,"date":"2024-10-06T12:05:13","date_gmt":"2024-10-06T04:05:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44000\/"},"modified":"2024-10-06T12:05:13","modified_gmt":"2024-10-06T04:05:13","slug":"centos-8-%e4%b8%ad%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae-ssh-%e5%af%86%e9%91%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44000\/","title":{"rendered":"CentOS 8 \u4e2d\u5982\u4f55\u8a2d\u7f6e SSH \u5bc6\u9470"},"content":{"rendered":"<h1 id=\"centos-8-%e4%b8%ad%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae-ssh-%e5%af%86%e9%91%b0-BUhzBCmpVe\">CentOS 8 \u4e2d\u5982\u4f55\u8a2d\u7f6e SSH \u5bc6\u9470<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0cSSH\uff08Secure Shell\uff09\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u5b89\u5168\u5354\u8b70\uff0c\u5141\u8a31\u7528\u6236\u5b89\u5168\u5730\u8a2a\u554f\u9060\u7a0b\u4f3a\u670d\u5668\u3002\u4f7f\u7528 SSH \u5bc6\u9470\u9032\u884c\u8eab\u4efd\u9a57\u8b49\u6bd4\u50b3\u7d71\u7684\u5bc6\u78bc\u66f4\u5b89\u5168\uff0c\u56e0\u70ba\u5b83\u5011\u4e0d\u6613\u88ab\u7834\u89e3\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 8 \u4e2d\u8a2d\u7f6e SSH \u5bc6\u9470\uff0c\u4ee5\u63d0\u9ad8\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ssh-%e5%af%86%e9%91%b0%ef%bc%9f-BUhzBCmpVe\">\u4ec0\u9ebc\u662f SSH \u5bc6\u9470\uff1f<\/h2>\n<p>SSH \u5bc6\u9470\u662f\u4e00\u5c0d\u52a0\u5bc6\u5bc6\u9470\uff0c\u5305\u62ec\u516c\u9470\u548c\u79c1\u9470\u3002\u516c\u9470\u53ef\u4ee5\u5b89\u5168\u5730\u5b58\u5132\u5728\u4f3a\u670d\u5668\u4e0a\uff0c\u800c\u79c1\u9470\u5247\u61c9\u4fdd\u5b58\u5728\u7528\u6236\u7684\u672c\u5730\u6a5f\u5668\u4e0a\u3002\u7576\u7528\u6236\u5617\u8a66\u9023\u63a5\u5230\u4f3a\u670d\u5668\u6642\uff0c\u4f3a\u670d\u5668\u6703\u4f7f\u7528\u516c\u9470\u4f86\u9a57\u8b49\u7528\u6236\u7684\u79c1\u9470\uff0c\u5f9e\u800c\u5be6\u73fe\u5b89\u5168\u7684\u8eab\u4efd\u9a57\u8b49\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e7%bd%ae-ssh-%e5%af%86%e9%91%b0%e7%9a%84%e6%ad%a5%e9%a9%9f-BUhzBCmpVe\">\u8a2d\u7f6e SSH \u5bc6\u9470\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e7%94%9f%e6%88%90-ssh-%e5%af%86%e9%91%b0%e5%b0%8d-BUhzBCmpVe\">\u6b65\u9a5f 1\uff1a\u751f\u6210 SSH \u5bc6\u9470\u5c0d<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u672c\u5730\u6a5f\u5668\u4e0a\u751f\u6210\u4e00\u5c0d SSH \u5bc6\u9470\u3002\u6253\u958b\u7d42\u7aef\u4e26\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ssh-keygen -t rsa -b 4096 -C \"your_email@example.com\"<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u751f\u6210\u4e00\u500b 4096 \u4f4d\u7684 RSA \u5bc6\u9470\u5c0d\u3002\u7cfb\u7d71\u6703\u63d0\u793a\u60a8\u9078\u64c7\u5bc6\u9470\u7684\u4fdd\u5b58\u4f4d\u7f6e\uff0c\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0c\u5bc6\u9470\u5c07\u4fdd\u5b58\u5728 <code>~\/.ssh\/id_rsa<\/code> \u548c <code>~\/.ssh\/id_rsa.pub<\/code> \u4e2d\u3002\u60a8\u4e5f\u53ef\u4ee5\u9078\u64c7\u70ba\u5bc6\u9470\u8a2d\u7f6e\u4e00\u500b\u5bc6\u78bc\uff0c\u4ee5\u589e\u52a0\u5b89\u5168\u6027\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e5%b0%87%e5%85%ac%e9%91%b0%e8%a4%87%e8%a3%bd%e5%88%b0%e4%bc%ba%e6%9c%8d%e5%99%a8-BUhzBCmpVe\">\u6b65\u9a5f 2\uff1a\u5c07\u516c\u9470\u8907\u88fd\u5230\u4f3a\u670d\u5668<\/h3>\n<p>\u751f\u6210\u5bc6\u9470\u5c0d\u5f8c\uff0c\u60a8\u9700\u8981\u5c07\u516c\u9470\u8907\u88fd\u5230 CentOS 8 \u4f3a\u670d\u5668\u4e0a\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ssh-copy-id username@server_ip<\/code><\/pre>\n<p>\u5c07 <code>username<\/code> \u66ff\u63db\u70ba\u60a8\u7684\u4f3a\u670d\u5668\u7528\u6236\u540d\uff0c<code>server_ip<\/code> \u66ff\u63db\u70ba\u4f3a\u670d\u5668\u7684 IP \u5730\u5740\u3002\u9019\u689d\u547d\u4ee4\u6703\u8981\u6c42\u60a8\u8f38\u5165\u4f3a\u670d\u5668\u7684\u5bc6\u78bc\uff0c\u7136\u5f8c\u5c07\u516c\u9470\u6dfb\u52a0\u5230\u4f3a\u670d\u5668\u7684 <code>~\/.ssh\/authorized_keys<\/code> \u6587\u4ef6\u4e2d\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e6%b8%ac%e8%a9%a6-ssh-%e5%af%86%e9%91%b0%e7%99%bb%e9%8c%84-BUhzBCmpVe\">\u6b65\u9a5f 3\uff1a\u6e2c\u8a66 SSH \u5bc6\u9470\u767b\u9304<\/h3>\n<p>\u5b8c\u6210\u516c\u9470\u7684\u8907\u88fd\u5f8c\uff0c\u60a8\u53ef\u4ee5\u6e2c\u8a66 SSH \u5bc6\u9470\u767b\u9304\u662f\u5426\u6210\u529f\u3002\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ssh username@server_ip<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u7121\u9700\u8f38\u5165\u5bc6\u78bc\u76f4\u63a5\u767b\u9304\u5230\u4f3a\u670d\u5668\u3002\u5982\u679c\u60a8\u8a2d\u7f6e\u4e86\u5bc6\u78bc\uff0c\u5247\u9700\u8981\u8f38\u5165\u5bc6\u78bc\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-4%ef%bc%9a%e7%a6%81%e7%94%a8%e5%af%86%e7%a2%bc%e7%99%bb%e9%8c%84%ef%bc%88%e5%8f%af%e9%81%b8%ef%bc%89-BUhzBCmpVe\">\u6b65\u9a5f 4\uff1a\u7981\u7528\u5bc6\u78bc\u767b\u9304\uff08\u53ef\u9078\uff09<\/h3>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u7981\u7528\u4f3a\u670d\u5668\u7684\u5bc6\u78bc\u767b\u9304\u3002\u7de8\u8f2f SSH \u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo vi \/etc\/ssh\/sshd_config<\/code><\/pre>\n<p>\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>#PasswordAuthentication yes<\/code><\/pre>\n<p>\u5c07\u5176\u66f4\u6539\u70ba\uff1a<\/p>\n<pre><code>PasswordAuthentication no<\/code><\/pre>\n<p>\u4fdd\u5b58\u4e26\u9000\u51fa\u7de8\u8f2f\u5668\uff0c\u7136\u5f8c\u91cd\u555f SSH \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl restart sshd<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BUhzBCmpVe\">\u7e3d\u7d50<\/h2>\n<p>\u8a2d\u7f6e SSH \u5bc6\u9470\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u589e\u5f37\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002\u901a\u904e\u4f7f\u7528 SSH \u5bc6\u9470\uff0c\u60a8\u53ef\u4ee5\u907f\u514d\u4f7f\u7528\u5bc6\u78bc\u767b\u9304\u7684\u98a8\u96aa\uff0c\u4e26\u63d0\u9ad8\u9060\u7a0b\u8a2a\u554f\u7684\u5b89\u5168\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u500b\u4eba\u9805\u76ee\u9084\u662f\u5546\u696d\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 CentOS 8 \u4e2d\u8a2d\u7f6e SSH \u5bc6\u9470\uff0c\u78ba\u4fdd\u5b89\u5168\u7684\u9060\u7a0b\u9023\u63a5\u548c\u7121\u5bc6\u78bc\u767b\u9304\u7684\u4fbf\u6377\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44000","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44000"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44000\/revisions"}],"predecessor-version":[{"id":44001,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44000\/revisions\/44001"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}