{"id":14562,"date":"2024-01-09T12:24:50","date_gmt":"2024-01-09T08:54:50","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=14562"},"modified":"2024-01-10T10:11:16","modified_gmt":"2024-01-10T06:41:16","slug":"setup-ubuntu-20-04","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/zh\/tutorials\/setup-ubuntu-20-04\/","title":{"rendered":"Ubuntu 20.04 \u5b89\u88c5\u6559\u7a0b"},"content":{"rendered":"<h2 id=\"%d9%85%d9%82%d8%af%d9%85%d9%87\">\u4ecb\u7ecd<\/h2>\n<p>\u672c\u6559\u7a0b\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u8bbe\u7f6eUbuntu\u670d\u52a1\u5668\u3002\u5185\u5bb9\u5305\u62ec\u5982\u4f55\u521b\u5efa\u975eroot\u7528\u6237\u3001\u542f\u7528SSH\u767b\u5f55\u3001\u7981\u7528root\u7528\u6237\u767b\u5f55\u4ee5\u53ca\u542f\u7528\u57fa\u672c\u9632\u706b\u5899\u3002.<\/p>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-1-%d9%88%d8%a7%d8%b1%d8%af-%d8%b3%d8%b1%d9%88%d8%b1-%d8%ac%d8%af%db%8c%d8%af-%d8%ae%d9%88%d8%af-%d8%b4%d9%88%db%8c%d8%af\">\u7b2c\u4e00\u6b65 \u2013 \u767b\u5f55\u60a8\u7684\u65b0\u670d\u52a1\u5668<\/h2>\n<p>\u4ee5 root \u7528\u6237\u8eab\u4efd\u767b\u5f55\u5230\u60a8\u7684\u65b0 Ubuntu 20.04 \u670d\u52a1\u5668\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ssh root@10.0.0.1\r\n<\/code><\/pre>\n<\/div>\n<p>\u5982\u679c\u60a8\u5df2\u7ecf\u4f7f\u7528 SSH \u5bc6\u94a5\u8bbe\u7f6e\u4e86\u670d\u52a1\u5668\uff0c\u4f46\u8be5\u5bc6\u94a5\u4e0d\u662f\u60a8\u7684\u9ed8\u8ba4\u5bc6\u94a5\uff0c\u5219\u9700\u8981\u544a\u8bc9\u60a8\u7684\u8bbe\u5907\u5728\u54ea\u91cc\u53ef\u4ee5\u627e\u5230\u5b83\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ssh -i \/path\/to\/ssh\/key root@10.0.0.1\r\n<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-2-%db%8c%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%ba%db%8c%d8%b1-%d8%b1%db%8c%d8%b4%d9%87-%d8%ac%d8%af%db%8c%d8%af-%d8%a7%db%8c%d8%ac%d8%a7%d8%af-%da%a9%d9%86\">\u6b65\u9aa4 2 \u2013 \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u975e root \u7528\u6237<\/h2>\n<p>\u4e0d\u5efa\u8bae\u7ecf\u5e38\u4f7f\u7528 root \u7528\u6237\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u975e root \u7528\u6237\u3002\u4ee5\u540e\uff0c\u6211\u4eec\u5c06\u53ea\u4f7f\u7528\u6b64\u7528\u6237\u767b\u5f55\u3002.<\/p>\n<p>\u8981\u521b\u5efa\u65b0\u7528\u6237\uff0c\u8bf7\u952e\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>root@10.0.0.1:~$ adduser holu\r\n<\/code><\/pre>\n<\/div>\n<p>\u73b0\u5728\u60a8\u5c06\u88ab\u8981\u6c42\u8f93\u5165\u4fe1\u606f\u3002\u9996\u5148\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u5f3a\u5bc6\u7801\u3002\u60a8\u53ef\u4ee5\u6309\u4efb\u610f\u952e\u8f93\u5165\u5269\u4f59\u4fe1\u606f\u3002 <code>\u8fdb\u5165<\/code> \u586b\u5199\u6216\u62d2\u7edd\u3002.<\/p>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-3-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d9%87-%da%af%d8%b1%d9%88%d9%87-sudo-%d8%a7%d8%b6%d8%a7%d9%81%d9%87-%da%a9%d9%86\">\u6b65\u9aa4 3 \u2013 \u5c06\u65b0\u7528\u6237\u6dfb\u52a0\u5230 sudo \u7ec4<\/h2>\n<p>\u6211\u4eec\u7684\u65b0\u7528\u6237\u53ea\u6709\u666e\u901a\u8d26\u6237\u6743\u9650\u3002\u4f46\u7531\u4e8e\u6211\u4eec\u5c06\u5b83\u4f5c\u4e3a\u4e3b\u7528\u6237\u4f7f\u7528\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u7ba1\u7406\u5458\u6743\u9650\u3002\u4e3a\u4e86\u80fd\u591f\u4ee5\u975e root \u7528\u6237\u8eab\u4efd\u8fd0\u884c\u7ba1\u7406\u547d\u4ee4\uff0c\u6211\u4eec\u9700\u8981\u5c06\u8be5\u7528\u6237\u6dfb\u52a0\u5230 sudo \u7528\u6237\u7ec4\u3002.<\/p>\n<p>\u4e3a\u6b64\uff0c\u6211\u4eec\u4ecd\u7136\u9700\u8981\u4ee5 root \u7528\u6237\u8eab\u4efd\u8fd0\u884c\u6b64\u547d\u4ee4\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>root@10.0.0.1:~$ usermod -aG sudo holu\r\n<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-4-%d8%a8%d9%87-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%ac%d8%af%db%8c%d8%af-%d8%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b4%d9%88%db%8c%d8%af\">\u7b2c\u56db\u6b65\u2014\u2014\u6210\u4e3a\u65b0\u7528\u6237<\/h2>\n<p>\u73b0\u5728\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6ce8\u9500 root \u7528\u6237\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>root@10.0.0.1:~$ exit\r\n<\/code><\/pre>\n<\/div>\n<p>\u4e4b\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u65b0\u7528\u6237\u540d\u767b\u5f55\u4e86\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ssh holu@10.0.0.1\r\n<\/code><\/pre>\n<\/div>\n<p>\u73b0\u5728\u6211\u4eec\u4ee5\u975e root \u7528\u6237\u8eab\u4efd\u767b\u5f55\uff0c\u6211\u4eec\u9700\u8981\u5728\u7ba1\u7406\u547d\u4ee4\u524d\u4f7f\u7528 sudo\u3002.<\/p>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-5-%d9%81%d8%a7%db%8c%d8%b1%d9%88%d8%a7%d9%84-%d8%a7%d8%b5%d9%84%db%8c-%d8%b1%d8%a7-%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d9%86%db%8c%d8%af\">\u6b65\u9aa4 5 \u2013 \u542f\u7528\u4e3b\u9632\u706b\u5899<\/h2>\n<p>\u521b\u5efa\u975e root \u7528\u6237\u540e\uff0c\u6211\u4eec\u9700\u8981\u542f\u7528\u9632\u706b\u5899\u3002\u4e3a\u6b64\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a <code>ufw <\/code>\u6211\u4eec\u4f7f\u7528\u3002.<\/p>\n<h5 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-5-1-%d8%aa%d9%85%d8%a7%d9%85-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%87%d8%a7%db%8c-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%db%8c-%d9%85%d9%88%d8%ac%d9%88%d8%af\">\u6b65\u9aa4 5.1 \u2013 \u5217\u51fa\u6240\u6709\u53ef\u7528\u7684\u5e94\u7528\u7a0b\u5e8f<\/h5>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u8981\u5217\u51fa\u6240\u6709\u53ef\u4ee5\u6ce8\u518c\u5230\u9632\u706b\u5899\u7684\u7a0b\u5e8f\u3002.<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5217\u51fa\u5b83\u4eec\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>holu@10.0.0.1:~$ sudo ufw app list\r\n<\/code><\/pre>\n<\/div>\n<p>\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>Available applications:\r\nOpenSSH<\/code><\/pre>\n<\/div>\n<h5 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-5-2-%d8%a8%d9%87-openssh-%d8%a7%d8%ac%d8%a7%d8%b2%d9%87-%d8%af%d9%87%db%8c%d8%af\">\u6b65\u9aa4 5.2 \u2013 \u5141\u8bb8 OpenSSH<\/h5>\n<p>\u7531\u4e8e\u6211\u4eec\u5e0c\u671b\u4f7f\u7528 SSH \u767b\u5f55\u5230\u672a\u6765\u7684\u7cfb\u7edf\uff0c\u56e0\u6b64\u9700\u8981\u5728\u542f\u7528\u9632\u706b\u5899\u4e4b\u524d\u542f\u7528 SSH\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>holu@10.0.0.1:~$ sudo ufw allow OpenSSH\r\n<\/code><\/pre>\n<\/div>\n<h5 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-5-3-%d9%81%d8%a7%db%8c%d8%b1%d9%88%d8%a7%d9%84-%d8%b1%d8%a7-%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d9%86%db%8c%d8%af\">\u6b65\u9aa4 5.3 \u2013 \u542f\u7528\u9632\u706b\u5899<\/h5>\n<p>\u65e2\u7136\u9632\u706b\u5899\u5141\u8bb8 SSH \u8fde\u63a5\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u542f\u7528\u5b83\u4e86\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>holu@10.0.0.1:~$ sudo ufw enable\r\n<\/code><\/pre>\n<\/div>\n<p>\u63a5\u4e0b\u6765\uff0c\u68c0\u67e5\u72b6\u6001\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>holu@10.0.0.1:~$ ufw status\r\n<\/code><\/pre>\n<\/div>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\">Status: active<code><\/code><code class=\"language-shell\">To                         Action      From\r\n--                         ------      ----\r\nOpenSSH                    ALLOW       Anywhere\r\nOpenSSH <span class=\"token punctuation\">(<\/span>v6<span class=\"token punctuation\">)<\/span>               ALLOW       Anywhere <span class=\"token punctuation\">(<\/span>v6<span class=\"token punctuation\">)<\/span><\/code><code><\/code><\/pre>\n<\/div>\n<p>\u9632\u706b\u5899\u73b0\u5728\u963b\u6b62\u9664 SSH \u8fde\u63a5\u4e4b\u5916\u7684\u6240\u6709\u8fde\u63a5\u3002.<\/p>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-6-%da%a9%d9%84%db%8c%d8%af%d9%87%d8%a7%db%8c-ssh-%d8%b1%d8%a7-%d8%a7%d8%b6%d8%a7%d9%81%d9%87-%da%a9%d9%86%db%8c%d8%af\">\u6b65\u9aa4 6 \u2013 \u6dfb\u52a0 SSH \u5bc6\u94a5<\/h2>\n<p>\u5728\u60a8\u7684\u8bbe\u5907\u4e0a\u521b\u5efa SSH \u5bc6\u94a5\u5bf9\u3002.<\/p>\n<p>\u73b0\u5728\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u516c\u94a5\u4ece\u60a8\u7684\u8bbe\u5907\u590d\u5236\u5230\u60a8\u7684\u670d\u52a1\u5668\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>cat ~\/.ssh\/ssh_key.pub | ssh holu@10.0.0.1 \"mkdir -p ~\/.ssh &amp;&amp; chmod 700 ~\/.ssh &amp;&amp; cat &gt;&gt; ~\/.ssh\/authorized_keys &amp;&amp; chmod 600 ~\/.ssh\/authorized_keys\"\r\n<\/code><\/pre>\n<\/div>\n<p><code><\/code><\/p>\n<ul>\n<li><code>~\/.ssh\/ssh_key.pub<\/code>\u66ff\u6362\u4e3a\u60a8\u7684 SSH \u516c\u94a5\u8def\u5f84\u3002.<\/li>\n<li>\u8bf7\u66ff\u6362\u60a8\u7684\u65b0\u7528\u6237\u540d\u3002 <code>\u4f60\u597d <\/code>\u505a<\/li>\n<li>\u5c06 10.0.0.1 \u66ff\u6362\u4e3a\u60a8\u7684\u670d\u52a1\u5668 IP \u5730\u5740\u3002.<\/li>\n<\/ul>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-7-%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c-sshd-%d8%b1%d8%a7-%d9%88%db%8c%d8%b1%d8%a7%db%8c%d8%b4-%da%a9%d9%86%db%8c%d8%af\">\u6b65\u9aa4 7 \u2013 \u7f16\u8f91 sshd \u914d\u7f6e<\/h2>\n<p>\u73b0\u5728\u4ece <code>SSH <\/code>\u6211\u4eec\u7528\u5b83\u6765\u767b\u5f55\u6211\u4eec\u7684\u7cfb\u7edf\uff0c\u6211\u4eec\u9700\u8981\u7981\u7528\u57fa\u4e8e\u5bc6\u7801\u7684\u767b\u5f55\u548croot\u7528\u6237\u767b\u5f55\u3002.<\/p>\n<p>\u4e3a\u6b64\u6211\u4eec\u63d0\u4ea4 <code>\/etc\/ssh\/sshd_config<\/code> \u6211\u4eec\u7f16\u8f91\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>holu@10.0.0.1:~$ sudo nano \/etc\/ssh\/sshd_config\r\n<\/code><\/pre>\n<\/div>\n<h5 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-7-1-%d9%88%d8%b1%d9%88%d8%af-%d9%85%d8%a8%d8%aa%d9%86%db%8c-%d8%a8%d8%b1-%d8%b1%d9%85%d8%b2-%d8%b9%d8%a8%d9%88%d8%b1-%d8%b1%d8%a7-%d8%ba%db%8c%d8%b1%d9%81%d8%b9\">\u6b65\u9aa4 7.1 \u2013 \u7981\u7528\u57fa\u4e8e\u5bc6\u7801\u7684\u767b\u5f55<\/h5>\n<p>\u5728\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>PasswordAuthentication yes\r\n<\/code><\/pre>\n<\/div>\n<p>\u5e76\u5c06\u5176\u66f4\u6539\u4e3a\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>PasswordAuthentication no\r\n<\/code><\/pre>\n<\/div>\n<h5 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-7-2-%d9%88%d8%b1%d9%88%d8%af-%d8%a8%d9%87-root-%d8%b1%d8%a7-%d8%ba%db%8c%d8%b1%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d9%86%db%8c%d8%af\">\u6b65\u9aa4 7.2 \u2013 \u7981\u7528 root \u767b\u5f55<\/h5>\n<p>\u5728\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>PermitRootLogin yes\r\n<\/code><\/pre>\n<\/div>\n<p>\u5e76\u5c06\u5176\u66f4\u6539\u4e3a\u4ee5\u4e0b\u884c<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>PermitRootLogin no\r\n<\/code><\/pre>\n<\/div>\n<h5 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-7-3-%d8%b3%d8%b1%d9%88%db%8c%d8%b3-sshd-%d8%b1%d8%a7-%d8%b1%d8%a7%d9%87-%d8%a7%d9%86%d8%af%d8%a7%d8%b2%db%8c-%d9%85%d8%ac%d8%af%d8%af-%da%a9%d9%86%db%8c%d8%af\">\u6b65\u9aa4 7.3 \u2013 \u91cd\u542f sshd \u670d\u52a1<\/h5>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u7f16\u8f91\u5668\u3002.<\/p>\n<p>\u73b0\u5728\u91cd\u542f sshd \u670d\u52a1\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>holu@10.0.0.1:~$ sudo systemctl restart ssh\r\n<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-8-%db%8c%da%a9-%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c-ssh-%d8%a7%d8%ae%d8%aa%db%8c%d8%a7%d8%b1%db%8c-%d8%a7%db%8c%d8%ac%d8%a7%d8%af-%da%a9%d9%86\">\u6b65\u9aa4 8 \u2013 \u521b\u5efa SSH \u914d\u7f6e\uff08\u53ef\u9009\uff09<\/h2>\n<p>\u5728\u60a8\u7684\u8bbe\u5907\u4e0a\u521b\u5efa SSH \u914d\u7f6e\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u544a\u8bc9\u8bbe\u5907 SSH \u5bc6\u94a5\u7684\u4f4d\u7f6e\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u65e0\u9700\u6bcf\u6b21\u767b\u5f55\u65f6\u90fd\u6307\u5b9a\u5bc6\u94a5\u3002.<\/p>\n<p>\u5728\u60a8\u7684\u8bbe\u5907\u4e0a\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo nano ~\/.ssh\/config\r\n<\/code><\/pre>\n<\/div>\n<p>\u73b0\u5728\u6dfb\u52a0\u4e0e\u60a8\u7684 SSH \u5bc6\u94a5\u5bf9\u5e94\u7684\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\">HOST 10.0.0.1\r\nIdentityFile ~\/.ssh\/SSH-key<\/pre>\n<\/div>\n<p>\u73b0\u5728\uff0c\u6bcf\u5f53\u60a8\u767b\u5f55\u670d\u52a1\u5668\u65f6\uff0c\u60a8\u7684\u8bbe\u5907\u90fd\u4f1a\u67e5\u627e\u6b63\u786e\u7684 SSH \u5bc6\u94a5\u3002.<\/p>\n<h2 id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\">\u7ed3\u679c<\/h2>\n<p>\u6211\u4eec\u73b0\u5728\u6709\u4e00\u53f0\u57fa\u672c\u7684 Ubuntu 20.04 \u670d\u52a1\u5668\u3002\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u975e root \u7528\u6237\u5e76\u542f\u7528\u4e86 SSH \u767b\u5f55\u3002\u6b64\u5916\uff0c\u6211\u4eec\u7981\u7528\u4e86 root \u7528\u6237\u767b\u5f55\u5e76\u542f\u7528\u4e86 ufw \u9632\u706b\u5899\u3002.<\/p>","protected":false},"excerpt":{"rendered":"\u7b80\u4ecb \u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u5b66\u4e60\u5982\u4f55\u8bbe\u7f6e Ubuntu \u670d\u52a1\u5668\u3002\u8fd9\u5305\u62ec\u5982\u4f55\u521b\u5efa\u2026\u2026","protected":false},"author":1,"featured_media":14570,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0646\u0635\u0628 Ubuntu","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_primary_category":"193","footnotes":""},"categories":[193,369],"tags":[368],"class_list":{"0":"post-14562","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tutorials","8":"category-os","9":"tag-ubuntu"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0622\u0645\u0648\u0632\u0634 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