Debian无法通过ssh连接
<p>如果出现XShell无法连接Debian的问题：</p><p><img src="https://img2020.cnblogs.com/blog/1454112/202109/1454112-20210919110259519-1871786233.png" alt="" loading="lazy"></p>
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<p>进入Debian查看22端口情况，发现22端口未开启</p>
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<pre><span style="color: rgba(0, 128, 128, 1)">1</span>netstat -ntlp|grep 22</pre>
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<p>查看sshd是否安装</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 128, 128, 1)">1</span> ps -e|grep ssh</pre>
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<p>看是否有sshd，如果没有sshd，那就是没有安装openssh-server，需要安装。</p>
<p>安装sshd</p>
<p>apt-get install openssh-server<br>安装ufw</p>
<p>apt-get install ufw<br>开放22端口</p>
<p>ufw enable<br>ufw allow 22<br><br>参考链接：<br>https://blog.csdn.net/qq_43901693/article/details/101173523<br>https://blog.csdn.net/Perfect_Accepted/article/details/82253411</p><br><br>
来源：https://www.cnblogs.com/Thenext/p/15311081.html
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