debian 打开ssh服务
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<div class="title_6OfO5" data-module="char"><span class="cu-line-clamp-default">debian 打开ssh服务</span></div>
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<p>在Debian系统中，您可以通过以下步骤开启SSH服务（Secure Shell）：</p>
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<p>安装OpenSSH服务器软件包：</p>
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<div class="hljs-ln-line hljs-ln-code">sudo apt update</div>
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<div class="hljs-ln-line hljs-ln-code">sudo apt install openssh-server</div>
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<p>启动SSH服务：</p>
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<div class="hljs-ln-line hljs-ln-code">sudo systemctl start ssh</div>
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<p>使SSH服务在系统启动时自动运行： </p>
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<div class="hljs-ln-line hljs-ln-code">sudo systemctl <span class="hljs-built_in">enable ssh</span></div>
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<p>安装完成以后,可以通过以下命令看到它们运行的进程:</p>
<pre class="set-code-show prettyprint" data-index="1"><code class="prism language-bash has-numbering"><span class="token function">ps <span class="token parameter variable">-e <span class="token operator">|<span class="token function">grep <span class="token function">ssh</span></span></span></span></span></code><br><br><span class="token comment">#输出: <br><span class="token number">777? 00:00:00 ssh-agent </span></span><span class="token comment">#表示客户端已运行；</span></pre>
<pre class="set-code-show prettyprint" data-index="1"><span class="token comment"><span class="token number"><span class="token comment">41253 <span class="token number">? 00:00:00 sshd</span></span></span></span><span class="token comment"><span class="token number"><span class="token comment"><span class="token number"> <span class="token comment">#表示服务端已运行；</span></span></span></span></span></pre>
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<p>允许root用户ssh连接<br>我自己的修改为：增加了 root登录的权限。<br>修改/etc/ssh/sshd_config</p>
<p>#修改前<br>PermitRootLoginwithout-password<br># 修改后<br>PermitRootLogin yes<br><br>然后重启ssh服务<br>修改后以后，我们需要重新启动服务：</p>
<p>#方法一：<br> /etc/init.d/ssh restart</p>
<p># 方法二：<br>service ssh restart</p>
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来源：https://www.cnblogs.com/zxdplay/p/18088461
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