Ubuntu 如何搭建NFS服务？用于同步文件
<p><span style="font-size: 16px"><strong>前言：</strong></span></p><ul>
<li>NFS服务是一个在linux间共享文件的功能。</li>
<li>比如A服务器有liqi的文件，B，C，D都想访问这个liqi的文件，就可以把A服务上的liqi文件共享出来。</li>
<li>NFS就是实现这个功能的。</li>
</ul>
<p>假设：</p>
<ul>
<li><strong>服务器A是192.168.49.160 作为服务端</strong></li>
<li><strong> 服务器B是192.168.50.123 作为客户端</strong></li>
</ul>
<p> </p>
<p><span style="font-size: 16px"><strong> 1.搭建服务端</strong></span></p>
<p> 1.1在服务器A上安装nfs（我这个服务器A是Ubuntu）</p>
<div class="cnblogs_code">
<pre>sudo apt-get install nfs-kernel-server # 安装 NFS服务器端</pre>
</div>
<p> 1.2启动服务</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">sudo</span> systemctl enable nfs-<span style="color: rgba(0, 0, 0, 1)">server
</span><span style="color: rgba(0, 0, 255, 1)">sudo</span> systemctl start nfs-server # 启动服务</pre>
</div>
<p> 1.3查看服务</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">sudo</span> systemctl status nfs-server</pre>
</div>
<p> 1.4创建文件夹</p>
<div class="cnblogs_code">
<pre>sudo mkdir /home/nfsfile # 创建一个共享文件夹<br>sudo chown -Rf 777 /home/nfsfile # 增加权限</pre>
</div>
<p> 1.5打开配置参数文件</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">sudo</span> vim /etc/<span style="color: rgba(0, 0, 0, 1)">exports # 设置配置文件<br></span></pre>
</div>
<p> 1.6输入设置参数</p>
<div class="cnblogs_code">
<pre>/home/nfsfile <span style="color: rgba(128, 0, 128, 1)">192.168</span>.*.*(rw,no_root_squash,<span style="color: rgba(0, 0, 255, 1)">sync</span>) # 允许192.168下所有网段都可以访问</pre>
</div>
<p> </p>
<p><img src="https://img2022.cnblogs.com/blog/2939141/202208/2939141-20220826114716529-1309264031.png"></p>
<p> </p>
<p> 1.7 常用参数解释</p>
<p> <img src="https://img2022.cnblogs.com/blog/2939141/202208/2939141-20220826115126934-402586964.png"></p>
<p> </p>
<p> </p>
<p> 1.8再查看一下服务器状态，如果没起来就在启动一下</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">sudo</span> systemctl status nfs-server</pre>
</div>
<p> <img src="https://img2022.cnblogs.com/blog/2939141/202208/2939141-20220826115953870-1268881612.png"></p>
<p> </p>
<p><span style="font-size: 16px"><strong> 2.配置客户端</strong></span></p>
<p><span style="font-size: 16px"><strong>（在服务器B执行下面的命令）</strong></span></p>
<p> 2.1Ubuntu系统</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">sudo</span> apt-get <span style="color: rgba(0, 0, 255, 1)">install</span> nfs-common</pre>
</div>
<p> 2.2 CentOS系统</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">yum</span> <span style="color: rgba(0, 0, 255, 1)">install</span> nfs-utils -y</pre>
</div>
<p> 2.3创建客户端目录，可以起一样的名字</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">mkdir</span> ./nfsfile # 在当前目录下创建一个nfsfile</pre>
</div>
<p> 2.4 挂载</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">sudo mount</span> -t nfs <span style="color: rgba(128, 0, 128, 1)">192.168</span>.<span style="color: rgba(128, 0, 128, 1)">49.160</span>:/home/nfsfile ./nfsfile #把远程的nfsfile挂载到自己的</pre>
</div>
<p> 2.5 查看一下 </p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">df</span> -h</pre>
</div>
<p> </p>
<p><img src="https://img2022.cnblogs.com/blog/2939141/202208/2939141-20220826120742874-752408229.png"></p>
<p> </p>
<p>成功了！</p>
<p> </p>
<p>扩展 </p>
<p>1.如何取消挂载?</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)">sudo</span> <span style="color: rgba(0, 0, 255, 1)">umount</span> ./nfsfile</pre>
</div>
<p> </p>
<p> </p>
<p>参考资料</p>
<p>https://www.linuxprobe.com/basic-learning-12.html</p>
<p>https://developer.aliyun.com/article/517837</p>
<p>https://www.pimspeak.com/ubuntu20-04-nfs.html</p>
<p>https://blog.csdn.net/baidu_33032485/article/details/114496376</p>
<p> </p><br><br>
来源：https://www.cnblogs.com/liqi77gg/p/16627100.html
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