Linux配置DNS服务器
<h1 id="linux配置dns服务器">Linux配置DNS服务器</h1><h2 id="一构建网络环境">一、构建网络环境</h2>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145550617-842860851.png" alt="" loading="lazy"></p>
<p>1.安装DNS服务器操作系统(略)</p>
<p>2.设置DNS服务器IP地址</p>
<pre><code>#vim /etc/sysconfig/network-scripts/ifcfg-ens33
#nmcli c down ens33
#nmcli c up ens33
</code></pre>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145619055-578781289.png" alt="" loading="lazy"></p>
<p>3.关闭Selinux和防火墙</p>
<pre><code>#systemctl stop firewalld.service #关闭防火墙
#setenforce 0 #关闭Selinux
</code></pre>
<p>4.设置本地Yum源</p>
<pre><code>#mkdir /cd
#mount /dev/sr0 /cd
#vim /etc/yum.repos.d/CentOS-Media.repo
</code></pre>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145716807-121777891.png" alt="" loading="lazy"></p>
<pre><code>#cd /etc/yum.repos.d/
#mkdir backup
#mv CentOS-AppStream.repo CentOS-Base.repo CentOS-Extras.repo backup/
#yum clean all
#yum makecache #重建cache
</code></pre>
<h2 id="二安装和配置dns服务">二、安装和配置DNS服务</h2>
<pre><code>#yum -y install named
#vim /etc/named.conf #配置DNS
</code></pre>
<p>监听服务器192.168.1.100</p>
<p>允许所有人查询</p>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145754123-1716418125.png" alt="" loading="lazy"></p>
<pre><code>#vim /etc/named.rfc1912.zones #配置正反向区域
</code></pre>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145814581-824402425.png" alt="" loading="lazy"></p>
<pre><code>#vim /var/named/named.localhost #配置正向解析主机记录
</code></pre>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145846390-538293760.png" alt="" loading="lazy"></p>
<pre><code>#vim /var/named/named.empty #配置反向指针记录
</code></pre>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145908539-1812934166.png" alt="" loading="lazy"></p>
<pre><code>#systemctl start named.service #启动DNS服务
</code></pre>
<h2 id="三测试dns服务器">三、测试DNS服务器</h2>
<p>1.配置客户端IP地址设置</p>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145932107-14288443.png" alt="" loading="lazy"></p>
<p>2.使用Ping命令进行测试</p>
<p><img src="https://img2020.cnblogs.com/blog/2242444/202012/2242444-20201211145946100-1340473125.png" alt="" loading="lazy"></p>
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来源：https://www.cnblogs.com/xiaowangc/p/14120392.html
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