dns服务

     1 yum -y install bind

     2  配置文件 vim /etc/named.conf

      options{

            directory  "/var/named";

}

   zone "birdteam.net" IN{

       type master;

     filr "birdteam.net.zone";

}

3   cd /var/named 

      cp - p named.localhost  birdteam.net.zone  复制文件到birdteam.net.zone

4  systemctl restart named

5 nslookup