Learn more about installing the DNS + Sendmail service in Linux (1)

UsedLinuxFor a long time, I know something and I will share it with you,DNSAndSendmailThere are many people using the service. I will explain in depth how to install the DNS + Sendmail service in Linux.

Detailed DNS configuration process

1. Set the host name first.

Vi/etc/sysconfig/network

2. Configure the DNS master configuration file

Vi/var/named/chroot/etc/named. conf modify line 16 17 to the following content

3. Configure the forward resolution configuration file

Vi/var/named/chroot/etc/named. rfc1912.zones

4. Configure forward resolution

Cd/var/named/chroot/var/named/copy the named. localhost in this file to named.xiaolei.cn.

Modify named.xiaolei.cn Permissions

Chgrp named named.wolf.cn: Change named.wolf.cn's group to named. Otherwise, access failure may occur.

Configure named.xiaolei.cn

5. Configure DNS reverse resolution

Vi/var/named/chroot/var/named/named.192.168.1

In chgrp named named.192.168.1, change named.192.168.0 to named. Otherwise, access failure may occur.

Service named restart DNS Service