Centos7 安装dns

master: 172.16.51.8

slave: 172.16.51.21

使用centos7 母机模板 链接克隆

安装dns软件bind

两个节点

yum install bind-chroot bind-utils -y

查询安装软件：

rpm -ql bind-chroot

进入bind-chroot目录：

[root@localhost chroot]# cp -R /usr/share/doc/bind-9.9.4/sample/etc/* /var/named/chroot/etc/
 [root@localhost named]# cp -R /usr/share/doc/bind-9.9.4/sample/var/* /var/named/chroot/var/

[root@localhost named]# ls /var/named/chroot/etc/
named  named.conf  named.rfc1912.zones  pki
[root@localhost named]# ls /var/named/chroot/var/
log  named    run  tmp

创建dynynic目录，将bind文件设置为可写：

[root@localhost chroot]# cd var/named/
[root@localhost named]# chmod -R 777 /var/named/chroot/var/named/data/
[root@localhost named]# mkdir dynamic
[root@localhost named]# chmod -R 777 /var/named/chroot/var/named/dynamic
[root@localhost named]# ll
total 24
drwxrwxrwx. 2 root root    6 Oct 23 05:03 data
drwxrwxrwx. 2 root root    6 Oct 23 05:07 dynamic
-rw-r--r--. 1 root root   56 Oct 23 05:03 my.external.zone.db
-rw-r--r--. 1 root root   56 Oct 23 05:03 my.internal.zone.db
-rw-r--r--. 1 root root 2076 Oct 23 05:03 named.ca
-rw-r--r--. 1 root root  152 Oct 23 05:03 named.empty
-rw-r--r--. 1 root root  152 Oct 23 05:03 named.localhost
-rw-r--r--. 1 root root  168 Oct 23 05:03 named.loopback
drwxr-xr-x. 2 root root   69 Oct 23 05:03 slaves