Domain Name System(DNS)

Berkeley Internet Name Domain(BIND)

Translate domain names to IP addresses or vice versa.

Check for bind packages if they are installed or not with the following:

# rpm -q bind
# rpm -q bind-utils
# rpm -q bind-devel
# rpm -q bind-libbind-devel
# rpm -q bind-libs
# rpm -q bind-sdb
# rpm -q bind-utils
# rpm -q caching-nameserver
# rpm -q system-config-bind

If they are not installed then install them with:

# yum install bind
# yum install bind-chroot
# yum install bind-devel
# yum install bind-libbind-devel
# yum install bind-libs
# yum install bind-sdb
# yum install bind-utils
# yum install caching-nameserver
# yum install system-config-bind

chmod 755 /var/named/
chmod 775 /var/named/chroot/
chmod 775 /var/named/chroot/var/
chmod 775 /var/named/chroot/var/named/
chmod 775 /var/named/chroot/var/run/
chmod 777 /var/named/chroot/var/run/named/

# chkconfig named on 

# service named start 

To configure a DNS client using BIND

If the DNS server is 192.168.1.100 then:

# vi /etc/resolv.conf

Insert the following line:

nameserver  192.168.1.100