Thursday, November 26, 2015

Primary DNS Server Configuration Part-1



Primary DNS Server 

Step- 1: Check bind and caching-nameserver rpm package is installed or not by following this command:
                       
[root@ns1 ~]# rpm -qa | grep –i bind*    or
[root@ns1 ~]#  rpm –qa bind*            (if installed then it will show all the bind related packages)

bind-chroot-9.3.6-4.P1.el5
bind-libs-9.3.6-4.P1.el5
ypbind-1.19-12.el5
bind-9.3.6-4.P1.el5
bind-utils-9.3.6-4.P1.el5
bind-sdb-9.3.6-4.P1.el5
bind-devel-9.3.6-4.P1.el5
bind-libbind-devel-9.3.6-4.P1.el5
system-config-bind-4.0.3-4.el5

[root@ns1 ~]# rpm -qa caching-nameserver* 

Caching-nameserver-9.3.6-4.P1.el5

            If not installed, then installed the packages using  Yum command:

[root@ns1 ~]# Yum Install bind* caching-nameserver*

Step-2: Check and Configure the Network Card:

[root@ns1 ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0

(Original File):

#Broadcom Corporation Net link BCM57875 Gigabyte Ethernet PCI Express
DEVICE=eth0
BOOTPROTO=dhcp
HWADDR=00:0C:29: EB: B2: CA
ONBOOT=yes

(Modified File):

#Broadcom Corporation Net link BCM57875 Gigabyte Ethernet PCI Express
DEVICE=eth0
BOOTPROTO=static
HWADDR=00:0C:29: EB: B2: CA
ONBOOT=yes
TYPE=Ethernet
PEERDNS=no
USERCTL=no
IPV6INIT=no
IPADDR=210.207.201.1
NETMASK=255.255.255.0
NETWORK=210.207.201.0
BROADCAST=210.207.201.255

After changing you have to reload/restart the NIC(eth0) card by following command:

[root@ns1 ~]# ifdown eth0
[root@ns1 ~]# ifup eth0
[root@ns1 ~]# service network restart

Next- Step-3:

After complete the NIC configure you have to change the host name by following this command

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