In this post, i will share the quick steps on how to configure static ip address on linux CentOS 5.8 server. This post assumed that you have installed linux CentOS 5.8 with minimum type of installation. If you planned to run this CentOS as a server, it better to configure static ip address.
After you have installed CentOS 5.8 linux server, the default DHCP ip configuration will be as below :
[root@centos58 ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0
Example:
# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE] DEVICE=eth0 BOOTPROTO=dhcp HWADDR=00:0C:29:A1:17:AD ONBOOT=yes
Please follow the following steps to configure static ip address on your linux CentOS 5.8 server.
1. Configure eth0 ip address and default gateway :
[root@centos58 ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0
# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE] DEVICE=eth0 BOOTPROTO=static HWADDR=00:0C:29:A1:17:AD ONBOOT=yes IPADDR=192.168.1.53 NETMASK=255.255.255.0 NETWORK=192.168.1.0 GATEWAY=192.168.1.1 TYPE=Ethernet PEERDNS=yes USERCTL=no
2. Restart Network interface:
[root@centos58 ~]# /etc/init.d/network restart
or
[root@centos58 ~]# service network restart
3. Configure DNS server:
[root@centos58 ~]# vi /etc/resolv.conf
nameserver 8.8.8.8 nameserver 8.8.4.4
