Configuring an IP Address in CENTOS
CENTOS – Configure IP Address on ifcfg-eth0
Log into the machine as root
Type:
nano /etc/sysconfig/network-scripts/ifcfg-eth0
change
BOOTPROTO=”dhcp”
to
BOOTPROTO=”static”
add
IPADDR=192.168.1.200
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
leave the HWADDR line alone and on the next line down add
DNS1=192.168.1.1
DNS2=”4.2.2.2″
Change:
ONBOOT=”no”
to
ONBOOT=”yes”
and change
NM_CONTROLLED=”yes”
to
NM_CONTROLLED=”no”
file should now look like this:
DEVICE=”p1p1″
BOOTPROTO=”static”
IPADDR=”192.168.1.200″
NETMASK=”255.255.255.0″
GATEWAY=”192.168.1.1″
HWADDR=”00:12:34:56:78:90″
DNS1=”192.168.1.1″
DNS2=”4.2.2.2″
NM_CONTROLLED=”no”
ONBOOT=”yes”
TYPE=”Ethernet”
uuid=”UIHASD-ASDFASD-ASDFASDF-ADSF” Leave these values alone
save file
CTRL + O
and exit
CTRL + X
reboot your machine and you are all set
