Redhat Linux network interface names start with ethX. First Ethernet network interface name is eth0, second is eth1 and so on.
Login as a root user, use su – command:
$ su –
To list or display more information about network interface type command:
# ifconfig | less
To assign an IP address type following command:
# ifconfig eth0 192.168.1.1 up
To take down network interface type following command:
# ifconfig eth0 down
To configure network card using GUI tool type command:
You can also type command setup and select network configuration from menu:
If you wish to configure network interface manually then you need to edit files stored in /etc/sysconfig/network-scripts/ directory. For example here is my sample /etc/sysconfig/network-scripts/ifcfg-eth0 file for eth0 network interface:
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