ifcfg-eth0 options

1. SSH to system

2. open up the ethernet connetion we need to modify.  Generally this will be eth0

3. nano /etc/sysconfig/network-scripts/ifcfg-eth0

   • For static IP it should look something like this

     • DEVICE=eth0
       BOOTPROTO=static
       IPADDR=10.4.0.21
       NETMASK=255.255.255.0
       GATEWAY=10.4.0.1
       HOSTNAME=abc.example.com
       HWADDR=XX:XX:XX:XX:XX:XX              

   • For DHCP it should look somethign like this

     • DEVICE=eth0
       BOOTPROTO=dhcp
       HOSTNAME=abc.example.com