Red Hat Enterprise Linux Server Cookbook

Configuring IPv4 settings

Changing your IP addresses is pretty straightforward in the old ifcfg-style files, and it's actually pretty simple using NetworkManager tools as well.

As kickstart is only used to set up a system, it is not relevant to go in depth into this matter in this recipe.

How to do it…

Let's change our current IPv4 address and gateway for eth1 to 10.0.0.3/8, with 10.0.0.2 as the default gateway.

Setting your IPv4 configuration using nmcli

Perform the following steps:

1. Set the ipv4 information by executing the following command line:

   ~]# nmcli connection modify eth0 ipv4.addresses 10.0.0.3/8 ipv4.gateway 10.0.0.2
   

2. Now, run the following to verify the information:

   ~]# nmcli connection show eth0
   

   Here is an example output of the preceding ...