This steps applicable for changing network configuration in CentOS Minimal (No GUI).


Step 1: Open terminal/command screen, input command below.


nmtui


Step 2: Select "Edit a connection".


Step 3: Select network adaptor, and select "Edit".


Step 4: Update all changes (Addresses & Gateway), Gateway can leave as default. Select "OK". 


Step 5: Select "Quit".


Step 6. Restart network service by running the command.

systemctl restart network


Step 7. Run ifconfig to verify the IP has been updated.