Method 1 – Check IP via Command (CentOS 8)
Open a command terminal by pressing CTRL + ALT + T on your CentOS system. Now type following IP command to view current IP addresses configured on your system.
Method 2 – Check IP via GUI (CentOS 8)
For this option, you must have Desktop installed on your CentOS 8 system. Now, login to your CentOS Desktop system and open settings windows on your machine as showing in the below screen.
In the left sidebar click on the Network tab. After that click icon to open setting for your systems network interface as shown in the below screen.
Here is the IP address of your Ubuntu desktop system.