Changing the hostname in Ubuntu 18.04 is a bit different than in previous iterations. Here's how to take care of this important configuration.

In this step-by-step guide, learn how to access and modify the Linux hosts file to control the mapping of hostnames to IP addresses.

So, long story short, I need to change the hostname of my Ubuntu server. The actual changing process seems pretty straightforward. I was able to Google it, and actually do it. Unfortunately, it ...

if you use the hostname newhostname command, the changes will only last until you reboot, if you want it to be permanent, add the new name to the /etc/hostname file. note: on RH8, it is the /etc ...