Redhat Linux is a popular open source operating system that is used by millions of people around the world. It has a number of features that make it an ideal platform for software development and web applications. One of the most popular Redhat Linux distributions is CentOS. However, there are times when it might be necessary to change the hostname on a Redhat Linux machine. This guide will show you how to do this. First, you need to find out the hostname of your Redhat Linux machine. To do this, use the following command: hostname This will give you a list of all the machines on your network and their corresponding hostnames. You can then use this information to find out which hostname was assigned to your Redhat Linux machine. To do this, use the following command: hostnamenetwork | grep redhat
Just use the echo command to replace the contents of /proc/sys/kernel/hostname with your new host name.
Then restart the network interfaces:
Now you can use the hostname command to verify that it has changed.
