Category: OS

How to Change Hostname on CentOS 7

On this short tutorial, we will learn how to change hostname on CentOS 7 operating system. Introduction As a sysadmin, we are sometimes asked by...

How To Add User to Sudoers on CentOS 7

On this short article, we will learn how to add an regular user to be sudoers on CentOS 7 opearting system. Introduction Sometimes we need...

Changing Hostname on Rocky Linux 8

On this short article we will learn how to change hostname on Rocky Linux 8. Introduction When we set the hostname of a server, usually...