Category: Operating System

How to Change Hostname on CentOS 7

On this simple tutorial, we will learn how to change hostname on CentOS 7. Introduction As a sysadmin, we are sometimes asked by our user...

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...

Disabling SELinux On CentOS 8

On this short article we will learn how to disable Selinux on CentOS 8 operating system. Introduction Security-Enhanced Linux (SELinux) is a Linux kernel security...

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...