Category: Tutorials

Let’s say we want to search for text lophost in file /var/log/messages We can do this using command grep. Login […]

On a Linux server you can rename a file using mv command. Let say you want to rename file-one.txt to […]

If Apache / HTTPS is using lots of memory on your server, here is how you can optimize Apache on […]

Following command will install PHP on your CentOS server / VPS. Login to your server as root via SSH and […]

Following command will install MySQL on a CentOS server / VPS. Login to your server as root via SSH, and […]

You should open only limited ports for incoming and outgoing traffic on a server. You can use firewall like CSF […]

For security reason, it is highly recommended that you use SSH key to login to your server via SSH instead […]

For security reason, it is recommended that you change your server default SSH port from 22 to any other port. […]

In this tutorial, I will explain how to update cPanel License key of a server / vps. cPanel license key […]

If you want to see CPU details of your Linux server / VPS, here is how you can check. Login […]