Linux System Administration

On Linux, the root account is probably one of the most powerful accounts that there is. Considered the most privileged account on a Unix system, root can perform any tasks…

This tutorial focuses on how to create swap space on Ubuntu 20.04 using a swap partition or a swap file. For system administrators, it is quite common for servers to…

This article focuses on installing the latest version of Grafana on an Ubuntu 20.04 server. Recently, Grafana Labs released a brand new version of Grafana : v7.0 This new version…

This tutorial focuses on adding sudoers rights to a user on Ubuntu 20.04 Focal Fossa. When managing an Ubuntu 20.04 server, it is actually quite important to know how to…

As a network administrator, you are probably already very familiar with the ARP protocol. ARP is commonly used by layer two devices in order to discover as well as communicating…

Copying directories on Linux is a big part of every system administrator routine. If you have been working with Linux for quite some time, you know how important it is…

If you are working on a small to medium entreprise network, you probably have dozens of drives and printers that need to be shared. Besides the NFS protocol, there are…

As a system administrator, you are probably monitoring the disk space on your system all the time. When browsing directories on your server, you might have come across directories with…

When working with Bash and shell scripting, you might need to use conditions in your script. In programming, conditions are crucial : they are used to assert whether some conditions…

As a system administrator, you probably know how important environment variables are in Bash. Environment variables are used to define variables that will have an impact on how programs will…