Linux System Administration

In one of our previous articles, we learnt how you can encrypt your entire root filesystem on Linux easily. However, in some cases, you may want to encrypt one simple…

DNS, short for the Domain Name System protocol, is used on Linux systems in order to retrieve IP addresses associated with names. For example, when you are performing a ping…

If you are working in a medium to big-sized company, it is quite likely that you are working with many other system administrators. As you are performing your sysadmin tasks,…

As a system administrator, you probably already know how important it is to encrypt your disks. If your laptop were to be stolen, even a novice hacker would be able…

If you are a conscientious system administrator, you have probably already wondered how you can make your files secure. Nowadays, as system attacks get more and more frequent, it isn’t…

As a system administrator, you are probably dealing with a lot of services every day. On Linux, services are used for many different purposes. They may be used in order…

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…