Install Docker on Centos 8
Docker is a powerful tool that simplifies the process of creating, deploying, and managing applications within lightweight, portable containers. Installing Docker on CentOS 8 is straightforward, and this guide will …
How To List Disks on Linux
For the system administrator, checking that disks are working properly is a big concern. In many cases, you will have to list all the disks available on your computer, with …
How To Add Route on Linux
As a network engineer, you probably spend a lot of time thinking and planning your network infrastructure. You plan how computers will be linked, physically using specific cables but also …
How To Encrypt Partition on Linux
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 …
How To Flush DNS Cache on Linux
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 …
How To Find Last Login on Linux
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, …
How To Encrypt Root Filesystem on Linux
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 …
How To Encrypt File on Linux
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 …
How To List Services on Linux
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 …
How To Manage Root Account on Ubuntu 20.04
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 …