The Linux Compendium
Karim Buzdar 
New Linux users are often faced with problems due to accidental changes in their system that eventually result in unstable system performance. But what about resetting the entire operating system to its factory default settings without re-installing it using a Live CD/DVD image. That means to return your system back to the original state when … Read more
If you want to disable any user to prevent that the user logs into his/her account on Ubuntu or lock the user’s account so he/she won’t be able to log in and access the privileged rights, you can do it in three ways through command line input (CLI). This article will explain and demonstrate these … Read more
If you are using Linux, you may need to know details about the system or the hardware specifications you are using. As a regular Linux user or software developer, it is important that you check the compatibility of any software or hardware system that you want to install. The Linux command line contains several built-in … Read more
OBS stands for “Open Broadcast Software which is a screen recording and streaming tool”. It is an open and free-source software providing the following features: Multiple Themes Multiple video sources filters Intuitive audio mixer Real-time audio/video capturing and mixing Streamlined settings panel Powerful configuration option The software is easy to use and stands among the … Read more
NTP or Network Time Protocol is a protocol that is used to synchronize all system clocks in a network to use the same time. When we use the term NTP, we are referring to the protocol itself and also the client and server programs running on the networked computers. NTP belongs to the traditional TCP/IP … Read more
Terraform is a well-known Infrastructure as a Code (IaaC) platform. Terraform makes it easy to create and provision full-fledged data center infrastructures by using the HashiCorp Configuration Language (HCL). This article shows you how to install Terraform on Ubuntu 20.04. Installing Terraform on Ubuntu 20.04 For installing Terraform on Ubuntu 20.04, you need to perform … Read more
Taking screenshots in Debian is super easy. You will definitely know how to use the built-in screenshot utility or PrtScr key on your keyboard in order to take a screenshot of your system. There are other many open-source screenshots utilities that allow you to take screenshots of your system but they lack some functions. But … Read more
Kontakt is a free, open-source Linux-based Email application that is developed by the KDE project, which can be used on GNOME desktop as well to replace e.g. Thunderbird. It works as a Personal Information Manager (PIM). Kontact has modules to provide email, calendar, contacts, and notes functions. Users can easily handle their emails and other … Read more
Nmap is a very popular free and open-source network security tool and port scanner. It has been designed to perform security scans and discover hosts on a network by sending different packets to them and then analyzing their responses. In today’s tutorial, I will show you how to install and use Nmap on a Linux … Read more
Mono is the OpenSource implementation of the Microsoft .NET software stack. It is based on ECMA/ISO standards and implements the C# programming language and the Common Language Runtime. To find out more about Mono, have a look at the Mono project website. In this article, I will show you how to install the Mono Stack … Read more