How to take Screenshots on Debian Linux

Debian Screenshot

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

How to Install and Use Nmap on Linux Mint 20

Nmap Linux Mint

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

How to Install Mono on Ubuntu 20.04

Ubuntu Mono C#

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

How to Install R Programming Language Tools on Linux Mint 20

R Programming Language

“R” is a programming language that was designed for statistical computing back in 1993. The best thing is that this language is still being used extensively especially for data analysis purposes during research. In today’s article, I will show you how to install the “R” Toolchain on Linux Mint 20. Installing “R” on Linux Mint … Read more

How to change the MAC Address on CentOS 8

CentOS MAC Address change

If you don’t want to expose your device MAC address while connecting to Public WIFI’s or maybe the firewall or router blocked the specific MAC address, changing of MAC address to access internet service without being exposing the original MAC address. Changing of MAC address is also known as MAC Spoofing or FAKE address. In … Read more

How to Install and Use Ansible on Debian 10

Ansible on Debian

Whenever we talk about configuration management tools, the name that we hear most often is Ansible. It is a cross-platform tool that is designed to handle system configurations while working with Linux, macOS, and Windows operating systems. Today, we will try to throw light on the procedure of installing Ansible on Debian 10. Installing Ansible … Read more

Killing frozen applications in Ubuntu 20.04

Kill frozen apps in Ubuntu

At times, in a computer system when applications are running the system might freeze and does not respond. This seems annoying since users are not even able to close the program by using the X icon on the UI of the application. This is because the processes/applications are not responding and they will not simply … Read more

How to Use GDB to Debug Programs in Ubuntu 20.04

Linux program debugger GDB

GNU Debugger (GDB) is an open-source debugger for GNU Systems. The debugger is portable and can be used for multiple languages as C/C++ and Fortran. It can be used for debugging programs by observing their states on specific breakpoints and even altering the flow or values for further execution. Usually, the GDB runs in command-line … Read more

How to Install Gradle Build-Tool on Ubuntu 20.04

Ubuntu Gradle Build-Tool installation

Gradle is a well-known software build-tool that is mostly used for development in Java, C++, and Swift. By combining all of the best features of Ant and Maven, it brings the best development practices to its users. Instead of using XML language for scripting, Gradle uses Groovy which is an OO language for defining the … Read more