Unix

Most often we do install software from the terminal by the help of  apt-get, rpm, yum, Ubuntu Software Center (GUI) and other forms on...

SSHGuard is a fast and lightweight monitoring tool written in C language. It monitors and protects servers  from brute force attacks using their logging...

Kenneth Thompson, or as they call him "Ken", the creator of UNIX and co-inventor of the "C" language. He was born in February 1943,...

Linux and Unix are two terminologies that are interchangeably used to refer to the same Operating system. This is largely due...

There are a lot ways to take screenshot in Linux. scrot is a very useful command-line tool for taking screenshots. scrot is pre-installed in most...

Introduction Rocket.Chat is a messaging system for team communication, like Slack. It has various features, including: Video conferences Help desk chat File sharing Voice messages ...

Our goals is troubleshooting of GET and POST methods with CURL. We already configured two servers: frfs.unixmen.com (We are sending CURL requests from this...

ClusterSSH is a Cluster administration tool via SSH. It is used to control number of xterm windows via a single graphical console window to allow commands...

LAMP is a combination of operating system and open-source software stack. The acronym LAMP is derived from first letters of Linux, Apache HTTP Server,...

Sometimes you may get issues to start Apache on FreeBSD, in my case FreeBSD 9.1. How to solve this? # /usr/local/etc/rc.d/apache22 start Performing sanity check on apache22...

If you are not thrilled with the real bomb, you can try typing this  :(){ :|:& };:  on your Linux terminal to crash your computer. you...

We recently published article about how to determine your computer's architecture via GUI. Today am going to show how to do the same thing...

Protecting files from unwanted deletion is very important security on the tasklist of Unix Administrators. On Linux boxes you can use the chattr command and...

What is ping Utility? Before going through some real world examples of the ping utility, let me explain what this commandline tool is and its...

What is Docker Compose Docker Compose is a tool for running multi-container Docker applications. To configure an application’s services with Compose we use a configuration...

The Command-line is more powerful because you can do lots with them. Yyou can tell your computer exactly what you want and get the...

Introduction to Decentralized Communication Matrix is an open standard for real-time, interoperable and decentralized communication over IP, used to power VoIP/WebRTC signalling, Internet of Things communication, Instant...

This article was written with an intention to help Linux users in understanding the Chroot Jail feature and setup one themselves, for experimenting. Imprisoning users...