Command Line Interface (CLI)

This article describes how to install and use sar (sysstat) a system performance tools for Linux. It comes with plenty of sar examples and usage. Sar is part of the sysstat package. According to the package description it includes the following system performance tools: sar: collects and reports system activity …

I just reinstalled Kali 1.0.5 and successfully did apt-get update and apt-get upgrade. But when I am trying to do an apt-get dist-upgrade I get this error “WARNING: The following packages cannot be authenticated!” Obviously I don’t want to install un-authenticated package. So I cancelled. Did some Googling and different …

Tor is free software and an open network that helps you defend against traffic analysis, a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security.  This guide guides your through installing tor in Kali Linux. Why anonymity matters? Tor protects you …

This guide takes you through step by step procedures on how to change MAC address in Linux. I’ve tried to make it generic to cover most Linux distros. If you have a different option, please comment and I will include it in my guide. Under GNU/Linux, the MAC address of …

This guide will explain  how to Permanently Switching Desktop Environments in Kali Linux.  Permanently Switch Desktop Environments Use the following to make a selected Desktop Environment your primary one (i.e. Make Gnome or KDE etc. your default desktop environment.) update-alternatives --config x-session-manager Don’t forget to read How to install/remove different …