Easiest way to install GNS3 1.3.9 on Kali Linux 2.0,Debian 8 and Ubuntu 15.04

Gns3 1.3.9 was released which fixes 3 major problems found in version 1.3.8: Fixes launch crash on Windows 32-bit. Catch exception when trying to launch Wireshark. Backport: fixes migration of cloud...

How to add,install and run CentOS 7 Vagrant box to Virtualbox using Vagrant

Hello guys. Today we'll look at How to install centos 7 box with vagrant on virtualbox. Below are the steps to follow 1) First download the Centos 7 vagrant box from the...

Best Gnome gtk3 themes for Kali Linux 2.0,Debian and Ubuntu

Running any of the above Systems and feel like you could tweak it with some cool themes? why cant yu give a try on the Vertex-Themes, it's gonna amaze you!!!. Kali...

How to Install and Configure Fail2ban on CentOS 7, CentOS 6.x and Ubuntu 14.04

This is a step by step guide on installing and configuring Fail2ban software on CentOS 7, CentOS 6.x and Ubuntu 14.04 Server. It is easy to follow and working. Basic Theory on...

Easiest way to create Vagrant Box from existing Virtualbox VM

This is a short tutorial on how to create Vagrant machine from existing Virtualbox Virtual Machine.Vagrant tool give you best environment to manage and control your Virtual Machines. This works on...

How to Install Opera Mini updated in Debian, Kali and Ubuntu

Opera Mini is one of the world's most popular web browser especially on Android Devices.Opera Mini develop their application for both phone devices: Android, iOS, and Computers | PCs. Opera Mini...

How to protect grub with password on Debian, Ubuntu and Kali Linux

Hey all! Running your Linux Os and think you have secured it with user password to restrict access? Well that is not the case because somebody can easily change your user password using...

How to convert VirtualBox Disk Image (VDI) and img to Qcow2 format

This simple guide will show you the easiest way to convert VDI disk image to use on your Openstack Cloud environment. It's easy to use and you just have to isntall...

How to Fix Unable to mount Windows (NTFS) filesystem due to hibernation on Ubuntu,Debian...

This problem is very common among windows users dual booting it with Ubuntu. At times when you boot to your Ubuntu, Debian or any of its derivatives, you may get a...

How to convert mp4 to mp3 on Linux

Everyone at some point wanted or would like to convert mp4 to mp3 on Linux. If you would like to achieve that on any Linux system, don't worry because I've a good...