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Easiest way to Install Nvidia 3D Graphics acceleration driver on ArchLinux

Hello guys. I used to be a huge fan huge fan of Fedora but now i am running Archlinux as my Primary OS.I had...

Different ways of Configuring Static routes on Linux

In this guide of Different ways of Configuring Static routes in Linux, we're going to learn on different ways to configure static routes on...

How to configure static IP address on CentOS

Welcome to a tutorial on How to configure static IP address on CentOS. Have you been trying to find out an easy way to...

How to Add Extra Hard Disk to VirtualBox VM and set...

 For one reason or another, you may reach a point where you need additional storage for your Virtual Machine. Today, i will show show...

How to Fix Openstack Nova error “NoValidHost: No valid host was...

I was trying to Deploy Openstack for testing inside VirtualBox and i got an error "NoValidHost: No valid host was found.There are not enough...

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

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...

How to fix Vagrant ssh authentication failure after packaging vagrant box

Sometimes when you package VirtualBox VM to get vagrant box, you get message "Warning: Authentication failure. Retrying... " while trying to start vagrant machine....

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

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...

How to Integrate Openfire XMPP Chat Server with Asterisk PBX server

After successfully Installing Asterisk PBX server and Installing Openfire XMPP Chat server, it's time to integrate the two so that our Chat server can...

How to Install Latest Kamailio SIP Server on CentOS 7

This tutorial is part of Series tutorials on Building an Enterprise VOIP System.This guide was tested using: Kamailio 4.2.3 CentOS 7.2 There are many ways...