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...

Openstack Liberty Lab Part Six: Configure Neutron Network Service

We'll install Neutron Server on Control node which Keystone/Glance/Nova API are already installed.For our case, the control node runs all openstack services. Before writing this part of the tutorial, i had...

How to Create and Configure Bridge Networking For KVM in LinuX

This is a how to Create and Configure Bridge Networking For KVM in RHEL, CentOS 7.x, CentOS 6.x,Ubuntu 15.04, Ubuntu 14.04,Debian 8 Jessie, Debian Wheezy and all other Debian Derivatives. We have...

Virtualization on Ubuntu Server and Ubuntu Desktop 14.04 with KVM

Virtualization on both Ubuntu and Ubuntu Desktop made easier with Kernel-based Virtual Machine virtualization infrastructure for the Linux Kernel. Virtualization is the hottest trending topic in system Administration nowadays. Virtualization is what...
BtrFS filesystem in Linux

Understanding and Working With BtrFS Filesystem in Linux

This blog post is aimed at helping you get started with B-tree filesystem (BtrFS). Kernel-based filesystems in the Linux kernel tree are currently over 55 with each filesystem having its pros...

Openstack Liberty Lab Part Eight: Add VM images

In this part of the series we're going to work through complete process of Adding images used to soin virtual machines on Openstack Cloud platorm.I will show you how to use...

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. Check Step by step guide on using existing...
working with qemu-img

Working with qemu-img in Linux

Working with qemu-img in Linux: This is a brief qemu-img cheatsheet for working with qemu-img command on Linux and Unix systems supporting qemu. I made this qemu-img cheatsheet for my own...

How to install Linux Kernel Headers on Kali Linux 2.0 (Kali Sana)

Just installed Kali Linux 2.0 or upgraded to Kali Linux 2.0 and you need to install Kernel headers?. On our previous article we talked about how to upgrade to Kali Linux...

Openstack Liberty Lab Part Two: Install Openstack Packages

After completing Part one of Openstack Lab guide series: Openstack Liberty Lab PART ONE: Setup Networking and all Prerequisites We're ready to install Openstack packages in this part two guide. From Part three...