Openstack Liberty Lab Part Three: Configuring Keystone identity service

So far we've covered part one and part two of our Openstack Lab guide series. The aim of this series Labs is not to prepare you for Openstack Sys Admin role,...

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...

Openstack Liberty Lab Part Four: Configuring Glance Image Service

Glance is image service which enables users to discover, register, and retrieve virtual machine images. I assume you installed glance openstack image service in Part one of this Lab series, if you...

How To Clone and Use KVM Virtual Machine in Linux

The most important and most used feature in world of Virtualization is the ability to clone a VM,take snapshot of the current state of a VM, Live migrate a VM, e.t.c. Lately...

Openstack Liberty Lab Part One: Setup Networking and all Prerequisites

Hi all. I've decided to put together Openstack Lab guide for those who would like to test and learn about Openstack Cloud Computing platform. This is part one of Openstack Lab...

Permission Denied While Starting instance in Openstack

As i was building Openstack Lab, i happen to encounter error message as it was seen on log file from tail -f /var/log/nova/nova-compute.log. # tail -f /var/log/nova/nova-compute.log 2016-03-21 22:05:34.283 1228 ERROR oslo_messaging.rpc.dispatcher     rv...
Kickstart on KVM

RHEL and CentOS Kickstart on KVM Automated Installation With virt-install

Hello all. This is my first tutorial on KVM Virtualization prepared as a reference and to help you automate boring GUI-based installation questions. We're using Kickstart on KVM to deploy VMs....

Openstack Liberty Lab Part Seven: Configure Horizon Dashboard Service

Openstack Horizon service is just a web interface that enables cloud administrators and users to manage various OpenStack resources and services.It is powered by django which is a popular web framework. The...

How to Fix Openstack Nova error “NoValidHost: No valid host was found.There are not...

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 hosts available." while trying to run an...

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...