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...

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

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

Use virt-manager as a non-root user on linux

Hello all. I've been using KVM for a long time now. Every time i try to use virt-manager as a non-root user, i have to enter sudo password. This ain't a...

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...

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,...

Complete Installation of KVM,QEMU and Virt Manager on Arch Linux and Manjaro

KVM is one of the most used Virtualization softwares in Linux World. In fact most cloud providers use KVM as their Hypervisor of choice. Big projects including Openstack use KVM as...

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...
Firewalld on RHEL7

Getting Started With Firewalld on RHEL7 and CentOS 7

Firewalld on RHEL7: I’m a person who is nuts about security. Seeing multiple layers of security being circumvented on a network is just against the reasons I’m security-centric all times. Some...

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...
DokuWiki

How to install and configure DokuWiki on CentOS 7 with PHP 7.1

In this tutorial, I’m going to work you through all the steps needed to have latest version of DokuWiki up and running on CentOS 7 base system. DokuWiki is a simple to...