Complete guide on how to Install Openfire XMPP chat server on Centos 7.x

Openfire is a powerful instant messaging (IM) and chat server that uses XMPP/Jabber protocol. Openfire is a very popular Messaging (Chat) and Presence Server,It is the base for a range of...

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...

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 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...

Different ways of Configuring Static routes in Linux

Here we are going to learn on different ways to configure static routes on a Linux system. be it Ubuntu, Kali Linux, CentOS, Fedora, Linux Mint or any other Linux system....

Install Zsh on Linux and Configure

This tutorial will guide you through steps to Install Zsh on Linux and Configure it to suite your needs. Definition of shell from Wikipedia: A Unix shell is a command-line interpreter or shell...

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...
create windows 10 bootable USB on Linux

Create Windows 10 bootable USB on Linux

Create Windows 10 bootable USB on Linux : Want to create a bootable usb stick for Windows 10 on your Linux box?. This has been made simple by WinUSB. WinUSB is a...

How to Protect GRUB Bootloader with password on CentOS 7 and RHEL 7

Grub is the reference implementation of the Free Software Foundation's Multi-boot Specification, which provides a user the choice to boot one of multiple operating systems installed on a computer or select...

How to install and configure Festival for Asterisk use

We'll go through process of installing and Configuring Festival Speech-to-text utility developed by University of Edinburgh, UK community. Text-to-speech conversion is very crucial when working with Asterisk Pbx or any Media servers...