Openstack Liberty Lab Part Five: Configure Nova Compute Service

This is part Five of our Openstack Lab guide series.So far we've covered: Openstack Liberty Lab PART ONE: Setup Networking and all Prerequisites Openstack Liberty Lab PART TWO: Install Openstack Packages Openstack Liberty Lab...

Galera Cluster High Availability With HAProxy on Ubuntu 18.04 / CentOS 7

In our recent guide on How to Setup MariaDB Galera Cluster on Ubuntu 18.04 with HAProxy, we covered all the steps to install and configure Galera Cluster on Ubuntu 18.04. In this...

Easy Way to Install and Configure OpenVPN Server on Ubuntu 18.04 / Ubuntu 16.04

Do you want to access the internet securely and safely while leveraging open and untrusted networks like Wi-Fi access points?. OpenVPN is a full-featured, open-source Secure Socket Layer (SSL) VPN solution that supports...

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...

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 be used within the VOIP infrastructure build...

x11vnc server installation in Centos7 and Manjaro and remote connection via android vnc clients

Welcome to this exciting article where we get to install x11vnc server on Centos7 and Manjaro. After that, we shall use two android vnc clients (VNC Viewer and androidVNC) to connect...
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 the latest version of DokuWiki up and running on CentOS 7 base system. DokuWiki is a simple...
ifconfig vs ip usage guide on Linux

ifconfig vs ip usage guide on Linux

Welcome to ifconfig vs ip usage guide on Linux. ifconfig and ip commands are mostly useful when managing networking on Linux/Unix systems.  The ip command has been there for a while now but...

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...

Interactive process killer for Linux and macOS

Are you tired of running kill and pkill Linux commands every time you need to terminate a running Linux/macOS process?. Here I'll introduce you to top interactive Linux and Unix command line tools to Fabulously kill...