Add Controller Nodes into Existing OpenStack Cluster using Kolla-Ansible
Is it possible to add controller nodes into existing OpenStack cluster using Kolla-Ansible? Of course, yes! In this blog post, you will learn how to
HowTos
Easily Upgrade Ubuntu 22.04 to Ubuntu 24.04
To easily upgrade Ubuntu 22.04 to Ubuntu 24.04, follow through this guide. Well, Ubuntu 24.04, code-named Noble Numbat is now available for testing with official
How to Install RainLoop Webmail Client with Nginx on Ubuntu 18.04
In this tutorial, we are going to learn how to install RainLoop Webmail on Ubuntu 18.04. RainLoop Webmail is a simple, modern and fast web-based
Install Zammad Ticketing System on Ubuntu 22.04
Welcome to our tutorial on how to install Zammad ticketing system on Ubuntu 22.04. According to Zammad documentation page, “Zammad is a web based open
Setup IPSEC VPN using StrongSwan on Debian 10
In this guide, we are going to learn how to setup IPSec VPN using StrongSwan on Debian 10. StrongSwan is an opensource VPN software for
Install VirtualBox Guest Additions on Ubuntu 24.04
In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. If you have installed Ubuntu 24.04 on VirtualBox, you realize
7 Essential Tools Your Business Should Be Using Today
In an ever-changing business market, you may find it necessary to be aware of the latest technological advancements and trends. Using the latest technologies in
Monitor Linux Hosts using Nagios check_by_ssh Plugin
Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This enables Nagios Server to monitor system metrics and services on
Ship System Logs to ELK Stack using Elastic Agents
This tutorial will take you through how to ship system logs to ELK stack using Elastic Agents. You might be so used to using Elastic
Install LEMP Stack on Ubuntu 22.04
Welcome to our tutorial on how to install LEMP stack on Ubuntu 22.04. LEMP Stack is a group of open source tools commonly used for developing