Install and Setup iRedMail Mail Server on Ubuntu 22.04/20.04
Welcome to our tutorial on how to install and setup iRedMail mail server on Ubuntu 22.04/20.04. iRedMail is an open-source mail server solution. It provides
Networking
How to Configure RainLoop Web mail Client on Ubuntu 18.04
In our previous guide, we demonstrated how to install RainLoop Webmail client on Ubuntu 18.04. In this tutorial, we are going to learn how to
Allow/Deny Specific Users to Login via SSH on Ubuntu 18.04
Hello there, today we are going to learn how to allow/deny specific users to login via SSH on Ubuntu 18.04 system. Allow/Deny Specific Users to
Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering
Securing OpenShift networking with network policies is one of the most critical steps in moving from a flat, permissive cluster to a production-ready, zero-trust architecture.
How to Set System Wide Proxy in Ubuntu 18.04
In this guide, we are going to learn how to set system wide proxy in Ubuntu 18.04. Imagine you are in a local network environment
Create Virtual/Secondary IP addresses on an Interface in Linux
Follow through this tutorial to learn how to create virtual/secondary IP addresses on an interface in Linux. This enables you to assign multiple IP addresses
Easy way to Test Internet Speed on Linux Terminal
In this tutorial, we will show you an easy way to test Internet speed on Linux terminal. More often than not you might want to
Enable SSH 2-Factor Authentication on Ubuntu 18.04
Welcome to our guide on how to enable SSH 2-Factor authentication on Ubuntu 18.04 system. Under normal circumstances, we usually login to a remote system
Configure Static IP Addresses using Netplan on Ubuntu
How to set static IP addresses using Netplan on Ubuntu? In this tutorial, you will learn how to configure static IP addresses using Netplan on
Install TeamPass Password Manager on Ubuntu 18.04
Today we are going to learn how to install Teampass password manager on Ubuntu 18.04. Teampass is a collaborative password manager tool that organizes password