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
Networking
Disable SSH Password Login for Specific Users in Ubuntu 18.04
Today, we are going to learn how to disable ssh password login for specific users in Ubuntu 18.04. In our previous guide, we learnt how
How to Protect Single User Mode with Password in Ubuntu 18.04
In this tutorial, we are going to learn how to protect single user mode with password on Ubuntu 18.04 server such that whoever wants to
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
Install and use NMCLI tool on Debian Linux
In this tutorial, we provide a step by step guide on how to install and use NMCLI tool on Debian Linux. According to man pages:
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
Install VirtualBox 6.1 on Ubuntu 18.04 Desktop
VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite a number of new major features. How to install VirtualBox
Configure Postfix to Use Gmail SMTP on Ubuntu 18.04
In this guide, we are going to learn how to configure Postfix to use Gmail SMTP on Ubuntu 18.04 to relay mails. To ensure reliable
Install and Setup OpenVPN Server on Fedora 29/CentOS 7
In this guide, we are going to learn how to Install and Setup OpenVPN Server on Fedora 29/CentOS 7. OpenVPN is an open-source VPN software
Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary
How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary? Well, in one way or another, you might have encountered an a