How to fix relayhost_map lookup error

Hello friends, I brought another issue that I got while working on the AWS mail configuration. The main issue was I could receive emails on AWS, But because of blocked port 25, I couldn't send an email to others. However, I was using the Plesk panel with Godaddy DNS Manager,...

How to Install Node.js and npm on Ubuntu 18.04

Node JS is an open-source javascript run-time environment that allows server-side execution o javascript. Anyways, I'm not going to describe everything about Node JS. But, You will be able to learn how to install node and npm on ubuntu installed VPS. Without much talk, let' start the installation and run...

How to Install Jenkins on Ubuntu 18.04

Hello all, Let's learn how to install Jenkins on an Ubuntu VPS easily without wasting your time. This is an easy and short article that is only made for showing all the steps you need to follow. Before going to the installation process, you must already have a VPS with...