GPG Error When Installing Jenkins

Package jenkins is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'jenkins' has no installation candidate This is the wrror you got. Yes it made me crazy. Anyways, I'm...

How to install Moodle on Ubuntu 16.04

Hello again, in this article you will be able to learn another experience i got in my career. As a person who loves to do more experiments, I just bought two servers (Linode and Digital Ocean) with different level Resources. Install and Configure Apache and Services Install PHP 7.2 (Minimum...

Install MariaDB 10.4 on Ubuntu 18.04

Hello friends, this tutorial is specially targeted on moodle installation. When I tried to install MariaDB updated version, server installed the old one. But When I tried to upgrade with MySQL-upgrade command, server said, you have the latest version. But moodle said, not you don't have the latest version, just...

How to Install Jenkins on Ubuntu 20.04

Hello all, Let’s learn how to install Jenkins on an Ubuntu VPS v20.04 easily without wasting your time. This is an easy and short article which only made for showing all the steps you need to follow. Before going to the installation process, you must already have a VPS with...

How to Remove Front-end Admin Bar on WordPress

Hello friends, I brought you another WordPress tutorial. Hiding the admin bar from front-end is a must among the WordPress developers. Because, it's not helping for us when we do some changes with fixed positions. Specially for fixed navigation. Because of that, there is a need to hide it before...

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...