SysAdmin

If you are using Debian 9 or Debian 10 to manage servers, you must ensure that the transfer of data is as safe as possible. This tutorial covers the necessary steps you need to take to establish a secure connection with a remote machine by using SSH.

PostgreSQL is an open-source, relational database management system. Follow this guide for two ways of installing PostgreSQL on Ubuntu and connecting to your database.

NGINX (pronounced "Engine X") is a web server application used to set up a reverse proxy. This guide provides an in-depth look into setting up a reverse proxy via NGINX.

This guide explains how to fix the "Your PHP installation appears to be missing the MySQL extension" using several different methods.

The easiest way to set up a reverse proxy is using Docker and Nginx. Learn how to set up reverse proxy for web servers by running each service in a Docker container.

VirtualBox is a powerful tool for running a virtual operating system on your computer. In this tutorial learn how to install VirtualBox on Ubuntu 18.04.

The article shows you how to create a basic Python script that displays the current date and time. Find out how to use the datetime and time modules to format the information you need.

This article is meant to help system administrators configure SSH Keys on Ubuntu. The instructions allow you to set up encrypted credentials quickly.

If you do not keep your Ubuntu operating system up-to-date, you run the risk of compromising overall system security. Managing the process manually, wastes valuable resources and can even lead to overlooking essential security updates. In this tutorial, we explain how to Enable automatic security updates in Ubuntu 18.04. Doing so ensures your system stays protected with the latest security packages at all times.

You have probably noticed your Linux OS slowing down, especially when working harder. Understanding CPU processor usage is critical for overall performance measurement.