SysAdmin

How to Install PostgreSQL on Ubuntu

March 14, 2024

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.

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How to Set up & Use NGINX as a Reverse Proxy


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.

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How to Fix Missing PHP MySQL Extension in WordPress


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

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How to Set up Nginx as Reverse Proxy for Docker Container


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.

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How to Install VirtualBox on Ubuntu

March 13, 2024

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.

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How to Get the Current Date and Time in Python

March 12, 2024

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.

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How to Generate SSH Keys on Ubuntu

March 7, 2024

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

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How to Set up and Enable Automatic Updates on Ubuntu


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.

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How to Check CPU Utilization in Linux with Command Line

March 6, 2024

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

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Fix "sub-process /usr/bin/dpkg returned an error code (1)"

March 5, 2024

Ddpkg is a tool used to install packages in Debian-based distributions. The error message “Sub-process /usr/bin/dpkg returned an error code (1)” indicates a problem with the package installer. This guide shows different methods for resolving the issue.

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