Let’s Encrypt is a Certificate Authority (CA) that facilitates obtaining and installing free TLS/SSL certificates, thereby enabling encrypted HTTPS on web…

When you first create a new CentOS 8 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you...

The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular sof...

The Apache web server uses virtual hosts to manage multiple domains on a single instance. Similarly, PHP-FPM uses a daemon to manage multiple PHP versions on a single instance. Together, you can use Apache and PHP-FPM...

Nginx is one of the most popular web servers in the world and is responsible for hosting some of the largest and highest-traffic sites on the internet. It is more resource-friendly than Apache in most cases and can be...

Building a Certificate Authority (CA) will enable to you configure, test, and run programs that require encrypted connections between a client and server. With a private CA, you can issue certificates for users, serve...

In this guide, we will show you how to set up a firewalld firewall for your CentOS 8 server, and cover the basics of managing the firewall with the firewall-cmd administrative tool.

MySQL is an open-source database management system, commonly installed as part of the popular LEMP (Linux, Nginx, MySQL/MariaDB, PHP/Python/Perl) stack. It implements the relational model and Structured Query Language...

In this guide, we will show you how to create and configure a self-signed TLS/SSL certificate with the Apache web server on a CentOS 8 machine.

OpenVPN is an open-source Virtual Private Network (VPN) application that lets you create and join a private network securely over the public Internet. In this tutorial you will learn how to install and configure OpenV...

SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a CentOS server, chances are you will spend most of your time in a terminal session connected to your s...

In this guide, we will show you three different ways of getting Node.js installed on a CentOS 8 server: using dnf to install the nodejs package from CentOS's default AppStream repository; installing nvm, the Node Vers...

This guide will show you how to create a new user with sudo access on CentOS 8, without having to modify your server's /etc/sudoers file.

PostgreSQL, or Postgres, is a relational database management system that provides an implementation of the SQL querying language. It is a popular choice for many small and large projects and has the advantage of bein...

Cron is a time-based job scheduling daemon found in Unix-like operating systems, including Linux distributions. This guide provides an overview of how to schedule tasks using cron's special syntax on a machine running...

The LEMP software stack is a group of software that can be used to serve dynamic web pages and web applications written in PHP. The name "LEMP" is an acronym that describes a Linux operating system, with an (E)Nginx w...

This tutorial will guide you through installing Python on a CentOS 8 cloud server and setting up a programming environment via the command line. An increasingly popular language with many different applications, Pytho...

The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular sof...

In this tutorial, we will explain how to install the latest version of MariaDB on a CentOS 8 server.

In this tutorial, you’ll install a LEMP stack on a CentOS 8 server. Although MySQL is available from the default repositories in CentOS 8, this guide will walk through the process of setting up a LEMP stack with Maria...