In this guide, you will build a Python application using the Flask microframework on Ubuntu 20.04. The majority of this tutorial is about how to set up the Gunicorn application server to run the application and how t...

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...

A private Certificate Authority that runs on Ubuntu 20.04 will enable you to configure, test, and run programs that require encrypted connections between a client and a server. Using a private CA, you can issue certif...

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...

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...

Building a private Certificate Authority on Debian 10 will enable you to configure, test, and run programs that require encrypted connections between a client and a server. With a private CA, you can issue certificate...

Velero is a convenient backup tool for Kubernetes clusters that compresses and backs up Kubernetes objects to object storage. It also takes snapshots of your cluster’s Persistent Volumes using your cloud provider’s bl...

This tutorial will explore how to create roles with templates and static files. Once you are familiar with the fundamentals of building roles, we'll use Ansible Galaxy (https://galaxy.ansible.com/) to incorporate comm...

Learning how to manage users effectively is an essential skill for any Linux system administrator. In this guide, we will discuss how to add and delete users and assign sudo privileges on an Ubuntu 18.04 server.

MariaDB is an open-source database management system, commonly used for the MySQL portion of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack.

This tutorial will guide you through downloading and installing Go, as well as compiling and executing a traditional “Hello, World!” program, on a Debian 10 server.

Bind, the most popular DNS server, is used as the backbone of much of the world's DNS system. In this guide, we will discuss how to configure a pair of DNS servers to act as primary and secondary authoritative-only D...