This tutorial series will teach you how to use GPG (Gnu Privacy Guard) in the Linux terminal, so you will be able to send encrypted email messages and digitally sign documents. What is GPG? GPG (GNU privacy guard) is an open-source implementation of the OpenPGP protocol. It’s a free alternative to the PGP…

This tutorial will be showing you how to install NextCloud on Ubuntu 22.04 LTS with Nginx web server. What’s NextCloud? NextCloud is a free open-source self-hosted cloud storage solution. It’s functionally similar to Dropbox. Proprietary cloud storage solutions (Dropbox, Google Drive, etc) are convenient, but at a price: they can be used…

Ubuntu 21.10, codenamed Impish Indri, is released on October 14, 2021. This tutorial is going to show you 2 ways to upgrade Ubuntu 20.04/Ubuntu 21.04 to 21.10. The first method uses the graphical update manager and the second method uses command line. …

Nginx is a very popular web server these days. This article will show you some common errors when running an Nginx web server and possible solutions. This is not a complete list. …

This tutorial is going to show you how to install MEGA.nz cloud drive on Ubuntu desktop and server. MEGA.nz is a cloud storage provider from New Zealand. It offers 20GB free storage upon registration and also allows you to get up to 50GB free space. MEGA.nz Features Zero-knowledge encryption (user-controlled end-to-end encryption). …

This tutorial will be showing you how to set up a local DNS resolver on Ubuntu 20.04 with Unbound. A DNS resolver is known by many names, some of which are listed below. They all refer to the same thing. full resolver (in contrast to stub resolver) recursive DNS server …

Pure-FTPd is a free open-source FTP server designed with security in mind. In this tutorial, we are going to learn how to set up an FTP server on Debian 10 with Pure-FTPd and how to enforce TLS encryption. Pure-FTPd Features: It supports SSL/TLS encryption and thus passwords and commands can be protected. It can run on most Unix-like systems: Linux, BSDs, Solaris, Darwin, HPUX, AIX, and even iPhone.

This tutorial will be showing you how to set up your own DNS over HTTPS (DoH) resolver on Debian with DNSdist, so your DNS queries can be encrypted and protected from prying eyes. What is DNS over HTTPS and Why It’s Important DNS (Domain Name System) is responsible for translating domain names to IP addresses. It’s designed in 1987…

his tutorial is going to show you how to build a WireGuard mesh VPN and use it to encrypt replication traffic in MariaDB Galera cluster. Prerequisites This is not a step-by-step tutorial. To use the knowledge in this article, it’s assumed that you have a basic understanding of how to set…