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How to Encrypt Emails with OpenPGP in Thunderbird (2022)

In previous parts of the GPG tutorial series, I explained how GPG encryption works. In this tutorial, you will learn…

A Practical GPG Guide Part 3: Encrypt and Decrypt Files

In part 2, I explained how to upload a public key to a key server and import public key to…

A Practical Guide to GPG Part 2: Public Key Management

In part 1 of this GPG tutorial series, you learned the benefits of GPG and generated your public/private key pair.…

A Practical Guide to GPG Part 1: Generate Your Public/Private Key Pair

This tutorial series will teach you how to use GPG (Gnu Privacy Guard) in the Linux terminal, so you will…

Install NextCloud on Ubuntu 22.04 (Nginx + PostgreSQL + PHP8)

This tutorial will be showing you how to install NextCloud on Ubuntu 22.04 LTS with Nginx web server. What’s NextCloud?…

How to Install Passbolt with PostgreSQL on Ubuntu 22.04 Server

Passbolt is an open-source self-hosted password manager, which allows you to securely store and share login credentials of website, router…

Protect Your Eyes From Computer Screen Harm with IRIS

Iris is an eye protection software available for Linux, macOS, Windows, ChromeOS, Android, iOS, and Windows Phone. This tutorial will…

2 Ways to Upgrade Ubuntu 21.10 To Ubuntu 22.04 (Graphical & Terminal)

Ubuntu 22.04 Jammy Jellyfish will be released on April 21, 2022. This tutorial is going to show you 2 ways…

2 Ways to Upgrade Ubuntu 20.04 To Ubuntu 22.04 (Graphical & Terminal)

Ubuntu 22.04 Jammy Jellyfish will be released on April 21, 2022. This tutorial is going to show you 2 ways…

Connect to Wi-Fi From Terminal on Debian 11/10 with WPA Supplicant

This tutorial is going to show you how to connect to Wi-Fi network from the command line on Debian 11/10…

2 Ways to Upgrade Ubuntu 20.04/21.04 To 21.10 (GUI & Terminal)

Ubuntu 21.10, codenamed Impish Indri, is released on October 14, 2021. This tutorial is going to show you 2 ways…

Upgrade Debian 10 Buster to Debian 11 Bullseye From Command Line

Debian 11, codenamed Bullseye, was released on August 14, 2021. This tutorial is going to show you how to upgrade…

How to Install FileRun on Ubuntu 20.04 with Apache/Nginx

fThis tutorial will be showing you how to install FileRun on Ubuntu 20.04 LTS with Apache/Nginx web server. FileRun is…

How to Migrate From CentOS 8 to Rocky Linux 8/Alma Linux 8

As you may already know, Red Hat decided to abandon the vanilla CentOS 8 project, which will reach end-of-life on…

How to Use Apache JMeter to Load Test Web Applications

Apache JMeter is an open-source load testing tool, available for Linux, macOS, and Windows. In a previous tutorial, we explained…

Linux Server Performance Monitoring with Netdata (2022)

Netdata is an open-source real-time Linux server performance monitoring tool with a beautiful web front-end. It allows you to monitor…

How to Fix Common Nginx Web Server Errors

Nginx is a very popular web server these days. This article will show you some common errors when running an…

How to Install Mega.nz Cloud Drive on Ubuntu – Free 20GB Storage

This tutorial is going to show you how to install MEGA.nz cloud drive on Ubuntu desktop and server. MEGA.nz is…

Set Up Unbound DNS Resolver on Ubuntu 20.04 Server

This tutorial will be showing you how to set up a local DNS resolver on Ubuntu 20.04 with Unbound. A…

How to Install Syncthing on Linux Mint 20

This tutorial will show you how to install Syncthing on Linux Mint 20. Syncthing is a free, peer-to-peer continuous file…