How to switch back networking to /etc/network/interfaces on Ubuntu 20.04 Focal Fossa Linux

How to switch back networking to /etc/network/interfaces on Ubuntu 20.04 Focal Fossa Linux

This article will explain how to switch back networking from NetPlan/CloudInit on Ubuntu 20.04 Focal Fossa Linux to yet now already obsolete networking managed via /etc/network/interfaces.

In this tutorial you will learn:

  • How to revert to eth0..n network naming convention
  • How to install ifupdown
  • How to remove CloudInit
  • How to enable networking daemon
WARNING
Switching back from NetPlan/CloudInit to the now obsolete networking daemon is not supported nor recommended as you might end up with a broken system.

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Starting OpenVPN Server on Ubuntu 20.04

Basic Ubuntu 20.04 OpenVPN Client/Server connection setup

Setting up a VPN is a great way for a server to share network resources with a client. Configuring one, however, can seem a little intimidating to some users. In this guide, we’ll show you how to setup a VPN using OpenVPN on Ubuntu 20.04 Focal Fossa, while managing to avoid advanced configuration and technical jargon along the way.

In this tutorial you will learn:

  • How to install OpenVPN
  • How to configure an OpenVPN Server
  • How to connect to a VPN server from client machine
  • How to verify a successful VPN connection

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Upgrade from Ubuntu 19.10 to Ubuntu 20.04

How To Upgrade Ubuntu To 20.04 LTS Focal Fossa

The latest Ubuntu release, 20.04, marks an opportunity for both LTS users and people on the previous 19.10 release to update Ubuntu and take advantage of the latest features.

Thanks to Debian’s upgrade process, it should be relatively simple to either upgrade Ubuntu 18.04 to 20.04 (both LTS) or to upgrade Ubuntu 19.10 to 20.04 LTS Focal Fossa.

In this tutorial you will learn:

  • How to run your Ubuntu Update
  • How to Upgrade Ubuntu The Ubuntu Way
  • How to Upgrade Ubuntu The Debian Way
  • How to Upgrade Ubuntu 18.04 to 20.04 (both LTS)
  • How to Upgrade Ubuntu 19.10 to 20.04 LTS

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Docker on Ubuntu 20.04 LTS Focal Fossa

How to Install Docker On Ubuntu 20.04 LTS Focal Fossa

Docker is a combination of platform as a service products that use virtualization to provide software in packages called containers which can communicate with each other through well-defined channels. This tutorial focuses on Installing the latest Docker release on Ubuntu 20.04 LTS Focal Fossa.

In this tutorial you will learn:

  • How to install Docker from the standard Ubuntu Repository
  • How to enable Docker to start after the system reboot
  • How to allow regular user to administrate Docker

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IntelliJ IDEA 3D creation suite on Ubuntu 20.04 Focal Fossa

How to install IntelliJ IDEA on Ubuntu 20.04 Linux Desktop

In this tutorial we will be installing the IntelliJ IDEA on Ubuntu 20.04 Focal Fossa Desktop.

WHAT IS INTELLIJ IDEA?
IntelliJ IDEA is an integrated development environment written in Java for developing computer software. It is developed by JetBrains, and is available as an Apache 2 Licensed community edition, and in a proprietary commercial edition. Both can be used for commercial development.. Reference: https://en.wikipedia.org/wiki/IntelliJ_IDEA

In this tutorial you will learn:

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Ubuntu 20.04 PostgreSQL

Ubuntu 20.04 PostgreSQL Installation

PostgreSQL is a database management system, similar to MySQL in many respects but with some key differences. Like MySQL, it’s commonly hosted on Linux. In this guide, we’ll show how to run a PostgreSQL server on Ubuntu 20.04 Focal Fossa, as well as installing the client version in case you just need to connect to an external PostgreSQL database.

In this tutorial you will learn:

  • How to install PostgreSQL Client and connect to a server
  • How to install and configure PostgreSQL Server

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FFmpeg on Ubuntu 20.04

Ubuntu 20.04 FFmpeg installation

FFmpeg is a library of tools used for processing video and audio files. You can do a lot of things with it, such as encode videos or transcode audio to different formats, to name a few. In this guide, we’ll show you how to install it on Ubuntu 20.04 Focal Fossa. There are two options for doing so, either from Ubuntu’s software repository or compiling the latest version directly from source. We’ll show you both methods below.

In this tutorial you will learn:

  • How to install FFmpeg from Ubuntu software repository
  • How to install latest FFmpeg compiled from source

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ZOOM teleconferencing client on Ubuntu 20.04 Focal Fossa Desktop

Ubuntu 20.04 Zoom installation

In this tutorial we will be installing the ZOOM teleconferencing client on Ubuntu 20.04 Focal Fossa Desktop.

WHAT IS ZOOM?
ZOOM is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, collaboration, chat, and webinars across mobile devices, desktops, telephones, and room systems. Zoom Rooms is the original software-based conference room solution used around the world in board, conference, huddle, and training rooms, as well as executive offices and classrooms. Reference: https://zoom.us/about

In this tutorial you will learn:

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How to install Ubuntu 20.04 on VirtualBox

In this tutorial, we’ll show you how to install Ubuntu 20.04 Focal Fossa in a VirtualBox virtual machine. You’ll be able to follow along with this guide whether you are using Windows, Ubuntu, or some other Linux distribution. Configuration of VirtualBox and the installation of Ubuntu 20.04 itself stays very consistent across various platforms.

Installing Ubuntu in a virtual machine is a great way to test out applications without having to install software on your host system. It’s also an excellent way to test out Ubuntu itself, if you aren’t already running it. If you’re a Windows 10 user, you also have the option to install Ubuntu 20.04 alongside Windows 10 (dual boot), if you’d prefer that to a virtual machine.

In this tutorial you will learn:

  • How to configure VirtualBox to host Ubuntu 20.04
  • How to create a Ubuntu 20.04 virtual machine

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