ZFS on Ubuntu 20.04

Configuring ZFS on Ubuntu 20.04

Once you have finished installing ZFS on Ubuntu 20.04, the next step is to do some configuration with your hard disks. There are a lot of possibilities with ZFS, and what you decide to do will depend on how many drives you have available and what your storage goals are. For example, would you rather your storage array focus on speed or redundancy? Do you have 3 disks or 20? What about encryption?

Whichever type of configuration you’re going for, we’ll show you how to get started in this guide. Read on as we cover basic usage commands in ZFS and setting up zpools, RAID-Z, encryption, and more.

In this tutorial you will learn:

  • How to install ZFS on Ubuntu 20.04
  • How to create and destroy zpools
  • Configure different levels of RAID and RAID-Z
  • How to use encryption with ZFS

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Unable to play the file / Missing decoder on Ubuntu 20.04 LTS Focal Fossa

Unable to play the file / Missing decoder on Ubuntu 20.04 LTS Focal Fossa

In this tutorial you will learn how to install all commonly used media codecs and fonts for Ubuntu 20.04 LTS Focal Fossa. By default when you attempt to play multimedia file using the default media player the error message appears stating that the video or audio player is unable to play file due the the missing decoder.

In this tutorial you will learn:

  • How to install video and audio codes
  • How to check for installed decoders, encoders and codes

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Ubuntu 20.04 GPG error: The following signatures couldn't be verified

Ubuntu 20.04 GPG error: The following signatures couldn’t be verified

The Ubuntu 20.04 GPG error: The following signatures couldn't be verified is a most common error when attempting to include third party package repositories to the apt package manager.

The GPG error should rather be treated as a warning against potential package installation from unknown sources. Therefore, the GPG error message prompts the user to verify and manually import the third party signature belonging to relevant package developer.

In this tutorial you will learn:

  • How to import public key signature

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Create bootable Ubuntu 20.04 USB startup disk

Create bootable Ubuntu 20.04 USB startup disk

In this tutorial you will learn how to create a bootable Ubuntu 20.04 USB startup disk. Two methods of bootable Ubuntu 20.04 USB startup disk creation will be shown. To be specific we will be creating a bootable Ubuntu 20.04 USB using any existing Ubuntu Desktop or by using command line on any GNU/Linux distribution.

In this tutorial you will learn:

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Graphics driver check on Ubuntu 20.04

This tutorial will show you how to check what graphics driver your system is currently using and what graphics card model is part of your system’s hardware.

In this tutorial you will learn:

  • How to check what graphics driver your system is using
  • How to check what graphics card model you have

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