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Ubuntu

If you just downloaded and installed Ubuntu 20.04, you may wish to check versions of the software available to you on this Linux system. This article provides you with the way of checking software versions of commonly used software on Ubuntu 20.04.

Additionally, it presents you with up to date latest versions of the selected Ubuntu 20.04 software before you decide to upgrade your current Ubuntu system.

In this tutorial you will learn:

  • The latest version of commonly used software on Ubuntu 20.04
  • Check version of Apache2, Bash, G++, GCC, Docker, Gnome, Java, Kernel, MariaDB, MySQL, Nginx, PHP, Python, Qt and Zfs
  • How to check software version on Ubuntu 20.04.

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Ubuntu
In this tutorial we will use Timeshift to create the full system backup snapshot of Ubuntu 20.04 system. Furthermore, you will learn how to restore from your previously created backup snapshot.

In this tutorial you will learn:
  • How to create full system backup snapshot
  • How to restore from backup snapshot
  • How to create and restore backup from the command line

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Ubuntu
In this Ubuntu 20.04 Download guide you will learn where to download and how to download Ubuntu 20.04 LTS ISO image for Ubuntu, Kubuntu, Ubuntu Budgie, Ubuntu Studio, Xubuntu, Lubuntu, Kylin desktops and Ubuntu 20.04 Server.

Additionally, you can download Ubuntu 20.04 server preinstalled images for Raspberry Pi and various other architectures. Lastly, hypervisor cloud images such as Azure, Vagrant, KVM or VirtualBox are also available for download.

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Ubuntu

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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Ubuntu
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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Ubuntu
In this tutorial you will learn how to configure sudo without the password. Meaning that the sudo command will not prompt you to enter password hence rendering your sudo command completely passwordless.
WARNING
Configuring your sudo command with no password may lead to a security breach, hence leaving your system and data compromised. You are adviced not to proceed with sudo passwordless configuration!


In this tutorial you will learn:
  • How to disable password for the sudo command
  • How to disable sudo password for a specific administrative commands

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