Skip to main content

Talen
NL, ENG

Bron

How to Upgrade from Ubuntu 20.04 LTS to Ubuntu 22.04 LTS

Prerequisites / Vereisten

Before you begin the upgrade, ensure you meet the following requirements:

  1. At least 20 GB of free disk space. (How to check available disk space?) (How to update disk size in Proxmox for Ubuntu VM)
  2. Regular user with sudo previleges, this is the user you will use to perform the upgrade process.
    1. This user has access to the SSH or the Terminal app.
  3. Ensure you have a fast and stable internet connection.

Recommended

Redundant power and internet connection.

  1. Uninterupible power via UPS, Ensure your UPS or battery are fully charged and working.
  2. Redundant internet connection via Dual WAN / MIFI

Redundant hardware components

Dual Power supply
Dual Processor

Redundant Network components

Dual Modem, Firewall, Switches.

Warning / Waarschuwing

  1. Do not cancel the operation once it’s begun.

How to

How to check available disk space?

You can check the available disk space using the following terminal command

Ubuntu all versions; 1 – 22

df -Th

How to ensure you have a regular user configured with sudo privileges with access to SSH or the terminal app.

 

  1. Ensure your UPS or battery are fully charged and working.
  2. Close all open applications.

Step 1: Backup all your data

It is prudent to take a backup of all your databases and files before embarking on any major upgrade of an operating system. This ensures you will not lose your data in case something goes wrong during the upgrade process.

Cloud server providers offer snapshot services. Therefore, if you are running a virtual machine or cloud VPS, ensure you take a complete snapshot so that you can restore your instance in case it breaks.

Backup Ubuntu VM in Proxmox

GUI

  1. Login Proxmox GUI
  2. Click on: VM
  3. Click on Backup
    1. Check storage Backup Location (faculatatief)
      1. Top bar – Click: Storage: field (local for example)
      2. Available and Total size is visible
  4. Click on Backup now

Veel gestelde vragen aan de hand van dit artikel

Wat is de afkorting LTS?

Long-term support.

Wat is LTS?

Beschrijving (kort)

Dit is een manier voor een softwaresysteem om aan te geven dat dit om een verlengde update versie gaat.

Omschrijving (lang)

Dit is een manier voor een softwaresysteem om aan te geven dat dit om een verlengde update versie gaat.
Bedrijven zullen door de afhankelijkheid van betrouwbaarheid en beschikbaarheid van software steeds meer de beslissing maken om een LTS software te installeren ter bevordering van de beschikbaarheid van hun software, systeem en diensten.

https://en.wikipedia.org/wiki/Reliability_engineering

Zie bron: https://en.wikipedia.org/wiki/Long-term_support.

Chronologisch

  1. Nakijken Spullen
  2. Nakijken Software
  3. Installeren
  4. Configureren
  5. Top Things to Do After Installing Ubuntu 22.04 LTS (https://ubuntuhandbook.org/index.php/2022/04/things-to-do-ubuntu-22-04/)

 

Peter-Paul Rijsdijk

Eigenaar Webstijlen / WordPress en Webhosting expert Vragen? 0643873811 / peterpaul@webstijlen.nl