In this article, we will discuss a smooth upgrade path for Ubuntu 20.04 machines nearing End of Life (EOL). We will cover the key concepts, steps, and precautions to take when upgrading your distribution.
Understanding the Ubuntu 20.04 EOL
Ubuntu 20.04 LTS, codenamed Focal Fossa, was released on April 23, 2020, and is supported until April 2025. However, it is recommended to start planning the upgrade process well in advance to ensure a smooth transition.
Preparing for the Upgrade
Before starting the upgrade process, it's essential to prepare your system:
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Backup your data: Always backup your important data before starting any major system changes.
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Check your boot partition size: Ubuntu 20.04's boot partition is relatively small, which can cause issues during the upgrade process if you have installed many packages. If necessary, resize your boot partition.
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Trust issues with distributions: If you have had issues with distribution upgrades in the past, consider experimenting with alternative distributions like Arch Linux or its derivatives.
Upgrading from Ubuntu 20.04 to 22.04
Now, let's discuss the upgrade process from Ubuntu 20.04 to 22.04 (Jammy Jellyfish).
Step 1: Update your current system
sudo apt update && sudo apt upgrade -y
Step 2: Install the Update Manager Commandline Tool
sudo apt install update-manager-core
Step 3: Enable the new release
sudo sed -i 's/Prompt=lts/Prompt=normal/' /etc/update-manager/release-upgrades
sudo apt update
Step 4: Upgrade to the new release
sudo do-release-upgrade -d
Follow the on-screen instructions to complete the upgrade process.
Summary
Upgrading Ubuntu 20.04 to 22.04 involves several steps, including updating your current system, installing the Update Manager Commandline Tool, enabling the new release, and upgrading to the new release. It's essential to backup your data, check your boot partition size, and address any trust issues with distributions before starting the upgrade process.
References
- Ubuntu 20.04 LTS End of Life (EOL)
- How to Upgrade Ubuntu
- Resizing a Linux Partition
- Upgrading from Ubuntu 20.04 LTS to 22.04 LTS
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