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Documentation Index

Fetch the complete documentation index at: https://help.onetsolutions.net/llms.txt

Use this file to discover all available pages before exploring further.

This guide walks you through upgrading your Ubuntu system to the latest version.
Before you begin:
  • Backup all important data
  • Create a snapshot of your VPS
  • Ensure you have console access in case of issues

Pre-Upgrade Preparation

1

Check current version

lsb_release -a
2

Update existing packages

sudo apt update && sudo apt upgrade -y
3

Install update manager

sudo apt install update-manager-core

Upgrade Process

1

Start the upgrade

sudo do-release-upgrade
2

Follow prompts

The upgrade tool will guide you through the process. Review and confirm package changes when prompted.
3

Reboot

When the upgrade completes:
sudo reboot
4

Verify upgrade

After rebooting, confirm the new version:
lsb_release -a

Upgrade Options

To upgrade to a non-LTS or development release:
sudo do-release-upgrade -d
If no upgrade is found but you know one exists:
sudo do-release-upgrade -c

Post-Upgrade Steps

# Remove obsolete packages
sudo apt autoremove

# Clean package cache
sudo apt clean
Check the Ubuntu release notes for any version-specific considerations before upgrading.