Upgrading Ubuntu: A Quick Guide

To Nha Notes | Feb. 16, 2025, 2:13 p.m.

Upgrading Ubuntu ensures your system stays secure, fast, and up-to-date. Here’s a brief guide to help you through the process.

1. Update Current Packages

Run the following to update all existing packages:

sudo apt update && sudo apt upgrade -y

2. Install the Upgrade Tool

Ensure the upgrade manager core is installed:

sudo apt install update-manager-core

3. Run the Upgrade

To upgrade to the next available version:

sudo do-release-upgrade

Upgrade to a Specific Version

For desktop systems:

sudo do-release-upgrade -d -m desktop

For server systems:

sudo do-release-upgrade -d -m server

LTS-to-LTS Upgrade

Edit /etc/update-manager/release-upgrades to ensure Prompt=lts, then run:

sudo do-release-upgrade -d

Check Ubuntu Version After Upgrade

• With lsb_release:

  lsb_release -a

• From /etc/os-release:

  cat /etc/os-release

• Using hostnamectl:

  hostnamectl

• Kernel version:

  uname -r

Pro Tip:

Always back up your important data before upgrading to avoid data loss.

This guide ensures a smooth upgrade experience and helps verify your new system version effortlessly.