Upgrading the Ubuntu version on an AWS EC2 instance involves several steps to ensure a smooth transition. Follow this guide to upgrade your AWS EC2 Ubuntu version safely.
Table of Contents
Prerequisites
- An AWS EC2 instance running Ubuntu.
- SSH access to the instance.
- A backup of your instance or important data.
Step 1: Connect to Your EC2 Instance
First, connect to your EC2 instance using SSH:
ssh -i /path/to/your-key.pem ubuntu@your-ec2-instance-public-dnsOr you can use SSH client like Putty.
Step 2: Update Current Packages
Before upgrading, ensure that all current packages are up-to-date:
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get dist-upgrade -yStep 3: Clean Up Unnecessary Packages
Remove any unnecessary packages to free up space:
sudo apt-get autoremove -y
sudo apt-get cleanStep 4: Check the Current Ubuntu Version
Verify the current Ubuntu version:
lsb_release -aYou may see an output like this:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.6 LTS
Release: 18.04
Codename: bionicStep 5: Upgrade to the New Ubuntu Version
Start the upgrade process to the new Ubuntu version. For example, to upgrade from Ubuntu 18.04 to 20.04:
sudo do-release-upgradeFollow the on-screen instructions to complete the upgrade. You may need to confirm some prompts during the process.
Step 6: Reboot the Instance
After the upgrade is complete, reboot your instance:
sudo rebootStep 7: Verify the Upgrade
Once the instance has rebooted, reconnect via SSH and verify the new Ubuntu version:
lsb_release -aAfter the successfully update you may see the output like below:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focalTroubleshooting
If you encounter any issues during the upgrade, check the logs for more details:
sudo less /var/log/dist-upgrade/main.logConclusion
Upgrading the Ubuntu version on an AWS EC2 instance is a straightforward process if you follow these steps. Always ensure you have a backup before starting the upgrade to prevent data loss.
By following this guide, you can successfully upgrade your AWS EC2 Ubuntu version.