These steps should be valid for any Ubuntu 16.04 or higher.
This does not upgrade from one version of Ubuntu to the next.
Requirements
- Login with SUDO access.
- Server must have internet access to download files.
- Reboot of the server is required after the update. Recording server will be down during the reboot.
Steps to prepare
- Login with an Linux user that has SUDO access.
- Run “
sudo apt update” - Run “
sudo apt upgrade --download-only”- This step will only download the updates and can be done prior to the upgrade date, to allow for sites with slow internet connections.
- This can be run in a
byobusession to allow it to continue running after you disconnect. It can then finish in its own time. - Duration of the download will depend on the number of downloads and the internet speed. ETA is usually displayed at the bottom right of the screen.
Steps to update
- Login with Linux user that has SUDO rights
- Run “
sudo apt update” - Run “
sudo apt upgrade” [ Some customer would like to take a screenshot of the updates listed on the screen here, before you press “Y” to continue. ] - Check if a reboot is required by running “
cat /var/run/reboot-required”- If the command shows “No such file or directory” then no reboot is required.
- If the file exists and shows " *** System restart required *** " on the screen, then you have to restart the server to complete the updates.
- To reboot, ensure that the client is aware what services will be affected and then run this command: “
sudo reboot” - Log back into the system and ensure that all services are up and running and working again.