- Mar 20, 2022
IntroductionIt is a best practice to update your server on a regular schedule for security and stability. Use this guide to keep your Ubuntu server updated.
Supported VersionsThis guide applies to:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Make a BackupAlways make a backup before updating your system.
1. Update the Package ListsThis command updates the package lists from the enabled repositories.
$ sudo apt update
2. List the Upgradable PackagesThis step is optional. To view the upgradable packages before performing the upgrade, use the apt list command.
$ sudo apt list --upgradable
3. Upgrade PackagesThis command will upgrade all the upgradeable packages.
$ sudo apt upgrade
4. Restart the Server
$ sudo reboot
One Line UpgradeIf you want to accept all the defaults and perform the upgrade without intervention, use this command:
$ sudo apt update && sudo apt upgrade -y
Optional - AutoremoveUse apt to remove old packages and dependencies automatically.
$ sudo apt autoremove
ConclusionPeriodic updates keep your server secure and stable. Make sure you have a snapshot or backup strategy in place before updating.