It is recommended that the server be updated as often as possible in order to ensure security and stability. This guide will describe how you can upgrade your Debian server.
Back Up Making
!! Always make a backup before upgrading your system
Update The Package List
This can be done using the following command:
$ sudo apt updateList updatable packages
$ sudo apt list --upgradablePackage Updates
$ sudo apt upgradeServer reboot
$ sudo rebootOne-Line Upgrade
If you want to accept all the defaults and upgrade without intervention, use this command:
$ sudo apt update && sudo apt upgrade -yOptional – Autoremove
$ sudo apt autoremove