Find out how to add and remove software and apply system updates in Ubuntu Desktop (GUI utilities and command line version).
After installing a new Linux kernel, old kernels are not automatically deleted. They remain in your disk. You have to delete them manually. Why?
January 24th, 2016 20,771
Upgrading to a minor version is done through the upgrade process of Debian. For major versions, the process is much more complex.
Updating Debian Server: how to get notifications, how urgent is to upgrade, which are security updates, when reboot required, which services need restart.