A file that has the .DEB file extension is a Debian software package file. They contain software to be installed on Debian or a Debian-based operating system. Ubuntu falls into that category, being based on Debian and capable of executing .DEB files.
In this article, we’ll go over the steps to install a DEB file on Ubuntu 20.04 Focal Fossa and talk about some best practices along the way.
In this tutorial you will learn:
- DEB file security and searching Ubuntu’s package repository
- How to intall DEB files with dpkg
- How to install DEB files with gdebi
- How to install DEB files via GUI