In this tutorial, we are going to provide you with step-by-step instructions on how to list all installed packages with apt on Debian 9. The apt command is a simple, yet powerful command-line tool, used for performing operations such as an installation of new software packages, upgrade of existing software packages, updating of the package list index, listing the installed and available packages and even upgrading the entire Debian based system.
Apt-Get List Installed – step by step tutorial. Apt is a command-line interface that allows you to perform actions such as installing new software packages, removing unnecessary software packages, updating the existing software packages, searching for specific software packages etc. on a Linux VPS running Debian as an operating system or Debian-based Linux distributions like Ubuntu. In this tutorial, we will show you how to list all installed packages with apt on Ubuntu (show all installed software on your VPS).