How-to Check If Package is Installed on Ubuntu Linux

This Short Tip Show How-to Check If a Package is Already Installed in Ubuntu Linux.

 

To the Post Bottom Link to Article Showing Exactly Howto Search for Files/Directories/Paths/Images by Command Line.

 

The Content and Details are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make Tip more Easy & Digestive;)

1. Open a Terminal Window

2. dpkg -l <PACKAGENAME>

   For Example here Below the Output of a Check for python-django.

   

To Get some Extra-Insight Look this other Guide:

HOW to Find Files/Directories/Images on Linux Command Line

How-to Search Files, Icons, Images or PATHS with the LocateCommand.