Ubuntu package System
======================



Information about Disto and installed packages
------------------------------------------------


.. code-block:: bash

    # Linux Standard Base info
    lsb_release -a


    # All Ubuntu repo packages
    apt list


    # Estimate Count the available packages, but it seems we have multiple arch options
    apt list | wc -l 


    # quick summary of available packages
    apt list drbd-utils
    apt list python3
    apt list mariadb-server


    # full details about a package
    apt show drbd-utils
    apt show python3
    apt show -a apache2
    apt show -a nginx


    #Currently Installed on the System
    apt list --installed
    apt list --installed | wc -l

    
    # installed packages with their descriptions
    dpkg --list


    # all repository packages (installed or not)
    dpkg --list python*
    dpkg --list *