Python Snippets Show dependant packages $ python3.8 -m pip list | cut -d' ' -f1 | while read pkg; echo $pkg; do apt-cache rdepends --installed $pkg; done Install pip for Python 2 $ curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py $ python2 get-pip.py Create virtual env for Python 2 $ virtualenv -p $(which python2) venv