Install software in Google Colab
!apt install xfce4 xfce4-goodies vnc4server htop
!pip install pyngrok
!pip install git+https://github.com/bdemchak/py4cytoscape
!wget https://github.com/cytoscape/cytoscape/releases/download/3.8.0/cytoscape-unix-3.8.0.tar.gz
!tar xf cytoscape-unix-3.8.0.tar.gz
# configure VNC and xfce4
!mkdir ~/.vnc