Running Zenmap on Ubuntu 20.04

1. Download Zenmap packages and convert rpm packages to deb as described here.
2. Install python 2.x by running
   
   sudo apt-get install python
   
   If you try to run Zenmap now, you'll get the following error:
   
   Could not import the zenmapGUI.App module: 'No module named gtk'
   
3. Download the following packages from Debian repositories:
   • https://packages.debian.org/buster/python-gtk2
   • https://packages.debian.org/buster/amd64/python-cairo
   • https://packages.debian.org/buster/amd64/python-gobject-2
4. Install python-gobject-2, then python-cairo and then python-gtk2.
   
   You may need to fix dependency problems by running
   
   sudo apt --fix-broken install.
   
   
5. Enjoy Zenmap!

Installing Remmina on Debian Stretch

1. Add the repository to apt. Create the file /etc/apt/sources.list.d/remmina.list with the following content:
   
   

   deb http://ftp.debian.org/debian stretch-backports main

   
   
2. Update packages:
   
   

   sudo apt-get update

   
   
3. Install Remmina:
   
   

   sudo apt install -t stretch-backports remmina remmina-plugin-rdp remmina-plugin-secret

   
   

Source: https://remmina.org/how-to-install-remmina/

Installing WineHQ on Debian Stretch

1. Install the apt-transport-https package:
   
   

   sudo apt-get install apt-transport-https

   
   
2. Enable 32-bit packages:
   
   

   sudo dpkg --add-architecture i386

   
   
3. Install the key which is used to sign the packages:
   
   

   wget -nc https://dl.winehq.org/wine-builds/Release.key
   sudo apt-key add Release.key

   
   
4. Add the repository to /etc/apt/sources.list or create a wine.list file under /etc/apt/sources.list.d/ with the following content:
   
   

   deb https://dl.winehq.org/wine-builds/debian/ stretch main

   
   
5. Update packages:
   
   

   sudo apt-get update

   
   
6. Install WineHQ:
   
   

   sudo apt-get install --install-recommends winehq-stable