How to install Chirp on Ubuntu 20.04 Focal Fossa

The solution was proposed by Ephraim Gariguez DW1ZWS in his post How to install Chirp on Ubuntu 20.04.

What is the problem?

Chirp installation on Ubuntu is done requires the following commands sequence:

sudo apt-add-repository ppa:dansmith/chirp-snapshots
sudo apt-get update
sudo apt-get install chirp-daily

When you try to install Chirp on Ubuntu 20.04, you get the following output:

Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package chirp-daily

The solution

1. Edit the /etc/apt/sources.list.d/dansmith-ubuntu-chirp-snapsots-focal.list and change the Ubuntu release from fossa to to xenial.
    
2. Try to install Chirp again by running the following commands:
   
   sudo apt-get update
sudo apt-get install chirp-daily
   
   This will result in dependencies error:
   
   The following packages have unmet dependencies:
chirp-daily : Depends: python-libxslt1 but it is not installable
Depends: python-gtk2 but it is not installable
Depends: python-serial but it is not installable
Depends: python-suds but it is not installable
E: Unable to correct problems, you have held broken packages.
    
3. Download DEB packages from https://drive.google.com/open?id=1irLlhwTVlC8wO9OhSt3-9j943CyimhmM and install them manually.
    
4. Add yourself to dialout users group by running:
   
   sudo usermod -aG dialout $USER
   
5. Install Chirp by running:
   
   sudo apt-get install chirp-daily