Ubuntu Focal 20.04 64 bits

Installation instructions

Logs Download 
wget -qO- https://dl.packager.io/srv/pghero/pghero/key | sudo apt-key add -
sudo wget -O /etc/apt/sources.list.d/pghero.list \
  https://dl.packager.io/srv/pghero/pghero/master/installer/ubuntu/20.04.repo
sudo apt-get update
sudo apt-get install pghero

Note: You might need to apt-get install wget apt-transport-https for the above instructions to work.

More details can be found at https://github.com/ankane/pghero .