Installation Ubuntu - Linux (en)
Instructions
Follow the steps below to install and run DigiCert Desktop Client or Alison-Desktop. You must open a terminal on your computer to perform these tasks.
Delete any previous versions: How to uninstall the application?
Execute:
sudo dpkg -r alison-desktop
Download latest version
Run:
wget https://s3.amazonaws.com/downloads.certisur.net/installers/3.3.2/Alison-Desktop-Installer-3.3.2.deb 
Install Alison-Desktop
Run:
sudo apt install --fix-broken ./Alison-Desktop-Installer-3.3.2.deb
Execute Alison-Desktop
The installation process may require that you be logged out. Log back into your session and search for Alison-Desktop among the installed programs.
Enable Browser
At the top you will see the Application icon. You must enable the corresponding browser.