This cheatsheet shows how to install and enable Avast antivirus (Avast Business Antivirus for Linux) on your PMG server.
Please note that Avast Business Antivirus for Linux is not provided for free and you need to buy license. You can test it for free after requesting trial license.
Download and install avast.gpg
key:
wget -q -O - https://files.avast.com/files/resellers/linux/avast.gpg | apt-key add -