Код: Выделить всё
sudo add-apt-repository universe
echo "deb http://repo.group-office.com/ sixsix main" > /etc/apt/sources.list.d/groupoffice.list
apt-get install dirmngr
apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0758838B
apt-get update
apt-get install groupoffice
https://groupoffice.readthedocs.io/en/l ... ebian.html
https://github.com/Intermesh/groupoffic ... debian.rst