https://zeroc.com/distributions/ice

OS: ubuntu:16.04

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 5E6DA83306132997
sudo apt-add-repository "deb http://zeroc.com/download/Ice/3.6/ubuntu$(lsb_release -rs) stable main"
sudo apt-get update
sudo apt-get install zeroc-ice-all-runtime zeroc-ice-all-dev

ice 3.7

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv B6391CB2CFBA643D
sudo apt-add-repository "deb http://zeroc.com/download/Ice/3.7/ubuntu16.04 stable main"
sudo apt-get update
sudo apt-get install zeroc-ice-all-runtime zeroc-ice-all-dev