Guacamole
From MyWiki
Install Guacamole on Ubuntu 14.04
Install Guacamole on Centos 6.5
Notes on Guacamole working configuration To assist moving to different server
Install guacamole on Centos 7.2 in a docker container. ( Cancelled after difficulty autostarting tomcat in container)
Installing guacamole in Ubuntu
Installing all on Ubuntu from repository
Good reference - http://guac-dev.org/doc/gug/configuring-guacamole.html