I would like to install NodeJS on the server on which is ISPconfg3 installed. After this I would like to configure this with ISPconfig3 - redirecting (specific element of - etherpad editor, which use nodejs) customer's site to nodejs. Site will be created by ISPconfig3, then files will be uploaded via ftp on server. On my server ISPconfig3 cooperate with apache. Should I install nodejs as newly created user each time when I setup new website for user? Generally - how to add nodejs to a server managed by ISPCFG3 and then redirect a specific customer's site to node.js (the server is using apache).