Adding a new user
From Pulsed Media Wiki
Setting up the local user
cd /scripts ./addUser.php username password rTorrent Memory limit HDD Quota in Gigabytes
cd /scripts ./addUser.php johndoe secretpassword 250 115
Sets up user with name johndoe, password secretpassword with 250Mb rTorrent RAM and accompanying peers + upload slots settings, and 115Gb HDD quota with 144Gb burst quota limit and file count quotas.
Now setup the user in your DNS Config, for example make an CNAME record:
johndoe.mybox.mydomain.com. IN CNAME mybox.mydomain.com.
or A record:
johndoe.mybox.mydomain.com. IN CNAME 127.0.0.1