I installed PureFTP using the instructions available here PureFTP Ubuntu Help. The FTP server is now up and running.
I have 1 ftp user group (ftpgroup), 1 user (ftpuser - I am not entirely sure what this is, step 2.2 in the instructions linked) and 2 ftp users (user1 and user2).
I now want to assign quota to both user1 and user2, so that they can not write over a specified amount, lets say 100MB. How do I do that?