Martin Dougiamas

Aloha!

1) I'll let someone else help out with GD on Mac OS X - there's been some discussions recently about it. http://moodle.org/mod/forum/discuss.php?d=1062

2) Feel free to take out the "Made with Moodle" link if you feel it will help (edit the call print_footer in /index.php and remove "home"). I personally don't think there's any problem with having the link there - firstly there are no security bugs that I know of (I spend a lot of time preventing them), and secondly keen hackers will get into bug forums no matter where they are or what form they're in.

Cheers,
Martin

I've not got much time to look at it now, but this may help:

http://php.weblogs.com/adodb-sessions

From the looks of it the only thing that needs modification is moodle/lib/setup.php.

I'm intending to revisit ADOdb in some detail for Moodle 1.1, to make use of their new "database dictionary" capability (which will mean Moodle can truly support all databases out of the box, even to create and modify tables). At the same time I'll likely revisit database-based sessions too ... there's a bit more to it than just the hack itself, there might be some issues in switching to this method across the board, but this would certainly fix a whole bunch of little problems at once.

I have no objections at all, in fact I encourage it. And no, there will never be license fees.

http://moodle.org/doc/?frame=licence.html

However, if Moodle is making money for you then perhaps I can suggest donating something back to the project:

http://moodle.org/mod/resource/view.php?id=58

Not only does it help good will all round but it helps Moodle develop faster (since donations prevent me having to work on other things to make a living).

a) The correct answer.

There are no limits to Moodle itself.

Mostly it's down to the operating system, PHP, MySQL, Apache, RAM, disk speed, caching, number of CPUs and their speed, network bandwidth etc ... just adding one thing like PHP Accelerator can give you a 5-10 times speed increase (and hence more time to process more users).

Even on one computer, it depends on what the users are doing, what they're looking at, which language they are using, size of the database etc etc.

Plus every version of Moodle (and all the other software) has further optimisations as well as new features ...

There's just too many variables.

b) The easy answer

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FAQ #1: http://moodle.org/doc/?frame=faq.html&sub=filenotfound