Is there (an automated) way to backup Hudson CI files?

Question

Here at my company we have three Hudson CI servers with 100+ jobs configured. We are looking for an automated way to periodically backup job configurations and

Answer 1

There is a Backup Plugin.

I don't believe that it supports scheduling of periodic backups, but you might be able to trigger it by accessing it through the URL (like some other Hudson remote APIs), in which case you might be able to simply set up a cron job to ping the URL.