We tried, but could not find /doku.php?id=doku.php.faq:systemadmin:what_is_the_best_way_to_backup_my_citadel_installation&do=login§ok=58d42f6c759119baa72e6b7b5e7337d2
But hey, you don't have to leave empty handed!
Here are some things you can try instead: