We tried, but could not find /doku.php?id=doku.php.faq:generalquestions:can_i_install_citadel_on_a_shared_web_hosting_account&do=login§ok=d9c8b8a6a9e6dd6a6dbd173ab31302e6
But hey, you don't have to leave empty handed!
Here are some things you can try instead: