Hub logs:

• when a site is registered (Site name, Site url, Site id, time)
• when a site is updated (Site name, Site url, Old site name, Old site url, Site id, time)
• when a site is unpublished by the site itself (Site name, Site url, Site id, time)
• when a site is deleted by hub admin (Site name, Site url, Site id, admin name, admin id, time)
• when a course is registered (Site name, Site url, Site id, course shortname, course id, time)
• when a course is updated (Site name, Site url, Site id, course shortname, course id, old course shortname, time)
• when a course is unpublished by a site (Site name, Site url, Site id, Course shortname, course id, time)
• when a course is deleted by hub admin (Site name, Site url, Site id, Course shortname, course id, admin name, admin id, time)
• when a course is downloaded to a site (Destination site id, course id, time, ...)
• when a course link is added to a community block (Destination site id, course id, time ...)
• when a course is downloaded from the front page search (course id, time ...)
• when a course link is followed from the front page search (course id, time ...)

Hub directory logs:

• when a hub is registered (Hub name, Hub url, hub id, time)
• when a hub is updated (Hub name, hub url, old hub name, old hub url, time)
• when a hub is unpublished – they currently can't
• when a hub is deleted (Hub name, hub url, admin name, admin id, time)