Customers have requested to do thefollowing types of search via hammer and the webui: What systems checked in on this date What systems have checked in before|after a date What systems have checked in during a date range.
Created redmine issue http://projects.theforeman.org/issues/12639 from this bug
Upstream bug component is Content Management
Per 6.3 planning, moving out non acked bugs to the backlog
This is available in 6.2, you can perform a search such as: last_checkin < "30 minutes ago" which would show systems that last checked in prior to 30 minutes ago.