Contra competitive timing for social media updates. [ an interesting look into Dan's Contra-timing philosophy, finding the times when there's as little competition as possible for the best amounts of RT's and responses - clever]
Icinga is a powerful monitoring tool! Icinga shares similarities with Nagios in its basic monitoring capabilities, but has gone a few features above and beyond. Though Icinga retains all the existing features of its predecessor, it builds on them to add many long awaited patches and features requested by the user community.