Don’t want to update to OS X Yosemite?  Tired of dismissing this notification every few days? You can hide/suppress this notification with a simple command using NCutil.py [https://github.com/jacobsalmela/NCutil#ncutil], although it’s not fully-supported by Apple, so you can try this at your

Download NCutil.py [https://github.com/jacobsalmela/NCutil/releases] – Mavericks and Yosemite Use Case OS X administrators can appreciate a good command line utility.  In enterprise environments, it is useful to be able to send out settings to multiple computers at once.  This is part of the reason I started