Question [Q] rooting Samsung Galaxy Note II SCH-I605 without tripping Knox

have seen on here how to reset Knox but says must be boot unlocked.I am using android 4.4.2 on my Samsung Galaxy Note II SCH-I605 using this
http://forum.xda-developers.com/gala...v3-26-t1494114 don't understand how to use? want root and have Knox showing 0:0

will i need this too
http://nasirtech.blogspot.com/2014/0...442-stock.html someone help me please

have seen you can root and reset Knox on this site?