Question smt-217s root 4.4.2

how doi root smt-t217s root 4.4.2 or what have to root it/need . iv tryed Odin but i guess it cant get to root and most of the tut on here and youtube im at lost even bricked it once....
and this one dont work http://forum.xda-developers.com/show....php?t=2514821
poeple saying it works for 4.4.2 but i cant get to work fallowed every thing still dont work root checker im not rooted every thing passed and recovery zip worked on clock work manger , there no su binary and supersu cannot install it this is a problem