It is there, just 4 taps away
- Goto “About phone” (or tablet)
- Tap the "Build number" (the last item) 4 times slowly
- On each tap, it will remind you how many "click" away from being a "developer"
- At the end, it will told you "You are a developer now"
"VT for Direct I/O" from the bios
yum -y install kernel-uek-headers-`uname -r` gcc kernel-uek-devel