Change VRAM size in OS X

# https://ebertek.wordpress.com/2013/06/11/os-x-vram/
# Change ?? to 30 for 768 MB, 40 for 1 GB, and 60 for 1.5 GB.
sudo perl -pi -e 's|\x00.{1}\x10\x07\x00\x00\x10\x07|\x00\x??\x10\x07\x00\x00\x10\x07|g' /System/Library/Extensions/AppleIntelFramebufferCapri.kext/Contents/MacOS/AppleIntelFramebufferCapri
sudo rm /System/Library/Extensions/Extensions.kextcache
sudo rm /System/Library/Extensions/Extensions.mkext
sudo kextcache -system-prelinked-kernel
sudo reboot