#boot=/dev/sda
default=0
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.32-431.el6.x86_64)
root (hd0,0)
kernel /boot/vmlinuz-2.6.32-431.el6.x86_64 ro root=UUID=500d2a6b-f175-42c6-ad79-6b7ec6d5dd7c
rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc
KEYTABLE=jp106 rd_NO_LVM rd_NO_DM rhgb quiet
selinux=0 ← selinux=0(2016ー02ー03訂正)を追記、実際にはkernel からここまで一行
initrd /boot/initramfs-2.6.32-431.el6.x86_64.img