Ubuntu 12.04 LTS
Custom Grub2 parameters
For instance changing schaduler
/etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="elevator=noop"
update grub
# update-grub2
For instance changing schaduler
/etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="elevator=noop"
update grub
# update-grub2