GRUB_TIMEOUT=5
GRUB_TERMINAL="serial console"
GRUB_SERIAL_COMMAND="serial --speed=115200"
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_CMDLINE_LINUX="crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M net.ifnames=0 biosdevname=0 console=ttyS0,115200 selinux=0 ipv6.disable=1"
GRUB_DISABLE_RECOVERY="true"
GRUB_ENABLE_BLSCFG=true
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true