GRUB_ENABLE_BLSCFG=true GRUB_TIMEOUT=0 GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL="serial console" GRUB_SERIAL_COMMAND="serial --speed=38400" GRUB_CMDLINE_LINUX="crashkernel=auto console=ttyS0,38400n8 rootflags=uquota net.ifnames=0" GRUB_DISABLE_RECOVERY="true"