GRUB_DEFAULT=0 GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=Ubuntu GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet nomodeset" GRUB_CMDLINE_LINUX="rd.auto=1 net.ifnames=0 biosdevname=0" GRUB_PRELOAD_MODULES="part_gpt part_msdos" GRUB_TIMEOUT_STYLE=menu GRUB_TERMINAL_INPUT=console GRUB_GFXMODE=auto GRUB_GFXPAYLOAD_LINUX=keep GRUB_DISABLE_RECOVERY=true GRUB_DISABLE_OS_PROBER=false