GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="" GRUB_DISABLE_RECOVERY="true" GRUB_PRELOAD_MODULES="lvm" GRUB_CMDLINE_LINUX="crashkernel=auto no_timer_check rhgb quiet net.ifnames=0 biosdevname=0 " #GRUB_HIDDEN_TIMEOUT=0 GRUB_TIMEOUT=2 GRUB_DISABLE_LINUX_UUID=true