GRUB_GFXPAYLOAD_LINUX=keep GRUB_DISABLE_RECOVERY=true GRUB_DISTRIBUTOR="ROSA" GRUB_GFXMODE=1024x768,1024x600,800x600,640x480 GRUB_DEFAULT=0 GRUB_TIMEOUT="10" GRUB_CMDLINE_LINUX_DEFAULT='splash=silent logo.nologo' GRUB_DISABLE_OS_PROBER=false GRUB_THEME="/boot/grub2/themes/rosa/theme.txt" GRUB_BACKGROUND="/boot/grub2/themes/rosa/terminal_background.png"