--- /dev/null
+GRUB_TIMEOUT=5
+GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
+GRUB_DEFAULT=saved
+# GRUB_TERMINAL="serial console"
+# GRUB_SERIAL_COMMAND="serial --unit=0 --speed=115200"
+GRUB_CMDLINE_LINUX="quiet rhgb"
+GRUB_DISABLE_RECOVERY="true"