+# Update grub.cfg for EFI booting, similar to isolinux
+sed -i '/menuentry/{N;N;N;q}' EFI/BOOT/grub.cfg
+sed -i -e 's|Install CentOS 7|Begin the cloud installation process|' \
+ -e '/vmlinuz/ s/$/ console=tty0 console=ttyS1,115200 console=ttyAMA0,115200/' \
+ EFI/BOOT/grub.cfg
+