how can i use it on ubuntu 16.04

[ethanxyzhu]

[ventoy]

You need install some packages before run vtoyboot.sh

sudo apt-get install dmsetup
sudo apt-get install grub-pc-bin

[candrapersada]

why update or remove kernel error

Removing linux-image-5.4.0-77-generic (5.4.0-77.86) ...
/etc/kernel/postrm.d/initramfs-tools:
update-initramfs: Deleting /boot/initrd.img-5.4.0-77-generic
/etc/kernel/postrm.d/zz-update-grub:
/usr/sbin/grub-mkconfig: 1: /usr/sbin/grub-probe: Permission denied
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 126
dpkg: error processing package linux-image-5.4.0-77-generic (--remove):
 installed linux-image-5.4.0-77-generic package post-removal script subprocess returned error exit status 1
dpkg: too many errors, stopping

vtoyboot-1.0.15

[candrapersada]

and will there be support for updates vtoyboot without VM in the future?