How do I find the first installed Linux Mint grub?

After installing opensuse grub disappeared from the Linux Mint
I want to boot into Linux Mint. Help

You can boot into openSUSE using the grub menu that was installed with openSUSE (I think).
If that’s so, then just add an entry into that menu to boot Mint – here’s how:

Multiboot Ubuntu, Debian, Mint and similar with Grub in openSUSE

Well. Thank you.
eitneun ubuntu update-grub2 will not have a pity.