On booting the Rescue System from an openSUSE DVD, I find myself at a rescue login prompt:What are the default login details?
What is the default openSUSE Rescue login?
login;opensuse;rescue
The rescue login: text is a login prompt expecting you to type in a username.  Enter root and press Enter, that should give you a root shell. If it asks you for a password, you press Enter again.Further reading: https://doc.opensuse.org/documentation/leap/startup/single-html/book.opensuse.startup/index.html#sec.trouble.data.recover.rescue