demm https://kaosx.us/docs What have you tried to recover? Root password only, or user password forgotten too? UEFI or BIOS install (so you can figure to enter recovery mode in the bootloader)? You can always reset by chrooting into the install. https://kaosx.us/docs/chrooting/ https://askubuntu.com/questions/24006/how-do-i-reset-a-lost-administrative-password https://www.wikihow.com/Reset-Forgotten-Password-in-Linux https://wiki.archlinux.org/title/Reset_lost_root_password just a few examples that come up with a simple search......