I know there are lots of questions re this, but none solve my exact issue.
I accidentally gave a usermod -G instead of -a -G, and so have been removed from sudoers. I am using BIOS, so most of the threads talking about holding shift to get into recovery mode don't work. ESC brings me to a grub command line, but cannot get anything useful out of that. The closest similar question I found (I can't find it again) had the same issue, but his was resolved by typing normal
and then it worked. When I type normal
, all I get is that it reboots but then ESC no longer works to even get me into the GRUB menu until the next time I reboot.
Ubuntu 20.
TIA
Edit: Despite this being marked as a dup, it is VERY CLEARLY NOT because I reference all of the normal directions, and explain how it's not working. Not only that, but I did end up resolving it, and it goes against all of the documentation, thereby making it novel, and likely useful for others. Typical Stack