Hi.. I'm currently back on macOS but ran Ubuntu 20.04 on my iMac for ~4 months exclusively. As in no macOS install at all. Purely Ubuntu. At least once a month, my boot disk would revert to read only.

Are you a dual-booter running a Linux-Windows or even a Linux-Linux dual-boot system? Have you ever lost booting access to one of your OSes or want to be prepared for if and when that happens? If yes, ...

Did that and now all I do is boot to a GRUB prompt with limited commands. Although, I moved up from blue screens no matter what I chose to boot to, now I am not sure what is happening. It was WHS 2011 ...