The existing computer can serve as the “second” if you have a distro image on bootable media (and you haven’t borked the hardware).
Yes, it’s a PITA to have to go back and forth between bootable media and trying to reboot into the corrupted OS, but if it’s all you have, it can work. And the distro on the bootable media might be all you need to make those repairs.
The existing computer can serve as the “second” if you have a distro image on bootable media (and you haven’t borked the hardware).
Yes, it’s a PITA to have to go back and forth between bootable media and trying to reboot into the corrupted OS, but if it’s all you have, it can work. And the distro on the bootable media might be all you need to make those repairs.
In related news: When did you last make a backup?