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I am using Ubuntu 20.04. I can now no longer login to my machine. Attempting to login will make the screen go black, and then I get thrown back to the purple login screen.

This is the timeline of the issue:

  1. I added a new alias to my .bashrc file.
  2. I did ‘source .bashrc’ in my terminal.
  3. Then I did a reboot and I can’t login.

I’ve tried using Ctrl+alt+f3, to login through the terminal but the same problem happens when I try login to the terminal.. It kicks me out again right away. Any help would be amazing!

I have tried booting into recovery mode, but I feel like it might be disabled. Holding down escape during boot gets me stuck at this screen.

I feel I might be a bit screwed. I can’t access recovery mode, or login as root. And the login loop is persistent when logging in to the terminal or the gui login. enter image description hereenter image description here

Matthew Naybour
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1 Answers1

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Boot from live media (e.g. an Ubuntu installation USB stick), mount your root filesystem and move your .bashrc away for the moment, then reboot into your normal system.

Personally I always set a root password so I am able to recover from exactly this situation. I don't usually work with the root account, but it's there in case I need it (usually when I did something really stupid).

Judging from the error message, you might have run into this problem:

Ubuntu 20.04 Failed to Set MokListRT: Invalid Parameter

HuHa
  • 3,525