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I tried to install some updates on my Ubuntu 20.04. If failed with the below error:

There seems to be a programming error in aptdaemon, the software that allows you to install/remove software and to perform other package management related tasks.

Then I tried to continue with a partial update. But my password have been changed or corrupted. I can't run anything with sudo either because this password issue. Most of the settings cannot be changed in the settings app. File system seems to be read only. No external drives are mountable.

How can I resolve this error?

Rumesh Madhusanka
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    A file-system flips to RO when corruption is detected (power glitch, failing drive or other error; I'd check SMART anyway), error messages are found in the logs (dmesg is where I'd look first), but if that occurred during the updates, apt having errors would be expected. I would look at why, then boot live media & validate the health of your hardware (SMART) & then fsck (file-system check) your file-systems and everything will likely be okay then... but explore first as it could be a warning of problems coming.... – guiverc Nov 11 '20 at 06:09

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There was a file corruption on root partition. Had to run fsck manually upon reboot.

Also there were duplicates on the apt config. Had to remove them manually too. How can I fix apt error "W: Target Packages ... is configured multiple times"?

Rumesh Madhusanka
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