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I recently was updating from 14.04 to 16.04 (via do-release-upgrade). Everything was going fine until it pulled up an ncurses dialogue for handling conflicting config files for "unattended upgrades" -- a dialogue which failed to respond to input (it froze).

Since there was no way to continue, I killed the process, leaving everything half upgraded. If I try to run do-release-upgrade again, it claims to already be version 16.04. I have not restarted the machine, as I don't know what would happen. If I run apt-get -f dist-upgrade it claims that every package I have is no longer needed, then tries to configure them all, failing because all of their dependencies are also not configured. Trying dpkg --configure -a gives the same configuring errors (ex. 389-ds depends on 389-admin; however: Package 389-admin is not configured yet.)

Output

Given all this, I still think there should be some way to recover, seeing as everything is still running (for the most part). The question is, what is that way?

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1 Answer 1

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Fix missing packages, type in Terminal:

sudo apt-get update
sudo apt-get install -f
sudo dpkg --configure -a
sudo apt-get upgrade
sudo apt-get autoremove

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