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So I am running Debian Testing, and I installed the command-not-found package, because I just love that functionality in Ubuntu. So I installed it, and when I restarted my terminal, it said I needed to update the cache for the available packages. So I did. I tried the following commands:

sudo update-command-not-found
sudo /usr/sbin/command-not-found
su and update-command-not-found
su and /usr/sbin/update-command-not-found

But it just exits and does nothing. No output. Just nothing. I try it and it says I need to update the cache again.

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2 Answers 2

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13

Try a sudo apt update or similar first, even if it should be up to date.

Helped in my case.

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sudo apt install command-not-found
sudo apt update
sudo update-command-not-found

Then you also need to start a new bash session (or run source ~/.bashrc, or log out and back in again, or open a new terminal or ssh connection)

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