(C) Alec Muffett's DropSafe blog.
Author Name: Alec Muffett
This story was originally published on allecmuffett.com. [1]
License: CC-BY-SA 3.0.[2]
 

How to apt-update when apt is not accepting the repository?

2023-07 

Note: apt-key is deprecated

You could try updating the repository key. When I try to use the tor repository by adding this line to my sources.lst:

deb http://deb.torproject.org/torproject.org squeeze main

I get the following error:

W: GPG error: http://deb.torproject.org squeeze InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 74A941BA219EC810

So, the missing key is 74A941BA219EC810. To add (or update in your case) the key run:

sudo apt-key adv --recv-keys --keyserver keys.gnupg.net 74A941BA219EC810

You should now be able to run `apt-get update with no errors.
[END]

[1] URL: https://superuser.com/questions/513609/how-to-apt-update-when-apt-is-not-accepting-the-repository#comment2426226_513650
[2] URL: https://creativecommons.org/licenses/by-sa/3.0/

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