Linked Questions

237 votes
8 answers
320k views

How can I remove gpg key that I added using apt-key add -?

I don't need the key in my server's keyring anymore. Is it possible to remove it? I added the key using this command: curl http://repo.varnish-cache.org/debian/GPG-key.txt | apt-key add - Thanks ...
Raymond's user avatar
  • 2,485
8 votes
4 answers
40k views

GPG Invalid Signature

I am having problems with the following (in an attempt to remove hyperlinks, I have removed one of the "/" from the addresses): W: GPG error: http://archive.ubuntu.com oneiric Release: The following ...
Weiant2001's user avatar
4 votes
4 answers
32k views

How to resolve the "Failed to download repository" error?

I've tried to update but then I got this error Here's the error information in that box: W:GPG error: http://extras.ubuntu.com precise Release: The following signatures were invalid: BADSIG ...
jojo's user avatar
  • 911
1 vote
4 answers
3k views

How to fix GPG error/BADSIG while running apt-get update? [duplicate]

Possible Duplicate: What is the easiest way to resolve apt-get BADSIG GPG errors? Of late, I've been getting this long list of errors every time I run apt-get update from the terminal. These ...
Pawan Neupane's user avatar
10 votes
3 answers
14k views

Cannot update system - Error during signature verification [duplicate]

Possible Duplicate: What is the easiest way to resolve apt-get BADSIG GPG errors? Okay, usually I run an apt-get update and upgrade about once a day. Now suddenly it's telling me this: Fetched ...
RossDoughty's user avatar
10 votes
3 answers
7k views

How to bypass/remove/disable the untrusted package authentication

First the image: then me saying "Say What!!.. How the..What the..??". Basically I am stunned. How can I disable/bypass/remove/explode the option for the untrusted packages not letting me install ...
Luis Alvarado's user avatar
5 votes
3 answers
492 views

Automatically disable a ppa

Is there a way to automatically delete or disable a ppa that does not work anymore? When I do apt-get update I get a lot of error message regarding some ppas that cant be found. I have disabled them ...
NobbZ's user avatar
  • 511
3 votes
3 answers
10k views

what causes this error by `apt-get update`

What causes this error when sudo apt-get update is issued? W: GPG error: http://download.virtualbox.org trusty InRelease: The following signatures couldn't be verified because the public key is not ...
H2ONaCl's user avatar
  • 9,673

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