Linked Questions

7
votes
2answers
5k views

GPG error, signatures public key not available TRIED A LOT

apt-get update returns : W: GPG error: http://pl.archive.ubuntu.com trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 ...
5
votes
2answers
2k views

Where can I get “DA360C64005E0276” public key for “ppa.launchpad.net maverick Release”?

When I apt-get update I get the following error: W: GPG error: http://ppa.launchpad.net maverick Release: The following signatures couldn't be verified because the public key is not available: ...
3
votes
3answers
5k views

gpgkeys: key C927EBE00F1B0520 not found on keyserver [duplicate]

Possible Duplicate: How do I fix the GPG error “NO_PUBKEY”? I am using 10.04 LTS - the Lucid Lynx, I shutdown the computer while one software updates running. Then after i ...
5
votes
3answers
4k views

Update information is outdated

How can I fix my update problem. I am using Maverick 10.10 and update daily, however I get the warning triangle that tells me that the update information is outdated. After I perform an update it ...
0
votes
4answers
9k views

Update Manager Not working Fail to Download Repository Information

When I try to update, I get this error: Failed to Download your repository information Check your internet connection W:GPG error: http ://ppa.launchpad.net oneiric Release: The following ...
7
votes
1answer
1k views

Error authenticating some packages while upgrade

When I try to upgrade my ubuntu 13.04 to 13.10, it gives the following error: It was not possible to authenticate some packages. This may be a transient network problem. You may want to try again ...
7
votes
1answer
2k views

What are the GPG signatures

Looking at questions like THIS, THIS and THIS I ask for public knowledge the following questions: What are the GPG Signatures for? What additional level of security do the Signatures add or provide ...
0
votes
2answers
5k views

Signatures not verified [duplicate]

These are the signature errors that persist after I tried several fixes mentioned on the Internet W: GPG error: http://deb.opera.com stable InRelease: The following signatures couldn't be verified ...
3
votes
2answers
4k views

GPG “NO_PUBKEY” errors for Libreoffice and Mozilla PPAs [duplicate]

Possible Duplicate: How do I fix the GPG error “NO_PUBKEY”? Ever since installing Ubuntu 11.10, I've been having trouble adding PPAs to my Software Sources. In the past I could ...
0
votes
1answer
3k views

Can't get anything to install, dependency errors

I'm extremely new to Linux/command line stuff, so please forgive my ignorance. Every time I try to install anything using sudo apt-get install ... I get dependency errors. I'm trying to get OpenSSH ...
3
votes
0answers
5k views

How to fix W: GPG error:… NO_PUBKEY? [duplicate]

Possible Duplicate: How do I fix the GPG error “NO_PUBKEY” without terminal? I get this message when I use Update-Manager: W: GPG error: http://ppa.launchpad.net lucid Release: ...
0
votes
0answers
3k views

GPG error while doing sudo apt-get update [duplicate]

W: GPG error: http://apt.newrelic.com newrelic Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B31B29E5548C16BF W: Failed to fetch ...
7
votes
1answer
1k views

How to make a sound effect play whenever I click?

I know that sounds like a weird idea, but I kinda want to experiment with this. Over the past few months, I've kinda turned Ubuntu into my own little Frankenstein's monster, but whatever you tell me ...
1
vote
0answers
3k views

NO_PUBKEY and BADSIG signature errors when updating [duplicate]

Possible Duplicate: How do I fix the GPG error “NO_PUBKEY”? I am unable to update my ubuntu 11.10 and this what appears on my terminal Ign http://ppa.launchpad.net oneiric ...
0
votes
1answer
2k views

Can't get rid of GPG-error: http://download.opensuse.org [duplicate]

I have been googling for hours trying to find a way to get rid of the annoying gpg-error referring to the link below. W: GPG error: http://download.opensuse.org Release: The following signatures ...

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