Linked Questions

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0answers
20 views

why i am getting this error while updating the system? [duplicate]

W: GPG error: http://deb.opera.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E585066A30C18A2B why i am getting this ...
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votes
0answers
18 views

updation problem all the solution given won't work for me [duplicate]

W: GPG error: http://extras.ubuntu.com precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192 W: GPG error: ...
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votes
0answers
16 views

PGP public key reinstall Ubuntu 12:04 [duplicate]

I was installing the update Ubuntu 12.04 by terminal alert by following command: sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade when in the process had a ...
0
votes
0answers
16 views

Failed to download repositary information [duplicate]

I open update manager and click check button for update , and popup box coming out and show Failed to download repositary informaion. pls someone help me , i want to update 12.04 to 13.04 , I'm using ...
0
votes
0answers
9 views

Boost and IXCoin and PPAs … messy problem [duplicate]

GPG error: download.opensuse.org Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 29D8C8DAC4447CF3 W: Failed to fetch ...
59
votes
9answers
48k views

What's the difference between Wubi and a regular installation?

Recently I've learned of Wubi, a way to install Ubuntu right from Windows. Besides installing from Windows, I would like to know key differences between a regular Ubuntu installation and one done ...
71
votes
3answers
60k views

How do I deal with “unauthenticated sources” errors in the Software Center?

Any install that I'm trying through the Software Center is telling me: Requires installation of untrusted packages: The action would require the installation of packages from not authenticated ...
23
votes
2answers
22k views

GPG error: The following signatures couldn't be verified because the public key is not available [duplicate]

Possible Duplicate: How do I fix the GPG error “NO_PUBKEY”? after sudo apt-get update I get this error: W: GPG error: http://archive.hivemind.me all Release: The following signatures ...
11
votes
1answer
11k views

W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available:

I get the following error when i do sudo apt-get update W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: ...
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: ...
5
votes
3answers
3k 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
8k 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 ...
2
votes
3answers
4k 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 ...
7
votes
1answer
1k 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 ...
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 ...

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