Linked Questions

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66 views

How to solve the problems in “sudo apt-get update” [duplicate]

Here is my /etc/apt/source.list file. I get many problems in the output of sudo apt-get update: $ sudo apt-get update [sudo] password for tim: Err http://cran.cnr.Berkeley.edu precise/ Release.gpg ...
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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
1answer
41 views

error while apt update [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 W: Duplicate sources.list entry ...
0
votes
1answer
146 views

How to get rid of the NO_PUBKEY 977C43A8BA684223 and "Sometiing wicked happend resolving 'us.old-release.ubntu.com [duplicate]

Every time I tried to update my ubuntu 12.04 I am getting this: Failed to download repository information W:GPG error: http://download.opensuse.org Release: The following signatures couldn't be ...
2
votes
1answer
69 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 ...
0
votes
0answers
44 views

Cannot install Ubuntu SDK [duplicate]

I get the following error in terminal while installing the SDK W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not ...
0
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: ...
0
votes
1answer
133 views

Strange GPG error. apt-get doesn't work anymore [duplicate]

If I run anything apt-get related, I get this error: W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: ...
0
votes
1answer
53 views

I'm getting a gpg error [duplicate]

I'm getting a gpg error: http://ppa.launchpad.net precise Release: the following signatures couldn't be verified because the public key is not available : NO_PUBKEY 5A9A06AEF9C8DB0 This came ...
0
votes
1answer
642 views

Failed to fetch http://extras.ubuntu.com/ubuntu/dists/raring/Release ubuntu 13.04 [duplicate]

I have some errors while run sudo apt-get update. How do I solve this ? Thank you. W: A error occurred during the signature verification. The repository is not updated and the previous index files ...

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