Linked Questions

0
votes
1answer
36 views

Public key is messing? [duplicate]

I get this error when I update the system: W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
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: ...
0
votes
0answers
21 views

apt-get update does not work [duplicate]

My apt-get command does not work, I get following error: ~$ sudo apt-get update Ign http://security.ubuntu.com trusty-security InRelease Get:1 http://security.ubuntu.com trusty-security Release.gpg ...
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 ...
-1
votes
2answers
48 views

Package manager errors on my ubuntu [duplicate]

I have this issues with my ubuntu apt-get update http://pastebin.com/embed_js.php?i=Ex18v2Ku ubilli@ubilli-pc ~> sudo apt-get update [sudo] password for ubilli: Ign http://ppa.launchpad.net ...
0
votes
0answers
43 views

Unable to install Enlightenment libraries (E17) on precise

I have tried all the solutions I could find on the forum. After adding the PPA links to the system's Software Resources and then issuing the apt-get update command results in following error. W: GPG ...
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 ...
2
votes
1answer
204 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
139 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 ...
0
votes
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 ...
-1
votes
1answer
68 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
907 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 ...

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