Linked Questions

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1answer
168 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: ...
2
votes
1answer
209 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
1answer
63 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 ...
1
vote
1answer
46 views

Why am I getting errors today when updating Oneiric PPAs? [closed]

When I update software from terminal with sudo apt-get update almost always don't shown errors but this time is different. What I think is that most of the ppa pages has been modified. i.e. When the ...
-1
votes
1answer
72 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
0answers
53 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 ...
-1
votes
2answers
51 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 ...
0
votes
0answers
31 views

Could not run sudo apt-get update [duplicate]

Every time I run sudo apt-get update, I get this error: W: GPG error: https://download.01.org Ubuntu Release: The following signatures couldn't be verified because the public key is not available: ...
2
votes
0answers
25 views

Spotify update error message stops updates from occurring [duplicate]

Possible Duplicate: How do I fix the GPG error “NO_PUBKEY”? After todays update, I restarted my system and got this message: When I check for updates it says that there are ...
0
votes
0answers
24 views

Can't update or install software [duplicate]

I'm am brand new to Ubuntu. I cannot update software or download software such as Wine. I get a message that says Failed to download repository information. Check internet connection. But I have an ...
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 ...

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