14

I'm tring to add a keys (on Kubuntu 12.04)

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys SOMEKEY

and I constantly get 

gpg: requesting key 8AC93F7A from hkp server keyserver.ubuntu.com
gpg: keyserver timed out
gpg: keyserver receive failed: keyserver error

I thought my ports are closed. But the following should have made ports 80 and 11371 open:

iptables -A INPUT -p tcp -d 0/0 -s 0/0 --dport 80 -j ACCEPT
iptables -A INPUT -p tcp -d 0/0 -s 0/0 --dport 11371 -j ACCEPT

But I still get timed out.

Edit:

The following solves it:

sudo gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys SOMEKEY
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4
  • What version of Ubuntu is this? You need to add that so we can help you.
    – Svetlana Belkin
    May 10, 2012 at 10:41
  • Kubuntu 12.04. I had the same problems in 11.10 and 11.04
    – Adobe
    May 10, 2012 at 10:43
  • I added the tags and edited your question with the info.
    – Svetlana Belkin
    May 10, 2012 at 10:47
  • @Adobe To mark this question technically 'answered'; Kindly add an 'answer' and 'accept' it. You may need to wait a day or two to be able to accept your own answer,though.
    – Mahesh
    May 10, 2012 at 11:53

5 Answers 5

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20

The following solves it:

sudo gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys SOMEKEY

If you see something like this:

W: GPG error: http://archive.canonical.com jaunty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5

then add the appropriate key:

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5

You can get a list of repos here: http://repogen.simplylinux.ch (but it is not recommended to add x-org updates - at least be sure to back up You xorg.conf)

If see errors from previous repos - empty your /etc/apt/sources.list.d dir.

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6

This saved my life behind corporate proxy, hope it helps you too:

sudo apt-key adv --keyserver-options http-proxy="http://<username>:<password>@<proxy_server_addr>:<proxy_port>" --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys <key_to_import>
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0
0

What helped me:

sudo -E apt-key adv --keyserver-options http-proxy="http://<username>:<password>@<proxy_server_addr>:<proxy_port>" --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys <key_to_import>
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2
0

Converting the server name to a proper URL as below worked for me.

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys SOMEKEY

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0

For me, i removed my custom /etc/apt/source.list (which not including the official ubuntu source) and recovered the origin default one back. And that it done!

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