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:new: 2009-01-21 :wavy_dash: :up: 2009-01-24

apt-get Errors

If you get the following error while updating the package list:

W: GPG error: http://ppa.launchpad.net jaunty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 632D16BB0C713DA6

You need to manually update the key. The key-ID is the last 8 digits of the key, in this case: 0c713da6.

Now fetch the key from the Ubuntu keyserver:

gpg --keyserver keyserver.ubuntu.com --recv 0c713da6

And finally add the new key to the apt-keyring:

gpg --export --armor 0c713da6 | sudo apt-key add -

You can even automate this a bit with the following shell script:

#!/bin/bash
KEYID=${1:-8}
gpg --keyserver keyserver.ubuntu.com --recv $KEYID
gpg --export --armor $KEYID | sudo apt-key add -

This will only use the last 8 digits of the first parameter as KEYID. So you can even call it with the full 16 digits.

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