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GPG-Error when updating Ubuntu machines

By on May 29, 2013 in Ubuntu | 0 comments

When updating Ubuntu machines I often get this error:

W: GPG error: etch/updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126d3a3e5c1192


Receive publickey for the source from the keyserver with the following command:

sudo apt-key adv –recv-keys –keyserver 16126d3a3e5c1192

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