W: GPG error: http://ppa.launchpad.net intrepid Release: The following signatures couldn't be verified because the public key is not available:
NO_PUBKEY 7D2C7A23BF810CD5
W: You may want to run apt-get update to correct these problems
gpg --keyserver subkeys.pgp.net --recv 7D2C7A23BF810CD5
gpg --export --armor 7D2C7A23BF810CD5 | sudo apt-key add -
Gentoo Blog » Ubuntu GPG error: http://ppa.launchpad.net
