Reading package lists... Done
W: GPG error: http://ppa.launchpad.net maverick Release: The following
signatures couldn't be verified because the public key is not
available: NO_PUBKEY B2E908737DB60AD5
sudo gpg --keyserver keyserver.ubuntu.com --recv B2E908737DB60AD5
sudo gpg --export --armor B2E908737DB60AD5 | sudo apt-key add -
Hi,
Under Ubuntu you could also do:
$ sudo add-apt-repository ppa:tiomap-dev/omap-trunk
V.