$ sudo apt-key adv --recv-keys --keyserver ppa.launchpad.net 4F191A5A8844C542 Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /tmp/tmp.bP2OeBc8rz --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --recv-keys --keyserver ppa.launchpad.net 4F191A5A8844C542 gpg: requesting key 8844C542 from hkp server ppa.launchpad.net gpgkeys: key 4F191A5A8844C542 not found on keyserver gpg: no valid OpenPGP data found. gpg: Total number processed: 0
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1053861 Title: W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4F191A5A8844C542 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1053861/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
