Update BlankOn Error : NO_PUBKEY D0AFF96872D340A3

Saat coba update BlankOn Ombilin dengan perintah
sudo apt-get update
Mucul error seperti ini

W: galat GPG: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D0AFF96872D340A3

Cara mengatasinya

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D0AFF96872D340A3

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