wget -O - http://deb.opera.com/archive.key | apt-key add - #Old Opera GPG Signature #gpg --keyserver subkeys.pgp.net --recv-key 6A423791 #gpg --fingerprint 6A423791 #gpg --armor --export 6A423791| apt-key add - wget -O - http://debian.beryl-project.org/root@lupine.me.uk.gpg | sudo apt-key add - wget -O - http://www.virtualbox.org/debian/innotek.asc | sudo apt-key add -