I can't seem to update my Opera repository anymore. It was working fine the other day but when I do 'sudo apt-get update' I get: Code: W: GPG error: http://deb.opera.com unstable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 033431536A423791 W: GPG error: http://deb.opera.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 033431536A423791 I get the impression that I need a key but I've never needed one before. Does anyone else get this message when they update? For reference, I am using the: Code: deb http://deb.opera.com/opera/ unstable non-free deb http://deb.opera.com/opera/ stable non-free
It means the packages are not signed, or there is no key for that repo. If you install the keys, you'll have no problem: http://deb.opera.com/ Alternately, you could just not require signing for the package, but you lose out on a security feature Deb-based systems offer.