ubuntu/debian gpg error no_pubkey 解决方法

GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY xxxxxxxxx

解决方法

 

 

1 2	gpg --keyserver pgpkeys.mit.edu --recv-key xxxxxxxxx gpg -a --export xxxxxxxx | apt-key add -