Ubuntu 11.10, public key NO_PUBKEY 16126D3A3E5C1192

우분투 11.10 32bit 업그레이드하다가 뜨는 메시지 :

W: GPG error: http://extras.ubuntu.com oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192

해결방법 :

honeymon@honeymon-netbook:~$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys  16126D3A3E5C1192