Authenticating Debian servers
Problem updating software depository with aptitude, a signature / public key changed.
W: GPG error: http://debian.samfundet.no etch Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9AA38DCD55BE302B
:~$ sudo gpg --keyserver pgpkeys.mit.edu --recv-key 9AA38DCD55BE302B :~$ sudo gpg -a --export 9AA38DCD55BE302B | sudo apt-key add -
