April, 2016
Debian apt-get update gpg fix
gpg --keyserver pgpkeys.mit.edu --recv-key D27D666CD88E42B4 gpg -a --export D88E42B4 | sudo apt-key add - |
gpg --keyserver pgpkeys.mit.edu --recv-key D27D666CD88E42B4 gpg -a --export D88E42B4 | sudo apt-key add - |