$> echo "deb http://apt.opscode.com/ `lsb_release -cs`-0.10 main" | sudo tee /etc/apt/sources.list.d/opscode.list
$> sudo mkdir -p /etc/apt/trusted.gpg.d
$> gpg --keyserver keys.gnupg.net --recv-keys 83EF826A
$> gpg --export packages@opscode.com | sudo tee /etc/apt/trusted.gpg.d/opscode-keyring.gpg > /dev/null
$> sudo apt-get update
$> sudo apt-get install opscode-keyring