Reading package lists... Done

Confirming "nadia" is supported...

• curl -sLf -o /dev/null 'https://deb.nodesource.com/node_5.x/dists/nadia/Release'

Your distribution, identified as "nadia", is not currently supported, please contact NodeSource at https://github.com/nodesource/distributions/issues if you think this is incorrect or would like your distribution to be considered for support