#https://github.com/nodesource/distributions/blob/master/README.md
KEYRING=/usr/share/keyrings/nodesource.gpg
-curl -fsSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | gpg --dearmor | sudo dd of=$KEYRING 2>/dev/null
+curl -fsSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | gpg --dearmor | sudo dd of=$KEYRING status=none
# Replace with the branch of Node.js or io.js you want to install: node_6.x, node_8.x, etc...