change node version

1Usage:
2nvm install <version>       Download and install a <version>
3nvm use <version>           Modify PATH to use <version>
4nvm ls                      List versions (installed versions are blue)

1curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash

1sudo n 11.15.0

1nvm use --delete-prefix $NODE_VERSION
2
3example:
4nvm use --delete-prefix v8.9.4