NodeJS installation =================== NodeJS is required for various components of MountainLab. If you are on Ubuntu, you can do the following prior to MountainLab compilation: .. code :: bash sudo apt-get install nodejs npm nodejs-legacy Otherwise, visit the `NodeJS home page `_ Note: depending on how nodejs is named on your system, you may need to do the following (or something like it) so that "nodejs" is a recognized command: .. code :: bash sudo ln -s /usr/bin/node /usr/bin/nodejs