Cannot npm install 'mean-cli' module on Mac OS X
问题 UPDATE: Apparently, it is bad practice to use sudo to install node modules. Instead, changing folder permissions will solve this issue. See the answer here: https://stackoverflow.com/a/31546496/2859315 ORIGINAL POST: Currently, I have installed Node (version v0.12.7) and NPM. I am trying to install the mean-cli package from NPM. I am following the installation instructions found here: https://github.com/linnovate/mean#installation Also, I was taking a MEAN Stack development course on Udemy.