By default, npm modules are retrieved over the internet from the public package registry maintained on http://npmjs.com. If you know the module name, it can be installed simply by typing the following:
$ npm install moduleName
But what if you don't know the module name? How do you discover the interesting modules? The website http://npmjs.com publishes a searchable index of the modules in that registry.
The npm package also has a command-line search function to consult the same index:
Of course, upon finding a module, it's installed as follows:
$ npm install acoustid
After installing a module, you may want to see the ...
