➜ laloupe-0916-mam git:(master) nodemon --exec npm start [nodemon] 1.10.2 [nodemon] to restart at any time, enter `rs` [nodemon] watching: *.* [nodemon] starting `npm start` > mean-es6@0.0.1 start /home/jipsian/laloupe-0916-mam > babel-node index.js Server started on port 8000 /home/jipsian/laloupe-0916-mam/node_modules/mongodb/lib/server.js:261 process.nextTick(function() { throw err; }) ^ MongoError: failed to connect to server [localhost:27017] on first connect at Pool. (/home/jipsian/laloupe-0916-mam/node_modules/mongodb-core/lib/topologies/server.js:313:35) at emitOne (events.js:96:13) at Pool.emit (events.js:188:7) at Connection. (/home/jipsian/laloupe-0916-mam/node_modules/mongodb-core/lib/connection/pool.js:260:12) at Connection.g (events.js:291:16) at emitTwo (events.js:106:13) at Connection.emit (events.js:191:7) at Socket. (/home/jipsian/laloupe-0916-mam/node_modules/mongodb-core/lib/connection/connection.js:162:49) at Socket.g (events.js:291:16) at emitOne (events.js:96:13) at Socket.emit (events.js:188:7) at emitErrorNT (net.js:1271:8) at _combinedTickCallback (internal/process/next_tick.js:74:11) at process._tickDomainCallback (internal/process/next_tick.js:122:9) npm ERR! Linux 4.4.0-38-generic npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "start" npm ERR! node v6.6.0 npm ERR! npm v3.10.7 npm ERR! code ELIFECYCLE npm ERR! mean-es6@0.0.1 start: `babel-node index.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the mean-es6@0.0.1 start script 'babel-node index.js'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the mean-es6 package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! babel-node index.js npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs mean-es6 npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm owner ls mean-es6 npm ERR! There is likely additional logging output above. npm ERR! Please include the following file with any support request: npm ERR! /home/jipsian/laloupe-0916-mam/npm-debug.log [nodemon] app crashed - waiting for file changes before starting...