title: When running Mongodb got NonExistentPath: Data directory /data/db not found., terminating
body: <p>The error generated when executed <code>sudo mongod</code>   executed</p>
  <pre><code>2018-09-13T20:56:08.259+0530 I CONTROL  [initandlisten] MongoDB starting : pid=3419 port=27017 dbpath=/data/db 64-bit host=admin
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten] db version v3.6.7    
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten] git version: 2628472127e9f1826e02c665c1d93880a204075e
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten] OpenSSL version: OpenSSL 1.0.1f 6 Jan 2014
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten] allocator: 
      tcmalloc
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten] modules: none
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten] build environment:
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten]     distmod: ubuntu1404
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten]     distarch: x86_64
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten]     target_arch: x86_64
          2018-09-13T20:56:08.260+0530 I CONTROL  [initandlisten] options: {}
          2018-09-13T20:56:08.312+0530 I STORAGE  [initandlisten] exception in initAndListen: NonExistentPath: Data directory /data/db not found., terminating
          2018-09-13T20:56:08.312+0530 I CONTROL  [initandlisten] now exiting
          2018-09-13T20:56:08.312+0530 I CONTROL  [initandlisten] shutting down with code:100
  </code></pre>
  <p>I'm a beginner in MEAN stack application development and stuck with this error. Please help me. Thanks in advance</p>