Installing PyMongo with MongoDB in Linux

1. Download Pymongo Source from HERE.
2. Then follow below steps --

Error - mongod shell doesn't start, /data/db doesn't exsist

Error - mongod shell doesn't start, /data/db doesn't exsist


If you face this error while starting MongoDB (mongod), most probably there are 2 reasons for this -

a.  /data/db is not exist at all
b. mongod process don't have access on /data/db

Solution :-

The default db path for mongodb is /data/db/.
So when you run:

MongoDB Configuration in Linux

DOWNLOAD the stable version of MongoDB. It will a tar file.

1. Create a folder named 'learn' ( or whatever you want to give )

     $ mkdir -p /learn/mongodb  /app/dbMongo

      # /learn/mongodb  = Holds the MongoDB source

      # /app/dbMongo = Holds the MongoDB database

2. Extract the Mongo DB zip file in /learn folder

  $ tar -xvf MongoDB.tar  /learn/mongodb

3.  change the permission of folder to user who run the db here-  In my case User - atul and Group - atul
  $ chown -R atul:atul  /learn/mongodb  /app/dbMongo

MongoDB is unable to start due to lock file

While starting MongoDB server, You are facing that MongoDB is not getting up with a exception says -

Sun Jan 18 12:27:03.884 [initandlisten] exception in initAndListen: 10310 Unable to lock file: /data/db/mongod.lock. Is a mongod instance already running?, terminating
Sun Jan 18 12:27:03.884 dbexit:

Normally, we are facing this issue due to 1. improper MongoDB server shutdown or 2. someone else is started the mongo server. In the second case, we dont have any issue, we can connect to out db without issue.