install_mongo

# Ubuntu 14.04
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.0.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo service mongod start
# sudo service mongod enable
# sudo service mongod restart


# SETUP root/user accounts

# stop the service and run this
sudo service mongod stop
sudo mongod --noauth --dbpath=/var/lib/mongodb/

# in another terminal, run $ mongo ; then
# add admin user and db, as follows:

use admin
db.createUser(
  {
    user: "manager",
    pwd: "<admin pass for manager>",
    roles:
    [
      {
        role: "userAdminAnyDatabase",
        db: "admin"
      }
    ]
  }
)

# then run following for a regular db and user, as follows:

use jugad
db.createUser(
  {
    user: "arco",
    pwd: "arco123",
    roles:
    [
      {
        role: "userAdmin",
        db: "jugad"
      }
    ]
  }
)

# then exit the shell and close the manual mongod server

# then run this to ensure that on restart, mongo doesn't fail
sudo chown -R mongodb:mongodb /var/lib/mongodb/

sudo service mongod restart

# ensure that mongod.conf contains auth:true
# for logging in as user 'manager' in db 'admin'
mongo admin --port 27017 -u manager -p
# for logging in as user 'arco' in db 'jugad'
mongo jugad --port 27017 -u arco -p

# to push data to mongo from previous dumps
# mongorestore -h 127.0.0.1 -d <db name> --dir <data dir containing bson and json>

# to dump existing collection from mongodb
# ensure that noauth:True in mongod.conf else this will fail
# mongodump -h 127.0.0.1 -d jugad -c users

# to convert bson to json
# bsondump users.bson  > users.json