systemLog:
    destination: file
    path: "/root/mongodb.log"
    logAppend: true

net:
    port: 25015

processManagement:
    fork: true

setParameter:
    enableLocalhostAuthBypass: true

storage:
    dbPath: /root/mongo_data
    engine: wiredTiger

mongo --port 25019

> use admin;
switched to db admin
> db.createUser(
    {
        user: "siteUserAdmin",
        pwd: "eqt-dfts-mad-ghbr-ovd-g",
        roles: [{role: "userAdminAnyDatabase", db: "admin"}]
    }
)
Successfully added user: {
    "user" : "siteUserAdmin",
    "roles" : [
        {
            "role" : "userAdminAnyDatabase",
            "db" : "admin"
        }
    ]
}

> use MyDatabase;
switched to db MyDatabase
> db.createUser(
    {
        user: "my_user",
        pwd: "cu-npp-re-jpor-mtw-e-s",
        roles: [
            {role: "readWrite", db: "MyDatabase"},
            {role: "dbAdmin", db: "MyDatabase"}
        ]
    }
    )
Successfully added user: {
    "user" : "vantage",
    "roles" : [
        {
            "role" : "readWrite",
            "db" : "AdVantage"
        },
        {
            "role" : "dbAdmin",
            "db" : "AdVantage"
        }
    ]
}

> use MyDatabase;
switched to db MyDatabse
> db.createCollection("demotest")
{ "ok" : 1 }
> show collections;
demotest
> show dbs;
MyDatabase 0.000GB
admin      0.000GB
local      0.000GB
> exit
bye

PROMPT> mongo --host 102.216.73.164 -u my_user -p cu-npp-re-jpor-mtw-e-s --authenticationDatabase MyDatabase --port 25019
MongoDB shell version: 2.6.6
connecting to: 102.216.73.164:25019/test
2015-05-13T21:03:18.963-0400 Error: 18 { ok: 0.0, errmsg: "auth failed", code: 18 } at src/mongo/shell/db.js:1210
exception: login failed