1. Connect DB แล้ว run command ตามโน้น
use admin
db.createUser(
  {
    user: "myUserAdmin",
    pwd: passwordPrompt(), // or cleartext password
    roles: [ { role: "userAdminAnyDatabase", db: "admin" }, "readWriteAnyDatabase" ]
  }
)
2. Shutdown Mongo
db.adminCommand( { shutdown: 1 } )3. Add config mongod.conf ตามนี้
security:
    authorization: enabled4. Start mongo
