use admin
db.createUser({ user: "windit", pwd: "windit2018", roles: [{ role: "userAdminAnyDatabase", db: "admin" }] })
db.auth("windit","windit2018")
use DOClever
db.createUser({ user: "winditdevelop", pwd: "windit", roles: [{ role: "dbOwner", db: "DOClever" }] })
use DOClever
db.createUser({ user: "windituser", pwd: "windit", roles: [{ role: "readWrite", db: "DOClever" }] })
service mongod stop
mongod -f /etc/mongod.conf --fork --auth