javascript
use admin
db.createUser({
user: "appuser",
pwd: "strong-password",
roles: [{ role: "readWrite", db: "appdb" }]
})Notes
Create users in the appropriate database, often `admin` for centralized management.
MongoDB Users, Roles, and Administrative Commands
Create users, grant roles, inspect server status, and run the most common administrative commands in MongoDB.
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Users and roles
Basic authentication and role-management workflows.
javascript
db.getUsers()Notes
Useful when auditing local database users.
javascript
db.grantRolesToUser("appuser", [{ role: "dbAdmin", db: "appdb" }])Notes
Roles can be layered as responsibilities change.
javascript
db.changeUserPassword("appuser", "new-strong-password")Notes
Routine credential rotation is easier when you know the exact shell command.
javascript
db.dropUser("appuser")Notes
Useful during environment cleanup or credential revocation.
Admin and status
Operational commands for quick diagnostics.
Check server status
Inspect a detailed server-status document.
javascriptANYmongodbserverStatusadmin
javascript
db.adminCommand({ serverStatus: 1 })Notes
Returns deep operational detail; it is often used for diagnostics, monitoring, and troubleshooting.
Inspect current operations
See active operations on the server.
javascriptANYmongodbcurrentOpoperations
javascript
db.currentOp()Notes
Helpful when tracking down long-running operations or lock contention.
javascript
db.killOp(12345)Notes
Use carefully after confirming the operation is safe to terminate.
javascript
db.adminCommand({ ping: 1 })Notes
A lightweight connectivity check.
javascript
db.adminCommand({ buildInfo: 1 })Notes
Useful when you need to confirm the running server version and build details.
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