Stub status module in Nginx - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of the Nginx stub status module?

The stub status module provides a simple way to get basic Nginx server statistics like active connections, requests, and connection states.

beginner

Which directive enables the stub status module in an Nginx configuration?

The stub_status on; directive inside a location block enables the stub status module.

intermediate

What kind of information does the stub status page show?

It shows:<br>- Active connections<br>- Accepted connections<br>- Handled connections<br>- Total requests<br>- Reading connections<br>- Writing connections<br>- Waiting connections

intermediate

How do you secure access to the stub status page?

You can restrict access using allow and deny directives to limit which IPs can view the status page.

beginner

What is the typical URL path used to expose the stub status page?

Commonly, the stub status page is exposed at /nginx_status or a similar path defined in the location block.

Which directive enables the stub status module in Nginx?

A stub_status off;

B status on;

C stub_status on;

D enable_stub_status on;

The correct directive is stub_status on; inside a location block.

What does the 'Active connections' value represent on the stub status page?

A Number of connections closed

B Total connections since server start

C Number of failed connections

D Number of current open connections to Nginx

Active connections show how many connections are currently open and being handled by Nginx.

Which of these is NOT shown by the stub status module?

A Total requests

B CPU usage

C Reading connections

D Writing connections

CPU usage is not shown by the stub status module; it only shows connection and request stats.

How can you restrict access to the stub status page?

A Using allow and deny directives

B Using proxy_pass

C Using gzip compression

D Using server_name directive

Access is restricted by allow and deny directives to control IP access.

What is the default HTTP response content type of the stub status page?

A text/plain

B application/json

C text/html

D application/xml

The stub status page returns plain text with server statistics.

Explain how to configure the Nginx stub status module to monitor server connections.

Think about the minimal config needed to expose and protect the status page.

Describe the key metrics provided by the stub status module and what they indicate about server health.

Consider what each metric tells about current server load and activity.