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1. Nginx stub status module

   Make sure that the server process is configured with the stub status module. Use the command:

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   root@klappanas:~# nginx -V 2>&1 | grep -o with-http_stub_status_module with-http_stub_status_module

   If stub status module is not installed, you can follow this guide for the installation: https://www.tecmint.com/enable-nginx-status-page/

2. Add a new server block configuration inside /etc/nginx/sites-enabled/default

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   title /etc/nginx/sites-enabled/default linenumbers true
   server { listen 8081; listen [::]:8081; server_name _; root /var/www/html; index index.html; location /nginx_status { stub_status on; access_log off; allow 127.0.0.1; deny all; } }

   
   

3. restart nginx service

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   systemctl restart nginx

   
   

4. Now the Url 127.0.0.1:8081/nginx_status should be available

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   wget -qO - http://127.0.0.1:8081/nginx_status Active connections: 1 server accepts handled requests 1 1 1 Reading: 0 Writing: 1 Waiting: 0

   
   

5. Configure nginx_status

   1. manually
      you need to install the agent plugin nginx_status into your agent's plugins directory (usually /usr/lib/check_mk_agent/plugins). The plugin tries to autodetect all running NGINX servers. If that fails for some reason you need to create the configuration file /etc/check_mk/nginx_status.cfg. Here is one example:

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      servers = [{'address': '127.0.0.1', 'page': 'nginx_status', 'port': 8081, 'protocol': 'http'}]

      
      

   2. via Bakery
      WATO - CONFIGURATION → Monitoring Agents → Rules → NGINX webservers (Linux)

      1. Autodetect instances, expect HTTPS on the following ports: nginx_status will try autodetect all running NGINX servers.

         

      2. Specific list of instances: You can specify NGINX instances

         

6. Test the plugin:

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root@klappanas:~# wget -qO - http://127.0.0.1:8081/nginx_status
Active connections: 1 
server accepts handled requests
 398 398 398 
Reading: 0 Writing: 1 Waiting: 0

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