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After installing and configuring Nginx, you can follow these steps to monitor Nginx status.

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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   language bash theme RDark
   root@linux:~# nginx -V 2>&1 | grep -o with-http_stub_status_module with-http_stub_status_module

   If the 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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   language bash theme RDark title /etc/nginx/sites-enabled/default
   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; } }

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3. Restart nginx service

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   root@linux:~# systemctl restart nginx

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

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   language bash theme RDark
   root@linux:~# 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

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5. Configure nginx_status
   
   

   • Manually
     You must 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, you must create the configuration file /etc/check_mk/nginx_status.cfg. Here is one example:

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

     
     

   • via Bakery
     Setup → Agents → Windows, Linux, Solaris... → Agent rules →NGINX webservers (Linux)
     
     

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

     • Specific list of instances: You can specify NGINX instances
       

       
       

6. Test the plugin

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