NGINX

NGINX is a free, open-source, high-performance HTTP server: https://www.nginx.org/

Your nginx configuration needs this directive configuration responsible for the localhost server:

location /nginx-status {
    stub_status on;
    access_log  off;
    allow 127.0.0.1;
    allow ::1;
    deny  all;
}

Agent or SNMP Extend

SNMP ExtendAgent

Download the script onto the host.

wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/nginx -O /etc/snmp/nginx

Make the script executable.
```
chmod +x /etc/snmp/nginx
```
Edit your snmpd.conf file, usually /etc/snmp/snmpd.conf, and add:
```
extend nginx /etc/snmp/nginx
```
Restart snmpd on your host.

LibreNMS discovers the application automatically, as described at the top of the page. If the discovery fails, do the steps under the SNMP Extend heading at the top of the page.

If this device has no agent, install the agent and copy the nginx script to /usr/lib/check_mk_agent/local/

SELinux

(Optional) If you have SELinux in Enforcing mode, you must add a module so the script can request /nginx-status:

cat << EOF > snmpd_nginx.te
module snmpd_nginx 1.0;

require {
        type httpd_t;
        type http_port_t;
        type snmpd_t;
        class tcp_socket name_connect;
}

#============= snmpd_t ==============

allow snmpd_t http_port_t:tcp_socket name_connect;
EOF
checkmodule -M -m -o snmpd_nginx.mod snmpd_nginx.te
semodule_package -o snmpd_nginx.pp -m snmpd_nginx.mod
semodule -i snmpd_nginx.pp