# nginx -V
nginx version: nginx/1.25.3
built by gcc 11.4.0 (Ubuntu 11.4.0-1ubuntu1~22.04) 
built with LibreSSL 3.8.2
TLS SNI support enabled
configure arguments: --with-debug --with-http_v3_module --with-cc-opt=-I../libressl/build/include --with-ld-opt=-L../libressl/build/lib

Enabling Debug Logging in NGINX Configuration https://docs.nginx.com/nginx/admin-guide/monitoring/debugging/

1. history

config

error_log  /var/log/nginx/error.log debug;

CategoryDns CategoryWatch CategoryTemplate