Updated: 02 March 2026
https://www.digitalocean.com/community/tools/nginx
https://ssl-config.mozilla.org/
Validate the Nginx configuration files, from the command line
nginx -t
After a change in configuration, reload
sudo systemctl reload nginx
Restart Nginx
sudo systemctl restart nginx
See which modules (e.g. rewrite) are compiled into the binary at install time
nginx -V
Add a header from nginx conf, always, regardless of response code
add_header X-Chris-Debug "$uri" always;
add_header X-Chris-Debug "this location read" always;