How To Redirect www to Non-www with Nginx on CentOS 7 | DigitalOcean
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This tutorial will show you how to redirect a www URL to non-www, e.g. www.example.com to example.com, with Nginx on CentOS 7.

thanks to @[email protected] for noticing www.lemmyfly.org was not secured and not pointing to the lemmy instance.

Checking the lemmy ansible files I saw your nginx configuration file is located in /etc/nginx/sites-available/[sitename].conf

To add a redirect for your www.[sitename, add: (lemmyfly.org example)

server {
  server_name www.lemmyfly.org;
  return 301 $scheme://lemmyfly.org$request_uri;
}

check your config with sudo nginx -t

restart nginx: sudo systemctl restart nginx