Nginx is a high-performance http-server with other functions as well. It is a perfect candidate to run on OpenWRT due to the performance and memory handling.
opkg update opkg install php5-fastcgi nginx
Of course there will be port issues if you installed LuCI before or after nginx, since LuCI package installs uhttpd, which also wants to claim port 80.
So configuring and/or portforwarding may be neccessary. There are ways to run LuCI with another http daemon but that is not coverd here.
For a quick fix, just change the uhttpd port to something else in
doc_root = "YOUR/DOCUMENT/ROOT" cgi.force_redirect = 1 cgi.redirect_status_env = "yes";
If for what ever reason it was modified or wasn't, this one will work.
fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param HTTPS $https if_not_empty; fastcgi_param GATEWAY_INTERFACE CGI/1.1; fastcgi_param SERVER_SOFTWARE nginx/$nginx_version; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; # PHP only, required if PHP was built with --enable-force-cgi-redirect fastcgi_param REDIRECT_STATUS 200;
Error log is your friend. Logs are located "/var/log/nginx" by "default".
Read on nginx error log section for more information → nginx Core Module - Error Log
For nginx logging to syslog, see package
Make sure path's are correct for your case.
This setup works stable on tl-wr1043nd, can tell tho that Attitude Adjustment 12.09-rc1 ar71xx package still works on this device - confirmed by CraXyOW3.