nginx.conf

worker_processes  4;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    use epoll;
    worker_connections  100000;
}
worker_rlimit_nofile 100000;

http {
    include       mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for" "$upstream_addr" "$document_root"';

    server_names_hash_bucket_size 64; 
    sendfile        on;
    #tcp_nopush     on;
    client_max_body_size 20m;
    #keepalive_timeout  0;
    keepalive_timeout  65;
    gzip on;
    gzip_types text/plain application/x-javascript text/css application/xml;
    access_log /var/log/access.log;

    server {
        listen       80 default;
        server_name  _;

        location ^~ /wiki {
            rewrite /wiki/?(.*) /$1 break;
            root   /usr/share/nginx/html;
            index  index.html index.htm;  
        }

        location / {
            root   /usr/share/nginx/html;
            index  index.html index.htm;
        }
        error_page  404  /404.html;
    }
}