Multiple domains on one server points to wrong sites

Question

Using Nginx, I've created a multiple domain setup for one server consisting of four individual sites. When I start Nginx I get an error message and the sites seem to get mixed up as typing in one url leads to one of the other sites.

The error message displayed -

Restarting nginx: nginx: [warn] conflicting server name "localhost" on 0.0.0.0:80, ignored
nginx: [warn] conflicting server name "localhost" on 0.0.0.0:80, ignored
nginx: [warn] conflicting server name "localhost" on 0.0.0.0:80, ignored
nginx.

I've set up all four domains in a similar manner in their respective file under /sites-available -

server {
        listen   80;

        root /var/www/example.com/public_html;
        index index.php index.html index.htm;

        server_name example.com www.example.com;

        location / {
                try_files $uri $uri/ /index.html;
        }

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        location ~ \.php$ {
                try_files $uri =404;
                fastcgi_pass unix:/var/run/php5-fpm.sock;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                include fastcgi_params;

        }

}

I've checked and there is no default file in /sites-enabled. Guessing there might be a faulty setting in the Nginx main config but not sure as to what to look for.

Answer 1

Your nginx.conf loads its external server files from the path you have in your include directives.

If you have a file in include /etc/nginx/conf.d/*.conf; and its symlinked to include /etc/nginx/sites-enabled it's going to load the file twice which would cause that error.