Website displaying blank page after Upgrading Ubuntu Server

Hello, I have a Ubuntu 14.04 server with LEMP Stack and vargrant installed. My website runs on wordpress. My website was running fine. When I did ssh login to my server, the server displayed that there are some Security Updates available. So I Upgraded the server:

sudo apt-get update;
sudo apt-get upgrade;

During the Upgrade it asked whether to install a new configuration for nginx or keep the remaining one. I typed ‘N’. The upgrade went fine.

But when I access my website, it is displaying the blank page.

I ran the following command too:

sudo nginx -t

I get the following message:

nginx: [warn] server name “” has suspicious symbols in /etc/nginx/sites-enabled/domain:29 nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful

Please help me out.

Thanks, Tushar

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Are you using PHP-FPM?

Try adding this to your config:

location / {
    try_files $uri $uri/ /index.php?$args;

location ~ \.php$ {
    fastcgi_split_path_info ^(.+\.php)(/.+)$;
    fastcgi_pass unix:/var/run/php5-fpm.sock;
    fastcgi_index index.php;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param SCRIPT_NAME $fastcgi_script_name;

Hello all. After updating/upgrading nginx and my ubuntu 14.04, this happened to one of my sites. What worked for me was placing “fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;” at the end of my location block. Afterwards, I ran sudo service nginx restart and it was back up. Here is my whole config for reference

server {
        listen 80;
    listen [::]:80;

        ## root /var/www/;
        root /var/www/;
        index index.php index.html index.htm;

        ## server_name localhost;

        #location / {
        # try_files $uri $uri/ =404;

 location ~ \.php$ {
 try_files $uri =404;
 fastcgi_split_path_info ^(.+\.php)(/.+)$;
# NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini

# With php5-cgi alone:
# With php5-fpm:
 fastcgi_pass unix:/var/run/php5-fpm.sock;
 fastcgi_index index.php;
 include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

location /dev {
        proxy_pass http://localhost:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection ‘upgrade’;
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;