2020/06/04 17:16:26 [emerg] 4574#4574: "fastcgi_pass" directive is not allowed here in /etc/nginx/sites-enabled/default:60
2020/06/04 17:22:02 [emerg] 4608#4608: unexpected "}" in /etc/nginx/sites-enabled/default:70
2020/06/04 17:22:51 [emerg] 4629#4629: unexpected "}" in /etc/nginx/sites-enabled/default:70
2020/06/04 17:23:26 [emerg] 4634#4634: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:72
2020/06/04 17:23:34 [emerg] 4655#4655: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:72
2020/06/04 17:27:42 [emerg] 4664#4664: "location" directive is not allowed here in /etc/nginx/sites-enabled/default:68
2020/06/04 17:27:47 [emerg] 4684#4684: "location" directive is not allowed here in /etc/nginx/sites-enabled/default:68
2020/06/04 17:28:11 [emerg] 4685#4685: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:72
2020/06/04 17:29:08 [emerg] 4687#4687: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:72
2020/06/04 17:29:24 [emerg] 4688#4688: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:73
2020/06/04 17:29:35 [warn] 4689#4689: duplicate value "TLSv1" in /etc/letsencrypt/options-ssl-nginx.conf:10
2020/06/04 17:29:35 [warn] 4689#4689: duplicate value "TLSv1.1" in /etc/letsencrypt/options-ssl-nginx.conf:10
2020/06/04 17:29:35 [warn] 4689#4689: duplicate value "TLSv1.2" in /etc/letsencrypt/options-ssl-nginx.conf:10
2020/06/04 17:29:35 [emerg] 4689#4689: "ssl_prefer_server_ciphers" directive is duplicate in /etc/letsencrypt/options-ssl-nginx.conf:11
2020/06/04 17:30:10 [emerg] 4693#4693: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:72
2020/06/04 17:32:44 [emerg] 4720#4720: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:72
2020/06/04 17:36:58 [emerg] 4732#4732: "listen" directive is not allowed here in /etc/nginx/sites-enabled/default:72
2020/06/04 17:37:15 [warn] 4733#4733: duplicate value "TLSv1" in /etc/letsencrypt/options-ssl-nginx.conf:10
2020/06/04 17:37:15 [warn] 4733#4733: duplicate value "TLSv1.1" in /etc/letsencrypt/options-ssl-nginx.conf:10
2020/06/04 17:37:15 [warn] 4733#4733: duplicate value "TLSv1.2" in /etc/letsencrypt/options-ssl-nginx.conf:10
2020/06/04 17:37:15 [emerg] 4733#4733: "ssl_prefer_server_ciphers" directive is duplicate in /etc/letsencrypt/options-ssl-nginx.conf:11

Those are the error logs generated

This is conf file..

##
# You should look at the following URL's in order to grasp a solid understanding
# of Nginx configuration files in order to fully unleash the power of Nginx.
# https://www.nginx.com/resources/wiki/start/
# https://www.nginx.com/resources/wiki/start/topics/tutorials/config_pitfalls/
# https://wiki.debian.org/Nginx/DirectoryStructure
#
# In most cases, administrators will remove this file from sites-enabled/ and
# leave it as reference inside of sites-available where it will continue to be
# updated by the nginx packaging team.
#
# This file will automatically load configuration files provided by other
# applications, such as Drupal or Wordpress. These applications will be made
# available underneath a path with that package name, such as /drupal8.
#
# Please see /usr/share/doc/nginx-doc/examples/ for more detailed examples.
##

# Default server configuration
#
server {

    # SSL configuration
    #
    # listen 443 ssl default_server;
    # listen [::]:443 ssl default_server;
    #
    # Note: You should disable gzip for SSL traffic.
    # See: https://bugs.debian.org/773332
    #
    # Read up on ssl_ciphers to ensure a secure configuration.
    # See: https://bugs.debian.org/765782
    #
    # Self signed certs generated by the ssl-cert package
    # Don't use them in a production server!
    #
    # include snippets/snakeoil.conf;

    root /srv/www/joshiviral.com;

    # Add index.php to the list if you are using PHP
    index index.php index.html index.html index.nginx-debian.html;  

    server_name www.joshiviral.com joshiviral.com;

    location / {
        # First attempt to serve request as file, then
        # as directory, then fall back to displaying a 404.
        try_files $uri $uri/ =404;
    }



    # pass PHP scripts to FastCGI server
    #
    #location ~ \.php$ {
    #include snippets/fastcgi-php.conf;

    # With php-fpm (or other unix sockets):
    #fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
    #   # With php-cgi (or other tcp sockets):
    #   fastcgi_pass 127.0.0.1:9000;
    }

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #deny all;
    #}

    #listen [::]:443 ssl ipv6only=on; # managed by Certbot
    #listen 443 ssl; # managed by Certbot
    #ssl_certificate /etc/letsencrypt/live/joshiviral.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/joshiviral.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot




}


# Virtual Host configuration for example.com
#
# You can move that to a different file under sites-available/ and symlink that
# to sites-enabled/ to enable it.
#
server {
listen 80;
listen [::]:80;
#
#   server_name www.joshiviral.com joshiviral.com;
#
root /srv/www/joshiviral.com;
index index.php index.html index.html index.nginx-debian.html;
#
#   location / {
#       try_files $uri $uri/ =404;
    }
}

server {
    if ($host = www.joshiviral.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    if ($host = joshiviral.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    listen 80 default_server;
    listen [::]:80 default_server;

    server_name www.joshiviral.com joshiviral.com;
  return 404; # managed by Certbot

}