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Show all nginx server_name entries with their config file

harmless rootnginxdebian, ubuntu
root@server
nginx -T 2>/dev/null | grep -E "^# configuration file|server_name "

nginx -T tests the configuration and then prints it in full, each file introduced by a comment line with its file name. The filter keeps only those file lines and the server_name directives. This quickly shows which server block handles a domain and whether it appears twice.

Note: Without the grep, nginx -T > /root/nginx-dump.txt gives a complete backup of the effective configuration to read through.

Also searched as

  • which domains does nginx serve
  • find file containing nginx server block
  • dump full nginx configuration
  • nginx serving wrong site

Related one-liners

All in nginx

Check the nginx configuration for syntax errors

#nginx -t
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Show the additional nginx directives of a Plesk domain

#cat /var/www/vhosts/system/example.com/conf/vhost_nginx.conf
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Show the nginx configuration Plesk generated for a domain

#cat /var/www/vhosts/system/example.com/conf/nginx.conf
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Check whether nginx is enabled in Plesk

#plesk sbin nginxmng --status
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Find the cause of a 502 Bad Gateway in the nginx log

#grep -E "upstream|connect\(\) failed" /var/log/nginx/error.log | tail -20
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Show the nginx version and compiled-in modules

$nginx -V 2>&1 | tr " " "\n" | grep -E "version|_module"
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