How to use perl script with nginx

Sometimes you need to run a simple perl script, without a need to create a full perl web app. The easiest way is to use it using nginx+fcgiwrapper.

Install required software

apt intall nginx
apt install fcgiwrap

Configure nginx


location ~ \.pl$ {
  try_files $uri =404; # without this, we will get '403 Forbidden'
  fastcgi_param SCRIPT_NAME $fastcgi_script_name;
  fastcgi_pass unix:/var/run/fcgiwrap.socket;
  include fastcgi_params;

  # run it immediately, without buffering ....
  fastcgi_param NO_BUFFERING "1";
  fastcgi_keep_conn on;


Files .pl MUST BE in the path accessible by the nginx.

Buffering is active per-default. With current installation on Ubuntu, there is no way to disable buffering and enable streaming.



use strict;
use warnings;

# To enable buffering:
# tell browser, not to wait for content...
print "Content-Encoding: none\n";
print "Content-Type: text/html; charset=ISO-8859-1;\n";
print "\n\n";

print "<h1>Perl is working!</h1>\n";
sleep 1;
print "test2<br>\n";
sleep 2;
print "test3<br>\n";
sleep 3;
print "test4<br>\n";

Tested on:

  • system1:

    Ubuntu 20.04.1 LTS

    apt show fcgiwrap

    Version: 1.1.0-12

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