$ sudo chroot /home/bunny
bash-3.2# ls
bin  dev  etc  lib  root  usr
bash-3.2# cd root
bash-3.2# ls
index.html  server.pl  server.pl~
bash-3.2# cat server.pl
#!/usr/bin/perl
use IO::Socket::INET;

my $port = 8888;
my $ident = 'server';

my $serv = IO::Socket::INET->new(
  Proto     => 'tcp',
  LocalPort => $port,
  Listen    => SOMAXCONN,
  Reuse     => 1,
) or die "Can't start server: $!";

print "[Server $0 accepting clients at http://localhot:$port/]\n";

sub sendfile {
  my $client = shift;
  my $file = shift;
  open(FILE, $file);
  while (<FILE>) { print $client $_ };
  close FILE;
}

while (my $client = $serv->accept()) {
  $client->autoflush(1);
  
  my $request = <$client>;
  if ($request =~ m|^GET /(.*) HTTP/1.[01]|) {
    if ($1 eq 'index.html' or $1 eq '') { sendfile($client, 'index.html'); next }
    if (-e $1) {
      print $client "HTTP/1.0 200 OK\nServer: $ident\nContent-type: text/html\n\n";
      sendfile($client, $1);
    } else {
      print $client "HTTP/1.0 404 Not Found\nServer: $ident\n";
      print $client "Content-type: text/html\n\n";
      print $client "file $1 not found\n";
    }
  } else {
    print $client "HTTP/1.0 400 Bad Request\nServer: $ident\n";
    print $client "Conten-type: text/html\n\n";
    print $client "Bad request\n";
  }
  close $client;
}bash-3.2# perl server.pl
Can't start server: No such file or directory at server.pl line 7.
bash-3.2#

chroot('/home/bunny');

my $serv = IO::Socket::INET->new(