"....Are you sure you have the correct protocol? Are you actually using SSH? "

##</code><code>##

use Net::SSH qw(sshopen2);
  use strict;

  my $user = "root";
  my $host = "149.195.49.155";
  my $cmd = "ls -l";

  sshopen2("$user\@$host", *READER, *WRITER, "$cmd") || die "ssh: $!";

  while (<READER>) {
      chomp();
      print "$_\n";
  }

  close(READER);
  close(WRITER);

##</code><code>##

C:\Scripts>esx_conn3.pl
'ssh' is not recognized as an internal or external command,
operable program or batch file.