sub checksudo {
my ($ssh, $ip, $pass) = @_; #$ssh is the successfully created openssh object, $pass is the user's sudo password

my $system = $ssh->system ('sudo -K') or return "failed to sudo -K: $!\n"; #ensure we are prompted for a password

my ( $pty, $pid ) = $ssh->open2pty(
        "sudo -p 'configtest:' bash 2>&1")
      or return "failed to attempt sudo bash: $!\n";

my $expect = Expect->init($pty);
#sleep 1;
#$expect->send ($pass . "\n");

$expect->expect(2,
        [ qr/configtest:/ => sub { my $expect =shift; $expect->send($pass . "\n"); exp_continue;} ],
        [ qr/Sorry/     => sub { my $expect=shift; print "Failed\n"; exp_continue; } ],
        );

#$expect->interact();
return;
}