Отображение числа непрочитанных сообщений в коньках

[user@comp-core-i5-d3b45e .scripts]$ sudo perl /home/user/.scripts/imap.pl
[sudo] password for user:
socket(): Name or service not known at /home/user/.scripts/imap.pl line 13.

#!/usr/bin/perl

# gimap.pl by gxmsgx
# description: get the count of unread messages on imap

use strict;
use Mail::IMAPClient;
use IO::Socket::SSL;

my $username = 'имя_пользователя'; 
my $password = 'пароль123'; 

my $socket = IO::Socket::SSL->new(
  PeerAddr => 'imap.server',
  PeerPort => 993
 )
 or die "socket(): $@";

my $client = Mail::IMAPClient->new(
  Socket   => $socket,
  User     => $username,
  Password => $password,
 )
 or die "new(): $@";

if ($client->IsAuthenticated()) {
   my $msgct;

   $client->select("INBOX");
   $msgct = $client->unseen_count||'0';
   print "$msgct\n";
}

$client->logout();