Узнать версию установленных Apachе, MySQL, PHP на Ubuntu

apache:
host:~$ apache2 -v

Server version: Apache/2.2.16 (Ubuntu)
Server built: Sep 8 2010 12:52:08

mysql:
select version()

5.1.49-1ubuntu8

php:
host:~$ php5 -v

PHP 5.3.3-1ubuntu9.1 with Suhosin-Patch (cli) (built: Oct 15 2010 14:17:04)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies