查詢Linux、Apache、PHP、MariaDB版本

1.查詢Linux版本

    #uname -a

    Linux localhost.localhost 3.10.0-327.36.3.el7.x86_64 #1 SMP Mon Oct 24 16:09:20 UTC 2016   
    x86_64 x86_64 x86_64 GNU/Linux

2.查詢Apache版本

    # httpd -v
    Server version: Apache/2.4.6 (CentOS)
    Server built: Jul 18 2016 15:30:14
3.查詢PHP版本
    # php -v
    PHP 5.4.16 (cli) (built: Aug 11 2016 21:24:59)
    Copyright (c) 1997-2013 The PHP Group
    Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies

4.查詢MariaDB版本
    # mysql -V(大寫)
    mysql Ver 15.1 Distrib 5.5.50-MariaDB, for Linux (x86_64) using readline 5.1