apache无法启动：报错

Ubuntu 12.04,lamp, localhost无法访问

phoenix@hp321:~$ sudo /etc/init.d/apache2 restart

 * Restarting web server apache2                                                (98)Address already in use: make_sock: could not bind to address 0.0.0.0:443
no listening sockets available, shutting down
Unable to open logs
Action 'start' failed.
The Apache error log may have more information.
                                                                         [fail]

尝试过这里说的方法也无效：

http://digitalsanctum.com/2007/08/18/apache-httpd-address-already-in-use-make_sock-could-not-bind-to-address-0000443/