我修改了/etc/apache2/sites-enabled/000-default.conf中的一些设置，现在我无法启动Apache。 这是什么原因，如何解决这个问题？
ubuntu@ip:~$ sudo /etc/init.d/apache2 stop * Stopping web server apache2 * ubuntu@ip:~$ sudo /etc/init.d/apache2 start * Starting web server apache2 (98)Address already in use: AH00072: make_sock: could not bind to address [::]:80 (98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down AH00015: Unable to open logs Action 'start' failed. The Apache error log may have more information.