启动apache出现:/etc/init.d/apache2: 51: .: Can't open /etc/apache2/envvars错误

　　解决办法:重新配置apache2.2-common

　$sudo apt-get purge apache2.2-common

　让后重新安装apache2模块

$sudo apt-get install apache2

重新启动apache2

$sudo sevice apache2 restart

你会看到重启成功的画面