Ubuntu 完全卸载Apache2

1. 删除apache

   sudo apt-get --purge remove apache-common
   sudo apt-get --purge remove apache

2. 删除配置文件

   sudo find /etc -name "*apache*" |xargs  rm -rf
   sudo rm -rf /var/www
   sudo rm -rf /etc/libapache2-mod-jk

3. 删除关联

   dpkg -l |grep apache2|awk '{print $2}'|xargs dpkg -P