Debian 8.2系统安装ClamAV杀毒软件的方法是：
  1.vim /etc/apt/sources.list，添加：
  deb http://ftp2.de.debian.org/debian-volatile sarge/volatile main
  deb http://people.debian.org/~sgran/debian sarge main
  deb-src http://people.debian.org/~sgran/debian sarge main
  2.apt-get update 更新apt软件源
  3.apt-get install clamav clamav-daemon -y 安装杀毒软件包
  4.freshclam更新病毒库