今天在虚拟机上安装ubuntu12，安装成功后，用apt-get install 安装软件时出现以下错误：
'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/cn.archive.ubuntu.com_ubuntu_dists_natty_main_binary-i386_Packages
解决办法：
sudo rm /var/lib/apt/lists/* -vf
sudo apt-get update