OS准备：OS的安装在此就不做说明了，我的目录结构与大小如下：Filesystem 1Mblocks Used Available Use% Mounted on/dev/sda2 9845 3726 5619 20% //dev/sda1 99 10 85 10% /boot/dev/sda8 1012 37 924 4% /homenone 125 0 125 0% /dev/shm/dev/sda6 1012 97 864 11% /tmp/dev/sda3 7876 3