由于在ubuntu进入root用户时没有正常关机，登录时出现了如下错误An antomatic file system check(fcsk) of the root file system  failed A manual fsck must be performed.../dev/sda7:missing .. in directory inode 1359988解决方法：在输入root

sudo apt-get install d4x 然后在firefox中加入 flashgot 插件