ubuntu 14.04常见问题

1. 改root密码

sudo passwd root

2. 显示登录框

sudo gedit /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf

添加 

• autologin-user=root
• greeter-session=unity-greeter
• user-session=ubuntu
• greeter-show-manual-login=true
• allow-guest=false

3. 右键打开终端

sudo apt-get install nautilus-open-terminal

 4.启动出现Error found when loading /root/.profile stdin:is not a tty

gedit /root/.profile

将mesg n 修改为 tty -s && mesg n