1. 以root身份启动
sudo passwd root修改密码
vi /etc/lightdm/lightdm.conf
[Seat:*]
autologin-guest=false
autologin-user=root >>>>>>>>>>>>>>>>>>>>>>>>>
autologin-user-timeout=0
ps: lightdm= light display manager 参考 https://www.cnblogs.com/EasonJim/p/7128317.html
2. vi /etc/rc.local, chmod +x /etc/rc.local
#!/bin/sh
sleep 3
route add -net 10.111.2.0/24 gw 192.168.8.24
3. vi /root/.profile
tty -s && mesg n || true
4. reboot