1、打开终端输入:
sudo nano /etc/dhcpcd.conf
输入后会弹出 一个菜单。
2、删除配置程序:把这部分固定IP的程序注释或删除掉
#interface eth0
#static ip_address=10.12.8.124/24
#static routers=10.12.8.1
#static domain_name_servers=202.102.152.3 114.114.114.114
sudo nano /etc/dhcpcd.conf
#interface eth0
#static ip_address=10.12.8.124/24
#static routers=10.12.8.1
#static domain_name_servers=202.102.152.3 114.114.114.114