树莓派上固定ip

sudo nano /etc/dhcpcd.conf

interface eth0

static ip_address=192.168.123.99/24

static routers=192.168.123.1

static domain_name_servers=192.168.123.1 119.29.29.29

修改完之后，ctrl+x退出，问是否保存,Y，再按Enter退出即可

https://www.jianshu.com/p/f9cb0f85a4e6