设置 static ip

root@liuzonglin:~# vim /etc/network/interfaces		# 配置网卡信息

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

auto enp4s		# 网卡名称
iface enp4s inet static		# 静态
address 192.168.31.127		# 配置ip
netmask 255.255.192.0		# 配置网关
gateway 192.168.1.1		# 配置网关
root@liuzonglin:~# /etc/init.d/networking restart		# 重启网卡服务
root@liuzonglin:~# vim /etc/resolv.conf		# 配置DNS
nameserver 114.114.114.114

kylin

chmod +x /etc/rc.d/rc.local		# 授权重启
nohup /usr/local/las/program/network/bootup.sh & >> /etc/rc.d/rc.local		# 开机自启

root@liuzonglin:~# cat bootup.sh 
#!/bin/bash

# /etc/resolv.conf     nameserver 114.114.114.114
echo "nameserver 114.114.114.114" > /etc/resolv.conf
sudo systemctl daemon-reload
sudo systemctl restart systemd-resolved
iptables -F
iptables -X
root@liuzonglin:~#