设置禁用系统内置dns缓存服务

systemctl disable --now systemd-resolved

安装dnsmasq

apt-get install dnsmasq dnsutils ldnsutils -y

配置

vi /etc/dnsmasq.conf

port=53

dhcp-range=10.0.0.200,10.0.0.250,12h

dhcp-option=option:router,10.0.0.1

dhcp-option=option:ntp-server,10.0.0.10

dhcp-option=option:dns-server,10.0.0.10

dhcp-option=option:netmask,255.255.255.0

重启服务并设置开机自启动

systemctl restart dnsmasq

systemctl enable dnsmasq