改网关
sudo vim /etc/systemd/resolved.conf
[Resolve]
DNS=192.168.30.2
#FallbackDNS=
#Domains=
#LLMNR=no
#MulticastDNS=no
#DNSSEC=no
#Cache=yes
#DNSStubListener=yes
静态IP，网关
sudo vim /etc/netplan/01-network-manager-all.yaml
# Let NetworkManager manage all devices on this system
#network:
# version: 2
# renderer: NetworkManager
#
network:
ethernets:
ens33:
dhcp4: no
addresses: [192.168.30.145/24]
optional: true
gateway4: 192.168.30.2
nameservers:
addresses: [192.168.30.2,223.6.6.6]
version: 2
