Ubuntu查看并修改DNS

 1. 查看当前DNS

systemd-resolve --status

或

resolvectl status

2. 修改DNS

sudo vi /etc/systemd/resolved.conf

sudo systemctl restart systemd-resolved.service

附常见DNS:

        腾讯 DNS: 119.29.29.29、182.254.116.116

        阿里 DNS: 223.5.5.5、223.6.6.6

        百度 DNS: 180.76.76.76

        114 DNS: 114.114.114.114、114.114.115.115

        CNNIC DNS: 1.2.4.8、210.2.4.8

        北京联通DNS: 202.106.195.68