setting DNS ubuntu server 20

 

root@pbx:~# nano /etc/systemd/resolved.conf

[Resolve]

DNS=8.8.8.8

#FallbackDNS=

#Domains=

#LLMNR=no

#MulticastDNS=no

#DNSSEC=no

#DNSOverTLS=no

#Cache=yes

#DNSStubListener=yes

#ReadEtcHosts=yes

root@pbx:~# sudo systemctl restart systemd-resolved