Set DNS settings

Change the default DNS server

On Arch and most modern Linux distributions domain name resolution is handled via the systemd-resolved #systemd configuration.

Within the system systemd files this will be handled in /etc/systemd/network/wired.network or /etc/systemd/network/wlan.network files etc.

In the file below I have turned of DHCP routing and specified the address of my Pi-Hole device to handle domain name resolution:

#wlan.network

[Match]
Name=wl*

[Link]
RequiredForOnline=routable

[Network]
DHCP=yes
DNS=192.168.0.4
MulticastDNS=yes

[DHCPv4]
UseDNS=no
RouteMetric=600

[IPv6AcceptRA]
RouteMetric=600

This stops it using the default DNS server of my router and runs the resolutions against Pi-Hole.

This should automatically update the two resolv.conf files (which should be in syc), viz:

# File: /run/NetworkManager/resolv.conf
# Generated by NetworkManager
nameserver 192.168.0.4
nameserver fded:2060:8671:0:681:9bff:fe9b:37f0

# File: /etc/resolv.conf
# Generated by NetworkManager
nameserver 192.168.0.4
nameserver fded:2060:8671:0:681:9bff:fe9b:37f0

Network scanning Network debugging

Set DNS settings

Change the default DNS server

Related notes