Expected Behaviour:
fresh install of pihole on an Ubuntu 20.04.1 LTS (HYPERV VM) with the command
curl -sSL https://install.pi-hole.net | bash
Pihole should be installed and DNS resolution should be ok.
the installation silently failed after displaying those lines:
[✓] Deleting existing list cache
[✗] DNS service is not running
[✓] Restarting DNS server
[✗] DNS resolution is not available
Actual Behaviour:
no more DNS resolution server wide.
when trying to debug why DNS resolution is broken, I've tried to : cat /etc/resolv.conf
which stated that my actual DNS is 127.0.0.53 ???
# This file is managed by man:systemd-resolved(8). Do not edit.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "resolvectl status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs must not access this file directly, but only through the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different way,
# replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.
nameserver 127.0.0.53
options edns0 trust-ad
When inspecting the DNS servers with resolvectl status
Global
LLMNR setting: no
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
DNSSEC NTA: 10.in-addr.arpa
16.172.in-addr.arpa
168.192.in-addr.arpa
17.172.in-addr.arpa
18.172.in-addr.arpa
19.172.in-addr.arpa
20.172.in-addr.arpa
21.172.in-addr.arpa
22.172.in-addr.arpa
23.172.in-addr.arpa
24.172.in-addr.arpa
25.172.in-addr.arpa
26.172.in-addr.arpa
27.172.in-addr.arpa
28.172.in-addr.arpa
29.172.in-addr.arpa
30.172.in-addr.arpa
31.172.in-addr.arpa
corp
d.f.ip6.arpa
home
internal
intranet
lan
local
private
test
Link 3 (docker0)
Current Scopes: none
DefaultRoute setting: no
LLMNR setting: yes
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
Link 2 (eth0)
Current Scopes: DNS
DefaultRoute setting: yes
LLMNR setting: yes
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
DNS Servers: 192.168.0.254
80.67.169.12
80.67.169.40
fd0f:ee:b0::1
I've managed to access pihole's interface after running sudo pihole -a -p
Installation should state that everything is correctly installed and working and internet with DNS resolution is still up and ok
Debug Token:
Full debug log removed by moderator and made private.