Le 24/04/2025 à 23:01, Jonathan Billings a écrit :
On Apr 24, 2025, at 08:28, François Patte <francois.patte@xxxxxx> wrote:
am a little bit confused about the dns : I have systemd-resolved installed and when I list the content of the package (rpm -ql), I can read on the first line:
/etc/systemd/resolved.conf
But there is no /etc/systemd/resolved.conf
There is a /usr/lib/systemd/resolved.conf but it is a file the lines of whitch are all commented...
It may take some getting used to, but systemd has multiple places where configuration is read, and the files in /etc/systemd overrides the files in /usr/lib/systemd. The idea is that the OS packages files in /usr/lib and /etc is for local changes. The same occurs with systemd service units.
You can create (or copy over from /usr/lib/systemd) the /etc/systemd/resolved.conf and use the options that are commented out, and it will override the file in /usr/lib/systemd.
The package has that file marked as %ghost, it is part of the package but actually supplied by the package.
Thank you for these explanations (and thank you to Samuel too). Now I
would like to understand something else: I created a
/etc/systemd/resolved.conf file with:
[Resolve]
DNS=80.67.169.12#ns0.fdn.fr 2001:910:800::12#ns0.fdn.fr
FallbackDNS=80.67.169.40#ns1.fdn.fr 2001:910:800::40#ns.fdn.fr
DNSOverTLS=yes
When I ask resolvectl status I get this:
Global
Protocols: LLMNR=resolve -mDNS +DNSOverTLS DNSSEC=no/unsupported
resolv.conf mode: stub
Current DNS Server: 80.67.169.12#ns0.fdn.fr
DNS Servers: 80.67.169.12#ns0.fdn.fr 2001:910:800::12#ns0.fdn.fr
Fallback DNS Servers: 80.67.169.40#ns1.fdn.fr 2001:910:800::40#ns.fdn.fr
Link 2 (eno1)
Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6
Protocols: +DefaultRoute LLMNR=resolve -mDNS +DNSOverTLS
DNSSEC=no/unsupported
Current DNS Server: 192.168.1.1
DNS Servers: 80.67.169.12 80.67.169.40 192.168.1.1
DNS Domain: home
Link 3 (wlp6s0)
Current Scopes: none
Protocols: -DefaultRoute LLMNR=resolve -mDNS +DNSOverTLS
DNSSEC=no/unsupported
OK for "global", that is what I want but what is the meaning of "Link 2"
? eno1 is the name of the ethernet device, should I understand that, in
fact my dns resolver is 192.168.1.1, the box, and then the dns is the
one of my ISP?
Thank you for lights.
F.P.
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