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#1 2015-09-21 23:22:06

aexl
Member
From: Basel, Switzerland
Registered: 2014-03-19
Posts: 24

systemd-resolved: Hostname conflict

I am using systemd-networkd and systemd-resolved to set up my internet connection. Unfortunately, there seems to be a problem with my hostname. Here is the message of "systemctl status systemd-resolved":

● systemd-resolved.service - Network Name Resolution
   Loaded: loaded (/usr/lib/systemd/system/systemd-resolved.service; enabled; vendor preset: enabled)
   Active: active (running) since Die 2015-09-22 01:13:51 CEST; 36s ago
     Docs: man:systemd-resolved.service(8)
 Main PID: 421 (systemd-resolve)
   Status: "Processing requests..."
   CGroup: /system.slice/systemd-resolved.service
           └─421 /usr/lib/systemd/systemd-resolved

Sep 22 01:13:51 lebesgue systemd[1]: Starting Network Name Resolution...
Sep 22 01:13:51 lebesgue systemd-resolved[421]: Using system hostname 'lebesgue'.
Sep 22 01:13:51 lebesgue systemd[1]: Started Network Name Resolution.
Sep 22 01:13:56 lebesgue systemd-resolved[421]: Detected conflict on lebesgue IN AAAA  fe80::5246:5dff:fe70:5dfd
Sep 22 01:13:56 lebesgue systemd-resolved[421]: Hostname conflict, changing published hostname from 'lebesgue' to 'lebesgue4'.
Sep 22 01:13:58 lebesgue systemd-resolved[421]: Detected conflict on lebesgue4 IN AAAA  fe80::6670:2ff:fef9:6f33
Sep 22 01:13:58 lebesgue systemd-resolved[421]: Hostname conflict, changing published hostname from 'lebesgue4' to 'lebesgue9'.
Sep 22 01:13:59 lebesgue systemd-resolved[421]: Detected conflict on lebesgue9 IN AAAA  fe80::5246:5dff:fe70:5dfd
Sep 22 01:13:59 lebesgue systemd-resolved[421]: Hostname conflict, changing published hostname from 'lebesgue9' to 'lebesgue15'.
Sep 22 01:14:25 lebesgue systemd-resolved[421]: Switching to DNS server 192.168.1.1 for interface enp3s0.

Here is my /etc/hosts:

#
# /etc/hosts: static lookup table for host names
#

#<ip-address>	<hostname.domain.org>	<hostname>
127.0.0.1	localhost.localdomain	localhost    lebesgue
::1		localhost.localdomain	localhost    lebesgue
192.168.1.1	router.localdomain	router

I have tried to remove "lebesgue" from the first two lines, but without any success...

My settings in /etc/systemd/network/wired.network:

[Match]
Name=enp3s0

[Network]
Address=192.168.1.99/24
Gateway=192.168.1.1
DNS=192.168.1.1
DNS=8.8.8.8
DNS=8.8.4.4

My settings in /etc/nsswitch.conf:

# Begin /etc/nsswitch.conf

passwd: files
group: files
shadow: files

publickey: files

hosts: files resolve lebesgue
networks: files

protocols: files
services: files
ethers: files
rpc: files

netgroup: files

# End /etc/nsswitch.conf

Does anybody knows, what the problem is here? The network seems to work fine though.

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#2 2015-09-22 06:59:31

Raynman
Member
Registered: 2011-10-22
Posts: 1,250

Re: systemd-resolved: Hostname conflict

What is "lebesgue" doing in /etc/nsswitch.conf? Do you have a /lib/libnss_lebesgue.so.X?

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