[systemd-devel] Transient hostname default behaviour

[Kay Sievers]

On Mon, Oct 29, 2012 at 9:56 PM, Zbigniew Jędrzejewski-Szmek
<zbyszek at in.waw.pl> wrote:
> On Mon, Oct 29, 2012 at 01:38:55PM -0600, Daniel Drake wrote:
>> On Mon, Oct 29, 2012 at 1:33 PM, Daniel Drake <dsd at laptop.org> wrote:
>> > I'm working on updating OLPC configuration for systemd-195 based on this info:
>> > http://lists.fedoraproject.org/pipermail/test/2012-October/111230.html
>> >
>> > I can't quite figure out the hostname thing.
>>
>> One more thing to add:
>>
>> It looks like /etc/sysconfig/network is still being parsed even though
>> the above link suggests otherwise. Putting HOSTNAME=myhostname in
>> /etc/sysconfig/network sets the default transient hostname. Hmm.
> Hi,
>
> I am seeing similar behaviour, avahi registers on linux.local.
>
> In the journal, messages are labelled with the hostname... This makes
> is fairly easy to spot when the name changes:
>
> Oct 28 13:13:34 localhost avahi-daemon[483]: Server startup complete. Host name is linux.local. Local service cookie is 781387960.
> Oct 28 13:13:36 localhost avahi-daemon[483]: Joining mDNS multicast group on interface eth0.IPv4 with address 192.168.122.254.
> Oct 28 13:13:36 localhost avahi-daemon[483]: New relevant interface eth0.IPv4 for mDNS.
> Oct 28 13:13:36 localhost avahi-daemon[483]: Registering new address record for 192.168.122.254 on eth0.IPv4.
> Oct 28 13:13:36 localhost NET[700]: /usr/sbin/dhclient-script : updated /etc/resolv.conf
> Oct 28 13:13:36 fedora-15 network[522]: Determining IP information for eth0...Failed to issue method call: Unit chronyd.service is not loaded.
> Oct 28 13:13:36 fedora-15 dhclient[638]: bound to 192.168.122.254 -- renewal in 1611 seconds.
>
> So it seems that here the hostname is set by the network configuration
> script.
>
> It _was_ working until a few days ago.

We've seen in the past NetworkManager setting the hostname from the
old config file, which it shouldn't.

There was also the suspicion that something is calling out to
hostnamed, which it shouldn't.

Are you sure it's not something along these lines?

Kay