Discussion:
Strange update of libvirt
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Peter Nabbefeld
2017-03-04 08:56:08 UTC
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Hello,

I got the following message when updating:
Warnung: /etc/libvirt/qemu/networks/default.xml installed as
/etc/libvirt/qemu/networks/default.xml.pacnew

As I wanted to know what to copy from the pacnew file, I did:
sudo diff /etc/libvirt/qemu/networks/default.xml
/etc/libvirt/qemu/networks/default.xml.pacnew

The result was:
1,7d0
< <!--
< WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
< OVERWRITTEN AND LOST. Changes to this xml configuration should be made
using:
< virsh net-edit default
< or other application using the libvirt API.
< -->
<
10,14c3,6
< <uuid>cc98c916-edd7-4e5f-8fbc-60839e8fa692</uuid>
< <forward mode='nat'/>
< <bridge name='virbr0' stp='on' delay='0'/>
< <mac address='52:54:00:3a:62:50'/>
< <ip address='192.168.122.1' netmask='255.255.255.0'>
---
<uuid>73618f96-1a85-47a8-a809-7edd8ad7899a</uuid>
<bridge name="virbr0"/>
<forward/>
<ip address="192.168.122.1" netmask="255.255.255.0">
16c8
< <range start='192.168.122.2' end='192.168.122.254'/>
---
<range start="192.168.122.2" end="192.168.122.254"/>
First, I noticed the removal of the warning - obviously this file hasn't
been used for manual configurations (instead auto-configured) - what has
changed in configuration handling?

Second, the uuid has changed - why?

So, do I have to change my original file or better ignor the pacnew file?

Kind regards
Peter
Martin Kühne via arch-general
2017-03-04 10:52:58 UTC
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This keeps happening for me every time, and I just ignore the .pacnew
file. It should actually not be considered on updates because the
settings stored therein can be modified through the virt-manager UI
anyway. I used to think that adding the path to backups=() in the
PKGBUILD would solve the problem, thinking further about it, removing
it from the package files completely might be a better idea, though.

One other alternative I can think of would be to name your default
network differently as to not clash with the package provided setting.

cheers!
mar77i

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