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Virtualisation: Network problems

From: Gottfried
Subject: Virtualisation: Network problems
Date: Sun, 25 Sep 2022 17:58:01 +0000

Hi Guixers,

Basic details of my Virtualisation setup:

Libvirt URL: qemu:///System
Autoconnect yes
Network selection
It gives me 3 options:

1. I added a virtual network
        Name: network
        Device: virbr0 is there
        IPv4 configuration is there


  <forward mode="nat">
      <port start="1024" end="65535"/>
  <bridge name="virbr0" stp="on" delay="0"/>
  <mac address="52:54:00:16:e9:74"/>
  <domain name="network"/>
  <ip address="" netmask="">
      <range start="" end=""/>

2. Bridge device
3. Macvtap device

I guess the 1. option is the one I need. May be I made a mistake in adding a virtual network

When I want to set up the QEMU/KVM network connection for the VM
and I want to run the last step(the 5/5 step) of installing an iso
it says:

Installation konnte nicht fertiggestellt werden/
Installation could not be completed:
Failed connect socket to
No such file or directory
Installation konnte nicht fertiggestellt werden: ┬źFailed to connect socket to '/var/run/libvirt/virtlogd-sock': No such file or directory┬╗

Traceback (most recent call last):
File "/gnu/store/n3gyjzsylh2abc3ykxz9kf5335azgacr-virt-manager-3.2.0/share/virt-manager/virtManager/", line 65, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
File "/gnu/store/n3gyjzsylh2abc3ykxz9kf5335azgacr-virt-manager-3.2.0/share/virt-manager/virtManager/", line 2001, in _do_async_install
    installer.start_install(guest, meter=meter)
File "/gnu/store/n3gyjzsylh2abc3ykxz9kf5335azgacr-virt-manager-3.2.0/share/virt-manager/virtinst/install/", line 701, in start_install
    domain = self._create_guest(
File "/gnu/store/n3gyjzsylh2abc3ykxz9kf5335azgacr-virt-manager-3.2.0/share/virt-manager/virtinst/install/", line 649, in _create_guest
    domain = self.conn.createXML(install_xml or final_xml, 0)
File "/gnu/store/anh3nz3qr46f0ds5i1pswisrc9s3cf3f-python-libvirt-8.6.0/lib/python3.9/site-packages/", line 4442, in createXML
    raise libvirtError('virDomainCreateXML() failed')
libvirt.libvirtError: Failed to connect socket to '/var/run/libvirt/virtlogd-sock': No such file or directory

But running the last step:

Failed to find a suitable default network

What are the problems here?
Any suggestions?


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