I have been try to create an a virtual machine with qemu, libvirt, and libvirt-manager. However, been selected ISO file and clicked on “start”, I get an error such as mentioned in the title of this topic.
¿Could you help me?
Have you been following the guidance in Arch Wiki?
libvirt - ArchWiki
general configuration, group membership, service starting, network setup …
QEMU - ArchWiki
Yes, but I have no so time to read it slowly so I have needed some free days to understand, because my English level is not so high. Nevertheless I have get the solution, I just needed include my user as member of “libvirt” group.
Now I have got an other problem. When I want to create a virtual machine with a virtual network in bridge mode, I get an error like this:
Traceback (most recent call last):
File “/usr/share/virt-manager/virtManager/asyncjob.py”, line 65, in cb_wrapper
callback(asyncjob, *args, **kwargs)
File “/usr/share/virt-manager/virtManager/createvm.py”, line 2001, in _do_async_install
File “/usr/share/virt-manager/virtinst/install/installer.py”, line 701, in start_install
domain = self._create_guest(
File “/usr/share/virt-manager/virtinst/install/installer.py”, line 649, in _create_guest
domain = self.conn.createXML(install_xml or final_xml, 0)
File “/usr/lib/python3.9/site-packages/libvirt.py”, line 4366, in createXML
raise libvirtError(‘virDomainCreateXML() failed’)
libvirt.libvirtError: Unable to get interface MTU on ‘MyServer’: Device does not exist
Dependencys are installed (I have checked wiki) and I don’t find the solution on “libvirt - ArchWiki” .
Do you know what could be happening?
Maybe we could tell something
if you told us what you did
how you tried to do the following:
First of all I start “libvirtd” demon with “systemctl”, then run virt-manager and continue all the process to create a virtual machine. However, before to finish that process, when I select network setting as “bridge” (attached image) and I click on “Finalizar” (“finish” in English) to start with the automated process of installation, I have got the error mentioned above.
I think you need to create a bridge device first.
This KB article from RH Access might help.
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