Aumentar volumen espacio en qemu/kvm y compartir clipboard y compartir carpeta


Kvm 

sudo qemu-img resize /var/lib/libvirt/images/artix.qcow2 +10G

sudo apt install spice-vdagent

Agregar carpeta compartida.

Graficamente: https://ostechnix.com/setup-a-shared-folder-between-kvm-host-and-guest/

https://libvirt.org/kbase/virtiofs.html

  • sudo apt-get install virt-manager libguestfs-tools
  • 9p option in your libvirt XML definition.
cd /etc/libvirt/qemu/
sudo vim debian12.xml

Agregá antes de </domain> y dentro de <devices>

<filesystem type='mount' accessmode='passthrough'>
 <source dir='/tu/carpeta/host'/>
 <target dir='share'/>
</filesystem>

En el guest:

mount -t 9p -o trans=virtio share /mnt/shared

Si no te funcioná tenés que habilitar módulos.

Resolved for me (with an ubuntu 18.04 host and 14.04 guest) by adding theses modules:

  • virtio_input
  • 9pnet
  • 9pnet_virtio

into guest file /etc/initramfs-tools/modules.

Don’t forget to upadate initramfs for your kernel(s) after add:

update-initramfs -uk <kernel|all>
modprobe virtio_pci

https://www.guyrutenberg.com/2018/10/25/sharing-a-folder-a-windows-guest-under-virt-manager/

https://superuser.com/questions/1317119/qemu-share-folder-9pnet-virtio-no-channels-available-for-device

Otra forma (no es necesario)

https://libvirt.org/kbase/virtiofs.html

<domain>
  ...
  <memoryBacking>
    <source type='memfd'/>
    <access mode='shared'/>
  </memoryBacking>
  ...
  <devices>
    ...
    <filesystem type='mount' accessmode='passthrough'>
      <driver type='virtiofs' queue='1024'/>
      <source dir='/path'/>
      <target dir='mount_tag'/>
    </filesystem>
    ...
  </devices>
</domain>

Montá el directorio en el guest.

# mount -t virtiofs mount_tag /mnt/mount/path