OOKB - Olaf's Own Knowledge Base - linux:kvmqemu
https://www.neriola.info/wiki/
2026-05-13T10:59:12+00:00OOKB - Olaf's Own Knowledge Base
https://www.neriola.info/wiki/
https://www.neriola.info/wiki/lib/exe/fetch.php?media=wiki:dokuwiki.svgtext/html2023-11-05T13:41:30+00:00Anonymous (anonymous@undisclosed.example.com)expanddisk
https://www.neriola.info/wiki/doku.php?id=linux:kvmqemu:expanddisk&rev=1699191690&do=diff
+
KVM / QEMU Extend a virtual disk
Extend a virtual disk with simple partition schema
With the VM shut down directly extend the disk image on the host:
qemu-img resize virtual_disk.qcow2 +10G
Load the network block device driver into the kernel and attach the disk to the hosttext/html2023-02-12T16:55:21+00:00Anonymous (anonymous@undisclosed.example.com)mounthostdir
https://www.neriola.info/wiki/doku.php?id=linux:kvmqemu:mounthostdir&rev=1676220921&do=diff
KVM / QEMU Mount a host directory in a VM
With the VM shut down, open the VM settings (View Details), select “OS Information” on the list, change to XML and under <currentMemory unit=“KiB”>2097152</currentMemory> add
<memoryBacking>
<source type="memfd"/>
<access mode="shared"/>
</memoryBacking>