Linux KVM Virtualization Reconfigure Guest CPUs

Internal

• Linux Virtualization Operations

Procedure

Shut down the guest:

virsh shutdown <guest-name>

Edit the guest definition:

virsh edit <guest-name>

Lookup the CPU definition line:

<vcpu placement='auto'>16</vcpu>

Edit to the desired value.

Restart the guest:

virsh start <guest-name>

Verify that the memory change took:

virsh dominfo <guest-name>