krunvm changevm [Options] microVM
krunvm changevm changes the configuration of an existing microVM.
When run without any Options, it displays the current configuration of the microVM.
Removes all port mappings.
Removes all volume mappings.
- --cpus NUM
Changes the number of vCPUs that will be created for this microVM.
- --mem NUM
Changes the amount of RAM, in MiB, that will be available to this microVM.
The memory configured for the microVM will not be reserved immediately. Instead, it will be provided as the guest demands it, and both the guest and libkrun (acting as the Virtual Machine Monitor) will attempt to return as many pages as possible to the host.
- --name NAME
Assigns a new name to the microVM.
- -p, --port HOST_PORT:GUEST_PORT
Exposes a port in the guest running in the microVM through a port in the host.
This option can be specified multiple times to expose as many guest ports as desired.
- -v, --volume HOST_PATH:GUEST_PATH
Makes HOST_PATH visible in the guest running in the microVM through GUEST_PATH.
This option can be specified multiple times to make more paths in the host visible in the guest.
- -w, --workdir GUEST_PATH
Configures GUEST_PATH as the working directory for the first binary executed in the microVM.
krunvm(1), krunvm-create(1), krunvm-start(1).