Multipass: Modify number of CPU on an existing instance

>= multipass v1.10 (Jul 2022)

multipass set local.YOUR-VM1-NAME.memory=8GB
(no output)
multipass set local.YOUR-VM1-NAME.cpus=2

• macOS old method

multipass stop your-instance

sudo launchctl unload /Library/LaunchDaemons/com.canonical.multipassd.plist
sudo vi /var/root/Library/Application\ Support/multipassd/multipassd-vm-instances.json

sudo vi "/var/root/Library/Application Support/multipassd/qemu/multipassd-vm-instances.json"

Modify: num_cores

sudo launchctl load /Library/LaunchDaemons/com.canonical.multipassd.plist
multipass start your-instance

Related terms

• virsh setvcpus
• multipass start
• mem_size = 4294967296 and 4096

See also

• Multipass, MULTIPASS_STORAGE, /Library/Logs/Multipass/multipassd.log, /var/run/multipass_socket, Multipass releases, multipassd

https://github.com/canonical/multipass/issues/1158