What is multipass?

Multipass is a lightweight VM manager for Linux, Windows and macOS. It's designed for developers who want a fresh Ubuntu environment with a single command. It uses KVM on Linux, Hyper-V on Windows and HyperKit on macOS to run the VM with minimal overhead. It can also use VirtualBox on Windows and macOS. Multipass will fetch images for you and keep them up to date.

Since it supports metadata for cloud-init, you can simulate a small cloud deployment on your laptop or workstation.

Install Multipass

On Linux it's available as a snap:

sudo snap install multipass --beta --classic

For macOS, you can download the installers from GitHub or use Homebrew:

brew cask install multipass

On Windows, download the installer from GitHub.


Find available images

$ multipass find
Image                   Aliases           Version          Description
core                    core16            20190424         Ubuntu Core 16
core18                                    20190213         Ubuntu Core 18
16.04                   xenial            20190628         Ubuntu 16.04 LTS
18.04                   bionic,lts        20190627.1       Ubuntu 18.04 LTS
18.10                   cosmic            20190628         Ubuntu 18.10
19.04                   disco             20190628         Ubuntu 19.04
daily:19.10             devel,eoan        20190623         Ubuntu 19.10

Launch a fresh instance of the current Ubuntu LTS

$ multipass launch ubuntu
Launching dancing-chipmunk...
Downloading Ubuntu 18.04 LTS..........
Launched: dancing chipmunk

Check out the running instances

$ multipass list
Name                    State             IPv4             Release
dancing-chipmunk        RUNNING    Ubuntu 18.04 LTS
live-naiad              RUNNING    Ubuntu 18.04 LTS
snapcraft-asciinema     STOPPED           --               Ubuntu Snapcraft builder for Core 18

Learn more about the VM instance you just launched

$ multipass info dancing-chipmunk
Name:           dancing-chipmunk
State:          RUNNING
Release:        Ubuntu 18.04.1 LTS
Image hash:     19e9853d8267 (Ubuntu 18.04 LTS)
Load:           0.97 0.30 0.10
Disk usage:     1.1G out of 4.7G
Memory usage:   85.1M out of 985.4M

Connect to a running instance

$ multipass shell dancing-chipmunk
Welcome to Ubuntu 18.04.1 LTS (GNU/Linux 4.15.0-42-generic x86_64)


Don't forget to logout (or Ctrl-D) or you may find yourself heading all the way down the Inception levels... ;)

Run commands inside an instance from outside

$ multipass exec dancing-chipmunk -- lsb_release -a
No LSB modules are available.
Distributor ID:  Ubuntu
Description:     Ubuntu 18.04.1 LTS
Release:         18.04
Codename:        bionic

Stop an instance to save resources

$ multipass stop dancing-chipmunk

Delete the instance

$ multipass delete dancing-chipmunk

It will now show up as deleted:

Name                    State             IPv4             Release
snapcraft-asciinema     STOPPED           --               Ubuntu Snapcraft builder for Core 18
dancing-chipmunk        DELETED           --               Not Available

And when you want to completely get rid of it:

$ multipass purge

Get help

multipass help
multipass help <command>

Get involved!

Here's a set of steps to build and run your own build of multipass:

Build Dependencies

cd <multipass>
apt install devscripts equivs
mk-build-deps -s sudo -i


cd <multipass>
git submodule update --init --recursive
mkdir build
cd build
cmake ../

Running multipass daemon and client

sudo <multipass>/build/bin/multipassd &
<multipass>/build/bin/multipass launch --name foo
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