Prerequisite
Install snapd if you don’t have it yet:
sudo apt install snapd
Install LXD
Install LXD and add current user permission to use LXD.
$ sudo snap install lxd
$ sudo usermod -a -G lxd <youruser>
$ newgrp lxd
$ lxc network set lxdbr0 ipv6.address none ipv6.nat false
$ /snap/bin/lxd init
Install Kubernetes
$ conjure-up kubernetes
Done.