- Download via
http://cdimage.ubuntu.com/releases/18.04/beta/
wget http://cdimage.ubuntu.com/releases/18.04/beta/ubuntu-18.04-beta-preinstalled-server-arm64+raspi3.img.xz
- Run
unxz ubuntu-18.04-beta-preinstalled-server-arm64+raspi3.img.xz
- Identify flash drive with
lsblk
- Flash with Etcher /
dd
2255+1 records in
2255+1 records out
2364544000 bytes (2.4 GB, 2.2 GiB) copied, 111.076 s, 21.3 MB/s