For HGST proj ubuntu deployment

HGST_ubuntu-deployment.yaml

# Manual https://canonical-subiquity.readthedocs-hosted.com/en/latest/reference/autoinstall-reference.html
autoinstall:
  version: 1
  refresh-installer:
    update: true
    channel: latest/edge
  updates: all
  identity:
    hostname: ubuntu-desktop
    password: '$6$TThZwH2sYnfxdzIN$COsmkwowJBH.pYW/jpfhzcBsxSQ6.lrEygIGUQLDrJBsTBgT1gLnkspvttBmgKIJl6UGGSOv4cDfV4Hj0BqS9/'
    # There is password hash, use `mkpasswd --method=SHA-512`
    realname: q
    username: q
  apt:
    preserve_sources_list: false
    mirror-selection:
      primary:
        - country-mirror
        - uri: "http://ko.archive.ubuntu.com/ubuntu"
          arches: [amd64]
      geoip: true
  keyboard:
    layout: us
    variant: ''
    toggle: null
  timezone: Asia/Seoul
  storage:
    layout:
      name: lvm
      match:
        ssd: true
  ssh:
    allow-pw: false
    authorized-keys: 
      - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKMYUmLg3GRx1UwdKqKwTI3lr/xeFKC8HYOULU3RScAZ ssh key Ground Station
    install-server: false
  late-commands:
    - curtin in-target -- apt -o Acquire::Check-Valid-Until=false -o Acquire::Check-Date=false update
    - curtin in-target -- add-apt-repository -y ppa:nuandllc/bladerf
    - curtin in-target -- apt install -y tmux openssh-server gnuradio gpredict bladerf

Always verify your YAML before using. How to do it? Use subiquity

git clone https://github.com/canonical/subiquity.git && cd subiquity/
make install_deps
# put my HGST_ubuntu-deployment.yaml to subiquity/
wcurl https://gist.githubusercontent.com/AndreiCherniaev/bf2248d46f2ec7972764eddb0009bc61/raw/a394f20ad2ba7c5140393e27b331bdbfdf4053fd/HGST_ubuntu-deployment.yaml

SNAP=. ./scripts/validate-autoinstall-user-data.py --no-expect-cloudconfig 'HGST_ubuntu-deployment.yaml'