!!!!!At kell nevezni yaml-re a fajlt!!!!! Az egyenloseg jelekkel egyutt torolheto ez a resz!
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#cloud-config
preserve_hostname: false
manage_etc_hosts: true

users:
  - name: feketebt
    groups: sudo
    shell: /bin/bash
    lock_passwd: false
    passwd: "$6$v4pWfv2/1rR24SDS$TE4yxcNddNZTa/N50AmN5onikC6rfG1pZS2f1aN4TzWY5X3pfhlDNENUxOxTVImakdITSA4la8r3zW/Y8HB5S/"
    ssh_authorized_keys:
      - ssh-rsa AAAAB3...
      - ssh-dss AAAAB3...
      - ssh-ed25519 AAAA...

package_update: true
package_upgrade: true
package_reboot_if_required: true

locale: hu_HU.UTF-8
timezone: Europe/Budapest

ntp:
  enabled: true
  servers:
    - 0.hu.pool.ntp.org
    - 1.hu.pool.ntp.org
    - 2.hu.pool.ntp.org

keyboard:
  layout: hu
  variant: nodeadkeys
  model: pc105

apt:
  proxy: http://proxy.feketebt.net:8080
  conf: |
    Acquire::Retries "5";
    Acquire::http::Pipeline-Depth "0";
    Acquire::http::No-Cache "true";

write_files:
  - path: /etc/apt/apt.conf.d/95proxies
    permissions: '0644'
    content: |
      Acquire::http::Proxy "http://proxy.feketebt.net:8080";

  - path: /etc/profile.d/proxy.sh
    permissions: '0644'
    content: |
      export http_proxy="http://proxy.feketebt.net:8080"
      export no_proxy="localhost,127.0.0.1,10.0.0.0/8,172.24.0.0/16,192.168.0.0/16"

packages:
  - qemu-guest-agent

runcmd:
  - sed -i 's/^#\?PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config
  - sed -i 's/^#\?ChallengeResponseAuthentication.*/ChallengeResponseAuthentication no/' /etc/ssh/sshd_config
  - systemctl reload ssh
  - systemctl enable qemu-guest-agent
  - systemctl start qemu-guest-agent
  - echo "snoopy snoopy/install-ld-preload boolean true" | debconf-set-selections
  - DEBIAN_FRONTEND=noninteractive apt-get install -y snoopy