nixos-cloudinit
    https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/services/system/cloud-init.nix
    https://discourse.nixos.org/t/a-cloudinit-image-for-use-in-proxmox/27519/14
    https://gist.github.com/voidus/1230b200043b7f815e2513663d16353b
    https://justinas.org/nixos-in-the-cloud-step-by-step-part-1
jayadeep km - nixos proxmox
    https://www.youtube.com/playlist?list=PLloQ4skyGOpdW3_MsBjWsZ5S_MpVbJSqf
        p1
        https://www.youtube.com/watch?v=sYVScdeixGs
            ! 4:00 - https://github.com/community-scripts/ProxmoxVE/blob/main/misc/post-pve-install.sh
        p2
        https://www.youtube.com/watch?v=Kpw6UzocMUA
        p3
        https://www.youtube.com/watch?v=IHH1o3mPYNo

        https://github.com/kmjayadeep/homelab-iac
        https://github.com/kmjayadeep/homelab-iac/tree/main/cosmos/jupiter
        https://github.com/kmjayadeep/homelab-iac/tree/main/nixos-images
        https://github.com/kmjayadeep/homelab-iac/tree/main/nixos-images/nixos-base-image
        https://github.com/kmjayadeep/homelab-iac/tree/main/nixos-images/coder
        https://github.com/kmjayadeep/homelab-iac/blob/main/nixos-images/coder/configuration.nix
        https://github.com/kmjayadeep/homelab-iac/tree/main/nixos-images/coder/modules
        https://github.com/kmjayadeep/homelab-iac/tree/main/terraform-modules/proxmox-vm-qemu
            !!!

savolla - nixos proxmox
    https://www.youtube.com/playlist?list=PLrwzufn0Pq4ZRnMoet0roO6si6NsBDSA-
    https://github.com/savolla?tab=repositories
    https://savolla.github.io/cortex/#/page/videos
        https://savolla.github.io/cortex/#/page/zero%20to%20hero%20cicd%20pipeline%20%7C%20part%201
        https://www.canva.com/design/DAGRUMFFs3c/lNFwVoe4ymvXjbvVBlM0LQ/view
        https://savolla.github.io/cortex/#/page/zero%20to%20hero%20cicd%20pipeline%20%7C%20part%202
            !!!!! - need to carefully check each !!!!!
            https://nix.dev/tutorials/nixos/deploying-nixos-using-terraform.html
            !!!
            https://github.com/JeremiahSecrist/terraform-proxmox-nix-deploy
            https://fasterthanli.me/tags/nix
            https://fasterthanli.me/series/building-a-rust-service-with-nix/part-1
            ...
            https://fasterthanli.me/series/building-a-rust-service-with-nix/part-9
    https://www.youtube.com/watch?v=Y2xCmbXZAgc
    ./create-infra.sh
    cd cicd-pipeline/iac
    iac ./create-infra.sh
        Creating VMs
        ~/cicd-pipeline/iac/terraform ~/cicd-pipeline/iac
        proxmox_vm_qemu.nixos["monitoring"]: Creating..
        proxmox_vm_qemu.nixos["jenkins-master"]: Creating..
        proxmox_vm_qemu.nixos["jenkins-agent"]: Creating..
        proxmox_vm_qemu.nixos["sonarqube"]: Creating..
        proxmox_vm_qemu.nixos["nexus"]: Creating..
        proxmox_vm_qemu.nixos["monitoring"]: Modifying...
        ...
        Waiting to newly created resources come alive 25 seconds
        Installing and Starting services
        ~/cicd-pipeline/iac/nix ~/cicd-pipeline/iac
        building Nix...
        building the system configuration...
        ...
        Launching All Service WebUIs In Web Browser
    ! 4:36 tf files for nixos
    resource "proxmox_vm_qemu" "nixos" {
      clone = "nixos-cloudinit"
      os_type = "cloud-init"
      ...
      ciuser = "savolla"
      ...
    }