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[guide] keycloak authentication for proxmox

How to setup Proxmox to use Keycloak as authentication realm.

Proxmox Setup

root@proxmox:/etc/pve# cat domains.cfg
pam: pam
        comment Linux PAM standard authentication

To see which profiles are in your user:

ls -lAh ~/Library/Application\ Support/Firefox/Profiles

If you would like to add and / or manage profiles:

/Applications/Firefox\ Developer\ Edition.app/Contents/MacOS/firefox -p

youtube-dl https://www.youtube.com/watch?v=pN0u2UePEYM

The system used while writing this note; based on ubuntu 20.04.6 mini.iso with openssh server only from tasksel. I went the Alt 1 route myself.

ssh pcem

$ cat /etc/issue
Ubuntu 20.04.6 LTS \n \l

apt-get install neovim vim tmux htop git python3-pip curl
mkdir -p /opt/local/dev
cd /opt/local/dev
git clone https://github.com/imartinez/privateGPT
cd privateGPT
mkdir models
cd models
curl -kLO https://gpt4all.io/models/ggml-gpt4all-j-v1.3-groovy.bin
cd ..

Configuring the VM in Joyent SmartOS /opt/local/artifacts/sn01bhyveUbuntuFM20S01.json had the following content

VCPUs in my case for this install: https://www.intel.com/content/www/us/en/products/sku/123550/intel-xeon-silver-4114-processor-13-75m-cache-2-20-ghz/specifications.html, meaning depending on the software to install one can pick anything between 1 and 10 for "vcpus"

{
  "autoboot": false,
  "brand": "bhyve",
  "alias": "sn01bhyveUbuntuFM20S01",
  "hostname": "sn01bhyveUbuntuFM20S01",

	local swift_lsp = vim.api.nvim_create_augroup("swift_lsp", { clear = true })
	vim.api.nvim_create_autocmd("FileType", {
	pattern = { "swift" },
	callback = function()
	local root_dir = vim.fs.dirname(vim.fs.find({
	"Package.swift",
	".git",
	}, { upward = true })[1])
	local client = vim.lsp.start({
	name = "sourcekit-lsp",

	//#!/usr/bin/swift
	import Foundation
	import QuartzCore

	//let task = Process()
	//task.launchPath = "/usr/bin/defaults"
	//task.arguments = ["write","com.apple.dock","persistent-apps","-array-add","{\"tile-type\"=\"spacer-tile\";}"]
	//let pipe = Pipe()
	//task.standardOutput = pipe
	//task.standardError = pipe

	// Created by Pedro Rojas (aka Pitt)
	// Link to learn more about this code: https://youtu.be/kZ7JPFUVv1w

	import SwiftUI
	import WebKit

	@resultBuilder
	struct HtmlBuilder {
	static func buildBlock() -> [HtmlTag] {
	[]

	import UIKit
	import PhotosUI

	class ViewController: UIViewController {

	@IBAction func presentPickerForImagesIncludingLivePhotos(_ sender: Any ) {
	presentPicker( filter: PHPickerFilter.images )
	}

	private func presentPicker( filter: PHPickerFilter ) {