Joe Doss jdoss

name	HQ City	website	Year Founded	Total Investment Amount	Company Description
Tegus	Chicago	tegus.co	2016	$91,500,000.00	The Buy Side's Leading Primary Research Platform
Hologram	Chicago	hologram.io	2014	$82,353,000.00	Hologram is a cellular platform designed for the Internet of Things. Thousands of connectivity teams rely on Hologram to keep their fleets connected around the world — from Burbank to Brisbane. Hologram was founded in 2014 by Benjamin Forgan and Patrick Wilbur. Inspired by the connectivity challenges affecting food delivery startups in Singapore, Hologram's co-founders focused their efforts on removing the red tape preventing fast-growing IoT teams from launching cellular equipped fleets around the world. What started as a Kickstarter, under Hologram's old name, Konekt, has blossomed into the de facto networks IoT teams use to launch their products. In the years since Hologram was founded, the company has been a partner to leading technology pioneers around the world. Hologram made it possibl

Pre-requisites

Install IPMItools using your package manager on laptop and target machine. Load the drivers on the target.

modprobe ipmi_devintf
modprobe ipmi_si

If you see the following, drivers are not loaded.

Make sure you have the kernel and live pxe initrd (different from normal initrd). Put them at $WORKDIR/{kernel,initrd}
Put your ignition config in $WORKDIR/config.ign
Put this script at $WORKDIR/boot.ipxe:

#!ipxe
kernel tftp://10.0.2.2/kernel console=ttyS0 \
  ignition.firstboot ip=dhcp rd.neednet=1 ignition.platform.id=metal \
  ignition.config.url=tftp://10.0.2.2/config.ign
initrd tftp://10.0.2.2/initrd
boot

Encrypted Btrfs storage setup and maintenance guide

Initial setup with LUKS/dm-crypt

This exemplary initial setup uses two devices /dev/sdb and /dev/sdc but can be applied to any amount of devices by following the steps with additional devices.

Create keyfile:

dd bs=64 count=1 if=/dev/urandom of=/etc/cryptkey iflag=fullblock
chmod 600 /etc/cryptkey

	.: {
	log
	loadbalance

	# auto: automatically pick up file changes
	auto service.nomad {
	directory local/zones
	reload 1s
	}
	}

	from notion.client import NotionClient
	import datetime
	import os
	from slugify import slugify
	import re
	import requests
	import time
	import hashlib
	import shutil
	import sys

	{
	"aliasColors": {},
	"dashLength": 10,
	"datasource": "InfluxDB",
	"fieldConfig": {
	"defaults": {
	"custom": {},
	"links": []
	},
	"overrides": []

	# Marker to tell the VCL compiler that this VCL has been written with the
	# 4.0 or 4.1 syntax.
	vcl 4.1;

	import std;

	# Default backend definition. Set this to point to your content server.
	backend default {
	.host = "127.0.0.1";
	.port = "8080";

	# /etc/sysctl.conf

	net.core.default_qdisc = fq
	net.ipv4.tcp_congestion_control = bbr

	net.ipv4.conf.default.rp_filter = 1
	net.ipv4.conf.all.rp_filter = 1
	net.ipv4.ip_forward = 1
	net.ipv4.tcp_syncookies = 1

	#!/usr/bin/env python3

	# vim: autoindent tabstop=4 shiftwidth=4 expandtab softtabstop=4 filetype=python

	# This file is part of Supermicro IPMI certificate updater.
	# Supermicro IPMI certificate updater is free software: you can
	# redistribute it and/or modify it under the terms of the GNU General Public
	# License as published by the Free Software Foundation, version 2.
	#
	# This program is distributed in the hope that it will be useful, but WITHOUT