Habitus Ordinis Mutatio

Practical guides and original essays on self-hosting, privacy, Bitcoin, technology, philosophy, and science by Adam Malin.

Publish an Umbrel App with Cloudflare Tunnel

Connect an Umbrel app to Cloudflare Tunnel without opening router ports, discover the correct container address, add authentication, and troubleshoot 502 errors.

Written by Adam in Self-Hosted on August 27th, 2025

16 Ways to Verify That Earth Is a Globe

Sixteen independent observations and repeatable experiments—from shadows and stars to radio horizons, eclipses, GPS, and circumnavigation—that test Earth's shape.

Written by Adam in Science on November 4th, 2024

VMDK vs. QCOW2: Choose and Convert VM Disk Images

Compare VMDK and QCOW2 by hypervisor, snapshots, portability, and storage behavior, then convert images safely with qemu-img and verify the result.

Written by Adam in Proxmox on May 21st, 2024

Does Velocity Banking Pay Off a Mortgage Faster?

A clear test of velocity banking: compare mortgage and HELOC costs, isolate the effect of extra cash flow, model variable-rate risk, and choose the simpler payoff method.

Written by Adam in Money on December 26th, 2023

Satoshi Circles: A Bitcoin Charting Hypothesis, Revisited

A retrospective on the Satoshi Circles Bitcoin chart method, how Fibonacci geometry can create compelling narratives, and how to test it without fooling yourself.

Written by Adam in Bitcoin on November 9th, 2023

How to Work Iteratively with Large Language Models

A practical workflow for getting reliable value from LLMs through clear objectives, staged context, evidence, tool use, critique, verification, and reusable handoffs.

Written by Adam in AI on November 3rd, 2023

Stochastic Electrodynamics vs. Quantum Electrodynamics

A careful comparison of stochastic electrodynamics and quantum electrodynamics, what zero-point fields can explain, where SED struggles, and what evidence would matter.

Written by Adam in Science on October 12th, 2023

Fix a Proxmox VM Stuck in an Error or Locked State

Diagnose a Proxmox VM that will not start, distinguish a stale lock from a real storage or cluster failure, unlock it safely, and verify recovery.

Written by Adam in Proxmox on October 12th, 2023

AI, Open Source, and Bitcoin in an Epoch of Change

An argument for funding durable open software in the AI era, where automation lowers production costs but maintenance, trust, ownership, and capital still matter.

Written by Adam in Bitcoin on October 12th, 2023

Resize a Debian VM Disk in Proxmox and Add Swap

Safely expand a Proxmox virtual disk, grow the Debian partition and filesystem, add a swap file, and verify every layer before rebooting.

Written by Adam in Proxmox on October 11th, 2023

Edit Debian APT Sources Safely (Deb822 and sources.list)

Identify your Debian release, back up APT configuration, edit modern deb822 sources or legacy sources.list entries, and fix common update errors.

Written by Adam in Self-Hosted on September 30th, 2023

SSH Into a Debian VM on Proxmox

Find a Debian VM's address, install and verify OpenSSH, connect from another machine, add key authentication, and troubleshoot common failures.

Written by Adam in Proxmox on September 30th, 2023

Host a Luanti VoxeLibre Server on Debian

Install and operate a dedicated Luanti server for VoxeLibre, formerly Minetest and MineClone2, with systemd, backups, firewall rules, and admin basics.

Written by Adam in Gaming on September 30th, 2023

Use I2P Inside Whonix Without Breaking Isolation

A current security-first guide to the Whonix and I2P threat model, safe compartmentalization, official installation path, browser separation, and verification.

Written by Adam in Security on August 28th, 2023

Set Up I2P Email in Thunderbird Safely

Understand what I2P email protects, connect Thunderbird to local I2P mail tunnels, verify ports instead of guessing, and avoid common anonymity mistakes.

Written by Adam in Security on August 25th, 2023

Box Chain: A Privacy-Preserving Delivery Network Concept

A concrete protocol sketch for decentralized package delivery using Nostr identities, Bitcoin payments, selective disclosure, signed custody transfers, and bounded disputes.

Written by Adam in Concepts on July 24th, 2023

Does Redshift Require an Expanding Universe?

A skeptical but evidence-led look at redshift, variable-speed-of-light ideas, zero-point energy, and what an alternative cosmology must explain to rival expansion.

Written by Adam in Science on July 12th, 2023

Metamodernism: A Practical Blueprint for Sincere Creation

Understand metamodernism as an oscillation between modern hope and postmodern critique, then apply it to art, design, politics, technology, and daily work.

Written by Adam in Philosophy on July 9th, 2023

Jean Baudrillard: Simulacra, Hyperreality, and Consumer Life

A clear guide to Baudrillard's ideas about signs, simulation, hyperreality, consumer identity, and why his work remains useful in an algorithmic media culture.

Written by Adam in Philosophy on July 1st, 2023

Add a Synology NFS Share to Proxmox VE

Configure a Synology NFS export as Proxmox storage, choose the right content types, verify the mount, and diagnose permission or timeout failures.

Written by Adam in Proxmox on May 24th, 2023