Vladimir Timofeenko's blog

Zero to ESP32 remote control

Mon, 01 Sep 2025 00:00:00 -0800

A learn in public post on building a multi-button remote control with ESP32, esphome and Home Assistant.

Flake-parts: writing custom flake modules

Wed, 01 May 2024 00:00:00 -0800

A primer on writing flake-parts reusable flake modules.

Practical Nix flake anatomy: a guided tour of flake.nix

Sun, 31 Mar 2024 00:00:00 -0800

Overview of the flake.nix file, its components and what they are used for.

My doom-emacs setup

Tue, 20 Dec 2022 00:00:00 -0800

A literate programming Doom emacs setup centered around GTD and Nix development.

Wireguard namespace flake

Wed, 09 Nov 2022 00:00:00 -0800

For a while I have been playing with the idea of running services in Linux namespaces to achieve network isolation from the “host” system on Linux. This project, written in literate programming style, is an Nix-based implementation of a configurable network namespace that uses Wireguard.

Unlocking LUKS2 with X509 Nitrokey during boot

Fri, 09 Jul 2021 00:00:00 +0000

A continuation of previous post with the instruction to unlock encrypted root partition during boot.

Unlocking LUKS2 with X509 certificate on Nitrokey Storage

Mon, 05 Jul 2021 00:00:00 +0000

This post describes the procedure to unlock LUKS2 partition using X509 certificate stored on Nitrokey Storage.

Repository verification for Gentoo overlays

Sun, 06 Jun 2021 00:00:00 +0000

This post describes the steps needed to set up signature verification on a git-based non-official Gentoo ebuild repository.

Migrating from no-multilib profile to multilib one

Fri, 02 Apr 2021 00:00:00 +0000

An outline of a migration of a Gentoo installation from no-multilib profile to a multilib one without a full reinstall.

Mutt-wizard post-install configuration

Tue, 09 Feb 2021 00:00:00 +0000

A few configuration steps after installing mutt-wizard. Includes a couple of patches and general configuration changes.

Creating nginx SSL proxies for services in docker on LAN

Thu, 16 Jul 2020 00:00:00 +0000

This article talks about how one can use nginx to create SSL proxies for docker (and, potentially, other) services running in the local (e.g. home) network. Since the network is a home one, the certificates will be signed by specially created Certificate Authority that will be marked as trusted on the client devices.

Environment #

In this scenario, we will have two machines. A client and a server. The server machine is running one or more Docker containers. These containers expose certain ports to manage or access the services running inside those containers.

Firefox Browserpass with firejail and Apparmor

Fri, 15 May 2020 00:00:00 +0000

This is a guide describing how to set up Firefox with firejail + AppArmor with password management in pass. The passwords are filled in websites forms through Browserpass addon + Browserpass native application.

The setup password store will only contain passwords used by the websites encrypted through a separate key.

CV

Mon, 01 Jan 0001 00:00:00 +0000

Short summary #

Kirkland, WA, USA

GitHub

Personal website

vladimir@vtimofeenko.com

Summary #

I am a software architect with over 10 years of experience, a passion for automation and a career in solution architecture, technical and sales support and system engineering.

I have designed and delivered platforms for cloud services provisioning and billing for telecoms, distributors and MSPs. As a solutions architect and sales engineer I have been responsible for the technical side of the sales process – I perform demonstrations, gather requirements, create solution design documentation and lead the project delivery and post-sale support.

Projects and links