---
title: "Archives — Marcin Jasion"
description: "All blog posts by Marcin Jasion, organized by year. 9 posts since 2020."
canonical: https://mjasion.pl/archives/
---

# Archives

9 posts since 2020.

## 2026 (2 posts)

- 2026-05-25 — [Two Agents, One MCP Server: Using a Second Claude as a Harness for the First](https://mjasion.pl/posts/development/two-agents-one-mcp-harness/) (development)
- 2026-02-25 — [Why I'm Choosing Cloudflare and TanStack for My Side Projects](https://mjasion.pl/posts/development/why-i-chose-cloudflare-and-tanstack/) (development)

## 2023 (1 post)

- 2023-06-25 — [Implementing Leader Election in Golang using Kubernetes API](https://mjasion.pl/posts/kubernetes/implementing-leader-election-in-go-using-kubernetes-api/) (kubernetes)

## 2022 (5 posts)

- 2022-06-29 — [How to setup AWS Site-to-Site VPN with Unifi UDM 🔒](https://mjasion.pl/posts/cloud/how-to-setup-aws-site-to-site-vpn-with-unifi-udm/) (cloud)
- 2022-06-14 — [How to configure parallelism in HCP Terraform](https://mjasion.pl/posts/cloud/how-to-set-parallelism-in-terraform-cloud/) (cloud)
- 2022-06-10 — [How to enable debug and trace logs in HCP Terraform and Terraform Enterprise](https://mjasion.pl/posts/cloud/how-to-enable-debug-in-terraform-cloud/) (cloud)
- 2022-04-25 — [How to debug Istio Upstream Reset 502 UPE (old 503 UC)](https://mjasion.pl/posts/kubernetes/how-to-debug-istio-upstream-reset/) (kubernetes)
- 2022-04-09 — [Deploy your first blockchain contract to Ethereum](https://mjasion.pl/posts/development/first-blockchain-contract/) (development)

## 2020 (1 post)

- 2020-04-17 — [How to label GitLab notification in Gmail by headers?](https://mjasion.pl/posts/development/label-gitlab-notifications/) (development)