sysadmin

2025

Migrating my web analytics from Matomo to Umami

22 December 2025·15 on HN

Doing my cloud exit (kind of)

13 June 2025

Moving my personal infrastructure to Kubernetes (single-node k3s)

20 April 2025

Doing in-place, single-node Postgres upgrades with almost no downtime

2 March 2025

2021

How I use Tailscale to connect my devices

12 August 2021

Use netcat when the MySQL client lies to you

19 March 2021

2020

Monitoring with Prometheus

11 March 2020

Using a Hetzner Storage Box as a restic backend for backups

10 March 2020

2019

Object storage: migrating from Wasabi to Scaleway with rclone

20 November 2019

Easy web deployments with Ansistrano

16 September 2019

Migrating Ghost from SQLite to MySQL

14 September 2019

Caching Ghost with Nginx

26 August 2019

Fixing IPv6 on Hetzner Cloud: the story of a lifetime

13 August 2019

How I fixed ZFS data corruption errors on Hetzner Cloud

9 August 2019

Ansible 2.8 + snapcraft: my first big FOSS contribution!

22 May 2019

Elasticsearch 6 shard/replica settings for single-node cluster

25 March 2019

How I did (not) recover from a data loss (featuring ZFS, LXD and PostgreSQL)

17 March 2019

Quick and easy Ansible linting CI pipeline

16 March 2019

How to set up a VPN server using WireGuard (with NAT and IPv6)

27 January 2019

2018

How to configure IPv6 on FreeBSD on an Online.net Dedibox

20 December 2018

How to set a static IPv4 address on a Raspberry Pi using dhcpd

18 December 2018

How to manually install FreeBSD on a remote server (with UFS, ZFS, encryption...)

18 December 2018

How to use encrypted block storage volumes on Hetzner Cloud

10 December 2018

How to measure a Raspberry Pi's temperature and CPU frequency with Telegraf

8 December 2018

How to improve Caddy's HTTPS configuration

18 November 2018

How to enable TLS 1.3 on Nginx

1 November 2018

How to mount a local GlusterFS volume at boot (fstab/systemd fix)

28 October 2018

Terraform: How to enable "Use Origin Cache Headers" on CloudFront

11 September 2018

Automatically build and push Docker images using GitLab CI

7 September 2018

How to setup a Telegram bot for your Drone CI/CD builds

29 August 2018

Host your own CI/CD server with Drone

25 August 2018

How I back up my servers using restic and Wasabi object storage

29 July 2018

Enable DNSSEC support in systemd-resolved

3 June 2018

Moving Mastodon's media files to Wasabi Object Storage

28 May 2018

Install Docker on a ZFS pool

2 April 2018

Setup a ZFS pool on a Hetzner VM running Debian 9

2 April 2018

Monitoring with Telegraf, InfluxDB and Grafana

1 April 2018

Diaspora* in Docker

17 March 2018

Migrating Ghost to Docker

13 March 2018

Migrating Ghost from MySQL to SQLite

12 March 2018

Add comments to your blog with Isso

21 February 2018

Setup a ZFS pool for your LXC containers with LXD

18 February 2018

Setup a network bridge for your LXC containers with lxc-net

16 February 2018

Configure the Unbound plugin for Munin

11 February 2018

How to set up a diaspora* pod on Debian and Ubuntu

10 February 2018

Add a dynamic MOTD to your Linux server

6 February 2018

Do a speedtest from your terminal with speedtest-cli

2 February 2018