$ whoami
Hi, I'm Pierre.
Embedded Systems & DevOps Engineer. I write about the things I build and break: CI/CD pipelines and containers on one side; firmware, embedded Linux and the hardware it runs on on the other, plus the infrastructure that keeps it all running.
Infrastructure
Linux servers, Kubernetes and Nomad clusters, Ansible, networking, VPNs and self-hosting.
DevOps
CI/CD pipelines, containers, self-hosted runners, release automation and observability.
Embedded Systems
Firmware, RTOS, embedded Linux, Yocto, bootloaders, drivers and debugging on real hardware.
Latest posts
All posts →- K3s - An Ally For Fast Deployment And Orchestration
K3s introduction and quick setup for orchestration and deployment.
- Infrastructure as code with Ansible: configuring the homelab from one place
Using Ansible to configure the homelab nodes from the admin laptop: an inventory, an encrypted vault for the sudo password, and idempotent playbooks for time synchronization and Docker, all versioned in git.
- Burn multiple ISOs on one thumb drive
Using Ventoy to keep multiple ISOs on a single USB drive, and using it to install Ubuntu Server on the three machines of our first homelab.
- First minimal router: an OpenWrt gateway for the homelab
Turning a TP-Link Archer C7 into the homelab gateway with OpenWrt: an isolated DMZ for the cluster, a wired-only admin network, and all DMZ traffic sent through a WireGuard tunnel to our VPS, with a kill switch.
- First homelab: a first step toward orchestration
Building a small 10-inch rack homelab with three refurbished Lenovo ThinkCentre Tiny PCs, a shared power supply, a switch and a patch panel, ready for our first orchestrated cluster.
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