May 5, 2020
Recent Posts
June 17, 2019
Single disk to raid1 with LVM on Debian stretch
Recently, I remembered that I have a second disk on my server and missed to use it when installing the system… So I decided to migrate to raid 1 on a single LVM volume group. The best guide I found was, like often, on the ArchLinux wiki. Here’s my guide for Debian stretch. First create a partition on the second disk using fdisk and make it bootable: % fdisk /dev/sdb Welcome to fdisk (util-linux 2. Read More…
May 13, 2019
Kubernetes the self-hosted single node way
For more than ten years, I have a self-hosted server providing common services including mail, dns and http. One of the first architecture of the server was amazing because it was a FreeBSD server with jails on top of zfs. It was the same idea than cgroups, docker and overlayfs before they even exists ! This setup was very fun to maintain, but I had less time to do it, so in 2012 I switched the server to Debian GNU/Linux first with LXC and then to qemu/kvm. Read More…
August 20, 2018
A Makefile for your dockerfiles
I have a git repository containing multiples Dockerfile for images I use in my Kubernetes cluster and I wanted to have a simple way to build, rebuild, run, test and push my images without needing to type weird docker invocations. Also my requirements for the build system where: Able to handle dependencies: if image B depends on image A, build A first. Able to parallelize build when possible: two independent images can be built concurrently Able to rebuild image with --no-cache when packages updates are available. Read More…
August 18, 2015