Jan 27, 2021How I work out during the COVID-19 restrictionsI work as a fulltime DevOps consultant and I have been working from home since september last year. That in itself poses no problems — I’m used to WFH and it suit me well. But when the restrictions in my country closed down the fitness center, it hit me hard. …Workout2 min readWorkout2 min read
Jun 3, 2020Tracking time on the command line with Taskwarrior and TimewarriorAs a DevOps consultant I have to track the time I use on a given assignment, to base my invoicing on. Sometimes I only have to sum up the hours used in a month, and invoice based on that, sometimes I have to track time on individual customer projects or…Macos4 min readMacos4 min read
May 6, 2020From zsh to fishMost DevOps engineers go about their day, without worrying too much about what shell they use. And as the default shell for most Unices is Bash, that is what they use. During the 24 years I’ve worked with Linux and other Unices, I also stuck with Bash, without even trying…Unix3 min readUnix3 min read
Jul 23, 2019How to force a certificate rotation with RKE, on a k8s cluster built with Rancher, where the certificates has expired and the Rancher cluster used to built it, has disappearedThe title is quite a mouthful, but I couldn’t figure out a shorter one that would describe what this article is about. But let’s start at the beginning. One of my clients, who is running k8s with Rancher, with 5 active clusters, had an issue with at first one k8s…Docker3 min readDocker3 min read
Jun 28, 20184 x 4 Vejrtrækning4 x 4 vejrtrækning, firkantet vejrtrækning, kasse-vejrtrækning — der findes ikke rigtig en dansk betegnelse for det, og en direkte oversættelse lyder ikke særligt sexet. Og det er er også meget simpelt og ikke særligt sexet, men utroligt effektivt. Der er en grund til at specialsoldater bruger denne vejrtrækningsmetode når…Vejrtrækning2 min readVejrtrækning2 min read
Feb 26, 2018Using Ansible and AWX to deploy VMs on XenserverThis article builds upon my previous one, “Using Ansible to automate VM creation on XenServer.” This time we deploy Ansible AWX (Open Source version of Ansible Tower) to docker via Docker Compose…Docker6 min readDocker6 min read
Feb 25, 2018MeditationI løbet af 2014, 2015 og en del af 2016 var jeg plaget af stress. Det var primært frygt jeg var plaget af, som manifesterede sig I form af stærke smerter I bryst og hals. Nogle gange så slemt, at det eneste jeg kunne gøre var at kravle under dynen…Meditation3 min readMeditation3 min read
Feb 23, 2018Det kolde gysDet kolde gys Jeg var omkring 12–13 år, da jeg for første gang stiftede bekendtskab med det kolde gys. Min klassekammerat, Rasmus, og jeg gik i svømmehallen hver onsdag og det var her jeg for første gang oplevede intens kulde direkte på kroppen; vi hoppede i et kar med iskoldt…Kuldeterapi3 min readKuldeterapi3 min read
Nov 30, 2017Using Ansible to automate VM creation on XenServerI’ve been using Xenserver at Fab:IT for the last 8 or 9 years, and during that time, I’ve automated the installation of, mostly Debian and Ubuntu, VM’s in several ways. The most successful way, was a shell script with certain sane defaults built in, combined with preseed files for the…DevOps3 min readDevOps3 min read
