Tech Firmware Update of Dragino LGT-92 GPS Tracker with ST-LINK/V2 How to upgrade a Dragino LGT-92 GPS Tracker with an ST-LINK/V2 under Linux.
Tech LoRaWAN GPS Tracker Dragino LGT-92 and OwnTracks The Dragino LGT-92 LoRaWAN GPS tracker is a very cool Open Source device to do some experiments with LoRaWAN. I always wanted to have a real-life example for LoRaWAN to
Tech Open Source Point of Sales (PoS) with Odoo For events of our local fire fighter department (Feuerwehr Urdorf) I wanted to have a Point of Sales (PoS) system to serve beer and sausage fast. After a good amount of research I settled with Odoo. This blogpost describes the story behind.
Tech Kubernetes on OrangePI ARM64 At the beginning, there was this little idea to have a Kubernetes cluster to take with me to conferences and learn more about the inner workings of Kubernetes. And then,
Tech Digitale Gesellschaft - Winterkongress 2018 Am 24. Februar 2018 fand der erste Winterkongress des Vereins Digitale Gesellschaft im Zentrum Karl der Grosse mitten im Niederdorf in Zürich statt. Die Themen waren breit gefächert: Von Politik,
Tech pylokid - Lodur Hilfsprogramm pylokid, ein Hilfsprogramm zum Umgang mit dem Feuerwehrverwaltungsprogramm Lodur. In meiner Funktion als Fourier in der Feuerwehr Urdorf habe ich unter anderem die Aufgabe, Einsätze im Lodur zu erfassen. Dies
Tech Mailhosting with Hosted Mailcow at Servercow The time has come where I stopped self-hosting E-Mail ever since I own tobru.ch (First registration date: 2001-10-26). It was a long journey: From hosting on an embedded PC
Tech OpenShift oc cluster up as Systemd Service Running a single node OpenShift cluster is very easy with oc cluster up. It's also very easy to run it as system service with persistent configuration, so that on system
Tech Sailfish X - Sony Xperia X This post describes my experience with Sailfish X on a Sony Xperia X Single SIM (F5121). What is Sailfish X? It simply is Sailfish OS adapted to run on the
Tech RuuviTag with C.H.I.P - BLE - Node-RED - InfluxDB and Grafana A few weeks ago I received my RuuviTag. It is a small Bluetooth BLE device which contains a few sensors, including temperature, relative air humidity, air pressure and acceleration. The
Tech KeyBox on OpenShift KeyBox is a web-based SSH console that centrally manages administrative access to systems. I wanted to install KeyBox on OpenShift, so I created a Dockerfile and an OpenShift template for
Tech Moving from Jekyll to Ghost It's that time again: After moving from TYPO3 to Wordpress to Jekyll over the years I'm now moving my website to Ghost and consolidate tobru.ch and tobrunet.ch into
Tech Automate Knot Zonefiles with Gitlab CI and Docker Managing DNS zonefiles just got easier and more robust thanks to Gitlab CI. The presented workflow is based on a Git repository saved in a Gitlab instance and Gitlab CI which runs some scripts in a Docker image. This Docker image contains tools and
Tech Dive into OpenShift v3 This article has originally been written for SysAdvent 2015 Over the last year there has been a lot of buzz around open-source Platform-as-a-Service (PaaS) tools. This blog will give you
Tech Drupal 8 on OpenShift Origin Since a few weeks I'm exploring and learning OpenShift Origin. It's a very interesting technology and also makes me happy to learn new technologies like Docker and Kubernetes. Last week
Tech OpenLDAP Password Policy overlay (ppolicy) OpenLDAP has a dynamically loadable module which can enforce password policies. It allows to define policies for the userPassword attribute. Policies can define the maximum login attempts with the wrong password, maximum age of a password and many more. Here is a short introduction
Tech VPN through HTTPS Proxy with SSH If you are in a situation where you are locked in a network which has all ports closed to the outside, but there is a HTTP(S) proxy available, then you're lucky and can create a VPN easily using some nice tricks. Prerequisites You
Tech GWS - Git Workspace Have you ever used Git submodules? Then you know the pain they bring... If you just want to keep some Git repos together organized, then GWS - Git Workspace is for you! UPDATE: See How VSHN manages Hiera data files for an example use
Tech SwiNOG #27: You have an out-of-band management network, haven't you? bing An alert is coming in, but unfortunately your network is unreachable. What now? How would you fix this problem when you can't access your network? You don't want to go to the datacenter, because you're a RelaxOps (tm)! Good that you are prepared
Tech CASino with Kolab LDAP backend "CASino is an easy to use Single Sign On (SSO) web application written in Ruby" It supports different authentication backends, one of it is LDAP. It works very well with the LDAP backend of Kolab. Just put the following configuration snippet into
Tech Kolab 3 Vagrant box with Puppet provisioning Kolab has released it's first beta of the upcoming version 3.3. To test it on Debian I've created a Vagrantfile and a small Puppet module which provisions Kolab into a Debian VM. It's available on Github. How to use it Make sure you
Tech Squeezebox Dashing widget Displaying Squeezebox "Now Playing" information on a Dashing dashboard is now very easy with my widget, which can be found on gist.github.com. Just type dashing install 9714028 in your dashing root directory, the widget will be installed automatically. Include the
Tech Jekyll git hook for drafts using branches After using Jekyll for quite some time now, I was looking for a way to publish to a draft website before publishing to the live website. As I'm using a git hook to publish my websites (see Why and how I moved from Wordpress
Tech bupper - A bup profile manager bup is a backup tool based on git's packfile format. I use it every day and I'm very happy with it, except it's handling of the commandline task and that there is no way to just do a backup with all needed things (like
