Tobias Brunner aka tobru
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Tech

Techblogs - All the technical things (in English)

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, über Technik bis

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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 ist eine sehr

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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 with Windows NT

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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 boot the simple

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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 Xperia X with

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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 hardware and the

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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 it, to be

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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 one single website

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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

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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 an overview of

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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 Drupal released version

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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

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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

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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:

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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

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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

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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.

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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

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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

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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

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Tech

Jekyll meets Lychee - A Liquid Tag plugin

A missing piece on my static generated personal website tobru.ch was a nice looking, well integrated photo gallery. Some time ago I came across Lychee, a very nice looking, simple gallery. It

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Tech

Comments for a static website with ISSO

When I created this statically generated blog, I decided to not integrate comments. Mainly because there was no solution which suited my needs: self hosted, small, easy to use, nice look. For my

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Tech

Keep your network clean of DDoS participiants

Some network services are predestinated to be used as DDoS helper: They are UDP based and the response payload is much bigger than the sent request. UDP makes it easy to fake the

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Tech

Secure services with TLS

In my opinion it gets more and more important to secure Internet services using standards like TLS. I try to summarize some things I did in the last few days to have my

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Tech

A short Jolla review including some hints

My Jolla mobile phone arrived short after Christmas 2013. After using it a few days, here is a short review of my experience with it. Introduction: What is "Jolla"? Before I

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