Janik Vonrotz

2021 Book List

In 2021 I read 20 books. Some of them were good and some bad. Out of these books only two stuck with me: Ilium by Dan Simmons and Flowers for Algernon by Daniel Keyes.

Ilium is a must read for every fantasy and/or science fiction fan. It does not attract by a catchy story or using smart concept. The sheer unlimited creativeness gets one hooked on the book. Currently I am finishing the second book and it has been on of the largest I read in a while.

Flowers for Algernon is my definition of literature. Daniel writes about intelligence in a way that makes it much more understanding and compelling.

And here is the full 2021 book list:

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Git Cheat Sheet

A simple git cheat sheet.

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Odoo Development: Set attributes conditionally

Attributes such as invisible can be set on fields, widgets and buttons based on a condition. By using the attrs attribute the field and condition can be passed to the element. Here is an example: attrs="{'invisible': [('active', '=', True)]}".

But how do we achive this for tree elements where attrs is not available?

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Am Gericht: Waschplan

Ein 30-jähriger Softwareentwickler ignoriert den Waschplan im Wohnhaus und wird in eine Diskussion über Moral und Anstand verwickelt.

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Understand Git

Everybody who works with a computer must understand the basics of git and how to collaborate with git.

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Nginx, Loki, Promtail and Grafana

Hey devops engineer, you don’t need Logtail, Sentry, Datadog or any other SaaS/PaaS service to manage your logs. Collecting and analyzing log files is super easy with the LPG-stack. Another acronym that stands for Loki, Promtail and Grafana.

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Zweifel / Doubt

Der Zweifel war vor langer Zeit eine Sünde. Heute ist er in jedem Gedanken.
Doubt was a sin long ago. Today it is in every thought.

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Obsidian and Vuepress: include markdown files

I am using Obisidan to manage markdown files and Vuepress to publish them. With the help of a script build.js the Obsidian vault is converted into a publishable format for Vuepress. Obsidian supports embeding markdown files using the ![](file.md) syntax. Here I’ll show you how this feature can be enabled for Vuepress.

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Weder Freiheit noch Trychler

Für einmal wird es politisch auf meinem Tech-Blog. Es geht um die Freiheitstrychler. Das ist eine scheinbar harmlose Gruppierung von radikalisierten Massnahmengegnern - sie sind mir seit deren Gründung ein Dorn im Auge. Wer das aus der Zukunft liest: Kontext ist die Corona-Pandemie, die zu diesem Zeitpunkt in der Schweiz leider nicht überwunden ist.

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Ansible: Combine group and host vars

In Ansible the configuration parameters are usually separated into two categories: host and group vars. As their names say these are variables that are either applied to a specific host or a group of hosts. And here is already an edge case. What if we want to configure a variable for group, but then also give the possibility to modify for a specific host. Read on to see my solution.

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