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Containerised Home Automation

Whenever I can I’m using containers to deploy software. Wether it is on Intel or ARM systems, I’m using containers. I’m also on the lookout of nice examples that people can relate to. Hass.io is such example. It’s a home automation application with a very active group of developers. They even have containerised the application. It’s […] The post Containerised...

Ansible

If you don’t like to repeat tasks over and over you’ve probably written some scripts to do this for you. Have you considered using Ansible? It is a very powerful alternative to scripting and has a much wider scope of operation. I’m using it a lot to provision Raspberry Pi’s and Docker hosts. It allows […] The post Ansible appeared first on MarCoach.

Workshop “Beginnen met Internet of Things”

Op 20 januari 2017 geeft Manfred van der Voort van ICR3ATE Digital Makers Lab een workshop Internet of Things (IoT) bij Coworkspace Arnhem. Source: Workshop “Beginnen met Internet of Things” Disclaimer: All information posted is written with the upmost care and valid at the time of writing. Changes in versions can supersede the provided information....

RTL_433 to MQTT version 2.0

433,92 Mhz, it’s in the air. This is one of the frequencies that is used for wireless control of lights, blinds, doorlocks, car doors etc. Weather stations can use it transmit readings from an outdoor sensor to an indoor unit and so do many other devices. A good piece of software to receive all these … Continue reading "RTL_433 to MQTT version 2.0"...

Read iOS syslog using Apple Configurator 2

Real time iOS syslog information Like OS X devices iPhones and iPads also provide a lot of useful information via system logging. It is possible to access this information using iTunes, but this information is not real-time. Apple Configurator 2 Apple’s tool to configure iOS devices has a nice feature that will install a command line […] The post Read...

Zombie proces. How to create and demonstrate them

Zombie processes Are not uncommon on a Unix system. In essence a zombie proces is a finished process that still has an entry in the process table with the exit code. They don’t exist in memory anymore and don’t utilise any system resources. As soon as the processes parent requests the exit code from the […] The post Zombie proces. How to create and...

How to publish weather info from RTL_433 to MQTT for Domoticz in a docker container

RTL_433 to MQTT Is a nice peace of software that turns a cheap Realtek SDR into a receiver that will pick up many signals on the 433,92 Mhz frequency. Like I wrote in a previous post I’ve got some equipment that transmits information on this frequency. I share this information on the local network using MQTT. […]The post How to publish weather info...

Use a MQTT broker to share information between devices and Domotica solutions

Domotica A topic that has my interest. I’ve been experimenting with it for several years and haven’t found the perfect solution yet. I’ve tried FHEM, OpenHAB and Domoticz as platforms. The lights are a mixture of Impuls, HomeEasy and Hue devices. They are controlled via different kinds of switches, an RFXtrx transceiver and Apps. The thermostat […]The...

Restore Time Machine backup on ESXi VM

Time Machine Is Apple’s great backup software. When running OS X Server it will backup the services in a proper way allowing you to restore your services when needed. Turning it on is simple and so is restoring a backup. Restoring Time Machine backup bare bone Is normally a matter of booting from a recovery…The post Restore Time Machine backup on ESXi...

Docker host setup

Setting up a docker host This was easy. I started with a bare installation of CentOS 7 and used yum to install Docker. There are many good guides on the internet that will help you to accomplish this. An example is https://docs.docker.com/installation/centos/. Creating containers Not difficult either in my case. They key was to find the…The post Docker...

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