An updated version of Open Monitoring Distribution (OMD) is available at the Bananian site here. They’ve build it for the ARMv7 (BananaPi, Raspberry Pi 2 & 3, OrangePi). I’ve written a complete install manual for version 1.00 which should work for version 1.30 too. Just make sure you use Raspbian Jessie. The related Check_mk_agent files can […]
LoRaWan Gateway – DIY
This post will describe how to build your own LoRaWAN gateway to connect to i.e. The Things Network or other IOT Networks. If you haven’t heard about the LORA technology and TheThingsNetwork and you are interested in Internet of Things, do some googling 😉 You’ve probably found this article because you are looking for a […]
RF 433Mhz to MQTT Gateway
I’ve upgraded my domotica setup with a Philips Hue. Before I switched the lights using a remote control or via Node-Red and using the cheap 433 Mhz wall outlet switches of Elro, Klik Aan/Klik Uit, Action, and so on. Since the install of the Hue I was missing the remote control to easily switch the […]
Login for Node-Red on TheThingBox
Secure your Node-Red install of TheThingBox with a login dialog to prevent unauthorized access.
Mac OS X – write images to SD Card with
Updated 2018: Just download Etcher which works like a charm. Although the below still works! Writing SDCard images using my Macbook took way to long, up to half an hour to write one simple Raspberry Pi image to a SDCard. I just did what many instructions told me to do. You will probably recognize this command: dd if=/path/to/image/file.img of=/dev/disk3 bs=1m […]
Update OMD 1.00 to 1.21 on Raspberry Pi
Today the new Raspberry Pi 2 model B was announced. ARMv7 CPU with 1 Gb of memory. This made me search for OMD (Open Monitoring Distribution) for ARMv7 (Which can be found here). While searching I stumbled upon an update OMD 1.21 for ARMv6 which is the original Raspberry Pi. I have two Pi’s running. […]
Limit SD Card writes on Rasberry Pi usin...
A SD card has a limited amount of writes it can handle. The Raspberry Pi will write to log files a lot and reduce the lifetime of your SD Card. Update 3-2-2016: RamLog seems not to be compatible with Debian Jessie. I haven’t tried it yet but I have found a blog that might offer […]
Raspberry Pi Open Monitoring Distributio...
Post updated 29-11-2019. Checkmk is now owned / created by Tribe29. Check_MK has been renamed to checkmk. I haven’t used checkmk for a while, so the code examples below still contains the old name: Check_MK. Read the manual, google and find out for yourself if the commands are still valid or that you have to […]
Time Machine with Raspberry Pi
Create a Time Machine backup location for you Mac OS X systems using a Raspberry Pi and an USB harddisk. Works like a charm! Setup your Raspberry Pi with Raspbian and connect the USB Harddisk. Login to your RPi and execute the following command: $ sudo fdisk -l Your disk will be one of the /dev/sd* […]