The last two days this WordPress site was down several times. I restarted my local server and things started to work but when I checked a couple of hours later the connection was down again. I am using Zerotier to connect the public server to my local machine and indeed Read more…
Installation I haven’t set up a new WordPress instance for quite some time. But lately I wanted to run WordPress on a Rasperry Pi. I used a docker compose file to run all services is one shot with WordPress Mariadb and phpmyadmin. Unfortunately the official mariadb image does not support Read more…
WordPress plugins such as the Simply Static and others have the ability to automatically convert each of the WordPress pages and posts into static HTML files. I tried it in my environment but without any convincing result: When I double checked, the exported pages did still contain URLs which were Read more…
Today I tried to create a Dockerfile for XEUS-Cling in Jupyterlab. The challenge was, that the installation is done with conda which is a little bit tricky to use together with Docker. After some unsuccessful trials, I finally came up with the following working solution: FROM continuumio/miniconda3:4.8.2-alpine MAINTAINER phil schatzmann Read more…
The Banana PI Zero has only 500 MB Ram. Armbian keeps the /tmp directory in a Ram Disk which has only 197884 bytes available: So I ended up with the following errors when I tried to install pyspark, numpy or other bigger libraries: Memory Error [Errno 28] No space left Read more…
I liked the Spec of the Banana PI Zero: With it’s quad-core Cortex-A7 it should have more power then the Raspberry PI Zero – it should just have more memory! It is quite easy to set up a Raspberry PI in a way that it starts and automatically connects to Read more…
The ESP32 can provide the functionality of a Webserver. There are plenty of examples where this functionality is used to provide a GUI to control the Microcontroller or to provide information from it. What all have in common: they is very basic and often plain ugly. Therefore the question is, Read more…
The simplest way to stream music from a Raspberry PI to an external amplifier is to connect the headphone jack to the AUX Input of the amplifier with the help of a corresponding connector cable. From a quality point of view a better approach is to use an external Digital Read more…
I am currently working on a new project which uses Vue.js on the frontend and JAX-RS Webservices implemented in Java in the backend. Both, the frontend and the backend will be deployed with Docker. The solution will need to manage customers, users and provide authentication to protect the web application Read more…
In Docker you expose functionality by specifying a port mapping and then you can address the application on the physical host with the mapped port. I am using Docker quite some time now and this was getting a little bit too tedious because each mapped port needs to be unique Read more…