Ralph's Open Source Blog

Just a short collection of tricks working with Theia IDE.

In this short tutorial I will explain how to deploy Forgejo into a Kubernetes Cluster.

The Internet is broken.

OpenTalk is an open-source video conferencing platform developed in Germany.

WordPress is powerful.

Since July 2025 the old oss repositories (e.g. https://oss.sonatype.org/content/repositories/snapshots) are deprecated and are no longer accessible.

I am developing Java Enterprise applications now for more than 20 years.

In this blog post I explain the setup of a application running on Wildfly 29 using the OIDC authentication mechanism.

During an Upgrade from Wildfly 27.0.1 to Wildfly 29.0.1 I run into a compatibility problem with the GraalVM Script engine which we are using in our Open Source Workflow engine Imixs-Workflow.

In the following I show an example how you can upgrade an old PostgreSQL server to a new Major version running in a Kubernetes cluster.

In this blog post I will try to explain how to replace Jakrata EE EJBs with CDI beans.