30 comments on “Linux Root Terminal on vocon Cloud – How to save your Image and re-launch a Container based on that Image”

Linux Root Terminal on vocon Cloud – How to save your Image and re-launch a Container based on that Image

This blog post shows how you can run and manage your Docker images on vocon Cloud Desktop. We will launch an Ubuntu container, install git software as a root user and create and save the resulting Docker image on Docker…

20 comments on “Kubernetes Task: assign a POD to a Node via Node Affinity – Cheat Sheet”

Kubernetes Task: assign a POD to a Node via Node Affinity – Cheat Sheet

Here, we show as shortly as possible how we can place a POD on the controlplane node on killerkoda CKA playground: Task: place a POD on the controlplane POD using Affinity Find documentation: kubernetes.io --> Documentation --> Search "affinity" -->…

23 comments on “How to enter a root shell session to a container without Docker – replace ‚docker exec‘ by ‚runc‘”

How to enter a root shell session to a container without Docker – replace ‚docker exec‘ by ‚runc‘

The latest version of Kubernetes does not support Docker as a container runtime anymore. That is why many Kubernetes administrators have migrated their cluster's container runtime from docker to another container runtime like containerd or cri-o. Or they will do…

17 comments on “WebStorm Cloud Desktop – the Best Javascript IDE in the Browser”

WebStorm Cloud Desktop – the Best Javascript IDE in the Browser

WebStorm Cloud Desktop is now available as an installation-free application that runs in your browser. It provides you with JetBrains' well-known integrated JavaScript development environment with additional CPU and RAM and high internet speed. With the arrival of WebStorm Cloud…

17 comments on “IntelliJ Cloud Desktop – Instant free Remote Session with no Time Limit”

IntelliJ Cloud Desktop – Instant free Remote Session with no Time Limit

IntelliJ Cloud Desktop by vocon IT GmbH is available as a free beta version on https://intellij-frontend.vocon-it.com/. Just register via GitHub or Google, and you are ready to start coding on IntelliJ Cloud Desktop in less than a minute. NEW (2021-11-26):…

17 comments on “Setting a Breakpoint for Debugging Spring Boot CORS Problems in IntelliJ IDEA (Cheat Sheet)”

Setting a Breakpoint for Debugging Spring Boot CORS Problems in IntelliJ IDEA (Cheat Sheet)

Super-short instructions how to place the breakpoint in an IDE in order to debug CORS issues in Spring Boot. The problem with debugging CORS (like any other filter in spring boot security) is, that any request is blocked before they…

0 comments on “WordPress Password Reset through Database Update or WP CLI”

WordPress Password Reset through Database Update or WP CLI

In this post, I have summarized how I have performed a password recovery of a WordPress installation. I have followed the instructions here. I have performed a WordPress password reset via database (Step 1 through 6) as well as a WordPress password…

0 comments on “How to Install OpenShift on Fedora – a Quick Installation Guide”

How to Install OpenShift on Fedora – a Quick Installation Guide

Are you reviewing Docker orchestration systems like Kubernetes, DC/OS or OpenShift? In this blog post, let us learn how to install a standalone OpenShift Origin system on Fedora. OpenShift Installation on Fedora is a tough nut. As an example, read this…

0 comments on “How to get rid of nested Subscriptions using RxJS flatMap and switchMap”

How to get rid of nested Subscriptions using RxJS flatMap and switchMap

"Nested subscriptions are bad programming style". That is, what many programmers tell us. But: how can we get rid of nested subscriptions? In this little step-by-step tutorial, we will demonstrate how to use flatMap to improve an Angular 6 based REST…

0 comments on “The Big Picture – The Overarching Change of Mankind”

The Big Picture – The Overarching Change of Mankind

There are groups of people researching different topics, each one in its own finite space, rarely looking beyond their own subject, but all related to the overarching change we are currently going through. There are people talking about modern, agile…

2 comments on “Consuming a REST Service with Angular 6: a Step-by-step Guide”

Consuming a REST Service with Angular 6: a Step-by-step Guide

REDIRECTED to https://vocon-it.com/2017/06/24/consuming-a-restful-web-service-with-angular/ Angular 6 is available, so it is time to update my original post about how to consume an Angular REST API service in Angular.  We will learn how to implement a fully functional rest service in a single…