0 comments on “How to enter a root shell session to a Container with containerd or CRI-O using ‚runc‘ or ’nsenter‘”

How to enter a root shell session to a Container with containerd or CRI-O using ‚runc‘ or ’nsenter‘

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…

0 comments on “Metricbeat on Kubernetes – Kubernetes Series (11)”

Metricbeat on Kubernetes – Kubernetes Series (11)

Three ways of installing Metricbeat (a performance monitoring solution) on Kubernetes are compared: native vs. helm with set options vs helm with values options. Metricbeat helps us monitoring performance indicators like CPU, Memory, Disk and many more on your Kubernetes nodes. We will show that (and why) installing Metricbeat via helm based on values file is the quickest way of installing Metricbeat. You just need to copy the Metricbeat chart's values file, adapt it to your needs and run a helm command in order to roll out the Metricbeat agent to all nodes of your Kubernetes cluster.

0 comments on “Mesos and Marathon REST API via cURL — A Hello World Example”

Mesos and Marathon REST API via cURL — A Hello World Example

In this hello-world style blog post, we will learn how to create load balanced Docker services in an open source DC/OS & Mesos environment. For that, we will perform Mesos and Marathon REST API calls using simple cURL commands. First, we will…

0 comments on “Angular Universal Docker Example (Angular 4 Universal CLI)”

Angular Universal Docker Example (Angular 4 Universal CLI)

In this previous blog post, I have shown how to dockerize an Angular CLI application using NginX. However, the shown method has worked only for classical, client-side rendered Angular projects. In the current post, we will show an Angular Universal…

0 comments on “Angular Universal CLI – Step-by-Step Example with REST Client”

Angular Universal CLI – Step-by-Step Example with REST Client

This time we will learn how to create a small Angular Universal CLI project that is using the WordPress REST service to retrieve and display the title and content of a WordPress blog post. Angular Universal CLI combines the Universal…

0 comments on “Behavior-Driven Angular – Part 2: Inserting REST Data as „innerHTML“ into a Web Application”

Behavior-Driven Angular – Part 2: Inserting REST Data as „innerHTML“ into a Web Application

Today, we will extend the behavior-driven development example of the previous blog post and add the blog content to the document. Like last time, we will retrieve the HTML content from the WordPress API. Sounds easy, right? We will see that…

0 comments on “Angular 4 Docker Example – for Angular CLI projects”

Angular 4 Docker Example – for Angular CLI projects

Check out a new Angular 4 Docker Example that has also been tested with Angular 6 here. In this Hello-World-like tutorial, we will show how to run Angular 4 applications that have been created with Angular CLI in a Docker container.…

0 comments on “Resolving the VirtualBox code E_FAIL Problem caused by Hyper-V”

Resolving the VirtualBox code E_FAIL Problem caused by Hyper-V

Shoot! The Microsoft update this morning has caused trouble with my VirtualBox installation. Again! This is the second or third time I had to search for my blog post that is describing the resolution in an appendix. Since the number…

0 comments on “Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4”

Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4

In this step-by-step tutorial, we will follow a behavior-driven development approach to create an Angular 4 application from Angular CLI. The hello-world-like application will consume the WordPress REST API and it will display a blog post title. We will create…

0 comments on “JHipster: Exploring and Improving the Spring Boot REST API”

JHipster: Exploring and Improving the Spring Boot REST API

In our last blog post, we have created a simple blog application using JHipster, which is a Yeoman based code generator for Angular and Spring Boot. This time, we will explore and improve the Spring Boot REST API that is generated…