Docker creates automatically 3 networks as follows. $ docker network ls NETWORK ID NAME …
[Docker] – Understanding Docker Images
They are nothing more than a text file called Dockerfile with the instructions which are required to build a container. Then,…
Understanding containers in 15 minutes
We will use here the Docker containers as an example. However, beware that it is NOT the only existent solution…
Getting started with Golang Operators by using Operator SDK
I’d like to share the post blog written in the RedHat developer blogs over this subject. It is great for…
[MacOsX] – How to install Prometheus, Grafana, and AlertManager in Minikube?
Pre-requirements: Have the Minikube installed and working already. See the post How to install Minikube with UI in the MacOsX?…
[Solved] – Unable to install Minishift with the latest version of docker-machine-driver-xhyve
If you are doing the following steps: Following the Minishift doc to install Minishift with this drive Then, running brew install docker-machine-driver-xhyve Then,…
PostgreSQL Operator released by Dev4Devs
The PostgreSQL Operator is now available in the https://operatorhub.io and in a good state for you. Note that it was NOT just…
Using OperatorHub.io catalogue locally with Minikube
The goal of this post is to be a quick start for you install in your Minikube and/or Kubernetes cluster…
How to install Minikube with UI in the MacOsX?
You may face issues when you try to follow up the official documentation because by default it will try o use VirtualBox then…
[Ansible] – How to create an Ubi/rhel7 image with ansible and python3?
Following an example over how to install ansible with python3 in a centos/rhel7 docker image. FROM registry.access.redhat.com/ubi7/ubi … RUN mkdir…
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