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00 - IT Automation & Management Datacenter Operations General Linux Security system management systems management

How often do you patch ?

Historically, there have been two schools of thought about patching: Patch as soon as a patch is available to eliminate security risks versus testing the patch extensively before it is applied to production systems ( aka “Never change a running system” ). One of the main reasons why you might feel the need to patch […]

Categories
00 - Cloud-Native App Dev 00 - IT Automation & Management

Deliver: Publish your own Operator with Operator Lifecycle Manager and the OpenShift Operator Catalog (4/4)

In Part 4 of our blog series “You’ve written a Kubernetes-native Application? Here is how OpenShift helps you to run, develop, build and deliver it”, we will explain how to deploy our own operator for our sample app “Local News” to OpenShift. The focus of this article is not so much on the development of […]

Categories
00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure 00 - Industry

Securing the integrity of Software Supply Chains

Overview How can we secure the integrity of our Software Supply Chains and have confidence that our software has not been tampered with and can be traced to its source? Which are the main parts of the software supply chain security? Before explaining how to secure the Software Supply Chain, we need first to understand […]

Categories
00 - Hybrid Cloud Infrastructure

How to install OpenShift Data Foundation (ODF) 4.11 in a disconnected or air-gapped VMware cluster

Estimated reading time: 8 minutes Motivation Red Hat OpenShift Data Foundation (ODF), previously Red Hat OpenShift Container Storage, is a software-defined persistent storage solution for OpenShift Container Platform (OCP) workloads. In this article you’ll learn how to deploy OpenShift Data Foundation using local storage devices on a disconnected VMware cluster. An air-gapped or disconnected network […]

Categories
00 - Hybrid Cloud Infrastructure

The OnPremise Datacenter is dead! Or isn’t it?

When I talk to colleagues, partners and customers in this age there are not a few who say that their company is going “all in” into the cloud. Faster, cheaper, more dynamic. It is just better. Migration to the cloud will take some time but they have started the process and it looks “good”. But […]

Categories
00 - Next-Gen Architecture, Culture & Processes

DevOps Metrics – What are they good for ?

Why do we need DevOps Metrics and what are they good for ?

Categories
00 - Cloud-Native App Dev

Using Quarkus to develop a multiplayer game – Chapter #1 – Initial setup

Quarkus is a fantastic Java runtime environment and framework. Read this article to learn how easy it is to use Quarkus to create the server part of a multi player game (with a JavaScript client, running in a browser). Learn how to easily integrate Apache Kafka, WebSockets, a database, Qute templating for reporting etc. This is part ONE of a multi part article series.

Categories
00 - Cloud-Native App Dev

Develop: The Inner Loop with OpenShift Dev Spaces (2/4)

In Part II of our 4-part blog series “You’ve written a Kubernetes-native Application? Here is how OpenShift helps you to run, develop, build and deliver it”, we will focus on the aspect of developing our application with and directly on OpenShift. In Part I, we’ve introduced our sample application “the Local News Application”, and showed […]

Categories
00 - Hybrid Cloud Infrastructure 00 - Next-Gen Architecture, Culture & Processes Cloud cloud computing cloud management Datacenter Operations

Rise of the Superclouds

It is widely accepted that using a hybrid- and multi-cloud approach is needed to increase flexibility and reduce the dependency on any single vendor. However, most organizations struggle to operate effectively across clouds, with environments often being disconnected silos with varying primitives, APIs, and management tools. Thus, moving workloads and data between clouds, and implementing […]

Categories
00 - Open Source Innovation General open source opensource

OpenSourceSeeds: Solving the world’s problems using open approaches – outside the software domain

In May this year, my colleague Götz Rieger came across a poster in Berlin which piqued our interest: Open source bread? Free (libre) seeds? What is this all about? With German Thanksgiving on Oct. 2nd we want to take the opportunity to learn more about this initiative. To this end, we conducted an email interview […]

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