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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 […]

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00 - Cloud-Native App Dev development DevOps Uncategorized

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 - Cloud-Native App Dev cloud computing container Containers development DevOps infrastructure persistent-storage Red Hat Advanced Cluster Management for Kubernetes

OpenShift Local or Single Node OpenShift

Are you a developer or just a curious individual who wants to dip their toes in the Cloud, but are not sure whether to go for OpenShift Local or Single Node OpenShift? You’ve come to the right place. In this article, I will explore the differences and similarities between these two variants of OpenShift, so […]

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00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure Security

You’ve written a Kubernetes-native Application? Here is how OpenShift helps you to run, develop, build and deliver it – securely! (1/4)

This blog kicks off a series of 4 blog articles. They will all be available here, as soon as they get published. Run: Get your Angular, Python or Java Dockerfile ready with Red Hat’s Universal Base Image and deploy with Helm on OpenShift Develop: The Inner Loop with OpenShift Dev Spaces Build: From upstream Tekton […]

Categories
00 - Hybrid Cloud Infrastructure 00 - Open Source Innovation

Cardboard OpenShift cluster

Although OpenShift becomes more and more known, there still are quite some people who are not fully aware about OpenShift and how it works. In addition to the common methods of presentations (“slides on beamers”), there are always opportunities to make software or processes in software more visible and tangible. So we show a slide, […]

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

The importance of getting resource requests and limits right.

Problem Summary At the start of spring 2022, I was asked to assist in untangling a very escalated set of related cases with one of our customers. Their cluster had been experiencing stability issues over a period of several months. Initial analyses by support seemed to suggest resource problems, in particular insufficient memory. There were […]

Categories
00 - Cloud-Native App Dev

Using OpenTracing and Jaeger with Your Own Services/Application

In this blog I will guide you on How to use OpenTracing with a Quarkus application. How to display your OpenTracing information on Jaeger UI. In this blog I will use distributed tracing to instrument my services to gather insights into my service architecture. I am using distributed tracing for monitoring, network profiling, and troubleshooting […]

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

Red Hat Advanced Cluster Security with OpenShift Pipelines and Slack Integration

Summary This article describes the installation of Red Hat Advanced Cluster Security (RHACS) using the Operator. It also covers the integration of Tekton Pipelines for the deployment of two different containers and the configuration of a Slack notification. A special feature here is that the installation and configuration is largely automated by scripts and can […]

Categories
00 - Next-Gen Architecture, Culture & Processes

Security aspects with OpenShift – an overview

Today more than ever availability and performance depend on resilience against increasingly frequent and powerful attacks on the confidentiality, availability and integrity of information and IT systems. It is not just that our systems are being threatened with continuous automated attacks, but also with highly sophisticated approaches, such as Advanced Persistent Threats (APTs), Ransomware, Side […]

Categories
00 - Hybrid Cloud Infrastructure 00 - IT Automation & Management

10 lessons learned while automating elementary container deployment tasks on Linux

Our experiences preparing for a demo at Ansiblefest 2021 Speakers: Karoly “Charlie” Vegh and Robert “Bob” BaumgartnerSupported by: Chris Jung, Phil Griffith, Eric Lavarde, Elle Lathram Introduction and Purpose AnsibleFest is always pretty cool, all new announcements, live demos, roundtable discussions, etc. Bob, being the Kubernetes/Container Architect and my humble self being more a Linux […]

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