Building Ansible Operators 1-2-3
Overview In this article we will go step by step to build a Kubernetes Operator using Ansible and the Operator Framework. Operators provide the ability to no...
Posts by Category
- OpenShift 33
- OpenStack 30
- Temporal 16
- CloudForms 7
- Ansible 7
- General 6
- RHEV 6
- Containers 5
- Cloud 4
- Satellite 3
- KVM 2
- Storage 2
- code 2
- Linux 2
- RHEL 1
- Clustering 1
- Azure 1
- Ceph 1
- RHV 1
- cloud-native 1
OpenShift
OpenShift Service Mesh Getting Started Guide
Overview In this article we will explore the OpenShift Service Mesh and deploy a demo application to better understand the various concepts. First you...
OpenShift 4 AWS IPI Installation Getting Started Guide
Happy new year as this will be the first post of 2021! 2020 was obviously a challenging year, my hope is I will have more time to devote to blogging in 20...
OpenShift Operator SDK: Ansible Getting Started Guide Part III
Overview In this article we will provide a hands-on guide to building your very first operator in Ansible. Using the Operator SDK we will learn how to creat...
OpenShift Operator Lifecycle Management Guide: Integrating Operators in OLM Part IV
Overview In this article we will provide a hands-on guide to integrating your already built Operator with the Operator Lifecycle Manager (OLM). Using the Op...
OpenShift Operator Getting Started Part I
Overview In this article we will introduce the concept of Operators, the Operator Framework and Operator Lifecycle Management. This article is part of a ser...
OpenShift Application Certificate Management with Let’s Encrypt
Overview In this short article we will look at a solution for application certificates in OpenShift. Let's Encrypt is a non-profit certificate authority and...
OpenStack 16 (Train) Lab Installation and Configuration Guide for Hetzner Root Servers
Overview In this article we will focus on installing and configuring OpenStack Train using RDO and the packstack installer. RDO is a community platform aro...
OpenShift Operator SDK: Go Getting Started Guide Part II
Overview In this article we will provide a hands-on guide to building your very first operator in Go. Using the Operator SDK we will learn how to create boi...
Getting Started with Volume Snapshots in OpenShift 4 and OpenShift Container Storage
Overview Volume snapshots are the ability to create snapshots of persistent volumes in kubernetes using the container storage interface (csi) driver. The cs...
Automated Infrastructure in the On-Premise Datacenter - OpenShift 4.2 on OpenStack 15 (Stein)
Overview In this article we start a new journey, automated infrastructure in the on-premise datacenter. We will deploy OpenShift 4.2 on OpenStack. As I am ...
Container Native Virtualization (Kubevirt): The Future for Virtual Machines is Here!
Overview Immediately after Solomon Hykes first showed Docker to the public at PyCon in 2013, in his now famous "docker run demo", IT folk started asking, wh...
It’s a PaaS: Vanilla Kubernetes vs OpenShift on OpenStack Lab Setup Guide
Overview Often a lot of people seem to confuse Kubernetes with OpenShift or a platform-as-a-service (PaaS). Kubernetes is of course on it's own, not. It i...
Getting Started with Machine Learning
source: https://news.sophos.com/en-us/2017/07/24/5-questions-to-ask-about-machine-learning/ Overview In this article we will dive into machine learning. We ...
OpenShift: Getting Started with the Service Broker
Overview In this article we will look at the OpenShift service broker, understand how to integrate external services into OpenShift and even create a custom...
Disaster Recovery with Containers? You Bet!
Overview In this article we will discuss the benefits containers bring to business continuance, reveal concepts for applying containers to disaster recovery...
OpenShift on OpenStack 1-2-3: Bringing IaaS and PaaS Together
Overview In this article we will explore why you should consider tackling IaaS and PaaS together. Many organizations gave up on OpenStack during it's hype p...
OpenShift: Accessing External Services using Egress Router
Overview Egress traffic is traffic going from OpenShift pods to external systems, outside of OpenShift. There are two main options for enabling egress traff...
OpenShift 3.6 Fast Track: Everything You Need, Nothing You Don’t
Overview OpenShift Container Platform 3.6 went GA on August 9, 2017. You can read more about the release and new features here. In this article we will setu...
Storage for Containers Using Ceph RBD - Part IV
Overview In this article we will look at how to integrate Ceph RBD (Rados Block Device) with Kubernetes and OpenShift. Ceph is of course a scale-out softwar...
Storage for Containers using NetApp SolidFire– Part VI
Overview In this article we will look at how you can configure and dynamically provision NetApp SolidFire Storage for containerized applications in a Kubern...
Storage for Containers using NetApp ONTAP NAS – Part V
Overview In this article we will look at how you can configure and dynamically provision ONTAP NAS Storage for containerized applications in a Kubernetes/Op...
Storage for Containers using Container Native Storage – Part III
Overview In this article we will focus on a new area of storage for containers called Container Native Storage. This article is a collaboration between Dani...
Storage for Containers using Gluster – Part II
Overview This article is a collaboration between Daniel Messer (Technical Marketing Manager Storage @RedHat) and Keith Tenzer (Solutions Architect @RedHat)....
OpenShift Enterprise 3.4: all-in-one Lab Environment
Overview In this article we will setup a OpenShift Enterprise 3.4 all-in-one configuration. OpenShift has several different roles: masters, nodes, etcd and ...
Storage for Containers Overview - Part I
Overview This is a six part series dedicated to container storage. The article series is a collaboration between Daniel Messer (Technical Marketing Manager ...
Deploying OpenShift Enterprise from Ansible Tower
Overview In this article we will look at how to use Ansible Tower to deploy and manage OpenShift environments. OpenShift of course uses Ansible as its dep...
OpenShift Enterprise 3.3: all-in-one Lab Environment with Jenkins Build Pipeline
Overview In this article we will setup a OpenShift Enterprise 3.3 all-in-one configuration. We will also configure OpenShift router, registry, aggregate log...
Enterprise Container Platform in the Cloud: OpenShift on Azure secured by Azure AD
Overview This article is a collaboration from Rolf Masuch (Microsoft) and Keith Tenzer (Red Hat). It is based on our work together in the field with enter...
OpenShift v3: Basic Release Deployment Scenarios
source: http://snsoftwarelabs.com/ Overview One of the hardest things companies struggle with today is release management. Of course many methodologies and ...
OpenShift Enterprise 3.1 Lab Setup
Overview OpenShift Enterprise is a PaaS platform that enables digital transformation. It lets you build and run traditional (mode 1) as well as cloud-native...
OpenShift v3: Unlocking the Power of Persistent Storage
Overview In this article we will discuss and implement persistent storage in OpenShift v3. If you are new to OpenShift v3 you should first read the OpenShift...
OpenShift Enterprise v3 Lab Configuration: Innovate Faster, Deliver Sooner
Overview OpenShift Enterprise v3 by Red Hat is about building and running next-gen applications. If we look around, we have seen startups in virtually every...
OpenStack
OpenStack 15 (Stein) Lab Installation and Configuration Guide for Hetzner Root Servers
Overview In this article we will focus on installing and configuring OpenStack Stein using RDO and the packstack installer. RDO is a community platform aro...
OpenStack 14 (Rocky) Lab Installation and Configuration Guide for Hetzner Root Servers
Overview In this article we will focus on installing and configuring OpenStack Rocky using RDO and the packstack installer. RDO is a community platform aro...
OpenStack 13 (Queens) Lab Installation and Configuration Guide for Hetzner Root Servers
Overview In this article we will focus on installing and configuring OpenStack Queens using RDO and the packstack installer. RDO is a community platform ar...
OpenStack 12 (Pike) Lab Installation and Configuration Guide with Hetzner Root Servers
Overview In this article we will focus on installing and configuring OpenStack Pike using RDO and the packstack installer. RDO is a community platform arou...
OpenStack 11 (Ocata) Lab Installation and Configuration Guide
Overview In this article we will focus on installing and configuring OpenStack Ocata using RDO and the packstack installer. RDO is a community platform arou...
Explaining OpenStack Cinder Types and Scheduler
Overview OpenStack Cinder is responsible for handling block storage in the context of OpenStack. Cinder provides a standard API and interface that allows st...
Red Hat OpenStack Platform 10 (Newton) Installation and Configuration Guide
Overview In this article we will setup an OpenStack environment based off Newton using the Red Hat OpenStack Platform. OpenStack is OpenStack but every dist...
OpenStack Swift Integration with Ceph
Overview In this article we will configure OpenStack Swift to use Ceph as a storage backend. Object of cloud storage is one of the main services provided by...
OpenStack Manila Integration with Ceph
Overview In this article we will configure OpenStack Manila using CephFS as a storage backend. OpenStack Manila is an OpenStack project providing file servi...
OpenStack 10 (Newton) Lab Installation and Configuration Guide
Overview In this article we will focus on installing and configuring OpenStack Newton using RDO and the packstack installer. RDO is a community platform aro...
OpenStack: Integrating Ceph as Storage Backend
Overview In this article we will discuss why Ceph is Perfect fit for OpenStack. We will see how to integrate three prominent OpenStack use cases with Ceph: ...
OpenStack Mitaka Lab Installation and Configuration Guide
Overview In this article we will focus on installing and configuring OpenStack Mitaka using RDO and the packstack installer. RDO is a community platform aro...
OpenShift Enterprise 3.2: all-in-one Lab Environment
Overview In this article we will setup a OpenShift Enterprise 3.2 all-in-one configuration. We will also setup the integration with CloudForms that allows a...
OpenStack Networking 101 for non-Network engineers
Overview In this article we will take a deeper look into OpenStack networking and try to understand general networking concepts . We will look at how variou...
Red Hat OpenStack Platform 8 Lab Configuration using OpenStack Director
Overview In this article we will look at how to deploy Red Hat OpenStack Platform 8 (Liberty) using Red Hat OpenStack Director. In a previous article we loo...
OpenStack Neutron: Configuring L3 HA
Overview In this article we will look at how to setup L3 HA in OpenStack Neutron. OpenStack networking can be rather complex, certainly when coming from a t...
OpenStack Keystone: Integrating LDAP with IPA
Overview Keystone is the identity service in OpenStack responsible for authentication of users and services. Keystone leverages tokens which are transient i...
OpenStack Liberty Lab Installation and Configuration Guide
Overview In this article we will focus on installing and configuring OpenStack Liberty using RDO and the packstack installer. RDO is a community platform ar...
Advanced Deployment with TripleO and OpenStack Director
Overview In this article we will look at some advanced deployment scenarios using TripleO and the OpenStack Director. This article builds on a previous arti...
HOWTO: OpenStack Deployment using TripleO and the Red Hat OpenStack Director
Overview In this article we will look at how to deploy an OpenStack cloud using TripleO, the upstream project from the Red Hat OpenStack Director. Regardles...
Auto Scaling Applications with OpenStack Heat
Overview In this article we will look at how to build a auto scaling application in OpenStack using Heat. This article builds on the following previous arti...
OpenStack Tips and Tricks
Overview In this article we will look at some common OpenStack Kilo configuration optimizations and other tricks. This is by no means a comprehensive guide,...
Auto Scaling Instances with OpenStack
Overview Intelligently and automatically scaling applications based on resource requirements is at the heart of the OpenStack value proposition. It is one o...
OpenStack Kilo Lab Installation and Configuration Guide
Overview In this article we will focus on installing and configuring OpenStack Kilo using RDO and the packstack installer. RDO is a community platform aroun...
Enterprise OpenStack: RHEL OSP
Overview As of today there are over eleven OpenStack services and more are coming. Each service has complete isolation from other services and that allows Op...
Building Custom Dashboards in OpenStack Horizon
Overview Horizon is an OpenStack project responsible for providing a dashboard. It brings together all OpenStack projects in a single-pane-of-glass. The belo...
OpenStack Multiple Node Configurations
Node Types OpenStack can be deployed in a single-node or multi-node configuration. For the purpose of this post I am going to assume you understand OpenStack...
Building Storage Services in OpenStack on NetApp - Part III of III
Welcome to part three of the three-part series on creating storage services in OpenStack on NetApp. In this post we will look at how to configure storage ser...
Building Storage Services in OpenStack on NetApp - Part II of III
Welcome to part two of the three-part series on creating storage services in OpenStack on NetApp. In this post we will look at how to configure NetApp storag...
Building Storage Services in OpenStack on NetApp - Part I of III
Welcome to part one of the three-part series on creating storage services in OpenStack on NetApp. In this post we will give a brief overview of OpenStack, di...
Temporal
Mutating Temporal Workflows with Update
Overview Temporal has just released a brand new primitive into it’s programming model called Update! As of the writing of this article, Update is in private...
Temporal Worker Versioning
Overview In this article we will cover the new feature, Worker Versioning. First, as of the writing of this article, Worker Versioning is in private beta an...
Temporal Cloud Certificate Rotation
Overview In this article we will look at how to rotate certificates in Temporal cloud. There are two possible certificate rotation scenarios. Scenario 1:...
Temporal Fundamentals Part I: Basics
Overview This is a five part series focused on Temporal fundamentals. It represents, in my words, what I have learned along the way and what I would’ve like...
Deploying Temporal Workers on Kubernetes
Overview In this article we will show how to bootstrap a Temporal worker on Kubernetes. The Temporal worker is a service built using the Temporal SDK that e...
Using Temporal Cloud with AWS Certificate Manager
Overview Temporal Cloud uses mTLS for authenticating a client (Temporal SDK) against a Namespace. There are of course, many certificate management solutions...
Temporal Time Traveling: Replay
Overview In this article we will discuss one of the resilience features of Temporal called replay. Temporal replay refers to the process of re-executing a w...
Altered Futures: Temporal Workflow Versioning
Overview In this article we will discuss Temporal workflow versioning. Since workflows can run a really long time or even indefinitely, versioning of workfl...
Demystify the Temporal Data Converter and Codec Server
Overview In this article we will provide a step-by-step guide for successfully configuring the Temporal Data Converter and Codec Server. Many Temporal Cloud...
Temporal Schedules
Overview In this article we will introduce the new scheduler feature that ships with Temporal v1.18.0. Scheduling is a critical part of many workflow lifecy...
Temporal Cloud Observability
Overview In this article we will show how setup and configure Temporal cloud observability. The Temporal cloud exposes metrics through a prometheus query en...
Temporal Advanced Visibility
Overview In this article we will show how to use Temporal advanced visibility. In Temporal you can have many, many workflows, billions in fact. Being able t...
Temporal Cloud 1-2-3
Overview In this article we will walk through the easy steps to getting you started with the Temporal Cloud and well on your way to building durable, fault-...
Replay of Replay
Overview Temporal just completed it’s inaugural user conference called Replay in Seattle. As such I wanted to do a quick replay of Replay. First, why Dinosa...
Temporal Getting Started Guide
Overview In this article we will walk through setup of a development environment for Temporal. There are of course, several ways you can run the Temporal se...
My First Day at Temporal
Overview Today is my first day at temporal and with that I wanted to share some thoughts around my decision, why Temporal and my experience thus far. As you...
CloudForms
Security and Vulnerability Scanning of Container Images
Overview In this article we will focus on security and vulnerability strategies for scanning container images. I know, in the past security was always viewe...
OpenShift Showback Reporting using CloudForms
Overview One of the most important capabilities of any platform in today's service driven, pay-as-you-go economy is metering and showback. Without a soli...
CloudForms Installation and Configuration Guide for Red Hat Virtualization
Overview In this article we will deploy CloudForms 4.2 on Red Hat Enterprise Virtualization (RHV). We will also show how to configure CloudForms in order to...
Deploying CloudForms in the Azure Cloud
Overview In this article we will deploy the CloudForms appliance in the Azure cloud. CloudForms is a cloud management platform based on the opensource proje...
Detecting Security Vulnerabilities in Docker Container Images
Overview Containers, especially Docker container images have been on fire of late and it is simple to understand why? Docker container images give your deve...
Governing the Cloud with CloudForms
Overview In a previous article it was stated that cloud in not a technology but rather an architectural methodology of resource governance that utilizes unde...
Red Hat CloudForms Overview and Setup
Overview CloudForms is an upper-layer management abstraction that allows an organization to manage private, public and virtual infrastructure seamlessly from...
Ansible
Windows Automation with Ansible: Getting Started Guide
Overview In this article we will focus on how to get started with automation of windows using Ansible. Specifically we will look at installing 3rd party sof...
Automation on the Edge - Ansible Tower with Isolated Nodes
Overview In this article we will look at providing an automation platform for edge computing. Generally I would say edge computing is about moving data-hand...
Ansible Tower Cluster Configuration Guide
Overview In this article we will setup and configure an Ansible Tower cluster on Red Hat Enterprise Linux (RHEL). If you are interested in a single all-in-o...
Ansible Getting Started Guide
Overview Automation is one of the most critical areas of improvement in most organizations. Today, most companies are in the process or re-inventing themsel...
Ansible Tower Installation and Configuration Guide
Overview In this article we will setup and configure Ansible Tower on Red Hat Enterprise Linux (RHEL). By now unless you are hiding under a rock, you have h...
Ansible Tower and Satellite: End to End Automation for the Enterprise
Overview In this article we will look at how Ansible Tower and Red Hat Satellite 6 integrate with one another, providing end-to-end automation for the enter...
OpenStack Heat and Ansible - Automation Born in the Cloud
Overview In this article we will look at how Ansible can be leveraged within OpenStack to provide enhanced capabilities around software deployment. Before w...
General
Red Hat Subscription Reporting Guide
source: https://www.cio.com/article/3199910/zuora-blazes-a-new-trail-to-the-subscription-economy-and-a-post-erp-world.html Overview This article will look a...
The Great Human Experiment: Global Disconnection from Coronavirus
source: https://starwars.fandom.com/wiki/Shaak_Ti Cornavirus has arrived at the global level, it is likely only a matter of time before it is declared a wor...
My Mentor and Friend Andi Neeb
Andi Presenting at Ansible Roadshow in June 2019 Andi and I in the lounge on our way back from a sales kickoff in 2016 It has been a few weeks since I lear...
2015 in review
The WordPress.com stats helper monkeys prepared a 2015 annual report for this blog. Here's an excerpt: The concert hall at the Sydney Opera House holds 2,70...
To cloud or not to cloud…that is the question
Iceland - has possibly the cheapest, most reliable energy source in the world and as such is not a bad place to build a cloud. Attempting to understand clo...
The meaning of “midnight code junkie”
There is something romantic about coding, the flickering of the monitor, your ideas coming to life, no rules and in the darkness of night when your are too t...
RHEV
RHV 4.1 Lab Installation and Configuration Guide
Overview In this article we will setup a Red Hat Enterprise Virtualization (RHV) environment. RHV is based on upstream opensource projects KVM and Ovirt. RH...
Red Hat Enterprise Virtualization (RHEV) - Management Options
Overview RHEV has two separate distinct layers, the hypervisor itself and management. The hypervisor layer, RHEV-H is of course built on Red Hat Enterprise ...
Red Hat Enterprise Virtualization (RHEV) - Hypervisor Host Options
Overview Red Hat Enterprise Virtualization (RHEV) has two options for running a hypervisor host: 1) use the RHEV-H host 2) use Red Hat Enterprise Linux 6 or ...
RHEV - Importing OVA Templates
Overview Virtual machine disk images are specific to hypervisors and each hypervisor has its own format. Open Virtual Format (OVF) is a packaging standard de...
Red Hat Enterprise Virtualization Management (RHEV-M) - Overview, APIs and Code Examples
Overview Red Hat Enterprise Virtualization has two main components: RHEV-H and RHEV-M. In this post we will be focusing on RHEV-M which provides a REST API a...
Red Hat Enterprise Virtualization (RHEV) Home Lab Configuration
Overview This post will cover installing Red Hat Enterprise Virtualization (RHEV) on an Intel NUC for the purpose of a lab environment. RHEV has two main com...
Containers
Containers in Large IT Enterprises
Overview As this will be the last article of 2017 I wanted to do something different and get away from my typical how-to guides (rest assured I will continu...
Application Containers: Kubernetes and Docker from Scratch
Overview In this article we will look at how to configure a Kubernetes cluster using the Docker container format on CentOS or RHEL 7.1. For a detailed overvi...
Application Containers: A Practical HowTo Guide
Overview We have by now all heard plenty about Linux containers and for good reason. Containers change the way applications are operated and allow us to depl...
Kubernetes Container Orchestration through Java APIs
Overview In this article we will look at how to drive Kubernetes using Java APIs. More general information about Kubernetes and containers can be found here....
Containers at Scale with Kubernetes on OpenStack
Overview Containers are a burning hot topic right now. Several open source technologies have come together to allow containers to be operated at scale and in...
Cloud
How to Create a RHEL 8 Image for Hetzner Root Servers
Overview In this article I will explain how to create your own custom RHEL 8 image for hetzner root servers. Hetzner offers new and used physical servers on...
Building A Niche Cloud: A Pragmatic Approach
source: https://innolectinc.com/how-smart-is-your-team/teamwork-ants-building-a-house/ Part I: Birth of the Niche Cloud? Part II: Building a Niche Cloud: A...
The Birth of the Niche Cloud?
source: https://en.wikipedia.org/wiki/Ecological_niche Part I: Birth of the Niche Cloud? Part II: Building a Niche Cloud: A Pragmatic Approach Overview In...
AWS Security Lessons Learned
My Story Once upon a time not too long ago, I had a project to transport data in and out of S3 using Java. Things started off rather smoothly. Within about 3...
Satellite
Satellite on OpenStack 1-2-3: Systems Management in the Cloud
Overview In this article we will explore an important part of day 2 operations in OpenStack or any IaaS, systems management. There are two ways to maintain...
Cloud Systems Management: Satellite 6.2 Getting Started Guide
Overview In this article we will look at how to install Satellite 6.2 and configure a base environment. This article builds on a similar article I published...
Cloud Systems Management: Satellite 6.1 Getting Started Guide
Overview Satellite is responsible for system and configuration management. Satellite 6 offers a new architecture based off best-of-breed opensource projects...
KVM
KVM Development Guide
Overview This guide will go through how to configure your Java development environment, connect to KVM and provide some Java code examples for interfacing wi...
KVM Installation and Configuration
Overview KVM (Kernel Virtual Machine) is a Linux kernel module that allows a user space process to utilize hardware virtualization capabilities. When people...
Storage
Ceph 1.3 Lab Installation and Configuration Guide
Overview In this article we will setup a Ceph 1.3 cluster for purpose of learning or a lab environment. Ceph Lab Environment For this environment you...
Ceph: the future of Storage
Overview Since joining Red Hat in 2015, I have intentionally stayed away from the topic of storage. My background is storage but I wanted to do something el...
code
CI/CD with Ansible Tower and GitHub
Overview Over the last few years CI/CD (Continuous Integration/Continuous Deployment) thanks to new technologies has become a lot easier. It should no longe...
Powerful but Simple CI/CD with Azure DevOps and Go
Overview Microsoft has wasted little time getting value out of their GitHub acquisition. They have now fully integrated GitHub and authentication into an al...
Linux
Blog with Gitops Practices and GitHub
Overview Want to build your brand, while living the gitops revolution and not paying anything for it? That is exactly what this article will walk you through...
The Fedora Workstation Experience
Overview A lot of people always ask me what is the best way to contribute to opensource? Of course contributing code, documentation, spreading the gospel or...
RHEL
Rename network interfaces in RHEL 7
Overview RHEL 7 has a new feature called "consistent network device naming". The idea is to regardless of NIC hardware have consistent interface names and no...
Clustering
Pacemaker - The Open Source, High Availability Cluster
Overview Pacemaker is a Open Source, High Availability cluster. Pacemaker and in general Linux clustering have been around for a very long time. Both matured...
Azure
Enterprise Container Platform in the Cloud: OpenShift on Azure secured by Azure AD
Overview This article is a collaboration from Rolf Masuch (Microsoft) and Keith Tenzer (Red Hat). It is based on our work together in the field with enter...
Ceph
Red Hat Ceph Storage 2.0 Lab + Object Storage Configuration Guide
Overview Ceph has become the defacto standard for software-defined storage. Ceph is 100% opensource, built on open standards and as such is offered by many ...
RHV
Keep Your Servers and Run Your Applications Forever with Red Hat Virtualization powered by KVM
Overview This article was written by myself and fellow colleague Götz Rieger. Often one of the most challenging problems we are facing today is both absorbi...
cloud-native
The Coffee is Getting Cold, It’s Time to GO - Getting Started Building Microservices
Overview Java has been around a really, really long time. Certainly it continues to evolve and has evolved. Java has always been a "can do anything" program...