Which Kubernetes distribution to choose for on-prem environments?
Most people think that Kubernetes was designed to bring more features and more abstraction layers to cloud environments. Well, I think the biggest benefits c...
openshift
4 ways to manage Kubernetes resources
Kubectl is the new ssh When I started my adventure with linux systems the first tool I had to get to know was ssh. Oh man, what a wonderful and powerful pie...
Why Vault and Kubernetes is the perfect couple
The (not so) secret flaws of Kubernetes Secrets When you’re starting learning and using Kubernetes for the first time you discover that there is this specia...
How to build CI/CD pipelines on Kubernetes
Kubernetes as a standard development platform We started with single, often powerful, machines that hosted many applications. Soon after came virtualization...
10 most important differences between OpenShift and Kubernetes
UPDATED on 10.6.2019 (after the release of OpenShift 4.1): Added information on OpenShift 4. UPDATED on 30.8.2019: Added information on CodeReady Containers...
Jenkins on OpenShift - how to use and customize it in a cloud-native way
I can’t imagine deployment process of any modern application that wouldn’t be orchestrated by some kind of pipeline. It’s also the reason why I got into cont...
Maintaining big Kubernetes environments with factories
People are fascinated by containers, Kubernetes and cloud native approach for different reasons. It could be enhanced security, real portability, greater ext...
Honest review of OpenShift 4
We waited over 7 months for OpenShift Container Platform 4 release. We even got version 4.1 directly because Red Hat decided not to release version 4.0. And ...
How to increase container security with proper images
Security is a major factor when it comes to a decision of whether to invest your precious time and resources in new technology. It’s no different for contain...
Three levels of highly available apps on Kubernetes
Beautiful but useless systems Hundreds of applications, thousands of users and millions of requests - that is often a landscape of modern IT environment. St...
Containers done right - providing configuration
Containers are ephemeral, but almost always require configuration and credentials. They are kept and maintained seperately from application code. This princi...
Why managing container images on OpenShift is better than on Kubernetes
So you’ve decided to go with Kubernetes and started building your container images. Now the question is where to push them and how to manage them properly?
Myths around containers. Part 3: Speed
Containers are considerably faster than virtual machines - at least that’s what most people say. But do they actually bring more speed to overall development...
Myths around containers. Part 2: Portability
Is it true that after so many years we finally have real, portable format for all applications? It seems that we’ve come very close to that goal and it’s tim...
Myths around containers. Part 1: Security
We had many revolutions in IT infrastructure world over past 20 years or so. Virtualization promised hardware abstraction, private cloud promised lower costs...