Co przyniesie rok 2022 dla DevOps
Co to był za rok! Chyba nigdy tyle nie obejrzałem seriali na Netflix siedząc w domu, ale też nigdy nie przeczytałem tak wielu książek. A ilu rzeczy się też n...
kubernetes
Kubernetes for mere mortals
There have been few technologies that have changed the landscape of business and impacted all our daily lives. Of course, the internet is the technology that...
A recipe for a bespoke on-prem Kubernetes cluster
So you want to build yourself a Kubernetes cluster? You have your reasons. Some may want to utilize the hardware they own, some may not fully trust these fan...
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...
How to modify containers without rebuilding their image
Containers are a beautiful piece of technology that ease the development of modern applications and also the maintenance of modern environments. One thing t...
The challenges of multi-cloud environments
When this all IT revolution began, we started with one computer that was the size of a room, then we invented server rooms, we started dividing servers into ...
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...
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...
Why GKE is probably the best Kubernetes service available
So you’ve heard of Kubernetes already and maybe you also tried to deploy it on your on-prem infrastructure or in the cloud. And although deploying an app on ...
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?
Dlaczego utworzyłem kurs Kubernetes po polsku
Udostępniam właśnie pierwsze odcinki mojego kursu z Kubernetes. A tutaj opisuję dlaczego to robię.
Treat your pods according to their needs - three QoS classes in Kubernetes
One of the features that comes with Kubernetes is its ability to scale horizontally services running on it and use available resources more efficiently. I’ve...
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...
10 reasons why Kubernetes has won
We’ve been falling for the containers hype for the past few months and Kubernetes has emerged as a leader among container orchestrator to help build solution...