(You can also watch the video) DevOps is a huge area – a mix of technology and culture. So what is required to become a DevOps engineer? What skills are required?In the following parts, I’m going to show you a clear path for DevOps engineers, architects, and experts.I have divided the article into 3 parts: […]
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 fancy cloud services or just simply want to have a choice and build themselves a hybrid solution. There are a couple of products available that I’ve reviewed, but […]
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 can be achieved in on-premise environments, because of the big gap between those environments and the ones that can be easily created in the cloud. This opens up many excellent opportunities […]
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 that draws many people to them is how they reduce the time required to set up a service, or a whole environment, with everything included. It is possible mainly because there are […]
4 ways to manage Kubernetes resources
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 special object called Secret that is designed for storing various kinds of confidential data. However, when you find out it is very similar to ConfigMap object and is not encrypted […]
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, which didn’t actually change a lot from a development perspective but it did for the field of operations. So developers became mad, and that’s when the public cloud emerged to satisfy their needs instead […]
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 for running single OpenShift node. OpenShift has been often called as “Enterprise Kubernetes” by its vendor – Red Hat. In this article, I’m describing real differences between OpenShift and Kubernetes.
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 containers and Kubernetes/OpenShift in the first place – it enforces changes in your approach toward building and deploying but it makes up for with all these nice features that […]
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 extensibility or more resilience. For me personally, and for organizations delivering software products for their customers, there is one reason that is far more important – it’s the speed they can gain. That leads […]