In my previous article, I wrote about Kubernetes certifications and my impressions of them. This time, I’m going to share 10 helpful tips for those who are considering taking any or all of the exams. So let’s cut to the chase. 1. Use techniques to speed up the work It’s number one for obvious reasons. […]
Some people say certificates and exams are not necessary for those who really know their stuff. I will address it later on but I want to start with sharing my experience on Kubernetes certification after I recently passed 5 exams and got awarded with the Kubestronaut title.I decided to share my thoughts and tips on […]
(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: […]
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 […]
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 […]
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 […]
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 piece of software it is! You can not only log in to your servers, copy files, but also create vpns, omit firewalls with SOCKS […]
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 […]
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 […]
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.