I am a HELM lover. At first, I always searched for a helm solution. If I do not find any, I will write them myself. But this time, I found it. Thanks to “Stefan van Gastel” https://github.com/stefanvangastel/vsphere-cpi-csi-helm.git You must download the code to your Bastion host or local PC. git…

First, I want to try to explain some mind-blowing things. If you are new to Rancher, it can be difficult to understand the difference between and purpose of each of these concepts. …

At first, you must understand the differences between Route and Ingress Objects. They are intended to achieve the same aim ultimately. Originally, Kubernetes had no such concept and so OpenShift developed the concept of a Route, along with the bits for providing a load-balancing proxy, etc. In the time it…

There is a project you have to start in a month. You will hire a team leader and you have to select the best one with the features you are looking for from among 500 applicants. You found a new job in another city, so you have to move to…

Albert Einstein who is a mathematician at first before being a physicist. said, “Pure mathematics is, in its way, the poetry of logical ideas”. In the past, education of mathematic and physic was happing in the same departments. Scientists were talking about pure and applied mathematics for centuries. Then, different…

At first, I assume that you know and use docker. Nowadays, Maybe using docker in a production environment is controversial, but it is the best convenient for the development and deployment stages. Meanwhile, in my opinion, Depending on the project, docker is quite successful in production generally., …

In old days, Prior to beginning any project, most development teams go through fevered discussions to decide the best language for their software. Nowadays, most of the time, this discussion boils down to Python and Golang. But software developers today know actually, there is no the best language, there is…

Whatever you are a DevOps engineer or system administrator or Linux administrator and even software engineer, you need to analyze network packets. When we talk about network sniffing, Wireshark is the first thing that comes to mind. But Wireshark requires a graphic user interface (GUI). If you are a system…

You need string manipulation, no matter what you are. You may be a coder in the software team or Linux administrator in the system team or any team member in the DevOps team. Therefore, you must learn string manipulation for different languages. Especially if you are a system/DevOps engineer, probably…