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Batur Orkun
Batur Orkun

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May 14

Advanced Use of Arrays in Shell Scripts

If any coder does not worship the arrays, it is probably not a good one. :) Bash is a shell programming language, so you need arrays while coding Bash. In this article, I’ll briefly introduce array logic in bash scripts. …

Bash

4 min read

Advanced Use of Arrays in Shell Scripts
Advanced Use of Arrays in Shell Scripts
Bash

4 min read


Apr 22

Adding vSphere/vSAN Storage Class to Kubernetes

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…

Kubernetes

5 min read

Adding vSphere/vSAN Storage Class to Kubernetes
Adding vSphere/vSAN Storage Class to Kubernetes
Kubernetes

5 min read


Apr 13, 2022

HA Kubernetes RKE2 with Kube-VIP and Rancher

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. …

Rancher

7 min read

HA Kubernetes RKE2 with Kube-VIP and Rancher
HA Kubernetes RKE2 with Kube-VIP and Rancher
Rancher

7 min read


Apr 9, 2022

Creating HTTPS/TLS Route by HELM inOpenshift/OCP

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…

Openshift

2 min read

Openshift

2 min read


Feb 21, 2021

Optimal Stopping Algorithm

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…

Optimal Stopping

5 min read

Optimal Stopping Algorithm
Optimal Stopping Algorithm
Optimal Stopping

5 min read


Feb 13, 2021

Mathematics and Algorithms

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…

Math

5 min read

Mathematics and Algorithms
Mathematics and Algorithms
Math

5 min read


Jan 29, 2021

Docker Multistage Build

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., …

Docker

4 min read

Docker Multistage Build
Docker Multistage Build
Docker

4 min read


Jan 25, 2021

Embedding Python & GoLang Codes Each Other

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…

Golang

4 min read

Golang

4 min read


Jan 3, 2021

Using Wireshark Command-Line Tool (TShark)

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…

Tshark

11 min read

Using Wireshark Command-Line Tool (TShark)
Using Wireshark Command-Line Tool (TShark)
Tshark

11 min read


Dec 18, 2020

String Manipulations in Bash

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…

Linux

8 min read

String Manipulations in Bash
String Manipulations in Bash
Linux

8 min read

Batur Orkun

Batur Orkun

36 Followers

DevOps / SRE & Software & Architect & Linux Geek — http://baturorkun.com

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