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Virtual Geek

Tales from real IT system administrators world and non-production environment

Remove Azure Virtual Network Subnet using PowerShell

This PowerShell script will help you to remove subnet from Microsoft Azure Virtual Network (vNET). You can follow my earlier articles regarding the another topic related to Azure networking here on Azure add create a Subnet to existing Virtual Network using PowerShell and  Create a Azure Virtual…

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How to install kubernetes worker node on ubuntu Part 2

This is a second part of How to install kubernetes master control-plane on ubuntu. In the Part 1 I made my master node ready. If you are following the article, after executing kubeadm init command you will receive kubeadm join command which you need to use on K8S prepared worker node. Below is the…

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Powershell Add multiple bulk DNS records from csv file

This script is very handy when creating multiple bulk  DNS records in the Microsoft DNS server. It is very plain instructions how to use. At the core of this script Add-DnsServerResourceRecordA is the PowerShell cmdlet which is doing the task of creating DNS records.

To use this script create…

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Ansible authenticate to Microsoft Azure using credential inside yaml file

Ansible authenticate to Microsoft Azure using credential profiles Part 1
Ansible authenticate to Microsoft Azure using credential profiles Part 2

This is continuation of  the authentication to azure with ansible parts. While working on Ansible AWX tower controller, I wanted to create profile, bu…

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How to install kubernetes master control-plane on ubuntu Part 1

If you’re using containers, there’s a great possibility you’ve heard of Kubernetes, or K8s (in short). In straightforward language, Kubernetes is an open-source system for orchestrating, automating deployment, scaling, and management of containerized applications. Kubernetes is a tool intended to ge…

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