Categories
Dev Docker

Creating a Nginx Docker Container

Step 1: Install Docker First, you need to have Docker installed on your machine. The installation process varies depending on your operating system. Step 2: Verify Installation After installation, verify that Docker is running correctly by running the hello-world image: This should download a test image and run it in a container, displaying a message […]

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Dev Docker Kubernetes

Getting Started with Docker and Kubernetes for Beginners

What is Docker? Docker is a platform that allows developers to package their applications into containers—standardised executable components that include everything needed to run an application, such as code, libraries, and configuration files. These containers are lightweight and can run consistently across different environments because they are isolated from the host system. Key Features of […]

Categories
Kubernetes Linux

Getting Started With Kubernetes

To get started with Kubernetes, there are a few key concepts you need to understand: Now, let’s talk about how to set up a Kubernetes cluster. There are several ways to do this: For this tutorial, I’ll assume you’re using Minikube for local development. Here’s how to install it: This will download a Kubernetes cluster […]

Categories
Ansible Debian Linux

Efficient DNS Management for Debian Servers

Prerequisites Ansible Installed: Ensure Ansible is installed on your control machine. If not, you can install it using pip: pip install ansible Inventory File: Have an inventory file that lists your Debian hosts. For example, create a file named inventory with the following content: [debian_servers] host1 ansible_host=hostname_or_ip host2 ansible_host=hostname_or_ip … SSH Access: Ensure you have SSH access to the Debian […]

Categories
Ansible MacOS

How to Set Up Ansible in a Virtual Environment on macOS

Prerequisites If you haven’t installed Homebrew yet, open Terminal and run: Follow the on-screen instructions to complete the installation. Step 1: Install Python and virtualenv First, ensure that Python is installed. Homebrew makes this straightforward: Next, install virtualenv and sshpass using Homebrew: Step 2: Create a Virtual Environment Choose a directory where you want to set up […]

Categories
Python

Guide to Reading CSV Data with Python

Introduction CSV (Comma Separated Values) files are commonly used for data exchange between different applications. In Python, reading information from a CSV file is quite straightforward with the built-in csv module. This article will guide you through writing Python code to read information from a CSV file using this module. Prerequisites Make sure that your Python environment […]

Categories
Azure Microsoft

Azure Physical Infrastructure

Behind the scenes of Azure’s global reach are physical centres packed with computing power. Imagine giant warehouses filled with server racks – that’s essentially what Azure datacenters are. Just like any corporate data centre, they have their own dedicated power, cooling, and network systems to keep everything running smoothly. Unlike some data centres you might […]

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Azure Microsoft

What is Microsoft Azure?

Unleash innovation and tackle evolving business needs with Azure, Microsoft’s ever-growing cloud platform. Build and deploy applications on a vast global network, leveraging your preferred tools and frameworks for maximum flexibility. What does Azure offer? Ignite boundless innovation. Build groundbreaking apps and solutions with cutting-edge technology, tools, and services that propel your business forward. Unify […]

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802.1x Active Directory Cisco ISE

Enable Wired 802.1x – Group Policy

In my lab environment I have a ‘Lab Users’ OU that I will apply this group policy to. Open Group Policy Management and right click the ‘Lab Users’ Group, select ‘Create GPO in this domain, and Link it here…’. Give it a name, e.g. ‘802.1x Group Policy’, and then navigate to ‘Computer Configuration -> Policies […]

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802.1x Active Directory Cisco ISE

Cisco ISE Active Directory Certificate Template

This post will look at configuring a Windows Active Directory CA server with a certificate template for use with ISE that enables both ‘client authentication’, and ‘server authentication’ key usage. We have a simple network topology with a single ISE node, single Windows server, and a single Windows client machine. MMC Open the MMC, I […]