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DevOps - What is it?

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DevOps stands for development and operations, a combination of practices and tools that improve companies’ ability to rapidly build, update and deliver applications. It is a software development methodology that combines a software framework and IT functions to improve the speed and reliability of software delivery. It is a culture and set of processes that focus on collaboration, automation and integration throughout the software development lifecycle, from development and testing to deployment and maintenance.

Terraform Introduction

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Terraform is an open source tool used to manage cloud infrastructure resources. It allows you to create, change, and destroy resources on cloud infrastructure like AWS, GCP, Azure, and DigitalOcean. It is often used by developers who need to work on multiple projects simultaneously. Read more about the basics, along with examples of real-world applications. Terraform Introduction Terraform is an open-source infrastructure as code (IaC) software tool created by HashiCorp. It allows users to define and provision data center infrastructure using a declarative configuration language.

Python Commands for Beginners

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List of basic python commands and data types: Assignments and Expressions In Python, an assignment is a statement that binds a value to a variable. An expression is a combination of values, variables, and operators that evaluates to a single value. Assignments An assignment statement has the following syntax: 1 variable = expression The left-hand side of the assignment operator (=) is a variable name, and the right-hand side is an expression that evaluates to a value.

Enabling Wi-Fi on Windows Server 2016: A Step-by-Step Guide

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Enabling Wireless Networking on Windows Server 2016 While Windows Server 2016 is a robust and powerful operating system designed primarily for managing server roles, there might be scenarios where you need to enable wireless network connectivity. Unlike client operating systems, Windows Server 2016 does not include the Wireless LAN Service installed by default. This means that even if you have a wireless adapter installed, you won’t be able to connect to Wi-Fi networks out of the box.

Mastering Site Reliability Engineering

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A Comprehensive Course on Site Reliability Engineering (SRE) Module 1: Introduction to Site Reliability Engineering (SRE) Defining SRE: Core Concepts and Principles Site Reliability Engineering (SRE) is a discipline that focuses on building and operating large-scale, highly reliable software systems. It achieves this by applying software engineering principles and practices to the realm of IT operations. This approach marks a significant shift from traditional IT operations, fundamentally treating the challenges of infrastructure and operations as software problems that can be solved through code and automation.

Fixing DNS Issues After Upgrading to Pi Hole V6

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Troubleshooting Pi-hole v6: Resolving DNS Issues After Upgrade Pi-hole is a powerful tool for network-wide ad blocking, and with the release of version 6, many users have upgraded to take advantage of new features and improvements. However, some users may encounter issues with DNS resolution after the upgrade, particularly when the /etc/resolv.conf file is configured to use 127.0.0.1#53 as the nameserver. This article will explain the problem and provide a step-by-step solution to restore DNS functionality.

Troubleshooting Random Disconnects in Pi Hole

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Troubleshooting Pi-hole Random Disconnects: Ensuring Stable DNS Connectivity Pi-hole is a popular network-wide ad blocker that acts as a DNS sinkhole, effectively blocking unwanted advertisements and tracking domains. However, users may occasionally experience random disconnects, leading to issues with remote access and DNS resolution on internal devices. This article will guide you through understanding the problem and provide a solution to ensure your Pi-hole remains connected and functional. Understanding the Issue When you set up Pi-hole, it typically requires a static IP address to function correctly.

Automating Hyper-V VM Imports with PowerShell

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Introduction Managing multiple virtual machines (VMs) in Hyper-V can become a time-consuming task, especially when VMs need to be imported into the system in bulk. While the Hyper-V Manager offers a manual process for importing VMs, using PowerShell to automate the process can save significant time and effort, particularly when dealing with large numbers of VMs. In this article, we’ll walk you through a PowerShell script that automates the process of importing multiple VMs into Hyper-V Manager.