Pete Gallagher is a Microsoft Azure MVP and freelance programmer specializing in business applications and IoT solutions. He is a community organizer, public speaker, and STEM ambassador passionate about modern software development.
12 articles from this blog
Study guide for renewing the Azure Developer Associate certification before its July 2026 retirement, with curated resource links.
Study guide for the Azure DevOps Engineer Expert renewal certification in 2026 with curated resource links.
A technical tutorial on implementing a simulated IoT device in C# that uses X.509 certificates to auto-provision via Azure Device Provisioning Service.
A technical guide on creating X.509 enrollment groups in Azure Device Provisioning Service to authorize IoT devices at scale.
A technical guide on verifying X.509 certificate ownership for Azure IoT Device Provisioning Service using proof-of-possession.
A technical guide on uploading and verifying self-signed X.509 certificates to Azure Device Provisioning Service (DPS) for IoT device authentication.
Part 3 of a tutorial on using self-signed X.509 certificates with Azure Device Provisioning Service, focusing on creating a secure certificate hierarchy with OpenSSL.
Part 2 of a tutorial on using Azure Device Provisioning Service with self-signed X.509 certificates, covering resource creation and linking.
A technical guide on using self-signed X.509 certificates with Azure Device Provisioning Service (DPS) for IoT device testing and development.
Guide to installing Microsoft .NET 10 on a Raspberry Pi for C# IoT development, including hardware requirements and a custom install script.
A study guide for renewing the Microsoft Azure Developer Associate certification in 2025, with categorized links to official documentation.
A study guide and resource list for renewing the Microsoft Azure DevOps Engineer Expert certification in 2025.
