.NET Developer, Microsoft MVP

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Docker Support for My .NET Core Blog System on Azure

"Moonglade", the open-source blog system used by my blog (https://edi.wang), has been around for over a year. At least four community friends have used the system to deploy their own blogs on Azure and Alibaba Cloud. Unfortunately, the system has long lacked Docker support, which is the political correctness of today's world. Recently things have changed and I successfully made my blog system run …

Azure Linux Docker

How to Check Resource Existence in Azure CLI

Azure CLI can help us automate the configuration and management tasks of Azure. Ideally, for repetitive tasks, using CLI scripts can help us save time. However, Azure CLI still has some features that are not convenient enough, such as checking the existence of resources. Current Situation For some resource types, such as Resource Group, Azure CLI provides exists directive that can return the …

Azure CLI

Performance Optimization for My .NET Core Blog on Azure

I rewrote my blog system with .NET Core last year. After more than a year of optimization, the server response time is now 8ms comparing to 80ms when it first went live. This article shares what I have done to make my blog works really fast. In fact, before .NET Core, my old blog system was written by .NET Framework, built from ASP.NET Web Form 2.0 in 2008 all the way up to ASP.NET MVC5 in 2018. …

Azure .NET Core CDN

How to Allow Only Selected Users to Access an Application in Azure AD

My blog supports Azure AD authentication. I created the Azure AD application inside Visual Studio, by default, all users under my Azure AD will have access to my blog's admin portal. This is not ideal for an enterprise application that needs to limit access for only a few selected users or groups. Let's see how to configure an Application in Azure AD to enable access for just a few users. Make …

Azure Azure AD

Try the New Azure .NET SDK

Recently, Microsoft unveiled a new Azure .NET SDK, it's not a simple version upgrade, but a major change in the programming experience. While it may take a while to adapt to the new SDK, it is worth learning. The new SDK is more powerful, more flexible and easier to use. Current Status of Azure .NET SDKs Currently, the official packages for .NET SDKs for Azure are confusing and unfriendly to …

.NET Azure SDK

A Brief Introduction for Azure Front Door

Microsoft Azure had an incident on 11/20, which it's Front Door service got a bad deployment and blown up Office 365, Bing, Azure DevOps, etc. The issue was fixed very quickly by Microsoft engineers. But Azure Front Door caught my eyes, it is new to me. So I took a look. Azure Front Door Typically, when we deploy our web applications to Azure App Service or other clouds, the network flow of a …

Azure Front Door

Azure Remote Controlled Light with .NET Core 3.0 on Raspberry Pi

3 years ago, I wrote a blog post "Azure Remote Controlled Light with Windows 10 IoT Core", which is an experiment to sending a signal from your home and it will travel around the world then come back to your home to turn on an LED light on your Raspberry Pi. 3 years later, Windows 10 IoT Core and UWP seem not living so well. Microsoft doesn't have a new build of Windows 10 to support the latest …

Azure Raspberry Pi Linux .NET Core

This Blog Now Runs on .NET Core 3.0 and Azure

Microsoft shipped .NET Core 3.0 GA on Sep 23rd with tons of new features and improvements. This blog has been updated to .NET Core 3.0 and still runs on Microsoft Azure with SCD deployment type on App Service. This blog post summarizes all key points for my blog migration. Starting with .NET Core 3.0 preview 8, I've been investigating migration for this blog, from .NET Core 2.2 to .NET Core 3.0. …

Azure .NET Core

Migrate Azure Application Insights to ASP.NET Core 3.0

.NET Core 3.0 will be released at this month's .NET Conf conference, many of my friends, including me, couldn't wait to use the preview version to migrate our apps. Fortunately, starting with Preview 7, the API surface is final and can be treated as an RC version. There should be no API difference between preview 7, 8, 9 and RTM. Today I will talk about migration tips for Azure Application …

Azure Application Insight .NET Core

Setup Experimental Machines with Azure DevTest Lab

Programmers and test engineers always need to set up their own environments for development and testing purposes, and these machines may only be in use for a short period of time. Typically, we use virtual machine products such as Hyper-V and VMWare on the local machine, or we use virtual machines assigned by enterprise IT administrators to do the work. However, installing and managing these VMs …

Azure VM Lab Services