17
MAR
.NET and Azure Developer
All Posts
12
MAR
Fix Azure Linux VM High Memory Usage Because of Microsoft Defender
Recently, my Ubuntu 22.04 VMs are getting unresponsive. From Azure portal, I observe that something quickly eats up all memory on the VM. I'm also difficult to SSH into the VM. After work 996, I finally pinpointed the problem. It is caused by a process named "wdavdaemon", which is Microsoft Dender for Linux. This machine is B1s size and has only 1G memory, MDE is taking 416MB and this …
05
MAR
How to Run Cloud Init YAML with Azure Bicep when Creating VM
Problem Azure document for "Create an Ubuntu Linux virtual machine using a Bicep file" did not show how to use custom data to run cloud init yaml file when creating VM. After work 996, I finally figured out the undocumented method to run a cloud init yaml file with Azure Bicep. Let's see how to do it. Solution Create a YAML file for cloud init Create a YAML file in the location where your …
28
FEB
Fix Azure Ubuntu Virtual Machine Agent Status is Not Ready Problem
One of my Azure VM running Ubuntu 22.04 LTS suddenly gives a warning message " virtual machine agent status is not ready. Troubleshoot the issue". I recently did some updates and cleaned up the system, it seems the VM agent was destroyed. I've fixed the issue and would like to share the solution. …
25
FEB
Testing Network Speed Between Azure China and Azure Global for B1s VM
Sometimes businesses will deploy their systems across Azure China and Azure Global. It is important for these systems to perform well when connecting to each other on the internet. To know about the current condition for network between Azure China and Azure Global, I did a few tests, and I would like to share the result. …
21
FEB
Cloud Architecture Design of My Email Notification Infrastructure on Azure
My blog system "Moonglade" needs to send email notifications to blog owner when there are events like new comments, new pingbacks, and send email to readers when their comments are replied. I've been building my own infrastructure in the last few years. I will share the journey of how this email infrastructure evolved and the things I learnt. …
14
FEB
How to Automatically Move Blobs to Cool or Archive Tier After a Period of Time
Azure Storage Account offers three tiers of blob storage. Hot, cool and archive. We usually use hot tier for data that needs to be accessed frequently, move blobs to cool tier if they won't be used very often, and archive blobs when they are not used at all. However, manually, or programmatically moving blobs still require an amount of work to do. Let's see how to do it without any programming. …
08
JAN
How to Activate Kendo UI License in Azure Static Web Apps Without Exposing Secret Value
I have an open-source project that uses Kendo UI for Angular. In order for users to have BYOL model, I could not include the license file in my public repository. There is no example of how to activate Kendo license during SWA build process. Let's see how to activate Kendo UI license during the build process of Azure Static Web Apps without including the license itself in repository. …
09
DEC
Get Client IP When Your ASP.NET Core App is behind Reversed Proxy on Azure App Service
Problem I have a web app with a web front end and API backend both deployed to Azure App Service. I reversed proxy the API using this method I described before, so that my web front end can access API without having CORS issue, and the end users won't need to access my API address directly. However, for the API code, the client IP address I got is always Azure app service's outbound IP instead …
22
NOV