12
APR
.NET and Azure Developer
VM
19
DEC
How to Check If Code Is Running on Azure VM
An application needs to know if itself is running in Azure VM, so that it can apply special logic and optimization for Azure. You can check if your code is running on an Azure VM by querying the Azure Instance Metadata Service. This service provides information about running virtual machine instances that can be accessed from within the VM. …
06
MAY
Setup Hyper-V Server 2019 in My Home PC
I recently bought a HP 800G2 PC for 200 RMB from my company. I decided to use it to host VMs for my tech experiments. Having VMs running in home LAN gives me advantages over remote connection to Azure datacenters, which I would typically use. I ended up installing Hyper-V Server 2019 on the machine and deployed an Ubuntu Server VM and a Windows 10 VM. In this post, I will share the process …
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. …
02
AUG
How to Restore Connection After Accidentally Disabled NIC on Azure VM
Normally, we uses cloud based VMs through SSH or RDP, so a network connection is necessary for connecting to the VM. But what if you accidentally disabled the NIC on your cloud VM? You may want to call Azure Support or find a previous snapshot for restoring VM. That's not necessary! Azure can help you restore your NIC by yourself in a few steps. Experiment I created a Windows Server 2019 VM on …
18
JUN
Use Azure Function to Schedule Auto Start for VMs
VMs on the Microsoft Azure platform can be configured to automatically shut down by schedule. However, currently only VMs in the DevTest Lab service can be powered on automatically. Regular VMs have not been updated with the auto start capability. But still, we can take advantage of Azure Function V3 and PowerShell Core to start the VM by timed schedule. The Idea I have wrote a post 6 year ago …
22
AUG
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 …
25
AUG