To select an operating system to run your web app, we have to create a new application in Azure. Currently, there is no possibility to change this setting after an App Service is created. To create a new website, go to the Azure Portal and click on + Create a resource. On the new screen, search for Web App and select the first item displayed (or just return to the beginning of the Selecting Azure Web App from available services section and perform all the steps mentioned there).
On the Web App - Create screen, you have an OS field. You'll have three options:
- Windows: The most common option for .NET applications, suitable for running .NET Framework, Java, Node.js, or PHP sites.
- Linux: If you have an application ...
