Today I had the honor to speak at the SQL Ireland User Group. I covered basics of how to run SQL Server for Linux on Azure, and also some very advance scenarios.
When running is single instance of SQL Server is not enough, and you have always on demand from business, even during a failure. SQL Server Always On availability group to the rescue.
There are several ways to manage Azure. You can use either Azure Portal, Azure PowerShell Commandlets, Azure CLI or Azure API. One of the more common one today (besides) Portal is Azure CLI.