Azure Classroom Series – 05/Aug/2020

Virtual Machines

  • This is a basic resource & most widely used resource in cloud compute.
  • Virtual Machines offered by Azure are called Azure vms.
  • Azure offers VMs in various types and sizes.
  • Each type has been optimized to suit to some purpose.
  • In Azure we have different vm purchasing options.
  • Broadly azure supports windows & linux vms

How Azure Works?

  • To Create Virtual Machines Azure uses Hypervisor (HyperV)
  • These Hypervisors are available on all physical servers in Azure regions
  • Every rack will have a fabric controller.
  • The Fabric controllers are orchestrated by an orchestrator, which instructs creation of resources like vm’s
  • When an user requests for a vm in that region the request is passed to orchestrator through API, and then Orchestrator will send the request to suitable fabric controller to create a vm on Some physical machine Preview

Terms

  • Every physical machines needs some operating system which is installed, in the case of virtual machines we have VM Images. Azure also uses the same terminology, when we create a vm, we will be asked to select Image.
  • OS in the Azure VMs are selected by the Image you choose while creating vm.
  • Azure Provides VM Images for standard Linux, Windows OS and Azure also has market place where you can find third party images, You can also create your custom vm images.
  • Azure Gives options to set credentials to your vm while creating VM.
  • Every VM needs a disk and network for communication.
  • For Azure free trail accounts we can use 750 hours of linux vm and 750 hours of windows vm of size (B1s) for free (12 months)

Lets create a windows 2016 server vm

  • Refer the below images Preview Preview Preview Preview Preview Preview Preview
  • To connect to this vm use connect option and download rdp file Preview
  • Now lets install IIS Server on Windows VM
  • Open Powershell as an admin and execute
Install-WindowsFeature -name Web-Server -IncludeManagementTools

Lets create a ubuntu vm

  • Watch Here
  • To connect to linux machines we need ssh tools, Please watch here
  • Connect to ubuntu instance using ssh and install apache server
sudo apt-get update
sudo apt-get install apache2 -y

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