Azure Classroom Series – 06/Nov/2019

Virtual Machine Considerations

Virtual Machine (Non Azure)

Azure Virtual Machines

Azure Virtual Machine States

• Running:

  • Azure Resources are allocated
  • Billing:
    • On

• Stopped

  • Azure Resources are still allocated
  • Billing
    • On

• De allocated

  • Azure Resources are not allocated
  • Billing
    • Off

Azure Virtual Machine dependency of Other Azure Services

• VNET: Virtual Network
• Network Security Group which is much like a Firewall around Azure VM
• Network Interface Card (NIC): Connects Azure VM to Network (Subnet)
• Storage:
  • Azure Managed Disk
  • Storage Account
  • Temporary Disk
• Logs:
  • Enable/Disable Logs
  • Where to Store Logs

Azure Virtual Machine Creational Options

• Size
• VM Image
• Network Security Group
• Network (VNET)
• Storage
• Extensions: Add on features to Virtual Machines
• Cloud-init: Scripts that can be executed when VMS are created

Creating a Linux Virtual Machine

Refer

Resizing/Vertical Scaling

• Machine sizes can be changed (increase and decrease the sizes)
• This operation does the machine restart which is a downtime for your applications.