Azure VM Types, Sizes and Generations

• Azure VMS are categorize into series. Each Series is a different hardware specification
• Series are combined to Form a type
• Available types
  • General Purpose
  • Computed Optimized
  • Memory Optimized
  • Storage Optimized
  • GPU Optimized
  • High Performance Compute
• Reference
• Naming Conventions of VM Size "<Alphabet: Series><number: size> <s: premium disk support><V<int>:Generation>"

Azure VM Image Creation

Important things to understand

• While creating a VM, we provide username & password.
• We create image from running vm.
• We remove user info
• deallocate vm
• Then create vm Image.
• In Azure, if you would to create VM Image, Azure VM becomes unusable.
• Azure Recommends Automation using packer

How to create VM Image

• Windows Reference
• Linux Reference

Create a Linux VM Image Exercise

• Create a ubuntu 18 VM
• ssh into the machine and execute the following commands

sudo apt-get update
sudo apt-get install apache2 -y

• Now Take a vm image and using vm image create a new vm and check if apache is present or not.