Azure VMs Contd

• Vertical Scaling/Scaling up and Scaling down:
  • In the event where your vm instance size is not enough to meet the application demands we can resize the vm to the greater size
  • In the Same Way, if the vm instance size is under-utilized, then we can resize the vm to the smaller size
  • Increasing the size of the vm is considered as scaling up & Decreasing the vm size is considered as Scaling down
  • This operation in azure requires a downtime
  • Lets create a vm with some application in it
  • So lets scale up
  • The commands used for installing apache and stress are

  sudo apt update
  sudo apt install apache2 stress -y
  

• Exercise:
  • Create an ubuntu vm in a new resource group
  • We are able to install softwares in linux using Run Command, In Azure when a linux vm is created, azure linux agent (waagent) is pre installed.
  • When we run commands, the Job is done by this agent Refer Here
• Extensions in Azure