VM Extensions

• Refer Here for complete info
• To Provide functionality of extensions, agents will be installed on VMS. We have Linux and Windows Agents
• Third Party Agents are available, Some of them are
  • Chef Agent
  • Puppet Agent
  • Security Agents
  • Proxy Agents

Exercise:

• Use Custom Script Extension to install Jenkins on Ubuntu 18

Cloud-init

• Cloud-init is generally used to execute commands/script after the VM is created. But Cloud-init is a standard which has simplified the way you write the script.
• Refer Here for samples.
• Not Supported by all the Operating Systems. Refer Here

VM Operating System Patches

• Operating System Patching can be automated using Azure Operations => Update Management