Azure Classroom Series – 20/Dec/2019

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


  • Use Custom Script Extension to install Jenkins on Ubuntu 18


  • 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 Preview

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devops & cloud enthusiastic learner