Azure Classroom Series – 02/Oct/2020

Log Analysis in Azure

  • Setup:
    • Create a Windows Server (With Os diagnostics enabled)
    • Create a Linux Server (With Os diagnostics enabled)
    • Create a Database

Configuring diagnostic settings on resources

  • Two kinds of diagnostic logs are available in Azure Monitor
    • Tenant Logs:
      • These logs consits of all the tenent-level services that exist outside Azure Subscription. Example: Azure Active Directory Logs
    • Resource Logs: These logs consists of data from resources deployed in Azure Subscription Eg: Virtual Machine, SQL Server
  • Enabling diagnostic settings
    • VM: Navigate to Monitoring and Diagnostic Settings and enble guest-level monitoring
    • Linux VM Guest Level Diagnostic Details Preview Preview Preview Preview
    • Windows VM Guest Level Diagnostic Details Preview
    • Enable Diagnostic setting for other resources as well
    • Now wait for atleast 20 mins before some logs appear and now we can analyze the logs by using queries Refer Here for docs on KQL (Kusto Query Language)
    • Creating alert from log query Refer Here

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