6. Troubleshooting and problem solving
Our migration journey started in Chapter 3, Assessment and migration planning, where we saw the importance of assessment and its contribution to the overall migration journey.
In Chapter 4, Performing migration to Azure, we witnessed the actual migration of Linux workloads to Microsoft Azure Virtual Machines as well as to managed services. Chapter 5, Operating Linux on Azure, was more about the post-migration strategies and tools for optimizing and securing workloads in Azure.
At this point, we have our virtual machine (VM) successfully migrated to Azure. Time to pack your bags and consider the job well done. However, sometimes things don't work the way they should. You might be getting strange errors in your log files or your client might be complaining that the migrated application is behaving incorrectly. You could even find out that your VM doesn't boot at all.
Being able to analyze the problem and debug the affected...