5. Operating Linux on Azure

If you recall the migration roadmap we shared earlier, it was a four-stage process. In the last two chapters, we covered the Assess and Migrate milestones. In Chapter 3, Assessment and migration planning, we discussed the need for proper assessment and thorough planning of the migration, as they are an inevitable part of the process. We also discussed the tooling used to complete these milestones in our migration journey in Chapter 4, Performing migration to Azure, and we migrated two Linux servers from Hyper-V into Azure. The first server was an Ubuntu LTS, and the second was a MySQL server, which was converted into an Azure Database for MySQL service.

One thing to keep in mind is that the journey doesn't stop there. In this chapter, we will focus primarily on the remaining stages: Optimize and Manage & Secure. We need to make sure that workloads are optimized, and that security is top-notch. In an on-premises environment, security...