Flatcar: Steps to Migrate from CoreOS to Flatcar Container Linux
Flatcar Container Linux is a drop-in replacement for CoreOS Container Linux. Thus, one should think that a migration should be an effortless task, and it is. Since Red Hat announced that CoreOS Container Linux will reach its end-of-life on May 26 , we’ve seen a major uptick in the usage of Flatcar Container Linux. We’ve also had a number of questions about the migration process. This post looks to highlight how to migrate to Flatcar Container Linux in two ways; modifying your deployment to install Flatcar Container Linux, and updating directly from CoreOS Container Linux.