3.6. Updates and third-party workloads

Health checks are especially useful after an update. You can examine the output of greenboot health checks and determine whether the update was declared valid. This health check can help you determine if the system is working properly.

Health check scripts for updates are installed into the /etc/greenboot/check/required.d directory and are automatically executed during each system start. Exiting scripts with a nonzero status means the system start is declared as failed.