A month-long course aimed at those who aspire to get Linux-related jobs in the industry - junior Linux sysadmin, DevOps-related work, and similar. Learn the skills required to sysadmin a remote Linux server from the commandline.
I honestly wouldn't recommend this for any server, and probably not for a workstation. This is useful for learning but could easily be a nightmare when troubleshooting an issue on a remote machine.
It's always a great idea to do updates when you can give them your attention. Even if it's you triggering them via ansible or other automation.