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.
Or you could staple your dick to the floor and chase your balls around with your pelvic bone until you pass out from pain or blood loss. It's the exact same experience. This one is much faster though