LWN.net needs you!Without subscribers, LWN would simply not exist. Please consider signing up for a subscription and helping to keep LWN publishing Linux kernel development is tricky to learn. Though there are lots of resources available covering many of the procedural and technical facets of kernel development as well as a mailing list for kernel newbies, it can still be difficult to figure out how to get started. So some kind of "challenge" may be just what the penguin ordered: a series of i...