I recommend going through Hurricane Electric's multiple-choice tests. It's not exactly a how-to guide or course, but it'll mention all of the terms and technologies you need to look up to get things right. They'll even send you a free T-shirt if you make it through all of them.
The most difficult parts for a homelab in my experience is getting Docker to play nicely. All of the other stuff sort of just works these days. Even things like using DHCPv6 prefix delegation to obtain a routable subnet is almost trivial with how well-supported the protocol is with modern networking software.
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I recommend going through Hurricane Electric's multiple-choice tests. It's not exactly a how-to guide or course, but it'll mention all of the terms and technologies you need to look up to get things right. They'll even send you a free T-shirt if you make it through all of them.
The most difficult parts for a homelab in my experience is getting Docker to play nicely. All of the other stuff sort of just works these days. Even things like using DHCPv6 prefix delegation to obtain a routable subnet is almost trivial with how well-supported the protocol is with modern networking software.