The Linux Foundation hosts brilliant courses on OS virtualization in Linux - after that there is a pretty clear path at a cloud administrator career.
this post was submitted on 27 Aug 2023
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Knowing this stuff is fine but make sure to keep your goals in mind. If the idea is to get a job, figuring out how Bluetooth works isn't going to get you anywhere. You need to move in the direction the wider industry is moving. That direction is running containers in kubernetes.
If you can stand up a kube cluster, write a Prometheus exporter in go, scale pods based on those metrics, and auto resize workloads' resource requests, then you should be able to find a job without much trouble.. These are the things ops people are expected to do in 2023.
EDIT: The CNCF is a great resource for modern tooling.
After you do LFS try making a minimal bootable system (on a stick) and see what's the bare minimum you can put on it to get a working console. Hint: init can be any executable or script, it doesn't have to be complicated.
You can also add useful tools like parted and make your own little mini-rescue distro that you can use when something goes wrong with your main system.
Haha it's funny that the massive systemd is just a replacement for a shell script