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Linux from scratch
(lemmy.stonansh.org)
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this post was submitted on 27 Aug 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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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.
Valid point. Kubernetes didn't really grab my attention (yet) Maybe it should.
Kube solves a ton of really complicated problems. I think a big part of the learning curve is just understanding what those problems are/were to know why we are all doing this in the first place.
Rolling out something like Talos is a good starting point for a sandbox to play around in. When I feel like you understand the basic ideas of things that can be run in kube (deployments, cronjobs, services, ingresses, etc) this is a really great resource to level up your understanding:
https://github.com/kelseyhightower/kubernetes-the-hard-way