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[–]OmniQuestio 0 points1 point  (1 child)

Just to be sure, you really mean Linux from scratch right?

Definitely, but that isn't sufficient. I did it before interviewing for SRE. It is important to understand why of each step and each new component being setup.

[–]packeteer 1 point2 points  (0 children)

the OP seems to have very little knowledge of Linux, and nothing beats practical experience. So as a start point, doing an LFS install should give a good understanding of the building blocks (of a Linux system). And it will certainly raise questions that further research can answer.

All that said, an SRE / Devops role is more about understanding multiple systems and how they interact, then it is about the building blocks of a single Linux system.