- First 4 chapters of CCENT/CCNA ICND1 100-105 by Wendell Odom, this will give you working knowledge of basic components used to implement switching and routing. You can skip any material focusing on Cisco devices.
- Network layer chapter from Computer Networks: A top down approach by Kurose and Ross to learn about routing algorithms.This should give you an intermediate understanding of modern internet architecture
- Unix Network Programming by R. Stevens
- The book: Operating Systems: Three Easy Pieces
- Linux File System - Video on the root folders for beginners
- https://dzone.com/articles/serverless-is-great-serverless-sucks-making-sense
- Socket Programming Tasks
- Best way to explore systems engineering is to read research papers.