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Linux Command Line and Shell Scripting Techniques
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Kubernetes: Up and Running
Kelsey Hightower & Brendan Burns & Joe Beda & Lachlan Evenson
sed & awk
Dale Dougherty & Arnold Robbins
Linux Bible (10th edition)
Christopher Negus
GitHub For Dummies
Sarah Guthals & Phil Haack
Cyber Security and Network Security
Sabyasachi Pramanik & Debabrata Samanta & M. Vinay & Abhijit Guha