devops shack
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MODERN OPERATING SYSTEMS, 5e
ANDREW S. TANENBAUM
Leveling Up As a Tech Lead
anemari fiser
A-Hackers-Mind-Ho[..] rules
bruce schneier
Emotional Intelligence
Daniel Goleman
terminal-cheat-sheet
Linux Bible
Christopher Negus
Linux® Command Line and Shell Scripting Bible
Richard Blum & Christine Bresnahan
Linux Basics for Hackers
OccupyTheWeb
How Linux Works : What Every Superuser Should Know (2nd Edition)
Brian Ward(Author)
How Git Works (Wizard Zines)
Getting Started with SQL
Thomas Nield
Bite_Size_Networking
julia evans