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Linux Fundamentals
Almost every server you will defend or attack runs Linux, and most of the work happens in a terminal. This path starts with finding your way around the shell and builds up to reading logs like an investigator.
10 Fundamentals
Shell Basics
Find your way around a Linux system from the command line.
- Navigating the Shell guidedeasy 25 min
- Files and Folders guidedeasy 30 min
- Reading Files guidedeasy 30 min
- Pipes and Redirection guidedeasy 35 min
20 Skill Building
Working with Linux
Permissions, finding things, and the processes and services that keep a system running.
- Permissions and Ownership guidedeasy 35 min
- Finding Things guidedeasy 30 min
- Processes and Services guidedeasy 35 min
Accounts and Access
Who a machine thinks you are, what that lets you do, and how you prove it without a password.
- Users and Groups guidedeasy 25 min
- Sudo and Root guidedeasy 25 min
- SSH and Keys guidedmedium 30 min
30 Scenarios
Investigations
Put the basics to work on real evidence. No hand-holding.
- Log Detective challengemedium 45 min
- Live Log Detective challengemedium 45 min