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OverTheWire
Free security 'wargames' that teach Linux and hacking basics safely.
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- Oct 29, 2026
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- overthewire.org
OverTheWire offers free security 'wargames' that teach Linux commands and hacking basics safely.
Why it is worth a bookmark
- Learn Linux commands through challenges
- Practise ethical hacking legally
- Learn security concepts
- Progress level by level
Good to know
It's free. Start with the Bandit wargame. Bandit teaches the Linux command line one level at a time, making it ideal for beginners. Notes from each level help you learn.