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Beginner 路 30 lessons 路 4 units

Linux & the Command Line

Drive a computer with your keyboard, like real sysadmins and security pros.

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Unit 1Terminal basics

0/8
  1. 1 Why learn Linux? quiz
  2. 2 Opening the terminal quiz
  3. 3 pwd, ls and cd codequiz
  4. 4 Making and removing codequiz
  5. 5 Reading files codequiz
  6. 6 Getting help codequiz
  7. 7 Editing with nano codequiz
  8. 8 Wildcards codequiz

Unit 2Users and permissions

0/6
  1. 9 Users and root codequiz
  2. 10 sudo codequiz
  3. 11 File permissions codequiz
  4. 12 chmod codequiz
  5. 13 chown and groups codequiz
  6. 14 Managing users codequiz

Unit 3Power tools

0/8
  1. 15 grep codequiz
  2. 16 Pipes codequiz
  3. 17 Redirection codequiz
  4. 18 find codequiz
  5. 19 sort, uniq, cut and awk codequiz
  6. 20 Processes codequiz
  7. 21 Installing software with apt codequiz
  8. 22 Services with systemctl codequiz

Unit 4Servers and scripts

0/8
  1. 23 Disk and memory codequiz
  2. 24 Networking commands codequiz
  3. 25 SSH codequiz
  4. 26 The firewall with ufw codequiz
  5. 27 Bash scripts codequiz
  6. 28 Variables and loops in bash codequiz
  7. 29 Scheduling with cron codequiz
  8. 30 Reading system logs codequiz