1. 1. Linux as a Virtual Environment
2. 1. 1.1. Prerequisites for the installations
   2. 1.2. Why Linux?
   3. 1.3. What is Linux?
   4. 1.4. Linux Distributions
   5. 1.5. What is BSD?
   6. 1.6. What are Linux distributions?
   7. 1.7. Configure Virtualbox
   8. 1.8. Configure Virtualbox - 2
   9. 1.9. Configure Virtualbox - 3
   10. 1.10. Configure Virtualbox - 4
   11. 1.11. Set up Linux
   12. 1.12. Set up Linux - hostname
   13. 1.13. Set up Linux - user
   14. 1.14. Set up Linux - complete
   15. 1.15. Linux login screen
   16. 1.16. Log in to the computer on the VirtualBox console
   17. 1.17. Package repositories
   18. 1.18. Linux users: you, root, and the sudo command
   19. 1.19. Update deb-based packages
   20. 1.20. Nano file editor
   21. 1.21. Turn off the Linux box
   22. 1.22. Log in as a remote machine
   23. 1.23. Create Host-only network
   24. 1.24. Configure Host-only network - adapter 1
   25. 1.25. Configure Host-only network - adapter 2
   26. 1.26. Configure host-only network on Ubuntu
   27. 1.27. Install ssh server
   28. 1.28. Use Putty to connect to the machine
   29. 1.29. The Linux Filesystem
   30. 1.30. Navigate in the filesystem
   31. 1.31. Create and remove directory
   32. 1.32. Remove files
   33. 1.33. Configuring the shell
   34. 1.34. Install Nginx
   35. 1.35. Linux Resources
   36. 1.36. Resources