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a guest Feb 13th, 2018 50 Never
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  1. 1. Create the following directory structure in your home directory:
  2.     PE/
  3.         a/
  4.         b/
  5.         c/
  6.         d/
  7.             qux/
  8.             quux/
  9.         directory1/
  10.         directory2/
  11.         directory3/
  12.         directory4/
  13.         directory5/
  14.             foo/
  15.             bar/
  16.             baz/
  17.  
  18. 2. What is the underlying device of the root file system? Place the answer in ~/PE/answer2.txt (on a single line, separated by spaces)
  19.  
  20. 3. Copy /etc/fstab to ~/PE/directory5/foo
  21.  
  22. 4. Copy /etc/conf.d to ~/PE/directory5/bar
  23.  
  24. 5. Delete all files in ~/PE/directory5/bar/conf.d that start with the letter 'n'
  25.  
  26. 6. Move ~/PE/directory5/bar/conf.d/hostname to ~/PE
  27.  
  28. 7. Delete ~/PE/d/quux
  29.  
  30. 8. What command would you use to update the last modified time of ~/PE? Place your answer in ~/PE/answer8.txt.
  31.  
  32. 9. How many lines does /etc/inittab contain? Put your answer in ~/PE/answer9.txt.
  33.  
  34. 10. Merge /etc/fstab and /etc/mtab (in that order) into ~/PE/answer10.txt
  35.  
  36. 11. Determine the usernames of all accounts with a 'nologin' shell and put the list of usernames (and only usernames) in ~/PE/answer11.txt. Hint: look at the 'cut' command
  37.  
  38. 12. What is the PID of 'init'? Place the answer in ~/PE/answer12.txt
  39.  
  40. 13. What is the hardware address of the first hop when accessing www.google.com? Place your answer in ~/PE/answer13.txt
  41.  
  42. 14. Copy /etc/fstab to ~/PE and prevent other users from reading or modifying the copy
  43.  
  44. 15. Put the last 10 lines of /var/log/messages into ~/PE/messages. What command would you use to follow the contents of /var/log/messages in real time? Place the answer in ~/PE/answer15.txt
  45.  
  46. 16. Place a list of all files underneath /etc that begin with the letter 'b' in ~/PE/answer16.txt. Log all errors to ~/PE/error16.txt
  47.  
  48. 17. Create the following directory structure in ~/PE:
  49.     1/
  50.         10/
  51.         11/
  52.         12/
  53.         13/
  54.         14/
  55.         15/
  56.     2/
  57.         10/
  58.         11/
  59.         12/
  60.         13/
  61.         14/
  62.         15/
  63.     3/
  64.         10/
  65.         11/
  66.         12/
  67.         13/
  68.         14/
  69.         15/
  70.     4/
  71.         10/
  72.         11/
  73.         12/
  74.         13/
  75.         14/
  76.         15/
  77.     5/
  78.         10/
  79.         11/
  80.         12/
  81.         13/
  82.         14/
  83.         15/
  84.  
  85. 18. Create a compressed archive of /etc/init.d and its contents named init.d.tar.gz and place it in ~/PE
  86.  
  87. 19. Copy ~/PE/init.d.tar.gz to your local machine and verify its contents using the file's hash. Put the hash in ~/PE/answer19.txt
  88.  
  89. 20. What command would you use to force the SSH server (sshd) to stop? Place the answer in ~/PE/answer20.txt. DO NOT run the command.
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