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I need help with these linux questions 9. What command would I run if I want to archive and compress all of the documents in
I need help with these linux questions 9. What command would I run if I want to archive and compress all of the documents in ~/Desktop/backups/2015 to a file called '~/backups.bz2'? Remember you are in ~. (5 pts) 10. Below, create a simple shell script (something I could copy directly from your assignment into a text file and run) that would delete all files with the name "Fred.*" under /var/log whose whose size is less than 1MB. (5 pts) 11. I just created the following shell script in the file "runme.sh": #!/bin/sh find / -type f -name *.tmp -size +10k -size -20k -exec rm {} \; I save the file, and then attempt to run it. received the error bash: ./runme.sh: Permission denied. Show me the command that solves the problem. (5 pts) 12. Create a command that will search for files under /etc that contain the keyword "PAM", and return a COUNT of the number of files. That's all I want to see, a number. (User the man pages: 5 pts) 13. Create a command that will identify files under /usr/sbin that are greater than 1 kilobyte and less than 1MB. (5 pts) 14. Create a command that will run the script runme.sh one hour from now. (5 pts) 15. I've run 24 commands in the background from a terminal. Some of these I know will take some time to complete. How would I find out what commands have not completed yet? (5 pts) 16. What command could I run to determine whether the ssh daemon is listening? (There are a couple of correct answers here.) How would you check this? Hopefully you've installed OpenSSH (shown in the videos). Then identify the command, it should show that ssh/port 22 as "listening.' (5 pts) 17. I have a directory called "~/MyFiles." It's owned by user 'pc' and group 'pc.' Change the ownership so that it is now owned user 'super' and group "secret". (5 points) 18. Create a crontab entry that would run the file /etc/clear.sh every day at 3AM. 19. Create a crontab entry that would run the file /etc/clear.sh every Wednesday at 5:01PM. 20. Create a command that will find all files under / that end in the extension *.txt, and whose contents contain either the word "new" or "old" or "borrowed" or "blue". (Look at egrep, watch the video!). CHECK YOUR WORK! (5 points).
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