How to solve these challenges:
To be consistent with the filenames and paths run the commands on Ubuntu
Write your solution in a terminal and test it.
If your solution is not correct, then try to understand the error messages, watch the video again, rewrite the solution and test it again. Repeat this step until you get the correct solution.
Save the solution in a file for future reference or recap.
Challenge #1
For the currently logged in user, create a cron job that writes the current date and time to a file every 3 minutes.
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Challenge #2
Create a cron job that runs as root and fully upgrades the system every Sunday at 5:10AM
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Challenge #3
Identify the partition where the root file system (/) is mounted.
Create a directory on the Desktop and mount that partition there as well.
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Challenge #4
Consider this iso file.
Mount it to a directory in the user's home directory.
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Challenge #5
Install the nginx web server.
Check that it’s running.
Set the server NOT to start automatically when the computer boots up.
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Note: For the following challenges, if possible, you should run the commands on a system where Linux runs as the main OS.
Challenge #6
Generate an HTML file that contains complete hardware information.
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Challenge #7
Find out what is the maximum RAM memory that can be installed on the system.
Find out the amount of RAM memory that is already installed on the system.
Display the amount of RAM memory that is free and used (by the running system).
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Challenge #8
Display as much information as possible about the WiFi card.
Note: You should run the commands on a system where Linux runs as the main OS.
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Challenge #9
Display as much information as possible about the hard disks.
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Challenge #10
Benchmark the read speeds performance of the disks installed on your system.
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Challenge #11
On a laptop, run a command that will display information about the battery status.
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