Set 3

Ubuntu L1-Cadet Industry Assignments

(Part 3 | Index 21–30) Root Working Directory: ~/hello23

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21. IT Operations: Directory Size Comparison

Scenario: You are asked to identify which team directory is consuming more space.

Instructions:

• Navigate to ~/hello23

• Create a folder named dir_comparison

• Create two subdirectories with different file sizes

• Measure directory sizes

• Save comparison output to size_comparison.txt

Commands Expected: mkdir, dd, du -sh, redirection

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22. Junior SysAdmin: Hidden Files Audit

Scenario: Hidden files may contain misconfigurations.

Instructions:

• Navigate to ~/hello23

• Create a folder called hidden_files_audit

• Create visible and hidden files

• List hidden files explicitly

• Save findings to hidden_files.txt

Commands Expected: ls -a, touch, output redirection

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23. Operations Support: File Ownership Verification

Scenario: Ownership issues are causing access problems.

Instructions:

• Navigate to ~/hello23

• Create a folder named ownership_check

• Create files and inspect ownership

• Capture ownership details

• Save output to ownership_report.txt

Commands Expected: ls -l, stat, redirection

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24. Infrastructure Engineer: Soft Link vs Hard Link Task

Scenario: Understand how links behave in Linux filesystems.

Instructions:

• Navigate to ~/hello23

• Create a folder named links_demo

• Create an original file

• Create one soft link and one hard link

• Inspect inode and link behavior

• Save observations to links_report.txt

Commands Expected: ln, ln -s, ls -li, stat

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25. Production Support: Large File Detection

Scenario: Large files are suspected to slow backups.

Instructions:

• Navigate to ~/hello23

• Create a folder named large_file_scan

• Create files of varying sizes

• Identify files above a chosen size threshold

• Save results to large_files.txt

Commands Expected: find -size, ls -lh, redirection

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26. Cloud Ops: PATH Variable Analysis

Scenario: Command execution issues are reported.

Instructions:

• Navigate to ~/hello23

• Create a folder named path_analysis

• Display the PATH variable

• Split and list each path entry

• Save output to path_report.txt

Commands Expected: echo $PATH, tr, sed, redirection

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27. Site Reliability: Open File Descriptor Check

Scenario: System resource limits need inspection.

Instructions:

• Navigate to ~/hello23

• Capture current open file limits

• List open files for your user session

• Save results to fd_report.txt

Commands Expected: ulimit -n, lsof, redirection

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28. QA / Release Ops: File Difference Review

Scenario: Two configuration versions must be compared.

Instructions:

• Navigate to ~/hello23

• Create a folder named file_diff

• Create two similar text files

• Compare differences

• Save diff output to diff_report.txt

Commands Expected: diff, cmp, redirection

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29. DevOps Support: Scheduled Task Inspection

Scenario: Unexpected jobs may be running.

Instructions:

• Navigate to ~/hello23

• Create a folder named cron_audit

• List user cron jobs

• Capture system cron directories

• Save output to cron_report.txt

Commands Expected: crontab -l, ls /etc/cron*, redirection

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30. Junior Linux Engineer: System Identity Snapshot

Scenario: Capture a system snapshot for diagnostics.

Instructions:

• Navigate to ~/hello23

• Create a folder named system_identity

• Capture hostname, OS info, kernel version

• Save all details to system_info.txt

Commands Expected: hostname, uname -a, lsb_release -a, redirection

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