Set 8

Ubuntu L1-Cadet Industry Assignments

(Part 8 | Index 71–80) Root Working Directory: ~/kactii23

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71. IT Operations: Recursive File Count

Scenario: Ops needs a quick count of all files in a project tree.

Instructions:

• Navigate to ~/kactii23

• Create a folder named recursive_count

• Create nested directories and files

• Count total files recursively

• Save the count to file_count.txt

Commands Expected: find, wc -l, redirection

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72. Junior SysAdmin: Directory Ownership Review

Scenario: Ownership inconsistencies cause access issues.

Instructions:

• Navigate to ~/kactii23

• Create a folder named ownership_review

• Create subdirectories and files

• Inspect ownership details

• Save output to ownership.txt

Commands Expected: ls -l, stat, redirection

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73. Operations Support: Command Timing Analysis

Scenario: Slow commands need analysis.

Instructions:

• Navigate to ~/kactii23

• Create a folder named timing_analysis

• Run commands with execution timing

• Compare timings

• Save results to timing_report.txt

Commands Expected: time, redirection

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74. Infrastructure Engineer: File Permission Numeric Mapping

Scenario: Translate symbolic permissions to numeric form.

Instructions:

• Navigate to ~/kactii23

• Create a folder named permission_mapping

• Create files with different permissions

• Document symbolic and numeric representations

• Save results to perm_map.txt

Commands Expected: chmod, ls -l, permission understanding

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75. Cloud Ops: System Path Duplication Check

Scenario: Duplicate PATH entries may cause confusion.

Instructions:

• Navigate to ~/kactii23

• Create a folder named path_duplicates

• Display PATH entries line by line

• Detect duplicates

• Save output to path_dupes.txt

Commands Expected: echo $PATH, tr, sort, uniq

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76. QA Engineer: File Encoding Inspection

Scenario: Text files show unexpected characters.

Instructions:

• Navigate to ~/kactii23

• Create a folder named encoding_check

• Create text files

• Inspect file encoding

• Save results to encoding.txt

Commands Expected: file, redirection

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77. DevOps Support: Safe Directory Removal Test

Scenario: Ensure directories are removed safely.

Instructions:

• Navigate to ~/kactii23

• Create a folder named rmdir_test

• Create empty and non-empty directories

• Remove empty directories safely

• Observe behavior on non-empty directories

Commands Expected: rmdir, rm -r, ls

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78. Site Reliability: Process Tree Visualization

Scenario: Understand parent–child process relationships.

Instructions:

• Navigate to ~/kactii23

• Display process tree

• Filter user-specific processes

• Save output to process_tree.txt

Commands Expected: pstree, ps, grep, redirection

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79. Linux Admin: System Boot Time Verification

Scenario: Verify system reboot timing.

Instructions:

• Navigate to ~/kactii23

• Display last system boot time

• Display system uptime

• Save results to boot_time.txt

Commands Expected: who -b, uptime, redirection

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80. Operations Engineer: Terminal Session Logging

Scenario: Capture a terminal session for audit.

Instructions:

• Navigate to ~/kactii23

• Start terminal session logging

• Execute a few basic commands

• Stop logging

• Save log file

Commands Expected: script, exit

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