Set 5

Ubuntu L1-Cadet Industry Assignments

(Part 5 | Index 41–50) Mandatory Root Directory: ~/hello23

---

41. IT Support: Disk Usage by File Type

Scenario: Helpdesk is investigating storage bloat caused by specific file types.

Instructions:

• Navigate to ~/hello23

• Create a folder named disk_by_type

• Create files of different extensions and sizes

• Calculate disk usage per file type

• Save results to type_usage.txt

Commands Expected: du, ls, glob patterns (*.log, *.txt), redirection

---

42. Junior SysAdmin: Directory Permission Inheritance Test

Scenario: Verify how permissions propagate in directories.

Instructions:

• Navigate to ~/hello23

• Create a folder named permission_inheritance

• Apply permissions at directory level

• Create files inside the directory

• Observe and document permission behavior

Commands Expected: mkdir, chmod, touch, ls -l

---

43. Operations Support: File Rename Audit

Scenario: Standardize naming conventions for operational files.

Instructions:

• Navigate to ~/hello23

• Create a folder named rename_audit

• Create files with inconsistent names

• Rename files to a standard format

• Save before/after listing to rename_report.txt

Commands Expected: mv, ls, redirection

---

44. Infrastructure Engineer: Broken Permission Detection

Scenario: Users report “Permission denied” errors.

Instructions:

• Navigate to ~/hello23

• Create a folder named permission_errors

• Simulate restrictive permissions

• Attempt access as owner

• Capture error output

Commands Expected: chmod, ls -l, command error observation, redirection

---

45. Cloud Ops: Executable File Identification

Scenario: Security team wants to review executable files.

Instructions:

• Navigate to ~/hello23

• Create a folder named executable_scan

• Create regular and executable files

• Identify executable files

• Save results to executables.txt

Commands Expected: chmod +x, find -perm, ls -l

---

46. QA Engineer: Empty File & Directory Detection

Scenario: Cleanup required before release packaging.

Instructions:

• Navigate to ~/hello23

• Create a folder named empty_check

• Create empty and non-empty files/directories

• Identify empty items

• Save findings to empty_report.txt

Commands Expected: find -empty, ls, redirection

---

47. DevOps Support: Shell Built-in vs External Command Check

Scenario: Troubleshoot unexpected command behavior.

Instructions:

• Navigate to ~/hello23

• Identify whether common commands are built-in or external

• Capture command paths

• Save output to command_type.txt

Commands Expected: type, which, whereis

---

48. Site Reliability: Open Network Port Inspection

Scenario: Investigate potential unauthorized services.

Instructions:

• Navigate to ~/hello23

• List listening ports

• Identify associated services

• Save output to ports_report.txt

Commands Expected: ss -tuln, netstat -tuln, redirection

---

49. Linux Admin: Locale & Timezone Verification

Scenario: Time discrepancies detected across systems.

Instructions:

• Navigate to ~/hello23

• Display system locale

• Display timezone information

• Save output to locale_timezone.txt

Commands Expected: locale, timedatectl, redirection

---

50. Operations Engineer: Hardware Snapshot (Read-Only)

Scenario: Capture basic hardware details for documentation.

Instructions:

• Navigate to ~/hello23

• Display CPU and memory info

• Capture disk block device summary

• Save output to hardware_info.txt

Commands Expected: lscpu, free -h, lsblk, redirection

---

---