Set 1

1. Text Processing – Generate Sorted Unique Activity Log

Scenario Your engineering team needs a cleaned list of unique user activity entries from raw logs to feed into analytics.

Instructions:

• Navigate to ~/kactii29

• Create a folder named activity_logs

• Assume raw_logs.log exists with repeated entries

• Generate a sorted, de-duplicated file

• Save output to clean_logs.txt

Commands Expected: sort, uniq, file redirection

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2. Environment Variables – Configure Deployment Variables

Scenario DevOps wants environment configurations set for a staging environment used in a container.

Instructions:

• Navigate to ~/kactii29

• Create a folder named env_setup

• Set variable APP_ENV=staging

• Make it permanent by sourcing the appropriate file

• Verify the command location for python3

Commands Expected: export, source, which

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3. Disk Usage – Investigate Space on Project Directory

Scenario Storage team reports unusually high usage in your project area on Ubuntu server.

Instructions:

• Navigate to ~/kactii29

• Create a folder named disk_investigation

• Determine directory sizes under your home

• Identify largest subdirectories up to one level deep

• Save report to usage_report.txt

Commands Expected: du -h --max-depth=1

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4. File Identification – Confirm Binary Types

Scenario Security analysts want to ensure custom binaries in your build folder are the correct file types.

Instructions:

• Navigate to ~/kactii29

• Create binary_check folder

• Assume bin1 and bin2 are present

• Determine file types

• Report results in types.log

Commands Expected: file

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5. Scheduled Backup – Automate Backups at Night

Scenario Your infrastructure team needs a backup script to run nightly via at scheduler.

Instructions:

• Navigate to ~/kactii29

• Create nightly_backup

• Create stub backup script backup.sh

• Schedule it to run at 23:00

• Confirm scheduled jobs

Commands Expected: at, scheduling syntax, job list (atq)

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6. Service Status – Validate Web Service Availability

Scenario QA needs verification that the nginx service is running after deploy.

Instructions:

• Navigate to ~/kactii29

• Create folder service_checks

• Check nginx service status

• Start service if not running

• Enable it to start on boot

Commands Expected: systemctl status, systemctl start, systemctl enable

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7. Networking – Check Active Sessions and Ports

Scenario Network security team needs a snapshot of current connections and logged-in users.

Instructions:

• Navigate to ~/kactii29

• Create network_snapshot folder

• List listening TCP/UDP sockets

• Capture list of logged-in users

• Save to network_report.txt

Commands Expected: ss -tuln, who

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8. Uptime Monitoring – Report System Stability

Scenario Operations wants periodic reports on uptime for server health dashboards.

Instructions:

• Navigate to ~/kactii29

• Create uptime_reports

• Capture current uptime

• Include timestamp

• Append to uptime_log.txt

Commands Expected: uptime, date, output redirection

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9. Text Streams – Extract First Column From CSV

Scenario Data team provided a CSV of user metrics; you need the first column for analysis.

Instructions:

• Navigate to ~/kactii29

• Create csv_extract

• Assume metrics.csv exists

• Extract first column (comma-delimited)

• Save to first_column.txt

Commands Expected: cut -d',' -f1

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10. System Maintenance – Immediate Reboot After Updates

Scenario After applying critical updates, infrastructure requires an immediate reboot.

Instructions:

• Navigate to ~/kactii29

• Create folder maintenance

• Document any open sessions before reboot

• Reboot the system

Commands Expected: who, sudo reboot

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