devops-daily-practice

GFG Practiced Scripts

1. Conditional Statements | Shell Script
   
   

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2) Looping Statements | Shell Script

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#For loop





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#While loop





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3) Automating Linux System Backups with Bash

Exam

Q-4

• Categorize unauthorized packages by risk: Critical (hacking tools, backdoors), High (unauthorized servers/services), Medium (unnecessary software), Low (utilities).

• For packages in the approved list, check if the installed version meets the minimum version requirement. List packages that are outdated.

• Audit script

Q-5

• From disk_usage.txt, which partitions are in CRITICAL (>90%), WARNING (>80%), and OK state? Show usage as a formatted table.

• Write crontab entries: run disk alert every hour, run cleanup weekly at Sunday 3 AM, delete gzipped logs older than 90 days monthly.

Q-1

• Create a full project backup excluding: .git/, uploads/temp/, logs/, *.pyc files. Name: webapp_clean_YYYYMMDD.tar.gz

• Use grep to scan all config files for sensitive data (strings like password, secret, key, pass). List every file that contains credentials.

Q-3

• Cross-reference server_inventory.csv with failures. Which roles are affected? What is the business impact?

Q-2

• From network_connections.txt, identify suspicious listening ports and outbound connections. Which are legitimate? Which are malicious?

• Incident Report Script

Q-6

• From deploy_history.log, extract all FAILED deployments. List the version, date, and root cause for each.