AWS Cloud Foundations — Fresher Learning Path
How to Use This Path Each section below shows an AWS architecture diagram. Click any coloured block to see:
Jan 20, 2025
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EC2
14 articles
AWS Cloud Engineer Learning Path
Who Is This Path For? This path is designed for complete beginners who want to break into cloud computing as an AWS engineer. If you know …
Jan 20, 2025
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Clean Up Unused AWS Resources — EBS Volumes, EIPs, Old AMIs with Cost Report
Resource Cost Overview Resource Approx. Cost When it wastes money EBS gp3 volume $0.08/GB/month When not attached to any instance Elastic IP …
Jan 20, 2025
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Single AZ Failure Took Down Black Friday — Root Cause & Fix
The Problem Your application went down because critical resources were effectively pinned to a single Availability Zone. Even though AWS …
Jan 20, 2025
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EC2 Instance Communicating with Malicious IP — Incident Response
The Problem A running EC2 instance may be compromised — malware installed, data being exfiltrated, or the instance being used as a pivot to …
Jan 20, 2025
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Migrate a Java Monolith From On-Premises to AWS With Minimal Downtime
The Problem A 6-month deadline forces choices. You don’t have time to re-architect the monolith into microservices. You need to move …
Jan 20, 2025
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Create CloudWatch Alarms for All EC2 Instances (CPU, Memory, Disk)
Problem Statement Your team gets paged at 3 AM when an EC2 instance runs out of disk space — but only after the application has already …
Jan 20, 2025
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Find Untagged Long-Running EC2 Instances & Alert via SES
Problem Statement Your organization mandates every EC2 instance must carry a Project tag (for billing allocation). Engineers spin up dev …
Jan 20, 2025
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EBS Snapshot Manager — Auto Backup & Retention Cleanup
Problem Statement Your team’s EC2 instances hold critical application data on EBS volumes. Without automated snapshots, a failed …
Jan 20, 2025
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Auto Stop/Start EC2 Instances Using Schedule Tags with Python
Problem Statement Your team has 20 dev/staging EC2 instances that run 24/7 but are only used during business hours (8 AM – 8 PM). Each …
Jan 20, 2025
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EC2 Production Instance Unreachable — Diagnose and Recover
Overview An EC2 instance going unreachable is one of the most common production incidents. The tricky part isn’t fixing it — …
Mar 10, 2024
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AWS Security Interview Questions and Answers
Q1 What is AWS WAF Advanced Ans: AWS WAF (Web Application Firewall) is a managed firewall service that helps protect web applications from …
Jan 1, 0001
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EC2 Interview Questions Part 02
Q1 What is Amazon EC2 and what are its main use cases? Basic Ans: Amazon EC2 (Elastic Compute Cloud) is a cloud service provided by Amazon …
Jan 1, 0001
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EC2 Interview Questions and Answers
Q1 What is Amazon EC2 and what are its main use cases? Basic Ans: Amazon EC2 (Elastic Compute Cloud) is a cloud service provided by Amazon …
Jan 1, 0001
Read more