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Lessons (15)

• EC2, Storage and Auto Scaling

  Run virtual servers on AWS, attach durable disks, and add or remove server copies when demand changes. EC2 …

• Cost Optimization and the Well-Architected Framework

  … unused EC2, unattached EBS volumes, old snapshots, idle load balancers, dev environments running overnight. 2. NAT gateway data …

• AWS: Start Here

  … ECS, EC2, or Lambda] A -- D[RDS or DynamoDB] A -- S[S3 files] Need AWS service to learn …

• Practical Project: Deploy a Real CRM App on EKS

  … A node group needs running EC2 capacity . bash aws eks describe-nodegroup \ --cluster-name "$CLUSTER" --nodegroup-name myapp …

• Containers at Scale: ECS Deep Dive and EKS

  … Scale workers on SQS backlog per task For EC2 launch type, capacity providers with managed scaling grow the …

• IAM: Who Can Do What

  … An EC2 application role might trust the EC2 service. That does not automatically give it access to S3 …

• Multi-Account Strategy, Governance and Security Operations

  … sensitive data in S3 Inspector Vulnerability scanning for EC2, ECR images and Lambda IAM Access Analyzer External and …

• IAM Deep Dive: Policy Evaluation, STS and Cross-Account Access

  … and the resource: json { "Effect": "Allow", "Action": ["ec2:StartInstances", "ec2:StopInstances"], "Resource": " ", "Condition": { "StringEquals": { "aws:ResourceTag/team": "${aws …

• Resilience, Disaster Recovery and Multi-Region Design

  … region read replica or automated backup replication EBS / EC2 Snapshots copied cross-region; AWS Elastic Disaster Recovery for …

• CloudWatch: Know What Your App Is Doing

  … On EC2, configure a suitable agent or collector if you want local application logs shipped. Try a Logs …

• Domains, Load Balancers and HTTPS

  … For EC2 routing, the target type depends on how the app is deployed. Pick it to match the …

• Run Containers on AWS with ECR and ECS

  … Fargate removes the need to manage the underlying EC2 fleet. You still select task CPU/memory, networking, permissions …

• VPC Networking Without the Confusion

  … For an EC2 instance to communicate directly through an internet gateway over IPv4, it needs a public IPv4 …

• AWS Interview Questions: Clear Answers

  … You do not need EC2, RDS, and Kubernetes just to serve static files. Verify both that the website …

• Practical Lab: S3 File Upload and CloudFront Delivery with NestJS

  … Identity to attach --- --- ECS or Fargate Task role EC2 Instance profile (role) EKS Pod Identity or IRSA role …