AWS and DevOps practice

Lab catalog

Pick a realistic AWS or DevOps failure, deploy the assets locally, and validate the fix when your investigation is complete.

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Showing labs related to Security Groups.

A backend EC2 instance cannot connect to a PostgreSQL RDS database. Find and fix the root cause.

published

60-90 minutesAround $0.50-$2 if destroyed after completion

A cross-region private HTTP path fails across VPC peering. Find the missing route, security group rule, and network ACL rule.

published

75-120 minutesAround $1-$3 if destroyed after completion