Troubleshooting EC2 Instances
Explore how to troubleshoot common AWS EC2 instance issues such as launch failures, instance limit exceeded errors, insufficient capacity, SSH connection problems, and EBS volume errors. Understand typical causes and practical solutions to effectively manage and resolve EC2 instance errors in AWS environments.
Passing the SOA-CO2 exam will involve recognizing some general issues and errors that can be encountered in the AWS Management Console and knowing how to resolve them.
Launch issues
These are some common issues that occur during an EC2 launch.
Instance limit exceeded
AWS has a limit of 32vCPUs per region per account. If we try to launch a new instance or start a stopped instance that increases the overall vCPUs in a region to above 32, we’ll face the instance limit exceeded exception.
To resolve this error, we can request a limit increase from AWS support or choose to launch new instances in another ...