Command
aws ec2 start-instances --instance-ids i-1234567890abcdef0Explanation
Starts stopped EC2 instances by instance ID.
Common Use Cases
- •Manually starting instances after maintenance
- •Automating environment boot-up scripts
Best Practices
- ✓Use tagging for easier instance selection
- ✓Automate start operations via CloudWatch or Lambda
Common Mistakes to Avoid
- ⚠Starting an already running instance (no effect)
- ⚠Using incorrect instance ID
Troubleshooting
Problem: Instance not starting
Solution: Check IAM permissions and instance state.
Examples
Start EC2 instance by ID
aws ec2 start-instances --instance-ids i-1234567890abcdef0