EC2 provides a wide range of sizing and configuration options to cater to diverse businesses requirements which have vary computational power demands. The users are given a rich choices of how they want their EC2 instances to be configured, including the ability to choose from different
- Operating Systems (OSs)
- Compute power & cores (CPU)
- Random-Access Memory (RAM)
- Storage space (network-attached EBS, EFS, or hardware based EC2 Instance Store)
- Network card (Speed of the card, public IP addresses)
- Firewall rules (Security groups)
- Bootstrap script (EC2 User Data)
EC2 User data script
During MV bootstrap sequence, the user data script will be read for customising the MV. Bootstrapping means launching commands when a machine starts. The user data script only run once at the instance first start. The EC2 user data can be used to automate boot tasks including:
- Installing updates
- Installing software
- Downloading common files from the internet
Back to parent node: EC2 - Elastic Compute Cloud
Cloud_computing AWS AWS_CLF-C02 EC2 EC2_configurations
Reference