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_computingAWSAWS_CLF-C02EC2EC2_configurations

Reference