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oam/knowledge base/cloud computing/aws/ec2.md

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Title

  1. TL;DR
  2. Disks
  3. Further readings
    1. Sources

TL;DR

Real world use cases 
# Get the IDs of running nginx instances in 'dev'.
aws ec2 describe-instances --output 'text' \
  --query 'Reservations[].Instances[].InstanceId[]'
  --filters \
    'Name=instance-state-name,Values=running' \
    'Name=tag:env,Values=dev' \
    'Name=tag:app,Values=nginx' \

# Start SSM sessions to specific machines.
aws ec2 describe-instances --output text \
  --query 'Reservations[].Instances[].InstanceId' \
  --filters \
    'Name=app,Values=mysql' \
    'Name=instance-state-name,Values=running' \
| xargs -ot aws ssm start-session --target

Disks

See EBS.

Further readings

Sources