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  <title>aws ec2 describe-instances</title>
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  <h1>List running EC2 instances</h1>
  <p class="lead">Filter to running instances, then trim the response with <code>--query</code> and pretty-print it as a table.</p>

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    <div class="terminal-body"><span class="prompt">$</span> <span class="cmd">aws ec2 describe-instances \
  --filters "Name=instance-state-name,Values=running" \
  --query "Reservations[].Instances[].[InstanceId,InstanceType,PublicIpAddress]" \
  --output table</span>
<span class="out">-------------------------------------------------------------
|                     DescribeInstances                     |
+----------------------+------------+-------------------------+
|  i-0abcd1234efgh5678  |  t2.micro  |  3.98.12.44             |
|  i-0wxyz9876mnop4321  |  t3.small  |  3.98.87.10             |
+----------------------+------------+-------------------------+</span>
<span class="prompt">$</span> <span class="cmd"></span></div>
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  <p class="note"><code>--filters</code> narrows results server-side, <code>--query</code> uses JMESPath to keep only the fields you need.</p>
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AWS Introduction — List Running EC2 Instances
