desc Verified current stable Not installed? Observability

Desc / Describe Instance Details

Describe Instance Details

Fetch detailed configuration and runtime state for a specific instance identified by its ID.

$
Terminal
desc instance <instance_id>;

When To Use

Essential for deep diagnostic analysis or troubleshooting of a particular instance's state and configuration.

Pro Tip

Evaluate instance state prior to deep diving; avoid unnecessary fetches for stopped or terminated instances to save resources.

Anatomy of Output

Understanding the result

Instance ID: i-0123456789abcdef Instance Identifier

Uniquely specifies the instance.

Type: t2.medium Instance Type

Defines the compute resources available.

State: running Operational Status

Indicates the current state of the instance.

Troubleshooting

Common pitfalls

No such instance id: i-000000000

Solution: Confirm the instance ID is correct and active.

Describe instance failed: UnauthorizedOperation

Solution: Ensure adequate IAM permissions for the operation.

Request limit exceeded, try again later.

Solution: Throttle requests according to API limits.

Command Breakdown

What each part is doing

desc
Base Command
The executable that performs this operation. Here it runs Desc before the shell applies any redirect operators.
<instance_id>
instance id
The value supplied for instance id.

Alternative Approaches

Comparable commands in other tools

Alternative observability tools for the same job.