Multiple Radius instances

Most users run one Radius instance, so no selection is required:

radius app status

If multiple instances are running, Radius refuses to guess and returns INSTANCE_AMBIGUOUS.

Select an instance

Use an instance ID, release channel, or process ID:

radius app status --instance <instance-id> --json
radius tab list --instance development --json
radius window list --instance 12345 --json

Radius terminals automatically target the instance that opened them, so --instance is primarily useful from an external terminal.

On macOS:

radius app status --launch --timeout-ms 15000

The command starts Radius when necessary and waits for it to become ready.

List the available instances with the details returned by:

radius doctor --json

Then rerun the command with an explicit --instance selector.

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