# Debugging `bblfshd` on macOS

Where the example says

```shell
docker exec -it bblfshd bblfshctl driver list
```

you will need to specify the address explicitly:

```shell
docker exec -it srcd-cli-bblfshd bblfshctl driver list --ctl-network=tcp --ctl-address=localhost:9433
```

The default uses a Unix socket that isn't bound. Note also that I am using the "production" container `srcd-cli-bblfshd` instead of the example, since this is what people are going to be trying to debug from.