Then edit the `config/production.yaml` file according to your webserver
configuration.
-**PeerTube does not support webserver host change**. Keep in mind your domain name is definitive after your first PeerTube start.
+**PeerTube does not support webserver host change**. Even though [PeerTube CLI can help you to switch hostname](https://docs.joinpeertube.org/#/maintain-tools?id=update-hostjs) there's no official support for that since it is a risky operation that might result in unforeseen errors.
### Webserver
### TCP/IP Tuning
+A lot of your instance's raw performance is dependent on a properly tuned machine and more specifically, reverse-proxy. We provide support for Nginx and spent a lot of time putting sane defaults in it, but we strongly advise you to follow up with instructions in https://github.com/denji/nginx-tuning as needed.
+
**On Linux**
```