# Gateway Bridge

Get the ChirpStack GPG key:

```sh
# https://superuser.com/a/1773782
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 1CE2AFD36DBCCA00 && \
gpg --export 1CE2AFD36DBCCA00 | sudo tee /etc/apt/trusted.gpg.d/chirpstack.gpg >/dev/null && \
gpg --batch --yes --delete-keys 1CE2AFD36DBCCA00
```

This avoids using the deprecated `apt-key` command listed on the ChirpStack site.

Add the source at:

```conf
echo "deb https://artifacts.chirpstack.io/packages/4.x/deb stable main" | sudo tee /etc/apt/sources.list.d/chirpstack.list
```

Update and install:

```conf
sudo apt update
sudo apt install chirpstack-gateway-bridge
```

See the following message:

```none
---------------------------------------------------------------------------------
The configuration file is located at:
 /etc/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml

Some helpful commands for chirpstack-gateway-bridge:

Start:
 $ sudo systemctl start chirpstack-gateway-bridge

Restart:
 $ sudo systemctl restart chirpstack-gateway-bridge

Stop:
 $ sudo systemctl stop chirpstack-gateway-bridge

Display logs:
 $ sudo journalctl -f -n 100 -u chirpstack-gateway-bridge
---------------------------------------------------------------------------------
```

Edit `/etc/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml` to match the port that the packet forwarder is using (1730 instead of 1700):

```toml
upd_bind = "0.0.0.0:1730"
```

Add/change some values:

```toml
event_topic_template="us915_1/gateway/{{ .GatewayID }}/event/{{ .EventType }}"
command_topic_template="us915_1/gateway/{{ .GatewayID }}/command/#"
````