ip_addr_send

Automatically sends your edge device's IP address(es) to a Slack channel on boot. Useful for headless devices (Jetson Orin Nano, Raspberry Pi, etc.) where you need to know the IP without a monitor. Supports both IPv4 and IPv6.

How it works

On startup, the script waits 15 seconds for the network to stabilize, fetches both the IPv4 and IPv6 addresses (whichever are available), and posts them to a Slack channel via an Incoming Webhook.

Setup

1. Create a Slack Webhook

1. Go to api.slack.com/apps → Create New App → From scratch
2. Under Incoming Webhooks, toggle it ON
3. Click Add New Webhook to Workspace, pick a channel, and copy the URL

2. Configure the script

Copy .env.example to .env and paste your webhook URL:

cp .env.example .env

Then edit .env:

SLACK_WEBHOOK_URL=https://hooks.slack.com/services/YOUR/WEBHOOK/URL

The .env file is gitignored and will never be committed.

3. Deploy on the device

Copy the files onto the device, then run:

bash setup_service.sh

This registers send_ip.py as a systemd service that runs automatically on every boot after the network is up.

Useful commands

sudo systemctl status send_ip    # check if it ran
sudo systemctl disable send_ip   # remove from boot
journalctl -u send_ip            # view logs

Requirements

• Python 3
• requests library (installed automatically by setup_service.sh)