This simple program scans LAN network using arp-scan command and
monitor what devices is connected or disconnected to the network.
If there are some activity, a message will be sent to a Slack channel.
Just copy config.example.json to config.json and edit it.
Make sure arp-scan is installed.
If you want to launch this script by non-root users, please add SUID to arp-scan command:
$ sudo chmod u+s /usr/bin/arp-scan
Then, run the main script:
$ npm start