Slack is a cloud-based set of proprietary team collaboration software tools and online services.
A webhook is required to post alerts to a slack.
Follow slack's guide to setting up an incoming webhook.
Copy the Webhook URL
Turn on slack alerts and enter the URL in to the LinuxGSM settings. (
# Slack Alerts | https://docs.linuxgsm.com/alerts/slackslackalert="on"slackwebhook="your webhook url"