#Documentation: Tracking and #alerting on @letsencrypt / certbot certificate renewals using #InfluxDB This essentially involves installing a simple post-deploy hook so that certbot reports renewals into #InfluxDB so *lack* of a renewal can be alerted on https://www.bentasker.co.uk/posts/documentation/linux/tracking-and-alerting-on-certbot-certificate-renewals-with-influxdb.html