check_cert is a Check_MK agent plug-in that checks the expiration date of a
certificate somewhere in the file-system.
# Installation
sudo make installConfiguring the check plug-in is easy:
# Create a file with one path to a certificate file per line.
mkdir -p /etc/check_mk/agent/cert
echo '/etc/letsencrypt/live/example.com/cert.pem' > /etc/check_mk/agent/certSponsored by Blunix GmbH.