Monitoring SSL certificate expiration with ssl-cert-check

I was about to write a script using OpenSSL to monitor the SSL certificate expiration dates for a few servers when it dawned on me that someone had probably done this already.

The ssl-cert-check shell script takes a list of hosts/ports and prints out the expiration date (and how many days away that date is). It can also be configured to email a message for any certificates expiring in less than N days for easy cronibility (?). Seems lovely!

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