The /etc/cron.daily/certwatch cron job runs a daily expiry check on certificate configured in mod_ssl. The cron job is configurable by the file /etc/sysconfig/certwatch, in which the following options are available:
Disables the cron job completely.
Sets any additional options to pass to certwatch such as --period.
certwatch(1), httpd(8), cron(8), https://github.com/notroj/certwatch/
Joe Orton <email@example.com>