In this post, we will set up a simple SSL certificate expiry monitoring, using cron, ssl-cert-check script and a fail-safe provided by an external service, healthchecks.io.

It was in your TodoList: install the SSL certificate. So you’ve setup your SSL certificate on the web server. It’s quite trendy to use SSL. Google will give you a modest ranking bump, some users will feel safer, all is good. You have even tested your configuration with Qualys, got you an A+. Good job: most got a C, even banks. Now what? What will happen when your cert is about to expire? Your CA will send an email to renew your cert. But maybe someone in the accounting dept will get that email.