Notes on keeping jobs alive

Failure modes of scheduled work, and what to do about them. RSS

• 17 August 2026 · ssl, tls, monitoring, devops, sre

  Nobody emails you before your certificate expires any more

  Let's Encrypt stopped sending expiry emails and certificate lifetimes are shrinking to 47 days. What to monitor instead, and why "certbot ran" proves nothing.

• 14 August 2026 · laravel, php, monitoring, cron, devops

  Your Laravel scheduler failed at 3 AM. When would you find out?

  Laravel's scheduler fails silently — a missed job leaves no error and no log. How to monitor scheduled jobs with a dead man's switch, one line per task.