Debugging Cron Jobs: Why Your Cron Is Not Running and How to Fix It
Diagnose and fix silent cron failures. Check environment variables, PATH issues, permission errors, output redirection, and cron log files.
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Tags: developer-tools, cron, debugging
Debugging Cron Jobs: Why Your Cron Is Not Running and How to Fix It Cron jobs fail silently. There's no error dialog, no notification, no obvious sign that something went wrong. You schedule a job, come back the next morning, and nothing happened. This guide covers the systematic process for finding out why — from checking if the daemon is running to diagnosing PATH issues and permission problems. Step 2: Check If Your Job Is Even Being Attempted Cron logs every job execution to the system log. This is the fastest way to tell if cron is attempting your job at all. Look for lines like: If you see a line, cron attempted the job. If there's nothing, the job was never triggered — which means either the schedule is wrong, the daemon wasn't running, or there's a crontab syntax error. --- Step…
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