Cron vs systemd Timers: Which Scheduler Should You Use on Linux?
Compare cron and systemd timers for task scheduling on Linux. Evaluate syntax, logging, dependencies, and recovery behaviour for your use case.
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Tags: developer-tools, cron, systemd
Cron vs systemd Timers: Which Scheduler Should You Use on Linux? Both cron and systemd timers schedule recurring jobs on Linux. They overlap significantly, but each has genuine advantages in specific situations. This guide compares them on every dimension that matters so you can make an informed choice — and gives a recommendation matrix at the end. Comparison Table | Feature | cron | systemd timer | |---------|------|---------------| | Syntax | Five-field expression | Calendar spec or OnBootSec/OnUnitActiveSec | | Missed run recovery | No | Yes (if ) | | Dependency management | No | Yes (After=, Requires=, etc.) | | Logging | stderr/stdout to mail | journald (queryable, structured) | | Resource limits (CPU/RAM) | No | Yes (cgroups via unit file) | | Per-user support | Yes (crontab -e) |…
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