Cron Reference

Cron Each Hour Linux Crontab (2026)

Cron expression 0 * * * * means At minute 0.

Cron each hour Linux crontab setup for 2026 using 0 * * * *. Learn safe hourly scheduling, overlap prevention, and practical logging patterns for Linux servers.

Cron Expression

0 * * * *
0Minute
*Hour
*Day
*Month
*Weekday

Common use cases

  • Hourly queue maintenance and retry scripts
  • Top-of-hour metrics aggregation on Linux hosts
  • Hourly API sync tasks run from system crontab
  • Recurring health checks with predictable cadence

How to use this cron schedule

For cron each hour Linux crontab, the canonical entry is `0 * * * * /path/to/script.sh`. This runs once at minute zero of every hour. In 2026, hourly cron remains a strong default when teams need fresher data than daily jobs but do not require minute-level polling. Linux deployments should always use absolute paths and explicit shells to avoid environment surprises. Keep stdout and stderr redirected to structured logs so you can verify that each top-of-hour run started and completed with expected output.

The main operational risk with hourly cron is overlap. If a script occasionally runs longer than sixty minutes, the next trigger can start while the previous run is still active. Use lock files, queue workers, or idempotent operations to keep side effects safe. Test job runtime under peak load before production rollout. Also confirm timezone behavior at the host level, since teams often assume local time while servers run in UTC. Write the expected execution window in documentation to reduce confusion during incident response.

A practical pattern is to start with one low-risk hourly job, observe run duration and failure trends for a week, then scale to higher-impact automations. Emit a success marker after each run and alert on consecutive misses. Keep each hourly command narrow in scope and chain downstream tasks explicitly where needed. This makes debugging faster and limits blast radius. Use this page as your Linux copy reference for `0 * * * *`, then compare related pages for every-hour meaning, weekday-hourly schedules, and daily 5 AM or 7 AM alternatives.

Want to customize this schedule?

Open it in the visual builder to tweak the expression interactively.

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Need to monitor this cron job?

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Platform usage examples

Linux / Unix — crontab
# Edit your crontab
crontab -e

# Add this line to run each hour linux crontab (2026)
0 * * * * /usr/bin/php /var/www/html/script.php

# Or run a shell script
0 * * * * /home/user/scripts/job.sh >> /var/log/job.log 2>&1
GitHub Actions
# .github/workflows/scheduled.yml
name: Scheduled Job

on:
  schedule:
    - cron: '0 * * * *'

jobs:
  run:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run job
        run: echo "Running each hour linux crontab (2026)"
Kubernetes CronJob
apiVersion: batch/v1
kind: CronJob
metadata:
  name: my-scheduled-job
spec:
  schedule: "0 * * * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: job
            image: my-image:latest
          restartPolicy: OnFailure

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Frequently asked questions

What is the cron expression for each hour linux crontab (2026)?

The cron expression is 0 * * * *. Cron each hour Linux crontab setup for 2026 using 0 * * * *. Learn safe hourly scheduling, overlap prevention, and practical logging patterns for Linux servers.

How do I schedule a cron job to run each hour linux crontab (2026) in Linux?

Open your crontab with "crontab -e" and add a new line: 0 * * * * /path/to/your/script.sh — this schedules your script to run each hour linux crontab (2026). Save and exit; the cron daemon picks up the change immediately.

What does the cron expression "0 * * * *" mean?

Cron each hour Linux crontab setup for 2026 using 0 * * * *. Learn safe hourly scheduling, overlap prevention, and practical logging patterns for Linux servers.

Can I use "0 * * * *" in GitHub Actions?

Yes. In your workflow YAML, set the schedule trigger: on: schedule: - cron: '0 * * * *'. GitHub Actions uses standard 5-field Unix cron syntax, so this expression works as-is.

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