CronMaster
A modern web-based GUI for managing cron jobs with real-time logs, authentication, and Docker support.
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A modern web UI for cron jobs with live logs, system monitoring, and SSO support.
Core Features
- Modern UI with dark/light mode and responsive design
- System dashboard showing uptime, CPU, memory, GPU, network
- Full cron job management: view, create, edit, clone, delete
- Inline script editor for bash scripts used in jobs
- Optional job execution logging with stdout/stderr capture and auto-cleanup
What It Can't Do
- •⚠️ The Docker container must run as root to directly access the host's crontab. If you prefer not to use root, install and run locally via yarn. Also requires mounting /var/run/docker.sock. Test in a non-production environment first.
Use Cases
- Replace manual crontab editing for sysadmins managing multiple servers
- Share cron job configurations with team comments and scripts
- Monitor script execution in real time for backups, data sync, etc.
Cronmaster provides a beautiful, responsive web interface to manage cron jobs on your server. It supports dark/light mode, displays system info (CPU, memory, GPU, uptime), and lets you create, edit, clone, and delete cron jobs with optional logging. Real-time job status updates and live log streaming are powered by SSE. Secure it with password or OIDC SSO (e.g., Google, Authentik). REST API is available for external integrations. Docker deployment is recommended – it mounts the host's crontab directly for real-time sync.
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Getting Started
Download installer
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Install the software
Double-click the downloaded installer and follow the prompts
Step 1: Create a docker-compose.yml with minimal config from README, set your password
Step 2: Run docker compose up --build
Step 3: Open http://localhost:40123 and log in with your password
- Step 1: Create a docker-compose.yml with minimal config from README, set your password
- Step 2: Run docker compose up --build
- Step 3: Open http://localhost:40123 and log in with your password
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Stop the container: docker compose down -v, then remove scripts, data, snippets directories.
No Extra Dependencies
Ready to use after download. No additional runtime required.
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