System Reboot Scheduler

Bash script to set up a cron job to reboot the system if the uptime exceeds a specified number of days, or if the file /var/run/reboot-required exists.

It is designed for system administrators who want to ensure their systems are regularly rebooted for maintenance or security updates.

Features

• Checks system uptime and schedules a reboot if it exceeds the specified threshold.
• Monitors the existence of /var/run/reboot-required to schedule a reboot.
• Flexible scheduling options for the reboot time and day.

Prerequisites

• The script requires root or sudo privileges to create a cron job in /etc/cron.d.
• Bash environment (Debian/Ubuntu).

Usage

1. Clone the repository or download the script.
2. Make the script executable:

   chmod +x reboot_required

3. Run the script with the desired parameters:

   reboot_required max_days [hour [min [dow]]]

   • max_days: The maximum number of days the system can be up before a reboot is scheduled.
   • hour (optional): The hour of the day when the reboot should occur (0-23). Default 1.
   • min (optional): The minute of the hour when the reboot should occur (0-59). Default 0.
   • dow (optional): The day of the week when the reboot should occur (Sun, Mon, ..., Sat, OR 0-7 where 0 or 7 is Sunday). Default is '*' (any day).

Example

To schedule a reboot if the system has been up for more than 7 days, or if /var/run/reboot-required exists, at 03:00 on Sunday:

sudo reboot_required 7 3 0 Sun

Contributing

Contributions are welcome. Please open an issue or submit a pull request with your improvements.

(https://github.com/Open-Technology-Foundation/reboot_required)

License

Distributed under the GPL3 License. See LICENSE for more information.

Author

• Gary Dean, garydean@yatti.id

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Note: This script is provided as-is without warranty. Please review the script before using it in a production environment.