Prerequisites

• Made for Unraid servers with UserScript Plugin, but will run on any Linux operating system with rtcwake command and sudo privileges.

Usage

Setting Wake-Up Time Edit the script and specify the wake-up time in the 24-hour format at the top of the script: The example below would wake the server at 16:18 or 4:18 PM.

time="16:18" # Set your desired wake-up time for your server here

What script does

• The script fetches the current system time and the user-specified wake-up time.
• It calculates the difference in seconds between these two times.
• If the specified time is on the next day, it automatically adjusts the calculation.
• Then, it uses rtcwake to put the server to sleep until the specified time.

Important Notes

• Ensure that your server supports the S3 (suspend to RAM) sleep state.
• Misconfiguration or incorrect time settings might lead to unexpected behavior ie not waking up at correct time !!