Regularly check the network status of Unraid and restart if necessary.

Jul 19, 2023#unraid #tech254

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This is a simple script written to solve the problem of machines suddenly losing their IP address. It uses the unraid CA User Scripts Plugin. The script pings a website and if it fails, it restarts the machine and logs the event. The script is set to run every 30 minutes using cron.

The main purpose is to solve the problem of the machine suddenly dropping its IP address, so I wrote a simple monitoring script.

This is a simple trick, you can directly use the User Scripts Plugin of unraid CA.

Create a new script, fill in the name and description as you like, and the script content is as follows:

#!/bin/bash
ping fun2ex.com -c 1 >/dev/null
if [ $? -ne 0 ];then
# powerdown -r
echo `date` powerdown restart >> /tmp/powerdown_logs.txt
fi

corn-check-network-for-unraid-1

The check time is set manually, just add it according to the cron rules. Considering the time for the array to shut down, I set it to check every 30 minutes.

# cron setting
*/30 * * * *

corn-check-network-for-unraid-2

--EOF--