Node Monitoring Script
Bash script + telegram bot for monitoring node downtime
​Node01 has created a simple script to help validators monitor node downtime along with a handy telegram bot option for delivering alerts if your node does not sign a block in 5 minutes.

Nethermind monitoring script

https://01node.com/quick-and-dirty-way-to-monitor-your-xdai-validator-nethermind/
01node.com

OE monitoring script

Quick and dirty way to monitor your xDai validator #2 for Nethermind - 01node
01node
​