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- Fri Feb 12, 2021 3:19 am
- Forum: Open Source Nagios Projects
- Topic: Connection Refused on check_pop!
- Replies: 2
- Views: 1163
Re: Connection Refused on check_pop!
Hi Folks, I am running Nagios on a RPi4. I am trying to monitor the status of a Siemens PLC (Programmable Logic Controller), I get a status that the device is down with the following error: check_ping: Invalid hostname/address - [192.168.102.200] When I run the check_ping command from a terminal I ...