To install Mosquitowget http://repo.mosquitto.org/debian/mosquitto-repo.gpg.keysudo apt-key add mosquitto-repo.gpg.keycd /etc/apt/sources.list.d/sudo wget http://repo.mosquitto.org/debian/mosquitto-buster.listsudo apt updatesudo apt upgradesudo apt full-upgradesudo apt install mosquittosudo apt install mosquitto-clients
Amazon Alexa devices don’t respond to ping so the default check-host-alive command doesn’t establish whether Alexa is up or down. She does respond, however, to NMAP requests and these instructions provide a way to do that.
Introduction Having got email notifications working from Nagios and being inundated with emails that I will no doubt ignore I got to thinking about how I could automate various other tasks depending on the state of the network. Nagios “knows” what’s up and what’s not. I have various devices on my network that can switch …
This post is based on an article I read at https://www.unixmen.com/send-alerts-nagios-core-using-gmail-yahoo/ and assumes a working Nagios installation with at least a basic configuration as described here. However, I found that my configuration required some amendments to get it working. I found them by trial and error so decided to record my steps here for future …
This post describes the steps and principles involved in updating the default Nagios configuration to add a network host with a single service. It assumes a running Nagios system has already been setup as described here. Nagios Core is configured by editing text files which reside in one of the following directories: To direct Nagios …
What is Nagios? Nagios is a network monitoring and alerting system. Nagios Core is free and open-source. 1. Install OS and configure basic setup This is a topic worthy of an article that applies to a wider audience so I’ve written it separately – drop this entire article in here if you need these instructions …