HPC Community - Systems Management: "The Dell OpenManage Nagios Plug-in is a freely available, open source plug-in for the Nagios network monitor. By harnessing Dell OpenManage (OMSA), the plug-in provides the ability to monitor the overall health of supported Dell hardware models, all via the Nagios interface. Additionally, the Nagios notification mechanism may be used to provide alerts regarding system state based upon the information reported by the Dell OpenManage Nagios Plug-in."
Just found a great tip to prevent timeouts of PuTTY sessions. I'm fine with timeouts by the host, but in our case the firewall kills sessions after 30 minutes of inactivity... When using PuTTY to ssh to your Linux/Unix servers, be sure to use the feature to send NULL packets to prevent a timeout. I've set it to once every 900 seconds, i.e. 15 minutes... See screenshot on the right.
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