Nagios Support Forum

OK, fixed this myself. Turns out the problem was that pnp4nagios doesn't work in syncronous mode with nagios core 4.x. I found a load of errors in my Nagios event log relating to the service perfdata worker failing. Then I found this entry on another forum - http://www.monitoring-portal.org/wbb/inde...

Hey, Was using Nagios Core 3.5 for over 12 months along with pnp4nagios 0.6.21 I think in sync mode. All was working fine until last week I upgraded Nagios Core to 4.0.8. The upgrade went fine but today I noticed pnp4nagios although it looks to be working and shows me historical data, isn't recordin...

Thanks, didn't know about that PDF. Actually just solved the issue but not how I expected. I asked the team who used the VM if they needed a loopback NIC and they said they didn't, so I disabled it and NRPE started working OK. FWIW the output of that command showed below, but looks like it was the f...

HI, I have just rolled out NRPE to 50+ RHEL/CentOS VMs in my environment and they are all working fine except for one of them. On this VM I get the error CHECK_NRPE: Error - Could not complete SSL handshake. Now when I've had this in the past its an easy fix, either open-ssldevel install, the nrpe c...