CHECK_NRPE: Error - Could not connect to . Check system logs

[anilgupta]

however, it is breaking from Nagios Server.

When I pass command without parameter as below, it works.

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[guptaa@cacbigdcapmdw51 ~]$ /usr/local/nagios/libexec/check_nrpe -H 10.92.34.66 -t 30 -c check_cpu_stats
CPU STATISTICS OK : user=0% system=0%, iowait=0%, idle=100%, nice=0.00%, steal=0.00% | CpuUser=0%;70;90;0; CpuSystem=0%;40;60;0; CpuIowait=0%;30;40;0; CpuIdle=100%;0;0;0; CpuNice=0.0%;0;0;0; CpuSteal=0.0%;0;0;0;

Please suggest

[lmiltchev]

I would recommend that you upgrade your NRPE agent to v3. Here's our KB article on installing NRPE v3 from source:

https://support.nagios.com/kb/article/n ... e-515.html

[anilgupta]

I would recommend that you upgrade your NRPE agent to v3. Here's our KB article on installing NRPE v3 from source:

NRPE upgrade will be done in different phase of this project. In this phase we have planned to use the existing agent.

Please suggest if we can achieve it with the given version.

Secondly, I am getting

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"CRITICAL - 10.92.34.66: rta nan, lost 100%"

for my host status.
How does "Host Status" work, meaning does it use specific port to get the status?

[npolovenko]

@anilgupta , In this case, I'd recommend hardcoding arguments in the nrpe.cfg file itself. Your nrpe agent version is old and was likely compiled without the functionality of accepting arguments. In the future, you should consider upgrading the agent as @lmiltchev recommended.

[anilgupta]

@anilgupta , In this case, I'd recommend hardcoding arguments in the nrpe.cfg file itself. Your nrpe agent version is old and was likely compiled without the functionality of accepting arguments. In the future, you should consider upgrading the agent as @lmiltchev recommended.

I will do. Thanks

Secondly, I am getting
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"CRITICAL - 10.92.34.66: rta nan, lost 100%"
for my host status.
How does "Host Status" work, meaning does it use specific port to get the status?

Can you please comment on below host status?

[npolovenko]

@anilgupta, Host status check is using ping(icmp). Are you able to ping the Solaris server(10.92.34.66) from the Nagios XI server? It says there's 100% packet loss. Make sure that the monitored host is ICMP(ping) discoverable and that there are no network issues.