NRPE2 and OpenBSD3.2 ?

[Greg King]

In a lab I have installed Nagios1.1 & nrpe2 on a RedHat 8 system(z3), and
nrpe2 on a 2 other machines - a RedHat7.2 and an OpenBSD3.2. In all cases I
compiled nrpe and the Nagios plugins 1.3.1 on the target machines. 

 

When I test check_nrpe to the openBSD system (eniac) the test times out, and
the target system gets very busy (100% cpu) for a minute or so then returns
to normal. I've turned on debug but there doesn't seem to be any errors in
the logs. FAQs and Google searchs have come up empty as well. The RedHat7.2
system works beautifully. The plugins themselves work fine on the target
system. 

 

Has anyone seen this before? Any ideas how to dig deeper into the issue?

 

Some info that may help:

Test command on nagios system:

[root at Z3 root]# /usr/local/nagios/libexec/check_nrpe -H eniac -c check_load

CHECK_NRPE: Socket timeout after 10 seconds.

 

Info from target system (filtered for relevant output):

eniac# ps -ax

  PID TT   STAT      TIME COMMAND

    1 ??  Is      0:00.21 /sbin/init

 9148 ??  Is      0:00.94 syslogd

30864 ??  Is      0:00.32 inetd

14784 ??  Is      0:35.00 /usr/sbin/sshd

12315 ??  Is      0:00.22 cron

13717 ??  Is      0:05.23 nmbd

20666 ??  Is      0:01.17 sendmail: accepting connections (sendmail)

11646 ??  Is      0:03.37 sshd: greg [priv] (sshd)

20234 ??  I       0:02.38 sshd: greg at ttyp0 (sshd)

 2304 ??  Is      0:00.08 /usr/sbin/nrpe -c /etc/nrpe.cfg -d

30385 ??  R       0:33.50 /usr/sbin/nrpe -c /etc/nrpe.cfg -d

23215 p0  Is      0:00.27 -sh (sh)

20489 p0  R       0:00.93 -csh (csh)

29348 p0  R+      0:00.03 ps -ax

29783 C0- I       0:06.15 /usr/local/sbin/snmpd -c /etc/snmpd.conf

 7770 C0  Is+     0:00.21 /usr/libexec/getty Pc ttyC0

10583 C1  Is+     0:00.20 /usr/libexec/getty Pc ttyC1

  431 C2  Is+     0:00.20 /usr/libexec/getty Pc ttyC2

   55 C3  Is+     0:00.21 /usr/libexec/getty Pc ttyC3

 1380 C5  Is+     0:00.21 /usr/libexec/getty Pc ttyC5

eniac# netstat -a |grep nrpe

tcp        0      0  *.nrpe                 *.*                    LISTEN

eniac# tail /var/log/daemon

Feb 20 15:44:08 eniac nrpe[23554]: INFO: SSL/TLS initialized. All network
traffic will be encrypted.

Feb 20 15:44:08 eniac nrpe[2304]: Starting up daemon

eniac#

eniac# tail /var/log/messages

Feb 20 15:44:08 eniac nrpe[2304]: Starting up daemon

eniac#

eniac# grep -v -e # /etc/nrpe.cfg

server_port=5666

allowed_hosts=192.168.0.5

nrpe_user=nagios

nrpe_group=nagios

dont_blame_nrpe=0

debug=1

command_timeout=60

command[check_users]=/usr/local/libexec/check_users -w 2 -c 5

command[check_load]=/usr/local/libexec/check_load -w 15,10,5 -c 30,25,20

command[check_disk1]=/usr/local/libexec/check_disk -w 10 -c 5 -p /

command[check_disk2]=/usr/local/libexec/check_disk -w 20 -c 10 -p /

command[check_zombie_procs]=/usr/local/libexec/check_procs -w 5 -c 10 -s Z

command[check_total_procs]=/usr/local/libexec/check_procs -w 150 -c 200

eniac#

eniac# /usr/local/libexec/check_load -w 15,10,5 -c 30,25,20

OK - load average: 0.06, 0.14, 0.17

Eniac#

 

 

Regards,

Greg King

wgking at cips.ca

 

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