Nagios : check_ping CRITICAL - popen timeout received, but no child process

[root@ibm /usr/local/nagios/libexec]# ./check_ping -H titik.org -w 3000.0,80% -c 5000.0,100% -p 5
CRITICAL - popen timeout received, but no child process
try the CVS snapshot at http://nagiosplug.sf.net/snapshot
[root@ibm ~]# wget http://nagiosplug.sourceforge.net/snapshot/nagios-plugins-HEAD.tar.gz
–2008-12-15 14:10:52–  http://nagiosplug.sourceforge.net/snapshot/nagios-plugins-HEAD.tar.gz
Resolving nagiosplug.sourceforge.net… 216.34.181.96
Connecting to nagiosplug.sourceforge.net|216.34.181.96|:80… connected.
HTTP request sent, awaiting response… 200 OK
Length: 1845366 (1.8M) [application/x-gzip]
Saving to: `nagios-plugins-HEAD.tar.gz’
100%[===========================>] 1,845,366   8.15K/s   in 3m 34s
2008-12-15 14:14:29 (8.41 KB/s) - [...]

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Filed under:Error

Nagios : CRITICAL - Could not interpret output from ping command

Host Status:
DOWN
(for 0d 0h 48m 36s)
Status Information:
/bin/ping -n -U -w 30 -c 5 67.15.225.4
CRITICAL - Could not interpret output from ping command

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Filed under:Error

Error Starting nagios : Permission denied

root@titik.org [/home/nagios]# /etc/init.d/nagios start
Starting nagios:su: warning: cannot change directory to /home/nagios: Permission denied
-bash: /home/nagios/.bash_profile: Permission denied
 done.

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Install Nagios Plugins and NRPE Addon

Nagios® is an Open Source host, service and network monitoring program. Where can you get it? Right here. Can you get support for it? Yes! Get more answers to some of your basic questions about Nagios here.
root@titik [~/herman]# wget http://transact.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.12.tar.gz
–10:41:05–  http://transact.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.12.tar.gz
Resolving transact.dl.sourceforge.net… 202.55.147.10
Connecting to transact.dl.sourceforge.net|202.55.147.10|:80… connected.
HTTP request sent, awaiting response… 200 OK
Length: 1831377 (1.7M) [application/x-gzip]
Saving [...]

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Filed under:How To

Error Starting up NRPE daemon

root@titik [/usr/local/nagios/etc]# /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
root@titik [/usr/local/nagios/etc]# tail -f /var/log/messages
May 23 22:19:57 titik nrpe[3306]: Starting up daemon
May 23 22:19:57 titik nrpe[3306]: Network server bind failure (99: Cannot assign requested address)
Solusi :
edit /usr/local/nagios/etc/nrpe.conf
correct server_address
and try again
root@titik [/usr/local/nagios/etc]# /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
root@titik [/usr/local/nagios/etc]# tail -f /var/log/messages
May 23 22:40:53 titik nrpe[22116]: Starting up daemon
May 23 22:40:53 titik nrpe[22116]: [...]

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Nagios NRPE Command for checking exim queue count

Nagios NRPE Command for checking exim queue count
Written by Sayid Munawar <ayik@freebsd.or.id>
script skeleteon based on check_log written by Ethan Galstad (nagios@nagios.org)
Last Modified: August 5, 2006
Usage: ./check_eximq [-w count_warn] -c [count_crit]
Description:
This plugin will get output from exim -bpc. That is the count for current exim queue
if output is below count_warn then will return OK,
if output is [...]

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Filed under:Script