NRPE - Nagios Remote Plugin Executor, used to remotely execute Nagios plugins.

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1k views

Why is my Powershell script returing extra output when run by Nagios NRPE?

I have a Powershell script that I'm running via nrpe as an external script. The windows server (2008) is running nsclient++ (nscp.exe) v 0.4.1.102. The return section of my powershell script looks ...
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1answer
364 views

check_nrpe socket time out on monitored machine

While setting up nrpe monitoring on a new dev machine, I've run into a bit of a snag. I've followed all of the recommend steps I could find, and still to no avail. Executing /usr/lib/nagios/plugins/...
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4k views

Nagios check_procs returns wrong value when called from NRPE

I have added the following line in nrpe.conf of a monitored server say named myserver: command[check_mysrv_process]=/usr/lib/nagios/plugins/check_procs -c 1: -C java -a mysrv which works locally as ...
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1answer
707 views

NSCLIENT\NRPE doesnt handle arguments with white spaces

I have a short script that prints out an argument being sent to it. Suppose I send over "print this", no matter what I do it always prints out only "print". I have tried with either powershell or ...
2
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1answer
9k views

Passing arguments to a Powershell Script using Nagios NRPE

Short powershell script for testing: $test = $args[0] echo "this works" echo "I transferred $test" exit 0 nsclient.ini settings: # If you want to fill this file with all avalible options run the ...
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2answers
1k views

I've created a Nagios check but it keeps returning NRPE:Unable to read output, any idea why?

I created a Nagios check which checks our pacemaker using the crm_mon command. The check is configured in the same way on both Nagios server and client's nrpe.cfg: The command definition in nrpe.cfg ...
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6answers
8k views

Nagios NRPE: Command “my_command” not defined

I have installed Nagios® Core™ 3.5.1 and NRPE v2.14 on my client which running RHEL 6.3 I have this error message on my Nagios NRPE: Command 'check_mysql_connections' not defined On my nrpe.cfg I ...
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314 views

Nagios nrpe commands error out with asterisk

as the nrpe user when Command: /scripts/nagisk.pl -c version Outputs: Asterisk 1.8.11-cert10 Using nrpe Command: /usr/lib/nagios/plugins/check_nrpe -H [HOSTNAME] -c check_asterisk_version Outputs: ...
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1answer
5k views

NSClient++: external script with optional arguments

I am trying to define an external script which would take optional arguments in NSClient++ 0.4.1 on Windows. Following the nsclient-full.ini example code I have defined mycheck=cmd /C echo C:\mydir\...
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2answers
8k views

Nagios NRPE “No Output returned from plugin“ error

So I've just started configuring Nagios in my environment and I'm getting the above error when trying to user the NRPE plugin. The host file is as follows: define { host_name servername ...
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1answer
2k views

Nagios nrpe no handler for command

so i have started setting up Nagios on our network and have the below issue : No handler for command CheckDisk . This happens no matter what command i run. ( full command i have been running is /....
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4answers
5k views

nrpe: Host is not allowed to talk to us

I installed nrpe on new servers. Nagios is already running and checking other server (I haven't installed). I've got several error lines in my syslog file : Oct 31 15:17:01 myservername nrpe[41848]: ...
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2answers
1k views

Check NRPE APT now working through Nagios

I'm able to monitor hosts' package statuses via terminal; but Nagios web ui gives an error like this: (No output returned from plugin) Here's the command that works properly via terminal: /usr/lib/...
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3answers
23k views

Nagios: NRPE: Unable to read output, Can't find the reason, can you?

I have a Nagios server and a monitored server. On the monitored server: [root@Monitored ~]# netstat -an |grep :5666 tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN ...
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1answer
490 views

sudo: PAM audit_log_acct_message() failed: Permission denied

.. any time I'm run sudo through NRPE, I'm get a following message in my /var/log/secure, and I can't figure out how to resolve it. sudo: PAM audit_log_acct_message() failed: Permission denied ...
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2answers
4k views

nrpe dead but pid file exists on CentoS 6.4 client

I have a similar problem like it was on question Memcached status returning "memcached dead but pid file exists" but I can't solve it. My Nagios client is CentOS 6.4 and NRPE won't work ...
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2answers
1k views

NRPE Issue Unable to Read output Check_Access_Log

In NRPE running xinetd I am able to run the script locally, but NRPE reports unable to read output when trying to run it remotely. Any suggestions?: [root@travel log]# /usr/local/nagios/libexec/...
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1answer
546 views

NRPE monitor a python process

I am new to Nagios. I understand setting up the service, etc. but I want to monitor some specific python processes that are running. When I set up the check_procs command for it to I give the -C ...
0
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1answer
1k views

Unable to ping remote server Nagios

We've recently set up Nagios on one of our Amazon EC2 instances to act as a monitoring server to our other instances. nrpe was installed on our staging server stager and appears to be working fine: ...
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1answer
302 views

Nagios: bash is missing

I'm monitoring NTP server with nagios and nrpe, at the nagios server, when I get the following error: Service Status UNKNOWN Status information I am missing an important component : bash The plugin ...
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1answer
2k views

NRPE: Unable to read output CentOS6

I am monitoring a CentOS 6 machine with NTP service installed. The monitoring server is a CentOS 5 machine with Nagios and Centreon. I'm using NRPE for monitoring remote hosts, and I get the following ...
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1answer
5k views

CHECK_NRPE: Error - Could not complete SSL handshake

I've just moved to a new nagios server and have got all the old hosts/services working. There is just one host that will not allow nrpe checks, producing an error on the nagios server as in the title. ...
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1answer
2k views

Nagios/NRPE how to check all filesystems mounted below opt

I have multiple mount points beneath /opt/virt/img, each of them an LVM logical volume formatted with ext4 and containing a qcow2 disk image for a running VM. I want to know when those volumes are ...
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1answer
54 views

What agent is this nagios host using (if any)

I disabled nrpe via service nrpe stop. It is not running. Neither is snmpd running. I still have seen the status checks for disk space, ping, http, etc all running for this host. How do I ...
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1answer
609 views

Monitor worker process with nagios

I am working on setting up Nagios monitoring. I was able to setup and monitor the system processes. Now, I am working on setting up monitoring for custom running processes. We are having python ...
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2answers
4k views

Check if puppet agent is up to date

I would like to check with my nagios monitoring if every node use current catalog version provided by puppetmaster. In my situation, there are: puppetmaster host1 host2 hostX I would like to ...
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1answer
429 views

Cannot find a download source for Nagios NRPE for RHEL6

I need to install Nagios NRPE on Red Hat Enterprise Linux Server 6.0, but every guide I've found so far describes compiling it from source. This system does not have gcc installed and it is firewalled ...
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2answers
3k views

NRPE Warning threshold must be a positive integer

OS: Ubuntu 12.10 Server 64bits I've installed Icinga, with ido2db, pnp4nagios and icinga-web (last release, following the instruction given in the documentation, installation with apt, etc). I am ...
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3answers
579 views

Is there a way to install just a subset of NRPE checks?

I want to be able to check just a few things on a remote host from within nagios - cpu, memory etc, so, I am looking to install NRPE on the machine. NRPE wants to install Samba along with many other ...
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1answer
506 views

added shell script to sudoers still getting permission denied

I don't understand this? Other uses of sudo work fine. [oracle@o plugins]$ su Password: [root@ plugins]# su nrpe bash-3.2$ /home/oracle/obiee/instances/instance1/bifoundation/OracleBIApplication/...
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1answer
831 views

NRPE: Unable to read output with check_connections plugin

I'm using plugin which gives me warning or crtis with established connections. If I run it on local machine it gives: *root@graber:/usr/lib/nagios/plugins# ./check_connections -w 1 -c 5 -C sshd ...
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2answers
8k views

nagios NRPE: Unable to read output

I currently set up a script to restart my http servers + php5 fpm but can't get it to work. I have googled and have found that mostly permissions are the problems of my error but can't figure it out. ...
6
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1answer
1k views

NRPE and Perl - cannot include ANYTHING or it breaks

I've been banging my head off NRPE and Perl for weeks now. I decided to start from absolute first principles, and create a dummy nagios plugin that does nothing but always returns OK. I called it ...
4
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1answer
856 views

NRPE unable to read output - tried recommended troubleshooting in docs

I know this is a very common error where RTFM is usually the correct answer, but, I think I've covered all the obvious points. NRPE is running as the user nagios When I use sudo su - nagios to ...
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1answer
744 views

Megacli check returns “OK;NRPE: Unable to read output”

There is an icinga server set up to run check_megaraid_sas. It has been working beautifully for the last ~7 months. During this time several "Unable to read output" messages have shown up for a ...
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0answers
3k views

No handler for command 'CheckFileSize' in NSClient++

I am trying to set up monitoring of the size of folders on a Windows server from a Linux box through NRPE using NSClient++ (0.4.0.148-win64) . The basic setup is ok and I am for example able to issue ...
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4answers
8k views

nagios nrpe check_procs wrong return value

I have a problem with my nagios monitoring. I'm trying to check a process on a remote host using nrpe. The host was already been monitored by nagios, so I only needed to add a line to the nrpe.cfg ...
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1answer
655 views

Nagios checks for mulitple sendmail instance's mail queues

Is there an available perl script or any script for checking the mail queues of each instance of sendmail? So that we can use that on nagios nrpe, since the mailq command is only designed for one ...
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2answers
773 views

nagios nrpe plugin output not complete

I have written a small script to check the states of PfSense, and using this script to get the output in nagios, through NRPE... Here is the script used=`pfctl -s state | wc -l | bc | cut -c1-5 | ...
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3answers
607 views

looking for NRPE services code

i am looking for the NRPE services code that allow to connect to the remote host to check :- http service connect on port 80 or custom port ssh service on port 22 or custom port since the check disk ...
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5answers
304 views

NRPE Home Directory

I'm using NRPE and I a rather annoying problem. I need a couple temporary files written to the home directory of the user NRPE is running under (nagios). I checked that the /etc/passwd entry for ...
4
votes
4answers
9k views

NRPE and the $USER1$ variable

I have NRPE daemons running on all of my remote Linux boxes. I have a couple configurations in place and I'm trying to standardize the paths in my nrpe.cfg. The changes are deployed via Puppet. I ...
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3answers
584 views

How can I make check_nrpe wait for my remote script to finish executing?

I have a python script that's being used as a plugin for NRPE. This script checks to see if a process if running on a virtual machine by doing an SSH one-liner with a "ps ax | grep process" attached. ...
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13answers
58k views

NRPE unable to read output, but why?

I have this problem with NRPE, all the stuff I've found so far on the net seems to point me at things I've already tried. # /usr/local/nagios/plugins/check_nrpe -H nrpeclient gives NRPE v2.12 as ...
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1answer
4k views

sudo nrpe sorry you must have a tty to run sudo

After reading this [root@wcmisdlin02 alexus]# tail -2 /etc/sudoers ## Read drop-in files from /etc/sudoers.d (the # here does not mean a comment) #includedir /etc/sudoers.d [root@wcmisdlin02 alexus]# ...
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2answers
525 views

NSClient++: running VirtualBox VM displayed as poweroff

I have to monitor a VM, runned in a Windows Server 2008 environment, using VirtualBox. I use Nagios to do the monitoring job. This process is executed in an Ubuntu Server environment. The ...
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2answers
705 views

Powershell default console size

I'm using NSCLient to run some NRPE checks on Windows Server boxes. The checks run Powershell scripts but the problem I'm having is NSClient is adding random line breaks after 79 characters. I'm ...
5
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2answers
6k views

Nagios NRPE check_procs reporting incorrect number

I have an etch nagios server (I will call this NagiosServer), successfully monitoring lots of stuff, including another etch server (MonitorEtch). Using check_nrpe and check_procs I'm able to check the ...
6
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4answers
7k views

Nagios remote monitoring: NRPE Vs. SSH

We use Nagios to monitor quite a few (~130) servers. We monitor CPU, Disk, RAM and a few other things on each server. I've always used SSH to run the remote commands, purely because it requires little ...
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2answers
13k views

NRPE: Unable to read output

I try to monitor MySQL database: [root@monitored.com ~]# su nagios -c /usr/lib/nagios/plugins/check_mysql Uptime: 18014 Threads: 1 Questions: 6 Slow queries: 0 Opens: 12 Flush tables: 1 ...