Questions tagged [nrpe]
NRPE - Nagios Remote Plugin Executor, used to remotely execute Nagios plugins.
164
questions
0
votes
1
answer
80
views
Remote call of NRPE comman fails in one case, while succeeding locally in all
I have amazingly strange issue with monitoring a CIFS (SMB) shared folder mounted to Linux machines by Nagios + NRPE.
NRPE process runs on the Linux machines under dedicated user nrpe:
# systemctl ...
- 155
0
votes
1
answer
183
views
check_ssh returning Permission denied
I'm a long time Nagios fan, like 15 years. In one of my environments, I have Nagios and NRPE running on several Linux hosts and everything has been working as expected for several months. I recently ...
1
vote
1
answer
241
views
Not able to read a file on nagios client on Ubuntu 22.04
I just installed nagios and nrpe-version nrpe-4.1.0 on Ubuntu 22.04. Its a host machine which connects to nagios server. When I'm passing a check to run a script /usr/local/nagios/libexec/check_sync....
- 11
0
votes
1
answer
57
views
Exclude Service with spaces in name in NRPE arguments
exclude=edgeupdate = working fine
exclude=Sophos Clean Service = not working
what syntax do I have to use here?
- 1
1
vote
1
answer
431
views
No argument works witch the command check_drivesize
I querry a Windows Server where NSClient++ is installed with NRPE.
The matter is I can't pass any filter/argument with the command check_drivesize !
This is the command :
/usr/lib64/nagios/plugins/...
- 31
0
votes
0
answers
14
views
NRPE: Command 'check_ssh' not defined [duplicate]
We have a new Nagios Core server monitoring Linux hosts running NRPE plugins. Most of them are working as expected, but the SSH Monitor is failing with "NRPE: Command 'check_ssh' not defined&...
0
votes
1
answer
263
views
nagios-nrpe-server output different vs running locally
To be sure I don't have any double definition of the command, I created a new debug command name in the nrpe config
/etc/nagios/nrpe.d # grep -R debug
debug.cfg:command[debug_check_disks]=/usr/lib/...
- 2,240
0
votes
1
answer
553
views
Linux server nrpe nagios check_procs process state monitoring - need info, when process is restarted
I need to be informed by nagios when a process on a remote server is restarted.
The only thing I do not know how to do is to check its process state, and what way to do it?
I got in remote server this ...
- 9
0
votes
2
answers
311
views
How to properly display accentuated characters in a check_nrpe result based on a Powershell script?
I have a custom Powershell script called by Nagios using "check_nrpe". Currently all check results output messages with special characters like 'è', 'é' or 'à' are not displayed properly ...
- 103
0
votes
1
answer
542
views
Nagios: NRPE unable to read output
I really hope that someone can provide a solution for me. I have check_memory to check my remote hosts, but no matter what I try, I keep getting "NRPE unable to read output" on the Nagios ...
- 1
0
votes
1
answer
519
views
Nagios server is not detecting if client vm's are rebooted
I have configured nagios server and added 30+ physical servers and 25+ vm's. All the configuration has completed and nagios server is monitoring servers,vm's and services.
But when I am rebooting a vm,...
- 3
1
vote
1
answer
383
views
A check_nrpe command doesn't work from nagios server since debian upgrade
Yesterday I upgraded a server from Debian 9 to Debian 10. This server is supervised with nagios. Since the upgrade, I get an alert, status Unknown saying :
"Volumegroup array03-0 wasn't valid or ...
- 13
0
votes
1
answer
282
views
Two nagios instances in the same machine
After days of surfing on the net and trying by myself, I urgently need your help.
So, I have Nagios Core 4.4.3 installed in my centos machine that I use to monitor PROD and TEST environnement of one ...
- 3
0
votes
1
answer
414
views
Nagios - check procs and --metric=elapsed on the same service
After many days of working and searching onn the net, I'm getting back to you as a last chance for help.
I'm working actually on monitoring unix process with nagios core 4.4.3 with nrpe .
My goal is ...
- 3
0
votes
1
answer
1k
views
NSClient++ rejects connection or fails to send info
I'm trying to get to work some active checks on Windows endpoint machines, NSClient++ works just fine with my Windows servers but when it comes to checking any endpoint the only response I get is ...
- 1
1
vote
2
answers
2k
views
Nagios NRPE won't allow arguments
I am trying to use a Nagios NRPE plugin to communicate with my servers. I have a command definition in /etc/nagios/nrpe_local.cfg to use it:
command[check_service]=/usr/lib/nagios/plugins/...
- 885
0
votes
2
answers
2k
views
nrpe for Windows - filter and arguments change threshold values
i have my monitoring Linux server with
NRPE Plugin for Nagios
Version: 3.2.1
and i installed on the windows machine NSClient++ with this .bat script.
set setupfile="NSCP-0.5.2.35-x64.msi"
msiexec /...
- 165
1
vote
1
answer
391
views
Talking to NRPE2 clients from an NRPE3 server
I'm standing up a new Nagios server, and I have run into a bit of a snag. Our existing server is running FreeBSD 11 w/ Nagios 4.3.4 and nrpe2. It can communicate w/ the nrpe2 daemons on our various ...
- 375
0
votes
1
answer
297
views
Monitor unix process with Nagios Core
I'm begginer with Nagios and i'm trying to monitor if a specific process on my unix machine is up or not.
Server and client are on the same machine : Trying to monitor that machine from a Nagios ...
- 3
0
votes
1
answer
552
views
icinga2: nrpe check_service gives server wrong result
I'm trying to get some third-party and my own custom checks running.
The current test setup consists of one icinga(web)2 CentOS 7 server and one CentOS 7 client with NRPE installed within the same ...
0
votes
1
answer
1k
views
spaces in nagios argument ruining command - check_NRPE
I have a Nagios NRPE command failing to accept an argument that includes a white space. I'll include a list of everything I've tried at the very end. Here's examples of how my setup is:
In the ...
3
votes
3
answers
4k
views
NRPE not working after NRPE plugin upgrade from v2.15 to v3.2.1
I'm migrating our Icinga 2 from Debian 8 to Ubuntu 18.04. The old server had NRPE plugin 2.15. The new server has NRPE plugin 3.2.1.
If I try to connect with the new plugin to old NRPE servers (v2.15 ...
- 345
6
votes
1
answer
7k
views
Systemd PrivateTmp=true security implications
I monitor the available disk space on Ubuntu servers using Nagios Core, NRPE and check_disk.
With previous Ubuntu versions, I used to get an output similar to this:
DISK OK - free space: / 43754 MB (...
- 1,115
0
votes
1
answer
183
views
Nagios notifications coming from NRPE client machine (NOT the Nagios server)
I have Nagios running on a Debian Jessie master server, with NRPE running on a Debian client. The root@localhost is getting a slew of emails - apparently originating from Nagios (NRPE) on the client, ...
- 525
0
votes
1
answer
822
views
Security advantages: check_by_ssh versus check_nrpe
The question is which is more secure - as opposed to which is better from a configuration standpoint.
I have a number of Centos and Debian systems. The NRPE daemon is installed and working on all ...
- 525
1
vote
0
answers
559
views
NRPE agent works on 1 server, but not on the other, exactly same command
I have a very strange issue.
It seems that when I execute a check_nrpe command to check the load on remote machines, it works on server1, but exactly the same command does not work on server2, and it ...
- 39
0
votes
1
answer
45
views
nagios/nrpe user confined to certain dir on ubuntu [closed]
I am confused. Not that is difficult to get me in a confused state, but I am so confused, that I don't know what my name is or where I live (like Baldrick!).
Anyway, I have nrpe installed on a client ...
- 173
0
votes
1
answer
329
views
Nagio NRPE - Always return 0
I'm trying to execute a bash script in nagios by using nrpe client, but it is always returning "0" value as output.
If i'm using this command in the script:
_VAR=$(atop -r file.atop | grep '^DSK' |...
- 115
0
votes
1
answer
162
views
Nagios Docker Stack Plugin works locally but not remote
I have a plugin to check the services running on docker.
I've gone through all of the suggestions from the dozens of posts I have seen here, but I'm still not able to get this to work.
The commands ...
- 162
1
vote
1
answer
332
views
NRPE: Command substitution in nrpe.cfg
I would like to check the size of a log file created day earlier. In nrpe.cfg I have tried to achieve this through command:
command[example_command] =/usr/lib64/nagis/plugins/check_file_age -w 172800 ...
- 33
-1
votes
1
answer
158
views
Checking if a programm is running on linux
i'm trying to check if a program on a linux server is running and start it if not. But i get strange errors:
#!/bin/sh
SERVICE=nrpe
ps -ef | grep -v grep | grep $SERVICE | wc -l
if [ $? -gt 1 ]
...
- 85
-2
votes
1
answer
858
views
How to monitor an AWS instance (Linux system) using nagios in local machine as server via nrpe plugin [closed]
I have my nagios core installed in an local machine(linux 16.04), which is perfectly monitoring my local remote machines. But i want to monitor an AWS instance (linux machine) using the same local ...
- 101
1
vote
1
answer
5k
views
NRPE: Unable to read output - Permissions issues
I am trying to be as clear as possible: my brain is going to explode, like those explodding kittens.
Both machines Centos 7:
[[email protected]]# cat /proc/version
Linux version 3.10.0-693.11.6.el7....
- 11
-2
votes
1
answer
421
views
Python script doesn't work when executed from NRPE
I have developed a Nagios plugin using Python3 for checking some backups. If I run the script from the client, everything works fine, but when I run it from the Nagios server using NRPE, it doesn't ...
- 13
0
votes
1
answer
427
views
Nagios in Docker - Source IP SNAT for NRPE isue
Nagios Server is running in a docker container. It's reaching out for host checks through NRPE running on various hosts within the network.
The docker host is 10.10.100.100
Iptables ONLY allows ...
- 2,207
1
vote
1
answer
3k
views
Running plugins with NRPE as root: NRPE unable to read output
I have a problem with nagios and NRPE and I can't resolve it.
I've already tried.
# grep "nrpe_user=" /etc/nagios/nrpe.cfg
nrpe_user=nrpe
NRPE is running as the user nrpe. So I added this lines to ...
- 11
0
votes
0
answers
614
views
SELinux prevents NRPE to run properly in RHEL 6.8: Could not complete SSL handshake with
I downloaded nrpe-3.2.0.tar.gz and nagios-plugins-2.2.1.tar.gz, extracted, compiled and installed in a RHEL 6.8 64-bit box.
It runs fine when SELinux status is Permissive, but it does not work in ...
- 285
2
votes
1
answer
413
views
NRPE daemon turns ::1 into 52.0.0.0/14 subnet
I configured NRPE daemon (/usr/local/nagios/etc/nrpe.cfg) in debug mode because of some startup problems and I realized that the ::1 found by default in the allowed_hosts directive:
allowed_hosts=127....
- 285
1
vote
0
answers
101
views
Error while Checking the KMS service count using Nsclient
I'm getting following error.
NSClient version: 0.5.0.65 2016-11-13
nsclient.ini:
[/modules]
CheckWMI = enabled
Syntax:
./check_nrpe -H 10.122.33.96 -c check_wmi -a "query=Select * from ...
0
votes
1
answer
503
views
Need Critical alert for Particular Event id is not generated with in 24 hours
I am using CheckEventLog of NSClient++ 0.5.0.62 2016-09-14
how to use syntax for , if particular event id is not generated with in 24 hours i need critical alert , if event id generated i need ...
0
votes
1
answer
340
views
Automated NRPE checks yield warnings but work when performed manually
I'm monitoring several hosts using Nagios. This works fine when I use "normal" checks that are executed on the monitoring host (say, check_http). However, I'm having troubles with NRPE-based checks ...
- 224
1
vote
0
answers
111
views
Nagios/NRPE work on some nodes only
I wrote a custom check in bash, and run it on 4 different servers. Two of them work fine, and the other two fail when checking if a file exists with:
if [ ! -f $LOGFILE ]
By "fail" I mean that on ...
- 111
1
vote
0
answers
229
views
getting NRPE: Unable to read output when running from server
I am getting NRPE: Unable to read output when trying to connect to the docker container using nagios.
When I run this script directly on the client machine it is successfully returning me the number ...
- 31
0
votes
1
answer
819
views
Nagios3 to Icinga migration breaks nrpe checks
I have upgraded a server from Debian 8 to Debian 9. The server was running Nagios 3 to do some checks but that has been discontinued. The natural replacement is Icinga (version 1).
I've installed it ...
- 166
0
votes
1
answer
358
views
Monitor JMX with Nagios for space on name
We are trying to monitor JMX with Nagios XI and using check_jmx Plugin. Its working fine for Heap memory, thread count etc..We re facing issue on while using the following:
obj": "java.lang:type=...
- 575
1
vote
1
answer
217
views
Unable to get vm-list for KVM using nrpe check
I created check in KVM virtualized host to get list of available VM's in KVM hypervisor using below command.
$ cat /usr/local/nagios/libexec/check_kvm
#!/bin/sh
val=`virsh list --all | sed '1,2d' | ...
1
vote
1
answer
559
views
Occassional or Frequent CHECK_NRPE: Error – Could not complete SSL handshake
My Nagios/NRPE is configured and working as expected for a few years now. Occasionally or sometimes even very frequently in a day I get "CHECK_NRPE: Error – Could not complete SSL handshake". Is ...
- 11
0
votes
0
answers
861
views
Is installing NRPE on an ESXi for monitoring purpose a good idea?
I am using Centreon to monitore our VMs.
I've also VM backups done on the ESXi (5.5.0) with ghettoVCB and sent to a NAS mounted on NFS.
Now I would like to monitore those backups with a home made ...
- 11
0
votes
1
answer
2k
views
nagios-plugins - check_ntp_time not detecting an incorrect offset
I have the following ntp check on my server for Nagios via NRPE
/usr/local/nagios/nrpe_plugins/check_ntp_time -H localhost -w 0.5 -c 1 -q
When changing the date manually via the date command to a ...
- 537
0
votes
1
answer
130
views
How do I monitor the NRPE daemon on remote Icinga servers
Our network has one Icinga master and 23 Icinga satellites. NRPE runs on every satellite as well as the master. Is there a Nagios plugin I can run on the master to monitor whether nrpe is running on ...
- 921