Questions tagged [nagios]
Nagios is a monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.
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Debian 11, Nagios4, and 403 forbidden
Having installed Debian's Nagios4 package I can't access it. Apache gives me this:
AH01797: client denied by server configuration: /usr/share/nagios4/htdocs
I've tried various things, such as ...
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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 ...
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Nagios core GUI/UI fails to open after nagios-4.4.6-4 to 4.4.9-1 update on Rhel8
Nagios core GUI/UI fails to open after nagios-4.4.6-4 to 4.4.9-1 update on Rhel8 vm.
Whoops! Error: Could not read host and service status information!
Nothing in /var/log/nagios/nagios.log.
/sbin/...
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check_snmp plugin gets a value but returns UNKNOWN
I've got an SNMPv3 command in Icinga that uses the check_snmp Nagios plugin. The plugin completes the check and gets a response from the server (confirmed by running in verbose mode) but returns ...
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nagios services link not working whereas all other work
I have successfully installed nagios4 as a debian package on a debian 11 system.
Apache and Nagios4 are working perfectly, i have enabled mod_cgi as instructed.
All nagios4 web interface links are ...
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Is it possible to fine grain different types of notifications in Nagios?
I wondered if I could fine tune Nagios notifications
For example:
For most services, only CRITICAL notifications
For some individual services, both CRITICAL and WARNING notifications
For some other ...
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Which one to learn: Nagios or Zabbix?
I need to answer a network administrator student which tool is more useful in terms of "employability" at the moment : Nagios or Zabbix.
But this is not my field.
I've heard that Nagios had ...
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Nagios server can't see the Remote Desktop Configuration Service?
I've got an issue that has left me a bit baffled.
I'm setting up monitoring for about 15 RD session hosts. And it works on all of them, except one..
On this monitor, I'm getting No service named "...
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140
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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 ...
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425
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How to get SNMP on HP StoreOnce working?
I'm trying to add HPE StoreOnce 3640 Gen4 to the Nagios using SNMP v3 (other SNMP versions aren't supported in this device), and I'm stuck. It has the SW version 4.2.1-1942.21.
This is not the first ...
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How to monitor nginx application using Nagios on different server
I have Nagios monitor tool install on my one on the servers machine. There are some nginx service running on different server machine that I want to monitor using nagios. How can i monitor those nginx ...
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77
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Nagios BAT file not returning correct status code
I've written a batch file for a Windows server to detect whether a particular service is running and if it isn't, return a Critical status back to Nagios. The script works perfectly (as in, it can ...
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421
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What is difference between host checks and service checks in Nagios and why both are needed?
Nagios has two kinds of objects:
hosts, which represent systems with distinct IP addresses
services, which are associated with hosts
Each host is considered a collection of services; for example, we ...
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Nagios on a virtual network
I am trying to emulate a virtual network in Kathara (ex. NetKit), based on OSPF and BGP routing and I am new to this. After emulating the network I need to monitor it using Nagios, but my question is ...
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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&...
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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/...
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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 ...
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Naemon still sending DOWN notifications for removed host
I shutdown an old web server, and immediately started receiving DOWN notifications from Naemon.
Now I have removed that host entirely from the Naemon config, and restarted the Naemon service. Yet I ...
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Nagios check_nt MEMUSAGE average
there is a method to check the memory (RAM) usage by the average in windows? (Like CPULOAD -l minutes)
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Widget data in centreon is not coming due to accidental file deletion
I am on Centreon 2.8.22, I was playing with a certain widget and I accidentally extracted all the files of that widget in the widget folder. So then I was deleting all the files which was extracted ...
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Nagios - 'Error: Could not open config directory' but permissions are correct and selinux is permissive
Trying to setup a separate directory to store my nagios configuration files and when I attempt to validate the configuration I get the below error.
Error: Could not open config directory '/usr/local/...
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Monitoring Linux Servers behind squid proxy via Nagioscore
This is my first post here, please help me.
I want to monitor a few redhat servers which are behind a squid proxy server. I have done the below configuration:
RedHat Node behind proxy server ...
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291
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Mass acknowledging alert in NAGIOS
Good evening to all!
I was wondering around to find solution of mass acknowledging the alerts all at once for 500+ service notification in Nagios. After a long hardship, I came across building below ...
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247
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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 ...
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237
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Nagios check_procs not reporting processes not spawned by root
I am trying to set up Nagios to monitor the nginx service on my load balancer but have been unsuccessful in getting it to show the service being up. The command and service definition are below. It ...
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117
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Grafana false positive SNMP down
NOTE: I also have Nagios running on another server that reports bandwidth warnings and up/down status. Not a single switch is alerting from this, only Grafana.
Grafana version 1.14.1
I was receiving ...
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How to monitor login authentication using http_check nagios plugin
I'm using the http_check Nagios plugin to monitor an URL and I'd like to test if the login is working given specific user and password.
I've made several attempts with different approaches but none of ...
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Shinken probe on windows server but windows server on VPN network (monitoring server outside VPN)
I need to monitore a windows server with skinken, but this server is accessible with a VPN connection (with strong security, done by an electronic tool and human action).
The monitoring server is not ...
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434
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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 ...
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Nagios - Setting a host as down when passive checks freshness is expired?
The environment has only passive check enables. Active checks are not possible.
The objective of the configuration is that Nagios report a host as "Down" when the host has not reported ...
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Website Monitoring of Tor Onion Services [closed]
How can I monitor the uptime of my website's tor hidden service endpoint so I get an immediate notification if it goes offline? Bonus points for fancy monthly/yearly uptime reports.
I'd like to make ...
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Nagios alert to a file
Is there any way to store Nagios alert to a file.
We have a private network and Nagios is configured there to monitor 100+ servers. Since there is no mail server in this network default nagios alert ...
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473
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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,...
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How to fetch and display Nagios service thresholds in Alert mails
I need to show the service threshold values (-w ARG1 and -c ARG2) for WARNING and CRITICAL state in the alert mail body.
Along with the SERVICESTATE and SERVICEOUTPUT mail recipients will get better ...
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Not found error when accessing Nagios
I have followed this guide https://www.digitalocean.com/community/tutorials/how-to-install-nagios-4-and-monitor-your-servers-on-centos-7 in order to install nagios in my centos 7.8 system
installation ...
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ssh tunnel from nagios to greenbone socket
i got 2 servers running. serverA is a monitoring solution check_mk. serverB is a vulnerability scanner with gvm20.08 (openVAS).
On my monitoring side i want to retrieve scans, tasks, targets etc. from ...
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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 ...
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incorrect define of host/hostgroup/service
Good day. Recently, I tried to enable domain expiry check on my nagios core 4.1.1, but it seems like it won't work. I believe, i messed up with declaration of host/hostgroup/service. mine "domain....
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What monitoring system should I use for offline network [closed]
I'm part of a sysadmin\DevOps team for for an application. Currently today we have about 25 - 40 vms running as different parts of the application in micro services on the
openshift container platform,...
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check_snmp plugin timedout icinga2
I am new to icinga, and at the moment I am trying to monitor a paloalto firewall running paOS 9.0 with OID 1.3.6.1.2.1.25.3.3.1.2.1 (hrProcessorLoad.1), but I have problems with the check_snmp plugin ...
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monitor CRL expiration dates for multiple nginx servers
Rephrased question: (Not sure it's really clearer)
I have a small self written script, that monitors multiple servers.
In fact my script just starts periodically tiny smalls scripts and gathers the ...
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How to change Nagios check_snmp configuration to use SNMP v3
I posted this on SuperUser but I realized this question is probably more relevant here.
I am trying to check uptime via Nagios's check_snmp plugin on a SNMP version 3 enabled UPS.
I'm able to do an ...
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153
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Remote monitoring by Nagios Core
I am working on a project using Nagios to monitor a controller that monitors gas leaks, temperature,... remotely.
How can a Nagios Core in one city communicate and receive supervision information ...
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627
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Nagios4 prompts for username/password but has limited capabilities after logged in
I followed the instructions from here:
https://support.nagios.com/forum/viewtopic.php?f=7&t=56970
And now nagios prompts me to log in.
It is correctly parsing the username/password.
Unfortunately,...
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Virtual machine network issue with host and ping service checks (within Nagios Core and from command line)
I have got a Ubuntu server guest virtual machine (installed via virt-install) which runs Nagios Core monitoring but there is a major issue with the monitoring (i.e. ping packet loss / RTA or ...
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Nagios is alerting CHECK_NRPE: Socket timeout after 30 seconds but it is running
I have nagios on my server which is alerting me
CHECK_NRPE: Socket timeout after 30 seconds.
But my service is running:
● nagios-nrpe-server.service - Nagios Remote Plugin Executor
Loaded: ...
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Creating memory check via nagios core
How to check memory and incoming/outgoing connections of host.
I have created memory usage i am getting error as below.
Name of service:Memory Usage
Status:UNKNOWN
Last Check:03-13-2020 04:05:45
...
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247
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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 ...
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399
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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 ...
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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 ...
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