All Questions
Tagged with monitoring nagios
305
questions
0
votes
1
answer
85
views
Command not running in Nagios
Can anyone clarify for me why the following code is not running when I place it in command_line for a custom Nagios command? It works when I run it in terminal.
command_name notify-host-by-sms
...
0
votes
1
answer
370
views
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/...
0
votes
1
answer
322
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/...
- 2,250
0
votes
1
answer
2k
views
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 ...
- 1
0
votes
1
answer
40
views
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 ...
- 1
-1
votes
1
answer
387
views
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 ...
- 831
1
vote
1
answer
78
views
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,...
- 123
0
votes
0
answers
369
views
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 ...
- 279
0
votes
1
answer
188
views
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 ...
0
votes
1
answer
329
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
459
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
1
vote
1
answer
95
views
Asserting on extended information from Nagios's check_mysql
I'm running the check_mysql plugin using NRPE on a remote DB-server, and while I can get satisfactory data on whether or not the server process is working as needed, I see that the plugin outputs a ...
- 111
0
votes
0
answers
142
views
MySQL least privileges to get database/tables size
I'm using centreon_plugins to monitor some mysql databases. As a best practice I create a dedicated user for monitoring and I give it the least possible privileges.
For simple monitoring I usually ...
- 11
0
votes
1
answer
304
views
NAgios: add/import a list of host to ping, automatically?
I am searching for a way to automatically add a few hundreds of hosts to ping in Nagios.
I guess there could be procedure or a file to fill with something like an /etc/hosts file to have Nagios to ...
- 456
0
votes
1
answer
115
views
Nagios3: Different CRITICAL color for certain host groups
My colleagues want a new host group to have more visibility and want the Critical status to be different color. This is defined in nagios3/stylesheets/status.css as statusBGCRITICAL but as I can't ...
- 370
0
votes
1
answer
371
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
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 ...
- 365
1
vote
2
answers
890
views
How do I use Nagios to monitor a log file that generates a random ID
This the log file that I want to monitor:
/test/James-2018-11-16_15215125111115-16.15.41.111-appserver0.log
I want Nagios to read it this log file so I can monitor a specific string.
The issue is ...
0
votes
1
answer
23
views
Use serviceescalation to "de-escalate" notifications
Is it OK to use the serviceescalation Nagios facility to reduce frequency of the notifications sent?
The idea is to setup a generic service template with frequent notifications by default and provide ...
2
votes
1
answer
505
views
Multiple certs on an ELB listener. Nagios monitoring only checks the default one, regardless of host name
So I have two sites running, each behind a single Amazon ELB.
For the purpose of this post (and my companies privacy), using these hostnames for each:
example.com
anotherexample.com
Certs are ...
- 2,307
0
votes
1
answer
712
views
Nagios 4.4.1 slows to crawl after about 1 week with frequent 100% CPU utilization
We are running a new Nagios Core server on Ubuntu 16 Server. Everything was running fine until today when all of a sudden, the site slowed to a crawl. Looking at top command results, we are seeing ...
- 687
0
votes
1
answer
122
views
Does nagios XI support notifcations based on a threshold percentage of the number of services in a hostgroup that are in a critical state?
Say there's a hostgroup defined on a Nagios server; and that hostgroup has a notification set up to go off when a certain service or services reach a critical state then a notification email will be ...
- 4,929
1
vote
0
answers
883
views
check_mk using ssh tunnels/ssh proxy
I'm trying to setup monitoring with check_mk and wanted to see if this is possible. My issue is as follows:
Layout:
Monitoring server: 1.1.1.1
Bastion server: 2.2.2.2
Host A: ...
- 11
0
votes
4
answers
980
views
Is it possible to exclude specific hosts from a Nagios check_command
I've got the following configuration:
define host {
name generic-host
[...]
check_command check-host-alive
[...]
register 0
}
...
- 103
2
votes
1
answer
1k
views
Have a script receive an IP from the DHCP server?
None of the Nagios DHCP check plugins can actually take an IP from the DHCP server as a real test. All they do is ask which IP it would give to a certain mac address.
Our DHCP server failed, where ...
- 486
-2
votes
1
answer
907
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
2
answers
3k
views
Nagios exclude a service for a single host
How i can exclude a inherited service for a singe host, without editing my service file?
i have in my conf.d directory many files, one for each host, hostgroup, template and service.
hg_linux-server....
- 165
1
vote
1
answer
4k
views
Monitor APIs with Nagios?
I'm just getting started with Nagios and I'm wondering if anyone knows of a plugin or built-in function that would allow me to monitor restful APIs?
I want to be able to run a predefined GET/POST ...
- 289
1
vote
1
answer
1k
views
Use check-bind.sh to monitor DNS Server
I want to monitor two DNS Server with Nagios and Check the DNS performances.
I have found a check_bind.sh plugin with Nagios in : https://exchange.nagios.org/directory/Plugins/Network-Protocols/DNS/...
- 13
2
votes
1
answer
821
views
Nagios check_udp_ports returning critical: result to scheduled check, runs fine manually
We use a Nagios core 4.3.2 solution on Ubuntu 14.04 to do simple host check monitoring on remote client equipment. One type of device we use is not availible to ping, but as part of it's proprietary ...
- 21
1
vote
1
answer
1k
views
Nagios check_mk with plugins
I'm working a company that has a Nagios monitoring server that was set up ages ago and there's no documents.
It uses Check_MK and it seems it was installed using OMD.
We want to install the following ...
- 267
2
votes
0
answers
115
views
Make Nagios stack alarms when no connectivity to HP OVO
I'm implementing a small Nagios instance on a dedicated laptop to monitor some telcom devices.
The alarms have to be sent via our customer's reporting tool (like HP OpenView) via SNMP Traps. Nothing ...
- 121
0
votes
1
answer
430
views
difference between snmpwalk and check_snmp_int
what is the difference between check_snmp_int and snmpwalk command to get the ifInOctects 1.3.6.1.2.1.2.2.1.10
my check_snmp_int gives wrong values for bandwith monitoring , ifInOctects and ...
- 1
0
votes
0
answers
456
views
Host availability report from nagios\icinga log file
Is there a way of analyzing and report-building from icinga\nagios log files?
I tried (avail.cgi) host availability reports but it works so slowly. I should wait 3-5 minutes if I want a week report ...
- 111
1
vote
2
answers
2k
views
Nagios plugin not working from server but Locally
I have written a small bash script which checks whether docker service is functioning or not and it's quite fine when I test on client locally but somehow it's not working from nagios server which ...
- 11
0
votes
2
answers
1k
views
Nagios to count files in certain Directory
I am trying to monitor a directory on a server in which the amount of files can vary from day to day. This server itself is monitored fine on Nagios3.
However, if I want to count the number of files ...
2
votes
1
answer
4k
views
Acknowledge/ignore a nagios alert for X min/hrs/days?
I have a Nagios service which has correctly noticed a problem. I am running a command on that machine that will fix that problem. However it will take a few hours to run. Until then it is still (...
- 32.5k
0
votes
2
answers
773
views
Monitoring snmp with Nagios
I'm using Nagios 4 and installed nagios plugins to. I wan't to monitor my HP switch CPU, MEM, etc via snmp, but I totally don't know how to do it.
First of all, how do I get the right OID's and how to ...
- 13
1
vote
1
answer
1k
views
Passive check is not updating the nagios site
The definition for the passive check seem to be corrected. I setup a cron job to run every 5 minutes and execute the script where the output is processed using:
command_file=/var/spool/nagios/cmd/...
- 11
1
vote
1
answer
415
views
how to count the no. of passive checks sent using nsca?
I have Nagios/NSCA setup for a perl custom script that runs on the nagioshost.
I have it configured like:
echo "myhost;myservice;1;Message"|/usr/local/nagios/libexec/send_nsca -to 10 -d ';' -c /etc/...
- 131
1
vote
1
answer
4k
views
How to use nagios monitor a windows process that have parameters?
I've already all environment working. I've used the check_nt to monitor process, like this:
define service{
use generic-service
host_name netserver
...
- 11
0
votes
2
answers
3k
views
"Error: Could not complete SSL handshake. 5" in syslog of otherwise fine Nagios monitored host
I have a nagios server on ubuntu that monitors many other ubuntu servers. They have configured with chef, and they are correctly monitoring things over NRPE (i.e. the NRPE checks work. When something ...
- 32.5k
2
votes
1
answer
2k
views
Check_MK: How do I create Notifications based on groups of services instead of just one service?
I'd like to be able to create a notification that alerts based on the availability of a group of services, instead of just one threshold. For example, say I have 10 AWS servers that all do the same ...
- 211
0
votes
1
answer
512
views
Icinga monitoring, random "Connection refused by host"
I have a Nagios/icinga monitoring system, which i use to monitor mainly Windows based machines running a version of NSClient++ that i found works without being too annoying (NSCP-0.4.1.105-x64). This ...
- 69
1
vote
2
answers
775
views
Monitoring IBM server hardware without IMM port connection
We have a lot of IBM x86 servers that we need to monitor for hardware issues(disk failure/temperature/fans). Around 50% of them have IMM ports hooked up and we are able to monitor for SNMP traps using ...
- 421
0
votes
0
answers
465
views
nagios custom script working locally, returns null in UI
I have a custom script that I've defined within my nagios command.cfg and service definitions. When run locally as nagios on the monitoring host, it returns the expected output (a large hash of stats ...
- 101
2
votes
1
answer
606
views
nrpe user cant properly execute script remotely using lsof, netstat works
I created a simple script for nagios to check a port on a remote server. Originally, I tried to use lsof.
#!/bin/bash
RESULT=$(lsof -i :8080 | grep LISTEN)
if [ -n "$RESULT" ]
then
echo "$...
- 649
-2
votes
1
answer
63
views
Monitor servers in ESXi environment
I have my own environment on a ESXi host, so without access to the vCenter env. So I'm unable to setup nagios monitoring at first.
In my environment I have different kind of servers:
* Linux (Custom ...
- 97
3
votes
1
answer
1k
views
Nagios: exclude single contact from notifications
There is a number of services that notify a contact_group on state changes. Is it possible to exclude a single contact that belongs to this group from getting notifications?
Prepending contact name ...
- 65
2
votes
1
answer
715
views
Nagios plugin to monitor FreeSWITCH
I am trying to configure Nagios to monitor FreeSWITCH as mentioned at https://github.com/kjhosein/nagios-freeswitch-plugin .
I have downloaded the script from git and followed listed steps.
On ...
- 21