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Questions tagged [nagios]

Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.


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Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

Nagios watches hosts and services that you specify, alerting you when things go bad and when they get better. Some of its many features include monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, etc.), monitoring of host resources (processor load, disk usage, etc.), and contact notifications when service or host problems occur and get resolved (via email, pager, or a user-defined method).

61 questions
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4 answers

Check number of pending security updates in Ubuntu

Let me start by saying I have been forbidden to enable automatic updates on our Ubuntu servers, for both security and regular packages. When I log into any of my four Ubuntu servers, the welcome message contains this: 39 packages can be updated. 26…
Mak Kolybabi
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16
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1 answer

http availability check with Prometheus

I am considering to use Prometheus for Monitoring my systems. The document explains how i can use it for metric monitoring like counters, histograms and summary. But it does not provide any information on how do i monitor simple availability of my…
konquestor
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Nagios - obsessing over this service: what does this mean?

We use Nagios to monitor our servers. I haven't set this up myself, and I want to change some settings. Most services have the setting obsessing enabled. I wonder what this means, and what happens if I disable it.
SPRBRN
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9
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1 answer

Executing a script when DHCPD give an IP

i want to do a setting to dynamically monitor my Work Station on my Wifi network. I've got my name server BIND and my dhcpd server all of that under linux working perfectly. But i didn't find any option to execute a script when dhcp give an IP to a…
Louis
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4
votes
1 answer

Configuring different SSH ports for each host remotley monitored by Nagios

I've completed the Nagios install and setup on three servers so that the instance on server A also provides reports for servers B & C (via NRPE). SSHD is purposefully listening to a different port on each host so I edited the …
danielcraigie
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3
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3 answers

Nagios: monitor mysql auto_increment overflow

Recently we had an overflow in an auto_increment column in a mysql table. Now I'd like to monitor our databases with nagios, so that we'll be alerted whenever an auto_increment column comes near to its max value. Is there already a check for it? If…
moritz
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2 answers

Why does Nagios show localhost down?

I am running Nagios 4 in Debian Jessie. It shows the localhost down but all the services it check are OK. The Nagios plugins are installed. I followed this tutorial for the installation:…
verovan
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2
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1 answer

Nagios SSH remote checks and WMI Check

I have install Nagios Core and I am using WMI Checks for Windows and Created a script to execute remote commands through ssh on my Linux machines. When Installing Nagios there is an option to run NsClient++, but I went with the WMI Checks because it…
jenglee
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2
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checkmk custom check and graph

I'd like to add some custom check and add a graph. Basically it's a bash script that write 1 value to a file every minute. I'd like this value to be presented in a graph. I can see this check under services but can't create a graph for it. I've…
Miki
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How to define Critical and or Warning states in Nagios

I have recently installed nagios on Debian 9 and don't know how to define States. I have a shellscript which determines if a process is running if true it echoes out '1' if false it echoes out '0' Nagios does process the information and shows the 1…
flopana
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2
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1 answer

Skype4Py line break

I try to use Skype4Py for Nagios notifications. I already can send messages from command-line. Now I try to insert line-break character (carriage return) into body of message. I use the following scripts to send notifications: …
whi1test
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2
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2 answers

nagios -- disable notifications for this service on all hosts?

I know it's easy to pick a host and "Disable notifications for all services on this host". But I have an issue where (for example) I know that my NTP server is going to be down for two weeks. I would like to "Disable notifications for this service…
hymie
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Stale output in nagios for Esxi check

I have written a simple shell script that detects the invalid login attempts on Esxi(5.1) server and prints the output on screen as IPs with no of connections with failed attempts. The script is working fine on Esxi server. But when I'm trying to…
awatekiran
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How to see previously retrieved SNMP values in Nagios

I have successfully configured Nagios 3.2.3 to monitor several SNMP Agents. For instance, I'm monitoring the OID RFC1213-MIB::udpOutDatagrams.0 on one of those agents. This is working fine. I can get the following information on the current values…
wvdz
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1
vote
1 answer

Nagios Admin User account

I would like to know my nagiosadmin password. I have already forgotton my password but i am the root user of my ubuntu os. Is it safe to sudo htpasswd /etc/nagios3/htpasswd.users nagiosadmin and key in a new password ? Will my other user accounts be…
GGADmin
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