Questions tagged [opennms]

OpenNMS is an enterprise grade network monitoring and network management platform developed under the free software or open source model.

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Auto-cleaning alarms in OpenNMS

At my work, we have OpenNMS working primarily as a trap receiver and it does a wonderful job of that. Millions of events each day are processed and converted to alarms if necessary. Given the volume ...
-1 votes
1 answer
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Can't Access Vmware Esxi from GUI and CLI after polling from OpenNMS

I added Vmware Esxi ip in OpenNMS and configured SNMP for the same. After successful addition of node, I also added Configuration in /usr/share/opennms/etc/vmware-config.xml ( I am running OpenNMS in ...
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460 views

Opennms warns about Out of memory: unable to create new native thread

We have a problem where our OpenNMS instance is sending false alarms at certain times and the logs shows this: Caused by: java.lang.OutOfMemoryError: unable to create new native thread at ...
2 votes
2 answers
1k views

OpenNMS Syslog Integration

I am trying to configure OpenNMS to receive Syslog messages from an ASA. My syslogd-configuration file looks like so: <configuration syslog-port="514" new-suspect-on-message="false" ...
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1 answer
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How do I set OpenNMS to have two types of Node Down events with different severities?

For example, I have laptops in one subnet which keep turning on and off so if a node on that subnet went down I'd class that as an intermediate incident. However, on another subnet there are critical ...
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6 votes
1 answer
852 views

OpenNMS check if service is running on remote server using SSH

I have an OpenNMS system configured and up and running. I have a few Linux (debian) servers and I need to monitor if a specific service is running on them. This must be done using only ssh access. No ...
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1 vote
1 answer
257 views

Monitoring HP MSA2324sa using OpenNMS

I was able to get an HP MSA2324sa storage array connected to a server after someone's advice on here to scan the SCSI bus. Now, I want to monitor the following on the storage using SNMP and OpenNMS: ...
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3 votes
0 answers
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Opennms - Physical interface update on Cisco Switches

I'm using opennms version 16.0.2-1 on ubuntu server 14.04 LTS. I'm configuring some cisco switches to send traps to openms. The traps are notified to events in opennms, if i put a physical ...
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3 votes
1 answer
102 views

How to enter past outage timing in OpenNMS

For scheduled outages, We need to enter timings so that these period will not be considered as a down time. So far so good. However, if someone doesnt define a blackout window and we need to adjust ...
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1 vote
1 answer
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Opennms how to poll services that are listed as Not Monitored?

I'm runninng Opennms in a Docker.io container: https://registry.hub.docker.com/u/study/opennms/ $ docker run --name some-postgres -e LC_ALL=C.UTF-8 -d postgres and $ docker run --name some-opennms ...
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2 answers
187 views

OpenNMS installation failure

I am willing to use OpenNMS to monitor my network. Monitoring it fully from the router to the nodes from a computer will be connecting the network as node not as administrator and that computer using ...
2 votes
1 answer
648 views

Opennms add outage

I'm having a problem where adding an opennms scheduled outage is not functioning. Considering I can find limited documentation about how to do this through their interface (I suppose it's supposed to ...
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5 votes
3 answers
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WMI: wmic linux agent query error: NTSTATUS: NT_STATUS_ACCESS_DENIED

Myself new to wmic and keep trying for a long time with default agent query approach. wmic is linux based WMI tool to talk to windows WMI agent. While trying to fetch data with wmic from nt(win7 with ...
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1 vote
2 answers
4k views

SNMP over the internet

Basically, I have a small network where my OpenNMS installation is located on a CentOS 6.4 machine. Now I have a server(CentOS also) that I want to monitor but is on the internet, with a public ...
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1 answer
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How to monitor alarms from MySQL with openNMS

Is it possible to monitor alarms from MySQL (or at least MySQL service availability) with openNMS? If so, how?
1 vote
1 answer
144 views

Automatic Node Categorization not working in OpenNMS

I setup a Node Categorization policy in the foreign source definition ; its not working correctly what changes need to be done? Text version: (for bot/crawler) name SetNodeRouter class org....
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2 votes
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1k views

High packet in discard percentage

We have several servers running VMWare ESXi 4 on which are virtual machines running OpenSUSE and Windows 2008r2. We also have a server monitoring these vm's using OpenNMS. For several of the OpenSUSE ...
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2 votes
3 answers
3k views

SNMPD running but not listening for connections at random

OS: CentOS release 5.7 (Final) Net-SNMP: net-snmp-5.3.2.2-14.el5_7.1 (from RPM) Periodically my NMS notifies me that SNMP has gone down on this machine. The service is restored in between 10 to 30 ...
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2 votes
1 answer
3k views

Disk Monitoring with OpenNMS

I'm sure this has been asked before (and actually all over the net) but I'm scratching my head a little over this. OpenNMS is installed on my 2008R2 server and is picking up my nodes fine (detecting ...
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-2 votes
2 answers
355 views

A lot of OpenNMS process [closed]

I'm using Ubuntu 10.04.4 and when I start openNMS using this command: service opennms start: I can see a lot of process like this: ps -ef | grep opennms oot 13699 1 14 11:58 pts/1 00:00:...
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-2 votes
1 answer
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Many Postgresql process. how to handle them?

I'm trying to fix an already install openNMS system on ubuntu. Currently I'm facing issue with postgresql. I stop server using this commnad: service postgresql -$PGVERSION stop after that when i run ...
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1 vote
1 answer
4k views

OpenNMS Vs Nagios [closed]

I'm new to Network and Monitoring side and I've to work on either OpenNMS or Nagios. I want to know what are the main differences of these two Systems apart from being OpenSource and Licensed. Which ...
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1 vote
2 answers
792 views

Getting counters into OpenNMS

I am struggling to get load graphs of my APC RackPDU into OpenNMS. I've defined the appropriate values in datacollection-config.xml: <groups> <group name = "APC-RackPDU" ifType="ignore">...
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1 answer
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Server management tool for small network [closed]

What would be the right management tool for my network? I take a look on Cacti, Nagios, OpenNMS, Munin & Monit ... but I'm not sure which will be the best direction. I prefer something that will ...
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Web page monitoring with performance statisitcs, also web transactions

Do any of the open source monitoring applications do the following: download a web page, and provide a detailed breakdown of how long it took to download the page and all its elements (images/css/...
-1 votes
1 answer
283 views

server status command

How do I check the server status using command prompt? I have installed opennms and it is working as expected in GUI mode. But I want to use it in a shell script and hence need a command to check a ...
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1 vote
1 answer
859 views

Poll custom oid in opennms

I am trying to poll custom oid i.e. 1.3.6.1.4.1.2021.8.1.100.2.x using opennms. I will get transaction per second from these counters. I want to create graph out of this. I tried many documents from ...
2 votes
2 answers
354 views

Network monitoring system capable of link functionality (like OpenNMS linkd)

The OpenNMS monitoring system has the ability to automatically discover and display links between nodes and networking equipment. The module is called linkd and is a very handy way of visualizing ...
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3 votes
1 answer
5k views

postgres vacuum

Ok guys, I've moved to a new company and I see they have a single PostgreSQL database here to run OpenNMS. I'm a MySQL person, not familiar at all with PostgreSQL, but I've at least learned how to ...
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0 votes
1 answer
809 views

why this small datacollection-config.xml is not valid in opennms?

<?xml version="1.0"?> <datacollection-config rrdRepository="/var/lib/opennms/rrd/snmp/"> <snmp-collection name="default" snmpStorageFlag="select"> <rrd step="300"> &...
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0 votes
1 answer
386 views

In opennms datacollection-config.xml file is showing error, what may be wrong?

<?xml version="1.0"?> <datacollection-config rrdRepository="/var/lib/opennms/rrd/snmp/"> <snmp-collection name="default12" snmpStorageFlag="select"> <rrd step="300"> ...
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2 votes
2 answers
1k views

Can OpenNMS show me all currently exceeded thresholds?

OpenNMS's main dashboard is fantastic, showing all current outages, updated continuously. I'm also using OpenNMS to monitor thresholds - for example, to get notified whenever a disk is more than 90% ...
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1 vote
2 answers
1k views

OSS Server Monitoring Software -- Which is right for me? [duplicate]

I'm trying to plot the course for my organization and am currently looking at (not exclusively so, but so far research leads to these): Zenoss Nagios OpenNMS Our requirements is that this must be ...
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3 votes
2 answers
2k views

Using OpenNMS, how can I disable notifications for a particular service and server

We are using OpenNMS to monitor a pool of servers, and we have a problem with SMTP in one particular box. OpenNMS is "spamming" us all the time with DOWN/RESOLVED messages for that particular service ...
1 vote
1 answer
2k views

Hardware requirements for large installation of OpenNMS

What is the hardware requirement for OpenNMS systems that can manages 30K+ device? Is there any literature on hardware scalability of OpenNMS?
0 votes
1 answer
2k views

OpenNMS, NSClient++ (x64), Windows Server 2008 R2

I've installed OpenNMS, and configured NSClient++ on a Win2k8 r2 box. NMS sees the NSClient, however nsclient logs the following errors: error:../../include\Socket.h:649: Error: Could not complete ...
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0 votes
2 answers
5k views

Does Zabbix sum data over a period?

I know Zabbix handles numeric data in a way that it shows the absolute value for a given instant. But I have another type of data that accumulates over time (ie. number of bytes transmitted - not ...
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1 vote
2 answers
1k views

postgres stats and opennms

What is the best (or easiest?) to monitor postgres 8.4 stats in OpenNMS 1.76? SNMP? How?
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3 votes
1 answer
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opennms loginless readonly access

I would like to let users view opennms data without logging in. That is, the whole ui in read only mode. I realise that I can create a guest user for this, but people then need too know the username ...
1 vote
2 answers
1k views

NET-SNMP may be hitting a problem reporting partitions greater than 2TB

We recently upgraded one of our MYSQL machines with an array that is 2.5TB. After doing so OpenNMS stopped reporting information about our mysql data partition... when I do a : snmpwalk -v 1 ...
13 votes
8 answers
24k views

Key differences between Nagios and Open NMS?

I am looking to pitch a comprehensive monitoring system to my manager, and have been considering OpenNMS. However, I have seen glowing praise of Nagios on here and I was hoping someone with experience ...
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2 votes
5 answers
3k views

How does one go about monitoring memcached stats in OpenNMS?

I'd like to go about compiling data for size and hits...