-7
votes
3answers
99 views

how to monitor multiple systems in nagios [closed]

I am very new to nagios 3.4.4. I was able to set up and monitor the localhost machine. I tired to copy the localhost config to create a new host, which didnt work. Is there a place where i can find ...
2
votes
1answer
106 views

Setting an alarm until acknowledgment (Nagios\Icinga)

I am SNMP polling a router and checking the amount of errors on an interface. Since SNMP counters can not be cleared on the device I am storing the last value received in a temp file. If there is an ...
2
votes
1answer
245 views

Nagios, Cisco switches, lost packets

I use Nagios to monitor about 30 Cisco 2960 switches (check_snmp_load, check_snmp_int). I only check load and one or two backbone interfaces of every switch. I get a lot of false positives caused by ...
2
votes
3answers
668 views

nagios wrongly reports packet loss

Lately, on my nagios 3.2.3 install (CentOS5, monitoring ~ 300 hosts, 1150 services) has sdtarted to occasionally report high packet loss on 50-60 hosts at a time. Problem is it's bogus. Manual runs of ...
3
votes
1answer
2k views

Beginners Guide to SNMP? [closed]

I have been searching for days on a beginners guide or tutorial on understanding and using SNMP. I am looking for a guide that starts from the very basics of explaining what an OID and MIB's are to ...
1
vote
5answers
2k views

How to monitor switch in Nagios3?

I need to monitor the traffic rate in my LAN. I have installed nagios core 3.2 and I can monitor services like CPU load, disk usage, http server, etc. but now, How to monitor traffic? I am using ...
4
votes
2answers
3k views

Nagios bizare ping behaviour

I have nagios setup as I want it, but last night it started alerting me of a problem pinging the internet. (I have a check that pings www.google.com to test that the internet is still working) Now ...
1
vote
3answers
2k views

ntop vs nagios to Monitoring Networking traffic

Hi i need to monitor ntop to monitoring networking traffic but i am concern if its going to affect somehow my server performance.... i've been also recomend to use Nagios but i am not quite sure if is ...
2
votes
3answers
725 views

monitoring switches with Nagios

I'm trying to moitoring switch with nagios. I had made everithing like in this tutorial: http://nagios.sourceforge.net/docs/3_0/quickstart-fedora.html, but i'm getting Status Information in nagios ...
4
votes
5answers
3k views

Is there a Nagios plugin that uses Nmap and does port checking?

I need to monitor open and closed ports on dozens of hosts. I've found a Nagios plugin that does what I need, but I would have to use this script through NRPE. Some of the hosts are powered by Linux ...
6
votes
6answers
4k views

Distributed Nagios Installation

I'm looking for a plug-in or product that will act as a remote probe and perform tests then send back the results to the central Nagios server. Reason for this is that I'd like to monitor internal ...
3
votes
5answers
5k views

Network port open, but no process attached?

I have a weird situation going on with an open network port. My main question is, why would there not be a program associated with an open TCP port: netstat -ln --program Active Internet connections ...
9
votes
7answers
10k 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 ...
0
votes
1answer
3k views

Is there any working graphical tool to generate nagios user-supplied map coordinates to hosts?

Is there any working graphical tool to generate nagios user-supplied map coordinates to hosts? Or is there any simple way to do by script or manually?