General :: Add Another Host To Nagios?

Jun 15, 2011

I installed Nagios following the Quick Install method from the Nagios.org web site but now I would like to add and monitor another host.I don�t find a way , I have for example replaced the ip number of the localhost(127.0.0.1 localhost.cfg) for another ip number and I am able to monitor another computer that way. But then I no longer MONITOR the localhost unless I replace the ip number in the localhost.cfg file. what I would like to do is to monitor both or more computers.

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General :: How To Monitor Remote Host Using Nagios

Jan 14, 2011

Yesterday i install nagios, after that i can successfully monitor my local machine disk usage and its services, but now i want to monitor remote host, but have no idea how to do this , i also google alot but not getting resource full explanation.so please guys tell me how can i monitor the remote host using nagios..

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Server :: Nagios Web Access For A Particular Host Group?

Feb 15, 2010

We are using Nagios Server for different sites say India,US,Germany. All of them are in their respective groups. Now how do i create web access to 3 of them, so that they can monitor only their server? Say, India shouls be able to see and monitor only India group, US guys should able to monitor only US servers. And they not be anle to access other group.

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Software :: Nagios Adding Remote Host?

Mar 2, 2011

i have some problem with nagios adding remots hosts in localhost.cfg (/etc/nagios/objects/localhost.cfg) file in that i am able to only one remote host if i add one more host in that file i got below error #/usr/sbin/nagios -v /etc/nagios/nagios.cfg

Nagios Core 3.2.3
Copyright (c) 2009-2010 Nagios Core Development Team and Community Contributors
Copyright (c) 1999-2009 Ethan Galstad
Last Modified: 10-03-2010
License: GPL

[Code]...

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Software :: Nagios Reports Host As Down Services?

Apr 2, 2010

Since a week or 2 Nagios is constantly marking hosts (servers mainly but also a few Serial-over-IP converters) down for anything up to a few minutes. Typically, all services stay in OK status. Looking closer at a host in such state, it's status information is

CRITICAL - Packet Filtered (<IP address of host in question>)

in soft state. Sometimes services are in critical state with the host in OK status. Almost always the status information is "No route to host". Further checking shows no problems. Rarely this state lasts longer than one check interval. This started after a link was down, putting, correctly, all hosts and services on red for being unreachable. The link problems were solved within a few hours but Nagios only showed this after 2 reboots. Since then the problems has lessened in frequency gradually, from 5 to 10 of the 34 hosts being reported down at any given moment (the same for the 150-ish services monitored) to where I am now, 1 to 5 problem statuses (counting both hosts and services) and the occasional 'all green' screen. A week ago, when the problems were going a week already, Nagios updated from 3.2.0 to 3.2.1. This showed no apparent improvement.

Still, the Host Groups screen is not stable. A read or yellow status initially signified a problem to be looked at, right now it is likely a false alarm to will go away. Whenever the "packet filtered" or "no route to host" is followed up by a ping test, no problems, not even with the slightest delay or packt loss are found.

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Software :: Not Able To Monitor Linux Host Under Nagios

Nov 15, 2010

I have installed nagios successfully also able to monitor windows hosts. but not able to monitor linux hosts. i have follow below procedure, installation part and evertything was ok.but still i am not able to see linux host under nagios. i followed below url for monitor linux hosts on nagios.URL...

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Software :: Monitoring Local Host MySQL In Nagios?

Jan 6, 2010

I am using nagios to monitor a local host and a remote host in a vmware, where both the machines working in CentOS. Now i need to monitor MySQL in my local host so that i should know whether MySQL is up and running. I came across some plugins like

check_MySQL_health
check_MySQL_status
check_MySQL_stat.

While i was trying to install check_MySQL_health, i cant get clear description about the installation and i got stuck with that.

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Server :: Nagios Passive Or Remote-host-side Alert?

Jan 6, 2010

Is this possible that a process running on a remote-host only inform nagios when some thing is wrong. Rather then nagios-monitoring-server checking through NRPE every so often. Reason is I want to add too many alerts in the application. And I don't want a whole list of ok messages.

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Software :: Nagios Shows Host Offline But Services All Show OK

Jul 7, 2011

I believe that I need to disable the host check, I'm checking a public FTP service and ping is disabled on that FTP host. This is resulting in Nagios reporting the host as down, but the service shows as OK.

Is there any way to disable the host check?

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CentOS 5 :: Nagios - Checking Remote Host For Disk Space?

Nov 22, 2010

I'm trying to setup my test nagios to check the disk space of another linux box. I've got it setup and checking. But to my surprise, it was checking the nagios server's local disk space instead of the remote linux.

Here is my services.cfg.

define service{
use basic-service
name disk-space
check_command check_local_disk!20%!10%! /

[Code].....

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General :: How To See The Code Behind The Nagios Plugin: Nagios Checker

Aug 4, 2010

How to see the code behind the nagios plugin: Nagios Checker? I opened the folder which i have downloaded. After that where do i have to go to see the codes? Is it in App_Codes?

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General :: Nagios - Can I Configure Nagios To Do This

Jul 15, 2011

So we monitor all of our disk space, but only get pages for critical. What we would like to do is have one email sent to our team every month with all the "Warnings" for our disk. I have been searching and haven't found a way to do this. Any suggestions?

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Server :: Error: Cannot Open Log File '/usr/local/nagios/var/archives/nagios-07-08-2011-00.log' For Reading?

Jul 9, 2011

Error: Cannot open log file '/usr/local/nagios/var/archives/nagios-07-08-2011-00.log' for reading!

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General :: Transfer Large Number Of Files Host To Host

Oct 20, 2010

I have two servers, one has an empty / and the other has a subdirectory with a large number (4 gig) with many, many files. I need a way to transfer the files en masse from the server with the large number of files to the one that is essentially blank.I don't have space on the used host to simply gzip all the files. I've googled this and see that there may be some combination of tar and/or gzip that will let me do this with some sort of redirection.

I really need and example line of how this can be accomplished. If my explanation seems rather sparse, I can supply more details.

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General :: Ssh: Connect To Host 192.168.100.xxx Port 22: No Route To Host

Mar 9, 2011

I'm trying to ssh from my laptop to my desktop (both fedora 14) over a local network. I can ping my desktop and get responses, but if I ssh to it, I receive

ssh: connect to host 192.168.100.xxx port 22: No route to host

I can ssh from the desktop to itself.

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General :: Get The Ip Address Of Host Using Of Host And Nslookup Command?

Oct 20, 2010

HOW TO GET THE IP ADDRESS OF HOST IN LINUX WITH USING OF HOST AND NSLOOKUP COMMAND and after getting the ip address how to assign it in the variable

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General :: What Do Host.allow And Host.deny Do Exactly?

Aug 5, 2009

What do host.allow and host.deny do exactly? what are they??

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General :: Not Getting Graphs In Nagios?

Oct 16, 2010

i have two linux machines i have installed nagios on only one machine and i am getting graph for that one(localhost).but for the second one(host2) i am not getting the graphs so what should i do.. what should i do to get graphs for othe host (remote machine).

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General :: Adding The Plugins To Nagios?

Jun 29, 2010

I just installed nagios to a Cent 5.4 box. Everything is working so far except I want to add a plugin I found on nagios exchange. The file has a .pl extension. I am unsure how to add the plugin to the rest of nagios. Do I need to add it to a nagios folder and then define it. If I just try to run the pl file I get a error mesg. I am unsure if the error is caused by system misconfig or because the plugin is not installed. The plugin is check_dayime.pl and the error I get is Can't locate Date/Parse.pm Perl seems to be working as I can run simple perl scripts and perl -v spits out v 5.8.8

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General :: Improve Nagios Status Map ?

Aug 4, 2010

I have installed Nagios Core 3.0 (latest version) and currently monitoring more than 80 hosts (servers, desktops, routers and switches).

Everything is fine but status map options are very few and you cannot customize them. all the views are very wierd.

I am trying to use NEXSM but it seems some complex. good solution to imrove the nagios status map.

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General :: Add Repository In Centos 5.3 For Nagios?

Feb 20, 2010

I am trying to add dag repository in Centos 5.3 for nagios according to this documents..

[URL]

but it is of no use... i dont know what is wrong...

how to install nagios in censtos 5.3? I am trying to install nagios with yum.

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General :: How To Point Postfix To Nagios

Jan 6, 2011

setting up Nagios which I have done quite easily, I have only one concern I am not able to setup email Notification from Postfix. I am able to send and receive mails from Postfix internally, I just need to know how to setup Postfix i.e point the server to get NAgios Notification.

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General :: Nagios 3.2.1 And Ubuntu 10.10 Server

Dec 8, 2010

Troubleshooting Nagios configuration? I'm already done with the installation and it's working fine. Now I'm working on adding Windows Server in Nagios to be monitored but the problem is my cfg_file=/etc/nagios3/objects/commands.cfg and cfg_file=/etc/nagios3/objects/windows.cfg there's no such /etc/nagios3/objects directory is existing on my nagios directory.

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General :: Unable To Start Nagios

Mar 23, 2011

I have configured nagios on my local VM machine and i got no error

Total Warnings: 0
Total Errors: 0

Things look okay - No serious problems were detected during the pre-flight check

But when i am unable to start nagios # service nagios start nagios: unrecognized service

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General :: Installing Nagios-3.2 In Rhel 5?

Dec 16, 2010

i am installing nagios-3.2 in rhel 5 . it show the errors in make all command..

Quote:
[root@ns1 nagios-3.2.3]# make all
cd ./base && make
make[1]: Entering directory `/root/Desktop/nagios-3.2.3/base'
gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -o nagios nagios.c broker.o nebmods.o checks.o config.o commands.o events.o flapping.o logging.o macros-base.o netutils.o notifications.o sehandlers.o skiplist.o utils.o retention-base.o xretention-base.o comments-base.o xcomments-base.o objects-base.o xobjects-base.o statusdata-base.o xstatusdata-base.o

[Code]...

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General :: How To Monitor Printers In Nagios

Apr 12, 2011

anyone tell me how to monitor printers in Nagios

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General :: Nagios Smtp Notifications

Nov 30, 2010

I'm running Nagios Core 3.2.3 in a CentOS 5.5 Server, i'm trying to set the notifications, however they don't go through. I'm Using Postfix, i also setup squirrel mail and i can send mails through it successfully, can anyone give me some advice about the logs to check or configurations to check?

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General :: Set Timezone For Nagios In Ubuntu 9.10

Aug 5, 2010

so as the title says.

i saw this in nagios.cfg:

Code:
# TIMEZONE OFFSET
# This option is used to override the default timezone that this
# instance of Nagios runs in. If not specified, Nagios will use
# the system configured timezone.

[Code]....

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General :: Checking Of Services In Nagios

Jul 29, 2010

checking of services in Nagios. You all know the check_[service] command right? In the commands.cfg and windows.cfg. To check for the different types of services/ports, we just replace the [service] in check_[service] with the name of the port? I only know of check_http, check_ssh, check_ftp etc. Some ports like Finger, snmp etc, all these we also write it as 'check_finger', 'check_snmp'? 2) And, if that is the case, do we have to install additional plugins to monitor the ports defined earlier? 3) Lastly, if i want to monitor finger,snmp in windows server, would i need to download any software?

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General :: Nagios Installation And Configuration On RHEL 5

Apr 23, 2010

I am trying to install and configure nagios on RHEL 5. I have apache 2 installed and php all working as exepected. When i install nagios following the these steps [URL]. The nagios folder that is suppossed to be placed under apache2's httpd is no where to be seen. So when I try to open localhost/nagios/. It says: The requested URL /nagios/ was not found on this server. What can I do for the nagios to work on this system. The apache and php are working fine.

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