On 10/1/07, Giles Coochey [EMAIL PROTECTED] wrote:
Checking the Windows eventlog I see the following events before the time
that the host produces the alert:
Timer Elapsed:2878
CCID:2878
Have you been to eventid.net with your error?
On 9/28/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Hi All,
Does anyone know off a capacity planning add-on for Nagios or are others
using data from Nagios to perform capacity planning functions?
I am unaware of any add-on. You have to define all of your checks manually
and give
I'm looking for Nagios case studies, particularly ones that show bottom
line benefits of Nagios compared to other more expensive ones, such as
Tivoli, Openview, or Sitescope.
If anyone knows of any, do share!
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Yet another great Nagios link for Windows admins
http://trac.nakednuns.org/nscp/wiki/CheckCounter
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Right now, I'm using check_bl, and it works very well for a single IP, but
I'd like to run it once a day on a /28 block.
(Sure, I could make each IP check one-by-one, but I'm hoping that there is
another plugin that will let me use CIDR notation.)
Yet another how to check Microsoft Exchange Server with Nagios wiki entry
http://nagioswiki.com/wiki/index.php/Nagios_Checks_for_Exchange_Server_200x
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I'm starting to collect Nagios-equivalent solutions to these free Servers
Alive add-ons.
http://www.serversalive.com/salive/addons.asp
Some of the webapp (e.g. webinject) and event log (e.g. check_nt / nc_net /
etc) stuff is easy enough, but I'm looking for other F/OSS versions of, say,
the AV
I'm guessing that SMTP2POP3 is equivalent to the
contrib/check_email_loop.pl script. http://www.nagiosexchange.org also
has many many user contributed plugins.
While googling for check_email_loop.pl, I found these links on monitoring
Microsoft Exchange
On 9/26/07, Anthony Montibello [EMAIL PROTECTED] wrote:
NC_NEt was developed for running both active checks and passive checks..
http://sourceforge.net/projects/nc-net
you can download it from sourceforge, asside from accepting Check_nt
requests it can also be configured for using passive
On 9/26/07, Rogelio Bastardo [EMAIL PROTECTED] wrote:
I'm having problems with NagiosQL reading certain check commands,
particularly check_nt and check_bl (check_ping, for example, works
just fine)
For what it's worth, I created a NagiosQL ticket on the matter:
http://www.nagiosql.org/ticket
I'm having problems with NagiosQL reading certain check commands,
particularly check_nt and check_bl (check_ping, for example, works
just fine)
They're written right (exactly like I have on my regular Nagios cfg
files), but every time I to create a service check with it and try to
write the
Is there a way to do (I think it's called) passive checks with an NT server?
I have a centralized Nagios server racked off site, and I would like
to send a request to certain NT boxes and have NSClient++ (or
whatever) ping certain devices on the network.
I'm hoping that this is possible on NT,
Anyone have any tips for dealing with Nagios logs?
Things are getting a little crazy, and I haven't even been logging very much!
e.g.
[EMAIL PROTECTED] run]# find / *nagios* -type f -size +100k
-exec ls -lh {} \; | awk '{ print $9 : $5 }'
/var/log/nagios/archives/nagios-08-14-2007-00.log:
Good grief, what on earth are you logging? I'm monitoring over 1000
hosts and 1600 services and my daily logs range between 600KB and
1.5MB. Can you post a snippet of your log (say a 15min span ) so we can
get an idea of what it is logging?
This is just a test box, and I'm wondering if it
On 9/17/07, Rogelio Bastardo [EMAIL PROTECTED] wrote:
I recently installed NagiosQL and am looking to create hosts,
services, and contacts so that I can do all of the Nagios checks.
The problem, however, is that in order to make a host or service, I
have to have a contact. But in order
On 9/18/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Are you absolutely certain that the permissions on
/path-to-nagios/var/rw are set correctly?
I suspect that changing my nagios.cfg file to following had something to do
with this nagios.cmd file being created?
#check_external_commands=0
In the NagiosQL web GUI, I get the following error when I try to
'restart Nagios services' on my CentOS 4.5 box:
Nagios command file not found or no rights to write!
I suspect that this has to do with the nagios.pid or nagios.cmd
permissions and/or a wrong file path in
I am looking for a tool that will alert me (possibly send me an email)
when a new device pops on the network.
Does anyone know if there is a Nagios plugin? Or whether or not
something else Nagios-friendly might help with this task?
I've googled around for Nagios event handlers that work with Windows
systems, but I haven't found anything that I can work with.
Am I not looking in the right place (or right keywords) or does this
not tend to work well with Nagios and some Nagios friendly client
running on a Windows system (e.g.
I have an interesting Nagios question, and I'm wondering if it is a
problem with Nagios, Watchguard SOHO, or Exchange.
I am monitoring approximately 30 Exchange servers with no problem.
Since I cannot ping them (b/c they're behind firewalls), I typically
set the check_smtp plugin as the test to
A friend of mine just sent me a link to this program
http://alerttail.sourceforge.net/index.html
I'm relatively new to Nagios and am wondering how might this be of
benefit to Nagios users.
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On CentOS 4.5, I have Cacti and Nagios installed. I'm trying to
glue them together with a program called n2rdd but am having a
problem that I wondering is possibly Nagios-related.
When I run tail /var/log/nagios/rra/n2rrd.log, I see lots of this
sort of thing:
server01: Missing template for
I just recently noticed that there is a check_ping and a check_icmp plugin.
I ran ./check_plugin --help on each, but am still unclear as to what
each does differently. Does check_icmp include traceroute and other
non-ping ICMP checks?
On 7/30/07, Rogelio Bastardo [EMAIL PROTECTED] wrote:
When I run tail /var/log/nagios/rra/n2rrd.log, I see lots of this
sort of thing:
server01: Missing template for server01 service check_ping
/etc/n2rrd/templates/rra/ping.t
So, I fixed this (by adding a #!/usr/bin/perl -w at the top
I'm missing some key piece to this, but I'm not quite sure what it is.
Also, for what it's worth, here are the relevent entries in my cfg files
nagiios.cfg ---
process_performance_data=1
host_perfdata_command=process-host-perfdata
service_perfdata_command=process-service-perfdata
---
So, if you don't mind installing the plugin setuid root, I'd recommend
using check_icmp.
Forgive my ignorance, but where can I find this?
(I googled for setuid root nagios check_icmp but nothing jumped out at me)
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On 7/30/07, Rogelio Bastardo [EMAIL PROTECTED] wrote:
So, if you don't mind installing the plugin setuid root, I'd recommend
using check_icmp.
Forgive my ignorance, but where can I find this?
(I googled for setuid root nagios check_icmp but nothing jumped out at me)
ah, I see it's
Nedim Bicic wrote:
I have nagio 2.4
How many hosts can Nagios handle i have 598 hosts i think its freaking
out a little ?
I dont know if i can add more ?
A few questions about your setup.
How many services in all are you checking? And how often are you polling
these services?
Define
william(at)elan.net wrote:
You can take a look at below plugin and further rework if you know perl:
http://www.elan.net/~william/nagios/plugins/check_dnsname.pl
this would require new loop to get mx list, check each name and make
specified name/address matches addresses of at one of the
In some way, shape, or form, Nagios is not alerting me about down
hosts. I suspect that someone toggled something in the
http://box/nagios web GUI, but I looked around and don't see anything
that could have changed.
The cfg files are the same as I left them.
Any ideas on what might have changed?
Why would you need to check this though?
I'm thinking of providing a service of using Postfix to provide MX
backups. I'd like to make sure that I am *not* their primary MX
record. I want to be a backup, not the main gateway for a company's
email.
Also, when people have problems, this would
If your alerts are done via email, then check your mail logs.
They are.
I ran tail /var/log/maillog and see that the last email was sent
over a week ago.
Any idea of what might have gotten changed on the web GUI level?
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I'm trying to wrap my mind around how Nagios and Cacti integrate
(or, more specifically, how I can pipe Nagios output to rrdtool and
then have Cacti poll that rrd database). Both Nagios and Cacti are
installed ok, and now I'm trying to get n2rrd properly installed and
gluing together the two
On 7/25/07, Rogelio Bastardo [EMAIL PROTECTED] wrote:
I'm trying to wrap my mind around how Nagios and Cacti integrate
(or, more specifically, how I can pipe Nagios output to rrdtool and
then have Cacti poll that rrd database). Both Nagios and Cacti are
installed ok, and now I'm trying to get
I'm looking for some ways to import the Nagios results (OK checks, not
OK checks) into Cacti so that I can start creating some graphs to show
SLA-type stuff.
I have a good Nagios setup, and on that box Cacti is working. How do
I merge the two?
I'm looking for some sort of change control solution. On several
Cacti/Nagios servers, I would like to take a snapshot of what I did, back it
up, and if something changes, run something that shows me what files /
permissions were changed since I last worked on the server.
If it were just me,
Sure. See the negate plugin.
Alright, I finally figured it out.
Here, for what it is worth, is a reverse check for SMTP
define command{
command_namecheck_reverse_smtp
command_line$USER1$/negate
/usr/lib/nagios/plugins/check_smtp -H $HOSTADDRESS$
}
define
We use check_mailq from the standard nagios-plugins package.
I've used check_mailq also (with great success).
That assumes, of course, that this plugin is running *on* the Postfix
server in question.
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Ping? If you can reach the remote end, the tunnel can be assumed
to be up.
Inside the tunnel, I can do that.
But I'm thinking of a scenario where I might set up a VPN (e.g. PIX,
Check Point, etc) and then continually check it every hour or so with a
test user.
Has anyone used Nagios to detect rogue DHCP severs?
I've got a complicated campus environment where people do things such as
plug in Linksys routers (the wrong way) and hand out DHCP addresses.
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requires a whole new plugin written from scratch, I haven't seen a
tcpdump like plugin. Therefore much more difficult and more time
required, as well as more computationally intensive to watch all traffic
for another dhcpoffer, when actually you'll get the same result.
What about writing a
Yeah. Assuming you're using the default check-host-alive command, which
pings hosts, that obviously won't work if you can't ever ping the host.
You'll need to define a new check command that *can* determine if the host
is up or down.
Perfect. Since they're Exchange servers, I changed a
Is there a way to mass comment out certain lines in your nagios.cfg files?
e.g.
/*
comments
comments
comments
*/
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Is there a way to do some sort of reverse plugin check?
e.g. email me only if, say, check_tcp!25 work some host checks OK
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I've googled for both check_ipsec and check_pptp, but have found nothing
Anyone know of any good ways to check VPN connections with Nagios?
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On 7/9/07, Patrick Morris [EMAIL PROTECTED] wrote:
Sure. See the negate plugin.
Thanks!
For whatever reason, I'm not getting what I'm expecting.
Oddly, I get the same OK result, regardless of whether or not I use the
negate command.
e.g.
[EMAIL PROTECTED] plugins]# ./check_http -H
Then make sure your next question here is clear enough so that we know
what you did. Do not assume anything because we are not there, we can not
see your computer, . What you tell us is what we know about your
setup.
I actually got it. I blew away all the the configs that NagiosQL
How might one use Nagios to monitor an MPLS SLA (service level agreement)?
Some VoIP phones are experiencing jitter, and I'm looking for tools
(ideally, Nagios-friendly) which might help me find the chokepoint(s).
Any help showing in the right direction would be greatly appreciated.
I am checking various mail servers for only two things:
(1) smtp works (check_smtp)
(2) are they black listed (check_spamcop)
The hosts appear down due to Nagios trying to ping them. Inbound IMCP is
obviously not allowed on these types of hosts.
How can I turn off the ping option and only
Again, that's because your service checks are OK, but you have a host
check that doesn't work for those systems.
Fix your host check and it'll turn green.
I think I see what you mean.
check_command check-host-alive ; Default command to check
Linux hosts
Change that value,
I'm reading through the NSClient++ documentation
http://trac.nakednuns.org/nscp/wiki/Documentation
but I don't quite understand how the plugins work. The documentation lists
command[my_command]=/some/executable
my_command=/some/executable
Are there some Windows executable plugins that I
I remember a while back seeing a well-written NRPE vs SNMP webpage
(that was incredibly detailed).
I've googled for a while, and can't seem to refind it.
If anyone has a good one, do share!
thx
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I recently downloaded the NSClient++ plugin so that I could monitor my NT
servers using Nagios.
In the instructions (http://trac.nakednuns.org/nscp/wiki/Documentation), it
says to install it via the command line (nsclient++.exe /install). I do
that, it says that it's finished, so I'm assuming
Basically you can do everything with SNMP. With nearly all devices. But I
never have seen a router with nrpe installed.
While knew that SNMP did just about everything that NRPE did, but I thought
that there might be a couple of things NRPE did independent of SNMP. If I
understand
Hugo van der Kooij wrote:
On Sat, 30 Jun 2007, Rahul Thomas Varghese wrote:
Can anyone please tell me the steps how MRTG is installed, and how can i
monitor the servers in my network. Please give me the steps how MRTG can be
implemented successfully.kindly reply fast the project time is in
Did you look in your web server error log? I don't know what version of
CentOS you are running but do you have SELinux enabled? It might be
complaining about that in error_log.
This is the only error_log file I found while searching (locate
error_log), but it doesn't look Apache-related.
Did you look in your web server error log? I don't know what version of
CentOS you are running but do you have SELinux enabled? It might be
complaining about that in error_log.
Thank you, Marc. The problem actually turned out to be a problem with
SELinux running.
For those who don't know how
I installed Nagios 2.9 via yum on CentOS.
The web page displays correctly (e.g. http://myServer/nagios), but I get the
following error when I hit anything related to the CGI. Any suggestions as
to what I didn't configure properly?
Internal Server Error
The server encountered an internal error
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