Questions tagged [nagios]
Nagios is a monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.
1,296
questions
5
votes
3
answers
9k
views
Nagios - Define as service for all the members of a group *except* some hosts?
We're using nagios to check our ssh server is running. We have the check_ssh group defined for all members of a certain group. We have other services defined for that group as well. Everything is fine....
5
votes
2
answers
8k
views
The best nagios plugin for SMART? [closed]
I've tried the best plugin for nagios to SMART monitoring. There are some, but only monitoring temperature. But with smartctl we can find more data. Do you have some better plugins with all data from ...
5
votes
4
answers
44k
views
Nagios - Could not complete SSL handshake
I'm trying to configure Nagios command for checking status of physical memory on a remote Windows host using NRPE plugin. I'm using Nagios v3.0.6 on Ubuntu Server v14.10, and latest stable version of ...
5
votes
4
answers
25k
views
NRPE and the $USER1$ variable
I have NRPE daemons running on all of my remote Linux boxes. I have a couple configurations in place and I'm trying to standardize the paths in my nrpe.cfg. The changes are deployed via Puppet.
I ...
5
votes
6
answers
28k
views
nrpe: Host is not allowed to talk to us
I installed nrpe on new servers. Nagios is already running and checking other server (I haven't installed).
I've got several error lines in my syslog file :
Oct 31 15:17:01 myservername nrpe[41848]: ...
5
votes
4
answers
11k
views
How can I make Status Information for Nagios services easier to read?
I'm running Nagios in an environment with several servers, each with several services on them. There are a few custom checks, but it's nice to use existing checks if possible. I'm using NRPE plugin ...
5
votes
2
answers
16k
views
What's the best method to monitor an OpenVPN server?
I have an OpenVPN server machine which resides on an isolated network, a NAT rule in the company's firewall is redirecting all traffic on port 1194 (tcp) from the public IP I chose to the internal ...
5
votes
2
answers
19k
views
Have Nagios execute a command when it detects a down host
I would like Nagios to execute a Bash command/script when it detects a host down or up. This would allow me to react to down hosts to some degree which would be very interesting.
How would I do this ?...
5
votes
7
answers
7k
views
Choosing a monitoring system for a dynamically scaling environment: Nagios v. Zabbix [closed]
When operating in the cloud and scaling boxes automatically, there are certain monitoring issues that one experiences. Sometimes we might be monitoring 10 boxes and sometimes 100. The machines will ...
5
votes
5
answers
20k
views
Nagios simple dashboard [closed]
I am looking for a dead simple dashboard for Nagios so our IT team can view the status of our services.
In an old version of what's up gold, it was a nice dashboard with different rectangular shape ...
5
votes
4
answers
12k
views
SELinux prevents Nagios plugins from running on RHEL6
After installing Nagios NRPE & Nagios Plugins, I'm getting the following entry in my rsyslog:
May 13 14:01:30 wcmisdlin02 kernel: type=1400 audit(1305309690.482:2334): avc: denied { getattr } ...
5
votes
1
answer
4k
views
Nagios check with $ in parameter
I need to add Nagios checks for Windows SQL services that have a dollar sign in the name (e.g. MSSQL$TOLLCONNECT) but am so far unable to work out how to pass that name along without it being Nagios ...
5
votes
3
answers
27k
views
Nagios: Disable notifications from command line on Windows/Linux
Our routine maintenance requires services have to be brought down.
The problem is these services have Nagios checks and we either have to go to the web interface and disable the check or get the ...
5
votes
1
answer
3k
views
Simple monitoring solution for a single server [closed]
I have a little experience with server monitoring products from my previous job (mainly Nagios), but never had the chance to set up a monitoring scheme from scratch. Every time there was a number of ...
5
votes
4
answers
6k
views
Checking for read only file systems remotely
I need to remotely periodically check if a Linux file system is mounted read only on lots of servers. The only tools at my disposal in this instance are the usual CLI scripting languages (BASH/Perl/...
5
votes
3
answers
7k
views
Check SSL certificate validity, including CA chain, with Nagios
Nagios can do SSL checking, but it doesn't actually check if the certificate is valid for the connection address you're using (common name match).
On one of our servers, a postfix configuration file ...
5
votes
1
answer
21k
views
How do I add a host in icinga-web?
how do I add a host in icinga-web? Do I need to modify access.xml and rebuild the cache? Or can I have a configuration similar to icinga/nagios?
5
votes
2
answers
4k
views
Nagios alert based on scheduled MySQL queries results
I have installed Nagios 4.0 on my Ubuntu 14.0 and i want a plugin to alert me based on daily scheduled MySql queries ..
if the result of ( select count(*) from tableName > 10 ) raise a critical ...
5
votes
2
answers
9k
views
Overriding Nagios hostgroup service with host service
I currently am experimenting with defining a set of services to all hosts in a hostgroup, this is working fine.
My issue is that I then want to be able to override these service definitions which ...
5
votes
3
answers
7k
views
Check if puppet agent is up to date
I would like to check with my nagios monitoring if every node use current catalog version provided by puppetmaster.
In my situation, there are:
puppetmaster
host1
host2
hostX
I would like to create ...
5
votes
3
answers
663
views
Monitoring various Nagios? Alternative to Coffeesaint [closed]
In our company, we have one nagios for each of our clients, to offer them a 24x7 monitoring service. Currently, we are using Coffeesaint to have a "central monitoring display" were all alarms about ...
5
votes
1
answer
6k
views
Nagios check_total_procs with Default Values
We are using the Nagios plugin check_total_procs to check the total number of processes on our servers. The default settings for this that are installed are:
command[check_total_procs]=/usr/lib/...
5
votes
2
answers
2k
views
Ways to monitor SIP termination on an asterisk server
I have a nagios setup which ensures that SIP is responsive on my Asterisk server, that's straight forward.
My question is, what kind of possibilities are there that the Asterisk server can actually ...
5
votes
3
answers
40k
views
nagios nrpe unable to read output
I'm trying to use check_nrpe to check on a remote server, but it's not working and I can't figure out what am I missing...
# /usr/lib/nagios/plugins/check_nrpe -H XXX -c check_load -a 6,5,4 8,7,6
...
5
votes
3
answers
52k
views
NSClient++ returns 'Connection Refused'
I have been unsuccessfully trying to get NSClient to work on my 64 bit Windows 7 machine with Windows Firewall turned off.
I have tried with the service started and also tried running 'NSClient++ /...
5
votes
1
answer
20k
views
Nagios not following redirect with check_http
Currently for testing I set the service check as follows:
define service{
use generic-service
host_name <host>
service_description HTTP
check_command check_http!-s "blablabla" -f ...
5
votes
5
answers
7k
views
How to send an "Everything is OK" notification from Nagios?
I need to configure Nagios to send a notification that says everything goes well, if there's no problems.
Does this sort of setting exist or is there a plugin for that?
5
votes
3
answers
12k
views
Monitor ESXi hosts with Nagios
Does anyone recommend any methods for monitoring ESXi 4.1 hosts with Nagios? I have looked into SNMP but it seems to be in a pretty sorry state. Net-SNMP does not seem to be included and there is a ...
5
votes
2
answers
1k
views
Any good rsnapshot nagios plugins?
I'm using Nagios to monitor servers, and we use rsnapshot for backups. I'd like a plugin for Nagios that monitors that rsnapshot is being run successfully. I've seen some rsnapshot plugins that will ...
5
votes
2
answers
18k
views
How to define a host group on Nagios 4
I would like to define a host group on Nagios 4. In recon it should be defined somewhere in /usr/local/nagios/etc. I tried creating a file hostgroups.cfg that with contents:
define hostgroup{
...
5
votes
1
answer
444
views
Notify when some grouped services fail in Nagios [duplicate]
I have three DNS services, each on different hosts configured in Nagios. Each service notifies me whenever it is failing (DNS on host A down).
Is it possible to configure Nagios so that I'm only ...
5
votes
5
answers
38k
views
Nagios: NRPE: Unable to read output, Can't find the reason, can you?
I have a Nagios server and a monitored server.
On the monitored server:
[root@Monitored ~]# netstat -an |grep :5666
tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN ...
5
votes
1
answer
3k
views
Nagios best practices for setting up hosts/services?
I am having a hard time trying to get my head around some of the more basic concepts of Nagios that I thought would be straight forward.
Basically, as well as the standard local infrastructure, I ...
5
votes
6
answers
5k
views
Nagios failing to expand $CONTACTEMAIL$ macro in notificaion command
I'm having a problem where my nofication command isn't expanding the $CONTACTEMAIL$ macro
(Version 3.2.1 installed on debian squeeze using the debian packages)
me@hostname:/etc/nagiosql# dpkg -l | ...
5
votes
2
answers
10k
views
Nagios NRPE check_procs reporting incorrect number
I have an etch nagios server (I will call this NagiosServer), successfully monitoring lots of stuff, including another etch server (MonitorEtch). Using check_nrpe and check_procs I'm able to check the ...
5
votes
1
answer
5k
views
How do I Display Nagios Host Custom Variables or Macros in the Web Interface?
How can I display custom host variables in the Nagios web interface such as _mac_address?
5
votes
5
answers
9k
views
nagios Missing Dependency: perl(Net::SNMP)
I have an odd problem. I'm trying to install nagios NRPE but it keeps failing with
nagios-plugins-1.4.15-2.el5.rf.i386 from rpmforge has depsolving problems
--> Missing Dependency: perl(Net::...
5
votes
1
answer
2k
views
How can I monitor VNC via Nagios?
I have a number of remote sites which have VNC running on a few computers for support purposes. They are (obviously) only available on our internal network.
I am using Nagios to keep track of all ...
5
votes
1
answer
5k
views
In Icinga (Nagios), how do I configure hosts with multiple IPs?
I'm setting up Icinga (Nagios fork) and I have some machines with multiple interfaces. Some services are only listening on one of them and to check them correctly, I like to know if it's possible to ...
5
votes
3
answers
5k
views
Nagios (Return code of 141 is out of bounds) on random services
We have had Nagios running on one of our servers with out any problems for a while but lately we get (Return code of 141 is out of bounds).
The load on the server raised because we gone online with ...
5
votes
1
answer
4k
views
Nagios performance graphs
I've written my own perl script to return status from a server of mine. It is running just fine (ie. performance data: val1=1; val2=5; val3=10).
Using templates.dist/default.php this gives me 3 ...
5
votes
5
answers
8k
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 ...
5
votes
1
answer
2k
views
Nagios: How to aggregate a large amount of notifications into one email notifcation?
I have a Nagios server which monitors many servers.
There's a dashboard which has been coded in-house and it sends monitoring data using passive checks to the Nagios server.
Whenever an issue occurs, ...
5
votes
1
answer
2k
views
How to allow Active Directory authenticated users use Nagios web interface?
I have put .htaccess files in the Nagios html root and CGI root directories, so in order to get access to the web interface, the users needs a valid Active Directory account.
The problem I have is in ...
5
votes
1
answer
12k
views
NAGIOS notification command for service/contactgroup
We have 3 templates for services, low-priority, high-priorty and medium-priorty. Low priority services are attached to the contactgroup low, medium priorty services are attached to the contact group ...
5
votes
1
answer
1k
views
Configuring holidays for Nagios
I had nagios configured to know that this was a holiday:
monday -1 may 00:00-24:00 ; Memorial Day (Last Monday in May)
As far as I can tell it didn't work on Monday because I received some ...
5
votes
1
answer
4k
views
How the heck do you test an HTTPS site for a revoked cert?
I'm currently using nagios to do monitoring, including using the check_http options to check for an SSL cert that expires soon, etc. What I'd like to do is include testing for revoked certs for each ...
5
votes
1
answer
1k
views
Nagios escalations, prematurely critical escalation after warning
In Nagios 3, I would like a service to be escalated after being critical XX minutes. It works great on services that go from UP to CRITICAL. However, if the service has been warning >XX minutes (say ...
5
votes
2
answers
266
views
Monitoring tool which does not average data over time [closed]
I am looking for a monitoring system like Cacti which doesn't loose data over a time, all the tools I have found use rrd files which averages the data as time goes by.
I would like a to be able to go ...
4
votes
2
answers
5k
views
is Sensu a replacement for both CollectD and Nagios?
Trying to get my facts straight here.
Is Sensu (pretty new kid on the block) meant to be a replacement for both the following?:
Nagios (monitoring & alerting)
collectD (feeding info to Nagios ...