Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [nagios]

Nagios is a monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

Nagios watches hosts and services that you specify, alerting you when things go bad and when they get better. Some of its many features include monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, etc.), monitoring of host resources (processor load, disk usage, etc.), and contact notifications when service or host problems occur and get resolved (via email, pager, or user-defined method).

Nagios is extremely customizable. Its mechanism for checking the status of hosts and services is to run standalone programs the communicate with the Nagios master via their standardoutput and return codes. It is therefore relatively easy to add new status checks to Nagios without much work beyond writing the standalone program and configuring Nagios to call it.

1294 questions
4
votes
2 answers

Missing Feature in check_tcp Nagios Plugin

I've got a problem with the check_tcp plugin from Nagios and could not find any plugin that works like I need. I'm sending a string to a port via check_tcp and get a number back, in this case 2580. On this number I need to define warning and crital…
Kjellson
  • 85
  • 6
4
votes
1 answer

Configuring nagios notification settings to be very frequent

I've set up a Proxmox VE Cluster with three nodes. Each nodes has a number of VMs running on it. I'm using the PVE Monitor Plugin to set up the hosts and services, which works fine. My issue is that Nagios's email-sending behavior is somehow odd.…
doque
  • 207
  • 3
  • 7
4
votes
2 answers

Nagios Event Handler/Command not executing

I'm trying to configure my Nagios setup to automatically log a ticket in our ticketing system when a host goes down (PING service goes into a HARD CRITICAL state). I've got a script that will create tickets that runs successfully with 'sudo -u…
Chris Heilman
  • 43
  • 1
  • 4
4
votes
1 answer

Monitoring HP Smartarray (cciss) with nagios

I'm trying to monitor an HP Smart Array controller using nagios. I have 4 disks on 2 RAID1 arrays, so 2 disks per RAID1. I installed nrpe-server and nrpe-plugins and I'm using the almighty check_raid plugin, but it seems to only be seeing my first…
GnP
  • 955
  • 8
  • 15
4
votes
1 answer

Nagios plugin check_hwinfo not working

I am using Nagios to monitor Windows hosts. I am using Nagios 3.5 running on a Centos 7 server. The following packages have been installed from the official repositories and from the EPEL repository: nagios nagios-plugins-all nagios-plugins-nrpe So…
dlyk1988
  • 1,674
  • 4
  • 24
  • 36
4
votes
2 answers

nagios contact groups to check_mk

I have Nagios installed with traditional configuration files. I have created some contact groups and assigned them to hosts. For web UI I'm using check_mk. And here's the question: Check_mk supports showing hosts/services based on contact group…
Skiaddict
  • 116
  • 1
  • 10
4
votes
2 answers

Allowing nagios plugin check_dhcp to work without setuid root

Nagios has a plugin, check_dhcp, that does exactly what you'd think. It's widely suggested to install it setuid root, because it uses SO_BINDTODEVICE, which usually only root can do. Of course a similar thing can be accomplished with sudo as well,…
Phil Frost
  • 647
  • 5
  • 18
4
votes
1 answer

Custom nagios command, append $HOSTADDRESS$

I'm very new to nagios, and trying to get a custom command to bend to my will. I have looked through various examples, and can't find anyone appending the $HOSTADDRESS$ macro, so maybe I have to go about this a different route, but what I need, is…
Kyle
  • 225
  • 1
  • 3
  • 7
4
votes
2 answers

Adding all hosts in subnet to icinga monitoring without specifying hostname/IP

I have a provisioning system setting up new hosts to be in the domain test.domain.local, i.e. client44.test.domain.local, and I have an Icinga server which I would like to automatically monitor all these hosts using regex, like…
fredmu
  • 43
  • 4
4
votes
2 answers

Nagios child/parent relationship for host that is reachable by multiple paths?

Consider the following network setup below: Further, assume that Switch 1 and 2 are managed switches, but only have an IP address assigned on vlan3. How would you set up the parent/child tree for a setup like this? If switch 1 or 2 goes down,…
Azendale
  • 1,525
  • 2
  • 11
  • 16
4
votes
1 answer

Nagios - check_openmanage broken by latest SW update

Have been updating some servers in a small group this week. A mixture of CentOS 6.x and RHEL 5.x. In every case they are getting an updated srvadmin-* package and subsequently popping up in nagios with the error (SNMP) OpenManage is not installed or…
ethrbunny
  • 2,369
  • 4
  • 41
  • 75
4
votes
2 answers

Query Nagios status programmatically

I recently acquired a nice 7×11 LED display, and I want (among other stuff) display my nagios status on it. For that I need to query the status of my Nagios installation. What is the appropriate way to get a status summary (e.g. number of non-OK…
Joachim Breitner
  • 3,779
  • 3
  • 18
  • 21
4
votes
2 answers

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 in this setup)
Gbrits
  • 683
  • 1
  • 7
  • 9
4
votes
2 answers

Possible to override contacts for just one Nagios host group?

The contact for all my linux hosts is the admins Nagios contact_group. But for this one Linux host would I like that the contact_group called sandradebug also gets notified. The problem is, that when I add contact_groups sandradebug it is still only…
Sandra
  • 10,303
  • 38
  • 112
  • 165
4
votes
3 answers

What is a check_mk sticky comment when acknowledging a host/service?

I wanted to attach a comment to a system that is being monitored with Nagios. I prefer using check_mk as GUI. Now I stumbled across this: I can set a comment as sticky and/or persistent. So I asked our Nagios-admin what the difference between sticky…
Nils
  • 7,695
  • 3
  • 34
  • 73
1 2 3
…
86 87