Applications or appliances that observe systems and networks to find problems and notify administrators.

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Monitor http endpoint /status with Amazon Cloudwatch

Can I use AWS CloudWatch to check the health of a web app deployed to EC2? Is this the best way to monitor the app? Or is "cloud 53" more useful. Either way, how do I set it up? Pointers to relevant ...
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22 views

Free linux server monitoring tool [on hold]

I've been setting up a nice Proxmox-based server, and I have a few OpenVZ containers running on it. Right now I'm searching for a free monitoring tool that matches the following criterias: avoid the ...
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1answer
6 views

Display uptimes on Zabbix screens

I'm struggling to find a proper way to display uptimes on a Zabbix screen. I have a screen displaying information about each running services health: CPU and memory consumption, and I would like to ...
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1answer
23 views

Monitor WiFi association attempts

I'm using hostapd to create an access point and I was wondering if there's any way for me to get an output of current or recent association attempts. Ideally I'd like to see the MAC ID and any other ...
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1answer
14 views

How to monitor/log wireless events including failed authorization attempts?

Is it possible to log wireless events including failed authorization attempts? I have two access points and also would like to see, which one is serving which client and see when client is connected ...
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1answer
4 views

How to find data/graphs for power and iops

I've used boundary.com for monitoring network usage, data read/write, etc. on a second-to-second basis. I want to put together a demonstration of a few hardware solutions and have a way to present ...
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1answer
49 views

monitoring ping status of a server

I am new to zabbix. Basically I want to monitor whether a ping becomes unresponsive of a server. So to try it out, I picked www.google.com(103.7.200.87) to monitor the status of the ping. But my ...
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11 views

What are the benefits of WS-Management over CIM-XML?

WS-Management and CIM-XML ultimately both seem to deliver the same functionality (i.e. the capability to work with CIM instances via CIM server), and the only difference - superficially - appears to ...
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1answer
11 views

How to configure xymon hobbit with nginx instead of apache

i installed xymon on debian 7 with an apt-get install xymon now i can't find how to configure nginx.conf to make it work i tried this but not working when i try to access http://debian.local/xymon, ...
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23 views

Is it reasonable to use an external website as a health check

I have a 4 proxy servers spread across a couple of datacentres that serve a large number of users on a WAN. These are load balanced using an F5 GTM located at each site. My goal is to write a health ...
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10 views

Using sar to produce data to graph cpu utilization

I am looking into charting cpu utilisation and have gone down the path of sar within the sysstat package as it provides a clear idle value for all processors/cores grouped together. sar -u 3 10 # Run ...
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1answer
30 views

Ipvsadm to monitor connections on a load balancer

I am working on to set up Haproxy on a load balancer with two backend web servers in the first period. The problem I am facing is to monitor number of connections to each of my web servers. I have ...
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97 views

Get real time CPU usage of linux process with single line command and as a simple result

I've searched everywhere and found nothing about this. I'm trying to create a small gauge that shows the CPU usage of one process specified by PID. I need the command to print a simple answer , hence ...
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110 views

How do I open the firewall for my monitoring software to access WMI?

I have a SQL Server machine and a monitoring machine, and I need the monitoring software on the monitor host to be able to read the WMI data on the SQL Server host. (The monitoring software is ...
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17 views

Cisco multi switch / multi VLAN monitoring

I have a DMZ and a internal LAN with VLANs that I wish to port monitor by means of a NIDS and three switches, if this is possible. Switch 1 (DMZ) 2950 / VLAN 10 & trunk port to Switch 3 Switch 2 ...
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3answers
32 views

Monitoring file for changes and immediately take action on change

How can I constantly monitor (small) file for changes? Eg. when file is updated (action from web application), a script is executed (if not already running). Right now, I do it every minute using ...
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1answer
12 views

Monitor file access with ACL enabled

I would like to check that user 'robert' has read access to a file but is not enabled neither write it nor execute it. Since acl are enabled, there is more than one way to do it. I would like to ...
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1answer
54 views

Can cacti display some TEXT output from mib at my graph?

My switch can check if there is an SFP connector present in its ports and their respective link status. I want to display this information in Cacti graphs for each interface of my switch. The switch ...
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1answer
14 views

How to restart and alert if condition matches in Monit?

How can I do multiple things when condition is matched? For example if I want to restart a process and also send alert email. I know I can do it with two separate lines, but can I combine them? if ...
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42 views

How to divide hosts by groups in Icinga2 properly?

I just migrate from Nagios to Icinga2 and have a question. For example I have bunch of hosts related to group by their functional for example "web". But I want to check temperature for that group with ...
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1answer
30 views

Monitoring /proc/net/udp

I am interested in tracking changes in /proc/net/udp, particularly in the "drops" column. I want to know the the approximate time when a drop counter goes up. Also, if the socket gets destroyed, I ...
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2answers
60 views

Is Collectd a good choice for gathering system metrics [closed]

I had some experience with collectd a year or so back. I remember being impressed by its speed and flexibility, however it was never adopted as the main source of collecting metrics, cron jobs running ...
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1answer
44 views

Monitoring Linux system Calls (efficiently)

What is the fastest way to monitor linux system calls and log them to a file? This post has some great info: Monitoring system calls (in a reliable and secure way) It's seems that the Audit ...
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2answers
238 views

How to monitor quality of unreliable link over time?

We have ISP that provides us with a shoddy service. It usually works, but there are times when it works really bad, drops connections and gets awfully slow. Sadly, our contract doesn't have SLA clause ...
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135 views

How to display MongoDB stats in Graphite?

After googling for 2 days with no solution I would like to know if anyone uses Graphite with either CollectD or StatsD to include MongoDB statistics in a dashboard. I was hoping for an up-to-date ...
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1answer
84 views

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 ...
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1answer
46 views

How to configure Monit to alert me when anything appears in syslog

I want Monit to alert me if ANYTHING shows up in syslog - as anything in there would be abnormal. I've tried the following and I'm not receiving any alert emails when I manually add something to ...
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1answer
148 views

Icinga - Very high check latency in distributed environment

I have a distributed Icinga setup set up as follows: CENTRAL Receives passive check results only DISTRIBUTED A 227 hosts 835 services DISTRIBUTED B 67 hosts 243 ...
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1answer
52 views

Collectd “interface” plugin reporting cumulative value rather than rate

Collectd's interface plugin is supposed to report octets per second and packets per second, as documented here: https://collectd.org/wiki/index.php/Plugin:Interface, but for me, it reports cumulative ...
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2answers
99 views

Nagios Basic Configuration (for quick addition of new machines)

I recently started to use Nagios to monitor about 25 servers (mainly virtual, with some standalone). Them majority of the servers (including the Nagios host itself) are running Ubuntu 14.04 LTS, with ...
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22 views

How do I tell New Relic to forget my server? [closed]

Let's say I create a cluster of servers to run a task and I only want to monitor them while the task is running. Right before I shut down the servers, is there a New Relic command I can run---FROM ...
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3answers
80 views

Is it possible to find a computer's physical location in a room?

I'm currently working on our network monitoring system (NMS) project, and I want to know if there's a way for me to pinpoint where each PC is currently at. Say, for example, we have a room with 40 ...
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8 views

Error Reporting for File Copy Process

I have a rather complex process in place which runs a java program to retrieve service records from our CRM and export them into an excel spreadsheet, which gets placed onto a server in our data ...
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15 views

check_mk_agent only_from use hostname rather than static ip due to dynamic ip

I currently have a group of servers that I'd like to setup check_mk_agent on to monitor from omd. I have the agent running correctly, however my omd instance does not have a static IP address so I'm ...
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2answers
177 views

Backup Monitoring Solution [closed]

I've been testing out different backup software across our environment and the one thing that I can't seem to get a handle on is the monitoring of these backup solutions. I can't find one backup ...
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1answer
32 views

Observium > Cannot retrieve processor/memory data from host

I have successfully setup an Observium monitoring server on a AWS EC2 instance to monitor other EC2 instances running Ubuntu. Hosts has been added successfully. I can run snmpwalk -v1 -c public ...
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2answers
63 views

Which method can I use to automate DNS-failover with monitoring?

We're operating multiple redundant servers across the world for latency reasons. Currently if one site goes down, our only way to let another site take over that region is through DNS. We would like ...
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1answer
41 views

Test cloud VM performance

I have a linux VM hosted in a cloud environment. I suspect the provider to do too much overprovisioning with CPU and IO, from time to time. For example postgresql's reports 300ms+ queries that are ...
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3answers
66 views

how to use tcpdump to log only certain data in real time

I'd like to monitor network interfaces but only log things likes errors, collisions and dropped packets. The send that to stdout. – Can tcpdump be configured to do this?
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1answer
44 views

Zabbix graphs : using a previous timeshift as a background

I want to improve my zabbix graphs, Something like desribed in this netflix article (about sps) http://techblog.netflix.com/2015/02/sps-pulse-of-netflix-streaming.html Show current data under the ...
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2answers
97 views

How to import or export nagios host Data from command line

This might be a basic question for some of you but being a beginner i wanted to know how to export or import data of the current status(CPU, Memory, Diskspace etc) of the host from command line into a ...
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1answer
137 views

Turning off specific Icinga 2 notifications over HTTP

In Nagios Core, it is possible to turn off notifications for a specific service or host through the web interface. This is a simple web request, which we can also construct in a command line ...
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2answers
116 views

Zabbix server SELinux policy

I have a Zabbix server running on a RHEL 7 box and when I use the web front end (on the same box) it says Zabbix server is not running. If I disable SELinux and change nothing else, the web front end ...
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53 views

How to monitor Windows mount points with Observium?

I am evaluating Observium for host and network monitoring and have many servers that use Windows mount points to mount the disks, rather than use drive letters. Using the standard SNMP service in ...
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1answer
89 views

How to make Nimsoft run a script when an alert is trapped?

We'd like configure Nimsoft Alert Server [NAS] to run a script that collects additional data from the servers which trigger an alert. For example: when server XYZ trips an alert for CPU utilization, ...
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1answer
176 views

Zabbix cannot connect to a PostgreSQL database

First off I am running CentOS 6.5 and attempting to use Zabbix 2.2.4. Any hostnames have been replaced with examples. I have installed the following RPMs onto my Zabbix machine ( hostname will be ...
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1answer
155 views

Execute custom monit script upon failure to restart the process [duplicate]

I have a case where empty PID files are being generated by certain processes which are monitored by monit. Monit is NOT so good in handling empty files and tries to re-start the process even when the ...
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1answer
106 views

Awaken monit daemon every few hours for all monitored processes

I am seeing a problem with monit config in configuring the monit daemon to awaken every few hours and start monitoring the processes which were set to "Not Monitored" state. PROBLEM: When the monit ...
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2answers
145 views

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 ...
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33 views

Monitoring a process with supervisord and shell script/ curl test

I'd like to perform a HTTP POST request to a process under supervisord control. If the HTTP POST times out, or returns bad response, the process is restarted by supervisord. This would be like ...