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

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3 views

Graphite: carbon instrumentation: send to another server

I have a Graphite architecture composed of several elements (HAProxy, Carbon relays and caches) and I use a carbon relay to replicate my data between 2 Graphite servers which store it in Whisper ...
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0answers
3 views

Debugging Nagios notification failure

I have spent the day setting up custom twitter notification on nagios. Everything seems to be in place and the notifications seems to be triggered but the script is not called. my contacts ...
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2answers
917 views

MySQL per user monitoring

Is there a tool for monitoring per user MySQL usage? Like number of queries for example. I have been looking on Munin which I currently use, but did not find anything. A similar tool is the per user ...
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4answers
725 views

Random IP's constantly trying to connect to SQL Server

We are building a cloud-based application that relies on a login database as well as many individual client databases. Using rackspace we have setup a server (windows server 2012) with SQL Management ...
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0answers
25 views

How to measure DISK IO latency, CPU & memory load [on hold]

Definitely not a duplicate of : Can you help me with my capacity planning? The question I have is about available tools TO MEASURE, I do not ask HOW I SHOULD measure... If one of our customers wants ...
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3answers
46 views

Use Nagios to monitor 2 locations

As I am new to Nagios, I would like to ask if anyone knows how to monitor 2 physical locations using Nagios. So for example, we are having 2 datacenters which are interconnected. I have set-up a ...
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0answers
33 views

How to determine what is causing the server to go down

I have installed monit on a Ubuntu box (DigitalOcean VPS), which with 1 core and 1GB of memory. I realise its not a lot but the server doesn't get much traffic, most of the time CPU usage keeps around ...
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1answer
1k views

Issues in monitoring apache tomcat server using Monit

I have installed Monit using the following command in Ubuntu Linux 12.04.1 server sudo apt-get install monit My main goal in using Monit is to restart my - MySQL and Apache tomcat services ...
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1answer
399 views

Monit: How to optimally monitor an URL

My webserver runs nginx with php5-fpm. If some trouble occurs, usually php5-fpm hung up, resulting in a "bad gateway" server error. Of course, I never know, if nginx may crash as well, some day. When ...
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1answer
22 views

Open Source Network Monitoring Primarily for Linux Cloud Environment [closed]

How are you currently monitoring your Linux network in the cloud? We run several (read 7) CentOS instances that host several websites as-well-as a couple of MySQL instances. I am trying to find an ...
4
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1answer
2k views

Have issue with monitoring 32bit app pools running on 64bit IIS

I am performing a monitoring task on my 64bit web server which has couple of applications pools running in 32bit mode. I am using .Net CLR Memory object in perfmon to monitor them. However, my ...
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3answers
2k views

Nagios plugin to take process snapshot when load is high

We have configured Nagios with check_load via NRPE plugin to monitor server load, it reports when load is high, but does not have option to take a snapshot top processes (like top command) at that ...
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1answer
19 views

Munin aggregation not working (summing CPU time across servers)

I am trying to get an aggregated graph of CPU usage across some servers. I have come up with this so far: [totals] update no contacts no lb_cpu.graph_title LB Total User CPU ...
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7answers
2k views

How to monitor cron tasks and get emails when they don't run?

I realize that when any cron has output it will email that output... what I'm trying to determine is that if I have a script scheduled for 3 AM on Tuesday and for whatever reason it either throws an ...
13
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11answers
14k views

Techniques to Monitor cron tasks?

Are there good techniques for monitoring cron tasks over a cluster? We're starting to use cron to launch tasks at daily intervals. A few ideas for checking out information: Add special application ...
1
vote
1answer
2k views

How to monitor CPU usage on a device running embedded Linux and BusyBox?

I recently began working with a device that uses embedded Linux and BusyBox. It is very stripped down, and does not have iostat or sar. It also doesn't have dpkg or apt for package management. The ...
4
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1answer
1k views

God Process Monitoring - CentOS - Event System Not Found

I have god installed on at least a dozen (or more) servers running CentOS 5.5 in both i386 and x86_64 flavors that work perfectly. I just setup two new CentOS 5.5 x86_64 servers and installed God, but ...
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2answers
3k views

Monitor a HTTPS site requiring login with Nagios

I'm trying to figure out how to get Nagios to monitor a few sites that are using HTTPS and require a username/password to log in - I can't figure out how it should be done so I can set a username and ...
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0answers
14 views

check_mk: global name 'entry' is not defined

I'm having a ton of trouble with a nagios installation I've been working on powered by check_mk and OMD. When using the web gui to manage check_mk, the notifications page displays the following Python ...
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1answer
158 views

Adding normal graph on memory usage per process to Zabbix

I need to monitor memory usage per process of processes on Linux. My monitoring tool is Zabbix. I found some links which describe how we can do it on windows. As an example I can refer to Host ...
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2answers
93 views

How to best monitor/log problems on eth0?

I have manually configured an email server - very simple config and I have done no fancy networking. I simply opened up only the relevant ports via iptables. Once every 10-15 days however, eth0 ...
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0answers
36 views

How to parse and graph sar/sysstat

The sar binary from the sysstat package returns a huge set of useful metrics, that are already pre-configured and sitting on the system waiting to be used. I would like to push them to statsd, so that ...
6
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4answers
2k views

How best to monitor logstash?

I've seen this question on the mailing list a few times but haven't had a satisfactory answer. How best to monitor that the pipeline isn't stuck? Clients -> logstash -> elasticsearch. Logstash and ...
2
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2answers
233 views

Monitoring of disk usage over time - check for large variations [closed]

I'm looking for a tool that would monitor disk usage over time. What I'm looking for is folders or files that grow unexpectedly over a short period of time. I use du , ncdu, baobab (when X is ...
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0answers
11 views

Can I configure PCP (Performance Co-pilot) clients to report to a monitoring server from behind a firewall

I have several computers that are running applications. These computers are on the internet, in that they can connect out to the general internet over port 80. These computers have dynamic IP ...
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1answer
44 views

Sensu Client not registering in Uchiwa

I have setup sensu on a Centos 6.5 box and installed/configured the client on the sensu box so it monitors itself like so /etc/sensu/conf.d/client.json { "client": { "name": "sensu", ...
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1answer
1k views

Munin - apache_watch_ plugin, does not show any data in the graphs that shows activity for per vhosts

I am using Munin for monitoring my server. I installed the apache_watch_ plugin so that i could see apache related activity. The graphs for apache_accesses, apache_processes and apache_volume work ...
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1answer
176 views

Nagiosgraph mouseover fails

I have setup Nagios 4 together with Nagiosgraph and they are both working perfect. However the javascript Mouseover effect does not work. I have copied the following line in ...
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1answer
2k views

What Logs / Process Stats to monitor on a Ubuntu FTP server?

I am administering a server with Ubuntu Server which is running pureFTP. So far all is well, but I would like to know what I should be monitoring so that I can spot any potential stability and ...
4
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5answers
19k views

What Warning and Critical values to use for check_load?

Right now I am using these values: # y = c * p / 100 # y: nagios value # c: number of cores # p: wanted load procent # 4 cores # time 5 minutes 10 minutes 15 minutes # warning: 90% ...
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0answers
29 views

How to check what process or application is deleting a file without using Process Monitor? (Windows Server)

Currently I'm having an issue with a piece of software that makes use of specific files (which are basically xml), sometimes stored on a file share and sometimes stored locally. Every so often one of ...
5
votes
6answers
10k views

Use Nagios to monitor a log file and send log details

I know Nagios can monitor and alert on the content within a log file, but does anyone know of a plug-in, or other tool, that will monitor a log file for a particular string and then send the entire ...
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2answers
235 views

Network and Server Management Tools

We are building a farm of test servers. Currently we have 8 servers. We are planning to use the servers to test the following Mysql Cluster Xen or KVM virtualization Heartbeat/Pacemaker/DRDB What ...
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3answers
954 views

Dell Servers - Email notification [closed]

We have all Dell servers in our environment. We want some sort of software (Dell software or 3rd party) that will notify us via email if any hardware failures occur. What do you recommend?
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1answer
24 views

System-monitoring with Cacti: How to execute arbitrary script when threshold reached?

When doing system-monitor with Cacti[1], can you execute an arbitrary script when a threshold is reached, yes or no? If yes, how? [1] I was planning on using the Cacti plugin Thold but as far as I ...
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0answers
46 views

DFS replication monitoring under a non-administrative account

I have a DFS replication set up on two Windows Server 2012 machines in a domain, the DFS consists of one namespace, two servers, several replication groups each containing one folder. I have been ...
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2answers
4k views

check_ssh executed from Nagios server returns “Server answer: ”, nothing else

Commmand works on the host I need to monitor (its IP is denoted as $HOSTADDRESS$ here): [root@host ~]# /usr/local/nagios/libexec/check_ssh localhost SSH OK - OpenSSH_4.3 (protocol 2.0) However, on ...
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2answers
2k views

How to send Windows Performance counters to Logstash + Kibana?

I would like to setup monitoring for system resources on my Windows servers. I've noticed a common configuration in Linux is to use collectd daemon to get system metrics information. From collectd ...
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0answers
7 views

ServerTech Sentry4 OID for AMPs

Does anyone have the oid for AMPS for Sentry4 PRO2 CDU? I am trying to monitor the amount of total amps for the CDU and I am having a hard time finding the OID for what I want. Any help would be ...
2
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1answer
8k views

Zabbix does not send emails

I'm trying to configure zabbix with email notifications. I read many docs about it already, but I must be missing something still, because it doesn't work... What I have configured at the moment: ...
1
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0answers
26 views

Monitoring Exchange 2013 Databases with Intermapper [closed]

I'm currently setting up a Intermapper map, which is a monitoring system, to monitor a Exchange 2013 server and I couldn't find yet a way to monitor the databases health. For now, just the mount ...
2
votes
2answers
2k views

Get port vlan tag via snmp on HP Procurve

I'm trying to write a nagios check that will check if a port is a member of (tagged in) a perticular VLAN. I've discovered the following SNMP location SNMPv2-SMI::mib-2.17.7.1.4.5.1.1.40 for checking ...
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1answer
1k views

Initializing portracker database files in nfsen

I have configured nfsen on Ubuntu. After that I configured PortTracker plugin but database files cannot be initialized. #cd /usr/local/src #wget ...
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1answer
47 views

Grahping VMware VM's network traffic

We have a mixture of managed and unmanaged VMs within out VMware platform, For our managed VMs we use SNMP within the VM to graph the VM's network traffic which we then use for billing if the customer ...
0
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1answer
24 views

Exclude field in munin chart

I have written my first Munin plugin to monitor my WAN traffic at home. The chart includes the actual traffic (as DERIVE) and the maximum possible speed (as GAUGE) for my Internet connection. I want ...
23
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1answer
5k views

Get notification from supervisord when a job exits

Is there any way supervisord can automatically restart a failed/exited/terminated job and send me a notification email with a dump of the last x lines of log file?
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2answers
58 views

Does anyone know of a good free tool that can be used to ping our Postgres database server to determine if it is running or not? [closed]

I'm looking for a free tool which runs on my desktop (not the server itself) that will periodically test to see if our database server is up and running properly. Ideally, it should also be able to ...
0
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1answer
44 views

snmpd does not update date due to filesystem access error in new ubuntu versions

My Cacti stopped graphing network data for servers that I monitor using snmp. I am able to manually query the corresponding counter using snmpget $ snmpget -v 2c -c XXX XXX .1.3.6.1.2.1.31.1.1.1.6.4 ...
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1answer
42 views

Monitoring Processes in Detail - not summarized [closed]

I want to monitor the running processes of a linux machine over time. My do-it-yourself solution would be: Dump ps aux --forest every minute to a file. Background: If I get a message "something ...
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0answers
9 views

PRTG Network Monitor custom sensor - return grouped data

I have an IBM DS3512 storage system that I want to monitor. So far I was able to create a custom XML sensor on Powershell, that grabs performance data saved by smcli.exe (the only known way to reach ...