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

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0
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3answers
842 views

Is there a tool similar to pflogsumm (Postfix logs parser) for Dovecot?

For monitoring my Postfix install I'm using pflogsumm, which parses the Postfix's logs and generates a nice summary. I tried to find a similar tool for Dovecot, but couldn't. Is there such a thing? ...
0
votes
2answers
10 views

How can I monitor “primary and secondary” Cognos nodes?

We have several Content Managers in Cognos that are running: one as a primary, one as a secondary. I would like to be alerted if there isn't one node acting as primary, if the primary node changed, ...
1
vote
1answer
1k 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 ...
0
votes
1answer
2k views

mysql monitoring with monit

can someone please steer me in the right direction. I'm completely new to Monit, set it up, everything working fine, but I'm having a problem with mysql. This is the set up in my conf file: check ...
1
vote
1answer
1k views

Zenoss: Getting SNMP stats over SSH

I have the SSH connection working. I have it successfully modeling the device (Ubuntu Server, in this case). What I can't get to work is the SNMP portion. It sounds like I have to custom add the ...
0
votes
1answer
2k views

NSClient++ FAIL on Windows 2008 R2 — PDHCollector.cpp(215) Failed to query performance counters

I am attempting to monitor windows server 2008 r2 x64 Enterprise with Nagios. When I test/install the nsclientI get the following error: PDHCollector.cpp(215) Failed to query performance counters: ...
1
vote
2answers
25 views

Set different warning thresholds for Nagios on weekends

I'm using Nagios to monitor CPU usage on my servers with the check_load plugin. On weekends we have some batch jobs running and there are hardly any real users anyway, so I'd like to have the warning ...
2
votes
2answers
487 views

Bandwidth monitor for apache websites

I am after a web application that will parse apache log files and record how much bandwidth the user has used. We have several virtual hosts that have custom log files and the I/O is recorded at the ...
0
votes
1answer
13 views

Why perfmon for remote desktop servers get an empty file (only time stamp)?

I'm trying to remotely monitor a server using perfmon, the output file is always empty and only the time stamp field is there?
0
votes
1answer
27 views

Monitoring APC UPS and Dell DRAC using a single device

We have a temperature sensor connected to an APC UPS network management card measuring the external rack temperature and the network management card monitors the status of the UPS. There is also a ...
4
votes
4answers
840 views

Sensu alternative (?) where alarm thresholds defined on server (not monitored client)

Question/TLDR; Is there a Sensu -alternative (i.e operating system monitoring agent/server based on RabbitMQ) that defines its alarm thresholds on the central monitoring server and not on the ...
-1
votes
1answer
29 views

What to monitor (key indicators) on web and database server

I just installed Munin for monitoring my web and database server. I lot of plugins were included out-of-the box, but I could use some advice on which one is actually good key indicators to monitor. ...
1
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0answers
27 views

Using OSSEC to monitor windows services

I'm using OSSEC to trying and monitor services on servers such as Windows Event Log. I would like to know if a service has stopped or started and get emailed accordingly. I have tried a rule that ...
5
votes
3answers
2k views

Free software to monitor serial port communication [closed]

I'm looking for the Wireshark of Serial Port monitoring. I'd prefer free/open-source software, but am willing to look at commercial solutions if the price is reasonable. It needs to be compatible ...
0
votes
2answers
41 views

Optimal process for finding the root of high load

I have a VPS (WHM/cPanel) where i keep our clients projects. Some of these projects are well known frameworks and some of them are custom PHP/MySQL codes. At certain times i am noticing high loading ...
0
votes
2answers
2k 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 ...
6
votes
5answers
7k views

I need to replace munin with something more scalable [closed]

I have used munin on multiple servers for many years with great success, however with more than 100 munin-nodes and when there is load on the clients, the processing is timing out. I have made some ...
1
vote
1answer
999 views

Which JMX statistics to watch out for in Catalina/Tomcat?

I have configured OpenNMS to collect all kinds of numeric data coming out of tomcat7 jmx. There are a lot of things. I am interested in monitoring this tomcat instance so that I can avoid down time ...
1
vote
1answer
23 views

Simple web tool for viewing log

I'm developing a server deployment script that installs a bunch of stuff and generates a log in the process. I'd like users of the script to be able to view what's happening, on a web page, in real ...
1
vote
2answers
363 views

How to monitor email service from end-to-end? [closed]

I would like to monitor my email service installed on Server A, from end to end. Not just small pieces (ping / SMTP / POP3 / load / ...) but closer to the user behavior. I was thinking of a script ...
3
votes
1answer
1k 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 ...
0
votes
0answers
35 views

How to determine the cause of network issues of a hetzner.de dedicated server?

I've got 3 dedicated servers at hetzner.de, and I’m occasionally getting unavailability alerts for these servers, from 2 independent monitoring systems (New Relic and Pingdom) usually for all 3 server ...
0
votes
1answer
34 views

New nagios/cacti monitoring setup, should I use a dedicated VM?

Currently we have 4 bare metal servers and one small VM server (all running centos6) and I'm looking at setting up monitoring for the Percona MySQL db server and replication slave (bare metal), as ...
1
vote
0answers
51 views

Random server load spikes, number of tasks doubles, CPU/Memory consistent

We run a vBulletin forum with 6,000 visitors per day on an SSD VPS with 5GB RAM and 24 CPU Cores. On a typical day we see 30-50 concurrent users at any given moment. On busy mornings, it'll go up to ...
81
votes
2answers
35k views

What exactly do the colors in htop status bars mean?

By default, htop shows colored status bars for processors, memory, and swap. From left to right, the bars are colored green, blue, yellow, and red depending on some thresholds. What does it mean when ...
0
votes
0answers
25 views

AWS ELB Monitoring - instance state “Unknown”

We have a nagios script (python) which monitors our AWS ELBs and alerts if there are unhealthy instances. It has been working fine for some months. Over the last week or so, we've started receiving ...
0
votes
3answers
1k views

why is mailgraph not updating?

I just installed mailgraph on a Linux Ubuntu 10.04 box monitoring Postifix. Everything seems to be working fine, but the graphs are not always updating. When I refresh the web page or close the ...
2
votes
2answers
70 views

Method to log amount of transmitted data per each IP address in linux

I am looking for a method in linux to log the amount of data transmitted (received and sent separately) for every single IP address to which the data was sent to or received from. These statistics ...
2
votes
2answers
1k views

collectd does not work

I have installed collectd-5.0.0 on Fedora12 server and would like to run its service for receiving data from clients. I have enabled network plugin and rddtool plugin as commented: collectd.conf in ...
0
votes
2answers
43 views

Monitoring Memory Usage on a Machine that Uses MSMQ

Based on this thread, it seems that it's "normal" for the MSMQ process to take up an much memory as is available until it comes under memory pressure. It seems most monitoring tools base memory usage ...
-1
votes
0answers
27 views

Nagios monitoring localhost through NRPE

I set up Nagios with NRPE plugin and NRPE servers on the target nodes, and I want Nagios to be able to monitor its own box as well as part of the process. Interestingly enough the Nagios 4 book ...
5
votes
5answers
20k views

How can I manually run a nagios check from the command line?

When defining and testing new services in nagios I have been restarting nagios, then clicking the service, and rescheduling a check for as soon as possible, then waiting until the check happens. Is ...
1
vote
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 ...
4
votes
1answer
832 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 ...
0
votes
1answer
31 views

Multiple monitoring machines for the same hosts

I'm fairly new to monitoring and am currently trying to setup a monitoring solution for our network infrastructure. Our hardware is pretty old and can therefore fail at any time. We have taken ...
2
votes
3answers
355 views

Server Room Temperature Monitoring - Where to stick my probes?

I have a small server room approx 7' x 12' with an A/C unit dedicated to this room that is positioned on of the short (7') sides and blows air across the room towards the other short (7') side. The ...
7
votes
6answers
13k views

What is the Best Way to Monitor Server Temperature?

I need to be able to monitor the temperature of a couple of servers remotely. Does anyone know of any free/cheap software that will monitor the server temp and email it or at least output it so that ...
-1
votes
1answer
26 views

Take some action when errors occur with nginx

I have a nginx/1.2.1 on Debian 7.0 x64 and i want to take some action when some error occurs, something like send mail to me. I found on the web ways to monitor files and take some action when they ...
1
vote
2answers
309 views

Live monitoring on web server logs by tailing the webserver access log

I am looking for a way to find who causes high load on my nginx web server but I do have too many requests per minutes to figure it out which one is the real cause. I want a solution that would work ...
-1
votes
2answers
53 views

Simple method of detecting and reporting server outage? [closed]

I'm looking for a super simple way to monitor one server from another, in case the other goes down (e.g. based on ping), and then send an email if it does. Is there anything out there like this ...
1
vote
1answer
41 views

Icinga Distributed - Status Map / Reachability Issue

I'm setting up a distributed Icinga setup in the following manner. We have 6 sites so i'm monitoring 3 on each of 2 nodes plus a central server. Sites a,b,c are actively monitored by node 1 Sites ...
0
votes
2answers
800 views

Starting Automatically Tomcat 7 Monitor Windows 7 / Vista

Anybody knows how is possible to start automatically Tomcat's Monitor? Tomcatw.exe with the service's Tomcat? I tried but, it does not start. I was trying to install like windows Services manually, ...
2
votes
1answer
1k views

How to install auditd on CentOS?

How to install auditd on CentOS 6.4 x64 ? I want to Log all commands run by admins Log all commands run by admins on production servers Edit: I can't run aduditd service I did with this tut enter ...
-1
votes
3answers
39 views

Determine what has changed a specific key on Windows registry

History : My C drive disappeared from "Computer" on my Win7. After fixing it a couple of days ago by changing a registry key, I notice today that my C drive has disappeared AGAIN. ...
0
votes
0answers
23 views

shinken/nagios discriminative between warning alert and critical alert

i using shinken for my monitoring system. Now, i have a problem when i configure shinken notification. My purpose is to discriminative between notification for warning state and critical state of ...
1
vote
1answer
104 views

Integrating Nagios with a ticketing system/incident mnagement system

Is there a free ticketing system/incident management system which will help me in achieving the following? 1) If a service goes down then Nagios alerts the on-duty staff and pushes the status to some ...
0
votes
1answer
43 views

Restarting shell script with &disown using Monit

I have a shell script that runs a C++ backend mail system (PluginHandler). I need to monitor this process in Monit and restart it if it fails. The script: export ...
4
votes
4answers
239 views

Process monitoring services

I'm looking into different services that help keep processes up and running (auto-restart in the event of a crash). Which ones do you prefer and what are your commends/suggestions? Here are a few ...
0
votes
2answers
34 views

RAID card monitoring from Debian OS

We have a custom built Debain OS server with this raid card. Is there anything we can do from the OS side to monitor the raid virtual disks? A few weeks ago we had a raid degrade and did not know ...
1
vote
3answers
56 views

Monitoring / metric collection for system collectives that change a lot in time (a.k.a. cloud) [closed]

When your server fleet doesn't change a lot in time, like when you're using bare-metal hosting, classic monitoring and metric collection solutions (Nagios, Munin) work well. But if the number of ...