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

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9
votes
6answers
15k views

Nagios graphing solutions vs Munin/Cacti/Ganglia

I've got a nagios server setup for monitoring ~ 30 Windows servers. I want to add some trending charts. I've read that nagios graphing plugins are simple and many people use seperate, standalone ...
15
votes
6answers
14k views

Is Zabbix the right tool for me?

I just want to monitor a small handful of servers (less than 10). From reading various places it sounds like the top leading contenders (for open source at least) are: nagios munin zabbix From ...
15
votes
4answers
2k views

How to Monitor Bandwidth usage in real terms

I have a small (windows) network with a few people on it. We have internet access via a BT router Generally things are all fine, but occasionally, we seem to experience a dramatic loss of ...
24
votes
3answers
13k views

How i configure monit to start a process with a specific user?

Monit runs with root, but i don't want to start my processes as root.. like mysql, mongrel, apache..
14
votes
4answers
4k views

Windows DHCP Server - get notification when a non-AD joined device gets an IP address

SCENARIO To simplify this down to it's easiest example: I have a Windows 2008 R2 standard DC with the DHCP server role. It hands out IPs via various IPv4 scopes, no problem there. WHAT I'D LIKE I ...
4
votes
8answers
2k views

Tools for Monitoring Multiple Unix Based Systems [closed]

What's your suggested tool to monitor multiple Unix (Linux and OSX specifically) based systems at the same time? I need to monitor the utilization of the CPU, memory, and disks in real time and would ...
8
votes
2answers
17k views

How can I get an email alert when RAID array is degraded? VMware ESXi 5.0, MegaRAID SAS 9260-4i

We have recently bought a "white box" server to run VMware ESXi 5.0 (we're planning to use the vSphere 5 Essentials Kit). According to VMware's Compatibility Guide, the server's LSI Logic MegaRAID SAS ...
7
votes
9answers
5k views

Linux: How to find out whether the harddrive is causing a bottleneck?

I'm not asking how to find out where a bottleneck is. I just what to know how to check if the harddrive is being used at its limit (and hence causing a bottleneck). Something like top where I can see ...
6
votes
2answers
15k views

Disk/RAID Monitoring for HP Proliant Servers and Ubuntu 12.04

How can I monitor the status of the hard disks and the RAIDs of an HP Proliant server using Ubuntu 12.04. In Ubuntu 10.04 I could use the cciss-vol-status to query the RAID status periodically but ...
4
votes
2answers
6k views

Graphite shows “None” for all data points even though I send it data

I have installed Graphite via Puppet (https://forge.puppetlabs.com/dwerder/graphite) with nginx and PostgresSQL. When I send it data manually, it creates the metric but all its data points are "None" ...
8
votes
1answer
2k views

FreeBSD: periodic(8) is too noisy. How can I control the noise level?

FreeBSD & MacOSX ship with the the periodic(8) utility, which is a neatly organized set of utilities to periodically run system functions like ZFS filesystem checks, security checks, checking for ...
6
votes
2answers
3k views

How does an administrator generalize alerting when an event doesn't happen?

Often my users require me to be just as responsible for knowing if an event hasn't happened. I've always had to build custom and brittle solutions with cron'ed shell scripts and lots of date edge ...
5
votes
8answers
10k views

Windows app to monitor Linux server load, etc of a remote server in real time? [closed]

Is there a desktop app (for Windows preferably) that will connect to a remote Linux server, and provide a realtime meter/history graph of the server load and other metrics on that remote server? ...
13
votes
5answers
16k views

How do I passively monitor the Windows Event Log?

How can I monitor the Windows Event Log remotely such that I will be informed automatically when certain events occur? There are plenty of active monitoring solutions, but they require human ...
9
votes
6answers
2k views

How to monitor Windows host with Nagios?

How do I use Nagios to monitor Windows clients? Are there any alternative solutions available?
8
votes
2answers
3k views

Finding short-lived TCP connections owner process

Running tcpdump on local connections to an apache server, I found TCP connections being established and closed immediately every 2 seconds. How do I find which process is responsible for these? ...
8
votes
6answers
25k views

Monitor a Windows Server using SNMP

How hard can this be? I want to get the current CPU performance from a remote Win 2k3 machine. I need to use SNMP because the machine is behind a firewall. Assumptions: I understand networking/can ...
5
votes
3answers
7k views

Program to snapshot changes made during an install?

Question Is there a decently-priced (free preferred) tool that will allow me to see all changes made to a system (disk, registry, etc.) during the process of an install? Background I would like to ...
5
votes
4answers
7k views

Ganglia without multicast

I'm running Ganglia 3.1.2 on a network where there is no multicast (nor can I turn it on). Does anyone have an elegant solution for getting ganglia to work correctly? I found this: ...
4
votes
7answers
7k views

What is the best/worst monitoring system? [duplicate]

This is one of those generic questions whose only correct answer is ``it depends''. What are the criteria? What is monitored? Reachability, availability? e.g. is a link up/down, does host ...
3
votes
1answer
9k views

Accessing temperature data on ESXi5.1?

For ESXi5.1 (VMWare vSphere) images, I can see temperature data on the vSphere user interface (under Monitor / Hardware Status). I tried scouring the available snmp data using snmpwalk, but can't find ...
3
votes
4answers
4k views

Production monitoring for EC2 instances

I'm setting up my first production instance on EC2 and want to make sure I have all necessary monitoring in place. There are three different types of things I want to monitor: Is the instance ...
2
votes
1answer
1k views

what should be monitored for baseline sql server performance

What are the baseline perfmon counters for monitoring SQL Server and what do they mean?
14
votes
6answers
1k views

How do you monitor a monitoring server?

So we run Groundworks (with Nagios) on CentOS to monitor our various servers and processes. I have it setup to automatically send emails and SMS texts when things reach a WARNING or CRITICAL state. ...
7
votes
3answers
4k views

Monitor system CPU / system calls in Linux

I have a couple processes that are eating up a lot of system CPU time (as determined by looking at vmstat). Is there an easy way to find out what kind of system calls are being made? I know there ...
5
votes
2answers
5k views

Monitor and graph CPU usage per process and per thread

I need to monitor CPU usage by a given process and each of its threads. For each of them I want to have: average and maximum CPU usage percent, total CPU time used during the captured period, a ...
5
votes
6answers
15k views

Best method to track folder size growth over time?

I have a file server that has a pretty large folder tree. There's a shared folder, under that are 5 departmental folders. Nested inside of those are thousands of subfolders and files. I would like ...
2
votes
9answers
2k views

Easy way to monitor disk space on multiple MS 2003 servers

I'm looking for an easy way to monitor free disk space on a large number of servers. I would also like to be able to count files in certain folders on those servers
0
votes
1answer
175 views

Add marks at specified times on a Munin graph

I want to mark some events on my Munin graphs to see how the graphs change at these points. It seems that in RRD terms they can be created by VRULE command, but I can't find a way to use it with ...
9
votes
2answers
1k views

API Management Solutions [closed]

I'm currently building an API and am looking for a tool to allow me to monitor (in a GUI) and rate-limit usage. I've come across a few enterprise solutions including: http://apigee.com/ ...
7
votes
1answer
8k views

how to set up monit to monitor disk-space

I use monit on my server to monitor apache and mysql running. Now I want to add an alert if the disk gets too full. I added this for testing in /etc/monit/monitrc: check device rootfs with path ...
7
votes
6answers
4k views

Monitor the shell activity of a user on your Unix system?

Trust, but verify. Let's say I want to hire someone a sysadmin, and give them root access to my Unix system. I want to disable X windows for them, only allow shell usage (through SSH, maybe), so that ...
6
votes
4answers
12k views

Monitoring hardware RAID on VMWare ESXi

I've got an ESXi 3.5 server on "unsupported" hardware - SuperMicro motherboard, Adaptec 9410 3405 RAID controller (oops, the 9410 is the onboard controller that's not being used for RAID) - and I'm ...
5
votes
4answers
5k views

How do I monitor redundant power supplies on a Dell server?

I'm purchasing a Dell R610 with redundant power supplies. What is the best way to be alerted in the event that one of the power supplies fails? I'll be running Windows Server 2008 R2. Since this ...
5
votes
4answers
937 views

Log monitoring toolsets for Unix? [closed]

What are some good tools for monitoring logs on a system? I am currently using logsentry, which basically just runs grep on logs, ignores regexps I tell it to ignore, and mails me everything else, but ...
4
votes
2answers
3k 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 ...
3
votes
3answers
562 views

Using monit for a process that doesn't background/run as a daemon

I"m using montit for other processes I need to run, but I have a process which doesn't run as a daemon, and I can't figure out how to monitor it with monit
3
votes
6answers
769 views

Need to check a directory tree for changes every 10 seconds and run a script if it is changed

I have a directory that has many folders with code inside it, and I need to run a script to rsync changes over to a couple other servers. I have that script written and working fine, but I cannot ...
2
votes
2answers
777 views

How do I measure data transfer across a network interface related to a specifc user?

I have an Ubuntu server and I am interested in measuring how much data is being transferred (both in and out) across a network interface, by a specific user. How do I do it? N.B. I know how to ...
2
votes
4answers
4k 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?
2
votes
1answer
207 views

Online Windows Server monitoring

To check a website's availability there is Pingdom (and many others). I'm looking for a similar service (online/web-based, easy to use with notifications) that monitors servers a bit more in detail. ...
0
votes
2answers
2k views

how to monitor select processes on centos 5.x host?

I would like to monitor a select group of processes, vmware vm's, running on my centos 6 host. "top" gives me most of what I want in that I can use -p to specify only those processes and -c to get ...
0
votes
4answers
727 views

More detail EC2 instances monitoring? [closed]

I am currently using AWS Cloudwatch to monitor basic metrics of my EC2 servers. But it is lacking of detail monitoring such as partition space used, memory free etc. Should I install and use Nagios, ...
0
votes
6answers
715 views

Recommendation for notification service when web server is down [closed]

Can anyone recommend a good third party service that can notify you when your webserver is down?
5
votes
5answers
20k views

How can I monitor memory usage for a windows-based JVM and trigger an alert if it gets too high?

I have an app that runs as a JVM in Windows 2008. I'd like to monitor it's memory usage and be sent an email if/when memory usage reaches a specific threshold. Is there a free utility or method for ...
4
votes
1answer
4k views

HP ProLiant Gen8 Health Agents and EL6.x - cpqHoMibHealthStatusArray has changed to the value: x

I've noticed that my HP ProLiant Gen8 servers report the following message via email to root (or the destination configured in /opt/hp/hp-snmp-agents/cma.conf) upon restart. Trap-ID=11020 ...
4
votes
3answers
5k views

Are there complete System Center Configuration Manager alternatives?

I have been researching System Center Configuration Manager 2007 R2 SP2 and struggling to swallow the SCCM pill. The tool seems outdated and not well equipped for managing an environment with the ...
3
votes
5answers
1k views

Windows Pagefile monitoring with Nagios

I have a NAGIOS check that monitors virtual memory on a windows machine, this check returns all the virtual memory used (physical+ max size of the pagefile). This is not what I want, I have tried to ...
3
votes
4answers
3k views

Monitor multiple webs within a server in nagios

i would like to monitor/test multiple virtual hosts in an Apache Webserver and besides, i would like that these checks appears as a one service in Nagios -> HTTP. And if one of the web/URL fails, the ...
3
votes
1answer
2k views

Munin's fw_conntrack reports strange number of sockets in TIME_WAIT

Ubuntu Server 10.04.1 x86 Munin 1.4.4 Here is what Munin tells me about connections through firewall on my server: Here is what netstat -n has to say about this: $ netstat -an|awk '/tcp/ ...