Monitoring systems observe network infrastucture, machines and services through either an agent installed on the target machine, or through a scan. These agents or scans can reveal problems with the machines, services or network. When such a problem is found, an administrator can be notified, ...

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1answer
21 views

Web page monitoring with performance statisitcs, also web transactions

Do any of the open source monitoring applications do the following: download a web page, and provide a detailed breakdown of how long it took to download the page and all its elements ...
1
vote
1answer
28 views

Monitoring small subsets of multiple networks

What would be good software for monitoring multiple small and disparate networks? My company sells a product that requires deployment of a number of Linux servers on a customer's network (typically ...
-3
votes
1answer
26 views

How to monitor IIS Server using SNMP? [closed]

I want to monitor IIS using SNMP. I dont want to poll IIS continuously in my application, I want to register some threshold values in IIS, and when threshold is exceeded , my application should get ...
1
vote
1answer
21 views

How to determine if ftp/smtp is up and running using a script?

Similiar to how these uptime monitoring servieces perform checks if your smtp or ftp server is running, how could I do this myself using python/ruby?
1
vote
2answers
32 views

Monitor IP for RBLs

Is there any way to monitor an IP against RBLs. I want to have an alert over email when my IP is blacklisted in any RBL over internet. Any help?
0
votes
2answers
55 views

database for storing network traffic

I am developing a software to monitor network traffic and I need a database server that would be very fast in storing and querying packet header fields. I know there is a .pcap file format, but it is ...
0
votes
1answer
25 views

Script to monitor specific processes' memory utilization

I have a client I do some remote server administration work for who recently started a 2-week trial period with New Relic. They have recently had some performance issues, and also asked me to take a ...
-2
votes
1answer
24 views

Monitoring Amazon s3 data transfer

I'm hosting a few files on Amazon s3. These are just images for my website. Lately the traffic to my website has been growing. I'd like to monitor my data transfer from s3. How can I do this? I've ...
0
votes
3answers
46 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 ...
0
votes
1answer
47 views

ping service making hundreds to thousands of ping type requests per minute, os tweak advice?

If a server is monitoring thousands of endpoints (http, https, ping, etc) and these checks are done every minute, what o/s issues should I be researching? 1K+ requests per minute is what I want to ...
1
vote
1answer
25 views

Ganglia network stats incorrect

I am using ubuntu 10.04LTS. The Ganglia on all of my nodes is not reporting the network usage correctly. There is a fairly large amount of fluctuation on the actual network, but on ganglia it seems ...
0
votes
1answer
78 views
+100

Different possible formats for the Bind9 statistics file

I'm trying to add some performance monitoring for our DNS servers using the Appaloosa templates however it seems that the format of the statistics file created by bind9 ( with statistics-file ...
4
votes
6answers
150 views

how to write a script that only acts on new log entries

I feel like this should be a simple thing but I am having a hard time figuring it out. I am trying to write a script that will monitor one of the apache log files and take some specific action. But ...
2
votes
2answers
59 views

Lightweight (plug and play) machine resource monitoring utility?

I need to monitor my Ubuntu Linux server performance, prior to diving into nagios / zabbix type of "enterprise server monitoring" solutions I would prefer something more lightweight. My requirements ...
0
votes
1answer
57 views

Monitoring SNMP w/ Nagios: Works with value not name

I am setting up a test nagios box to learn a bit more about it at the request of my boss. I installed Nagios 3.3.1 on an Ubuntu server 11.10 running in a VirtualBox. I also have connected to this ...
0
votes
1answer
45 views

Is there a way to get an email when system starts using swap space for memory?

I have a server that recently got knocked offline when when a blog article hosted on the box made the front page of Hacker News. From what I've heard, it seems like the server became unresponsive when ...
0
votes
1answer
87 views

Adding more graphs to the Linode dashboard

Linode offers system monitoring graphs as shown below. Is it possible to add more graphs to the Linode dashboard by way of collectd? Say to view Memcache eviction rate. Just to give you an idea ...
2
votes
4answers
85 views

WAP Monitoring Suggestions?

We have a wireless access point at a client site. They say it goes down a lot. We replaced it. They say it still goes down a lot. Nobody's happy. Now, in some instances, "WAP down" turned out to be a ...
1
vote
0answers
20 views

How can I be notified when the limit of a cgroup is hit?

I want to use cgroups to limit resources in linux http://en.wikipedia.org/wiki/Cgroups How can I be notified when a limit if hit. For example if I limit a process to 2 gigs or ram how will I know ...
1
vote
0answers
38 views

Icinga HTTP on Apache server does not return 200 intermitently

I have a server running Apache/2.2.16 on Debian Lenny. The server is host to about 6 vhosts. One of the vhosts is just the FQDN for the server and doesn't have much of anything but an index.html ...
1
vote
0answers
59 views

IPMI sdr entity 8 (memory module) only showing 3 records?

I've got two Dell PE R710's - A has a single socket and 3 DIMMs in one bank B has both sockets and 6 (2 banks @ 3 DIMMs) filled The output from "ipmitool sdr entity 8" confuses me - according to ...
2
votes
2answers
140 views

IPMI: What is “Planar” temperature?

I'm digging through the output of ipmitool sdr list on a Dell PE R710 - and I see there's a sensor reading named "Planar Temp" - which reads higher than the ambient temperature but lower than the CPU ...
2
votes
3answers
181 views

Network monitoring system with mobile app

I'm looking for a monitoring system (that runs on linux) and can monitor the most used operational systems and has an application for android to show the status of the servers. Anyone knows a software ...
5
votes
3answers
113 views

Is Nagios “monitoring” over WAN ideal?

Just started at a new company and one my first assignments is to look for alternatives to their inhouse monitoring system. Their current solution is a .Net application that checks various devices ...
2
votes
1answer
53 views

Test Exchange 2010 connectivity programmatically with C# [closed]

Other than a simple ping, I'm looking for ways to connect to Exchange just for monitoring purposes. Should I connect to a Web Service? WMI? I'm merely trying to test that the Exchange server is up ...
3
votes
2answers
75 views

How can I set up Nagios to Monitor a Canon iR 3035?

I've been googling for how to set up printer monitoring - especially for Canon printers. This is because I have a Canon iR 3035 that I want to monitor for toner problems, paper jams, and paper ...
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votes
0answers
31 views

Web-Based Application to monitor applications on a PC [closed]

Does anyone have web-based tool that I can be able to capture user activities on a particular host system and view them? For example: user opens Microsoft Office Word at 10am and closed it at 12noon. ...
1
vote
2answers
63 views

Custom checks across servers and custom applications

I'm half expecting the answer to this is Nagios, but I just wanted to check against certain specific requirements we have with our infrastructure and custom applications. We need to monitor for ...
-3
votes
0answers
60 views

What are some best practices for making sure my site isn't slow all of a sudden? [closed]

I want to make sure that my web pages are loading snappily. Ideally, there would be some service that crawls a few of my pages and if load times deviate from something expected (for example, a couple ...
0
votes
1answer
86 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? ...
1
vote
0answers
55 views

Why I get different network traffic values from dom0 and from domU?

I'm using Xen 4.0.1 with Linux 2.6.32-5-xen-amd64 (standard packages on a Debian Squeeze system). From Xen Networking: For each new domU, Xen creates a new pair of "connected virtual ethernet ...
1
vote
2answers
53 views

Is it possible show difference between two graphs in cacti?

I have cacti with alot of graphs (interface statistics). And i need show the difference between two of them. Like traffic=traffic1-traffic2. Is it possible? traffic1 and traffic2 are interfaces ...
4
votes
1answer
49 views

Open source network tap

I've recently begun researching network monitoring solutions. I've configured SPAN on our cisco catalyst, and it's working ok, but I've been reading up on taps too. Most of the articles I've seen ...
0
votes
3answers
62 views

Load Analysis GUI tools for Linux - individual process and overall

I need to do some load analysis on a Linux server and would like a nice GUI to help me. I don't need any fancy history, logging, or alerting. I need more information than top, and would like it ...
0
votes
4answers
73 views

Do you monitor servers manually as well in conjunction to automated monitoring?

I was in a dicussion with a colleague today and I mentioned how servers are not proactively monitored in a manual way (i.e. rdp to random servers, and do some manual checks - this would go in ...
1
vote
2answers
106 views

Monitor server using LCD 5.25 bay screen - How? [closed]

I'm looking for an lcd display to fit in one 5.25 inch bay... I found a lot of that but I'm looking for a way to change the display using command-line, since no screen will be attached to that ...
2
votes
2answers
141 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 ...
2
votes
0answers
29 views

Intermittent munin-cron error “There is nothing to do here, since there are no nodes with any plugins”

We've installed munin monitoring on one of our servers. Generally it seems to be working well but occasionally, 4 times in 2 months to be exact, munin-cron has generated the following error: ...
0
votes
0answers
23 views

Xymon 4.3: Syntax for a linecount entry in client-local.cfg with BBWin client

Is it possible, and what is the correct syntax for setting up a linecount entry in client-local.cfg for a Windows event log with Xymon 4.3 server and BBWin client in centralized mode (server-side ...
-1
votes
0answers
26 views

Outsourced server monitoring and repair service [closed]

I have to manage several Linux dedicated servers. I try to find IT companies that provide server monitoring and 7/7 intervention when a failure is detected. Because I can't always be close to a ...
0
votes
3answers
108 views

More detail EC2 instances monitoring?

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, ...
1
vote
2answers
68 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 ...
0
votes
1answer
56 views

Can't see traffic in my guest OS with tcpdump

I've created a virtual machine (Centos 6.0) using QEMU/KVM, which is also running on a Centos 6.0. The virtual machine is configured to have two NICs. The first NIC is using a bridged network (eth0 of ...
0
votes
1answer
68 views

Icinga/Nagios to ping different machine on local network

I have 3 machines, all remote IPs and all of them running nsclient++ with remote and local IP addresses: 46.*.*.1/192.168.1.1 46.*.*.2/192.168.1.2 46.*.*.3/192.168.1.3 I want nagios/icinga to ...
-1
votes
0answers
50 views

Software to quick monitor Windows Servers [closed]

Actually we have a ManageEngine Application Manager monitoring about 20 Windows Server machines. Some of these servers have IIS, SQL Server, Apache, MySQL and Sharepoint installed. Once a day we make ...
1
vote
2answers
81 views

Best Way to Keep Up on Linux Log Files

I run multiple Linux (Ubuntu) web servers and am looking for a convenient way to keep tabs on important log files. I'd like to monitor pertinent LAMP logs as well as server accesses/logins. Are there ...
2
votes
3answers
71 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 ...
-1
votes
0answers
98 views

System Administrators, If you utilize a CMDB, what are some good tips/techniques? [closed]

In our environment we have a plethora of applications spread across quite a few servers. As well as a number of Database servers and a fairly good size VMWare and Citrix virtual desktop environment. ...
0
votes
1answer
19 views

PA Server Monitor: SNMP Monitor can't run

We are using PA Server Monitor and one of the machines (Linux) can't be monitored. SNMP Monitor Failed to query iso.org.dod.internet.mgmt.mib-2.system.sysUpTime .... Failed to query ...
0
votes
2answers
75 views

How can I find out why my EC2 instance was down for a while

I have an instance running at Amazon EC2. I just checked the monitoring, and I saw that the server was down for a while. TO be more precise, there is completely no line between 15:16:00 and 15:46:00 ...

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