Tagged Questions
-2
votes
1answer
70 views
Adjusting output of tail -f on website log [closed]
I am real-time monitoring my website logs with tail -f, but I am having trouble getting just the following to show in the results in this order:
Host Name - IP Address - Page - Date & Time
This ...
1
vote
0answers
38 views
% segments retransmitted above threshold
I've been doing some monitoring on our servers and we get warnings that the TCPv4 / % Segments Retransmitted is above acceptable threshold:
http://imgur.com/b8RNm
Is there any way to tell what the ...
1
vote
1answer
140 views
How to diagnose intermittent connectivity issues
At work we are suffering some intermittent faults with the internet. This manifests itself as none of our desktop computers being able to make any requests externally including to ip addresses for a ...
-1
votes
1answer
42 views
network capture program that writes network capture file even when being shut down unexpectedly [closed]
1) I am trying to do long running monitoring of my network connection using my desktop computer but if the computer gets shut down without first properly exiting the network monitoring program then ...
3
votes
4answers
134 views
Creating an office network and monitoring all activity without a proxy
We are setting up our office network and would like to track all the websites visited by our employees. However, we would not like to use any proxy based solutions.
Our work is highly dependent on ...
4
votes
2answers
92 views
Linux foxboard network monitor
I want to use a Foxboard a simple network monitor for multiple routers (all routers are connected to the internet). Foxboard is a mini pc with an embedded version of Debian.
My idea is to use ...
-2
votes
2answers
112 views
Bandwidth and Speed monitoring software [closed]
I am looking to get some advice on what you guys think would be a good fit for my requirements.
My goal is to find software which would monitor internet speed (UP/DOWN), ping times and more(possibly) ...
0
votes
3answers
243 views
SNMP (UDP) Proxy
I'm Working in a mid-sized telco, and I'm in charge of network monitoring solutions. We have a custom monitoring system, that is using mostly SNMP to communicate with devices. The problem is that ...
0
votes
3answers
136 views
Monitoring networks and switches [closed]
I'm new to this area when it comes to monitoring services and hardware devices. Is there anything specific I need to know?
1) Are some hardware devices more compatible then others? Like, will some ...
3
votes
4answers
971 views
How to see incoming IPs in Linux?
I am wondering what is the command/utility to have a real-time view of incoming IPs to my server, ideally along with the port and connected.
3
votes
4answers
464 views
I'm looking for a monitor tool to test Jitter, ICMP, Traceroute and other network issues
I'm looking for a monitor tool to test Jitter, ICMP, Traceroute and other network issues.
it could be an application I run from my company Network in NY and London or a SAAS service that have a ...
0
votes
1answer
75 views
Monitoring Maximum Process Network Activity
We have a collocated server on which we run some OpenVZ hosts. Recently, we have had to pay a lot extra we keep exceeding our bandwidth quota. Our quota is 5 Mb/s but we have spike to almost 50. I ...
-1
votes
1answer
40 views
European services similar to http://internetpulse.net? [closed]
Is there a website which monitors European carriers similar to http://internetpulse.net does for USA?
1
vote
8answers
678 views
What is the tool for monitoring network traffic in Linux? [duplicate]
So far, I have been using Windows OS and I have used netmon and Visual round trip analyzer. Now I have to shift to Linux systems.
What is the equivalent tool in a Linux environment.
6
votes
3answers
400 views
How to display a graph only for business hours with CACTI?
I have noticed that I can only display an uninterrupted period with CACTI. I am wondering whether is possible or not to make a custom graph which displaying only the business hours during a period (a ...
1
vote
2answers
377 views
How can I configure Munin to give me a “total” view of all my cloud servers?
I have a dozen load balanced cloud servers all monitored by Munin.
I can track each one individually just fine. But I'm wondering if I can somehow bundle them up to see just how much collective CPU ...
5
votes
2answers
439 views
Monitor Size of the CAM Table on a Cisco Switch
We noticed some stray packets from our switch going out ports they should not have.
After clearing the cam table with clear mac address-table the problem seems to have gone away. Our best theory at ...
0
votes
1answer
163 views
Ping/traceroute tool for OSX [closed]
Any suggestions for a network monitoring tool for OS X that can do the same functionality like Axence Nettools.
Basically, I want to be able to track ping history and view them as a report. Other ...
0
votes
1answer
364 views
xymon configuration
I'm still beginner with linux and I really need help.
On my local machine that is in LAN, I have installed xymon-4.3.7.
When I type in browser http://localhost.localdomain/xymon/xymon.html it appears ...
1
vote
1answer
191 views
How to find malicious IPs?
Cacti shows irregular and pretty steady high bandwidth to my server (40x the normal) so I guess the server is udnder some sort of DDoS attack. The incoming bandwidth has not paralyzed my server, but ...
0
votes
1answer
62 views
what tool to remotely diagnose server connections issues for multi-location, multi-platform, varying competency end users?
(you might intuitively think that this is a desktop type question, however I intend to use this network of clients effectively as monitoring agents for the servers, hence its relevancy to server ...
1
vote
1answer
64 views
log network connections before moving server?
We are upgrading an old database server but want to make sure we update code on all other servers connecting to it. I'm thinking of mirroring the network port and logging what IP addresses connect to ...
0
votes
2answers
129 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 ...
1
vote
1answer
201 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 ...
2
votes
4answers
210 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 ...
2
votes
3answers
401 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 ...
2
votes
0answers
180 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
...
4
votes
1answer
273 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 ...
3
votes
1answer
310 views
Microsoft Network Monitor 3.4 - how to disable DNS IP address resolving for Source and Destination columns?
I've downloaded Microsoft Network Monitor 3.4 and it appears that I can't disable IP address to hostname DNS resolution. Is there a way to disable the DNS resolution so i.e. I'd always see: ...
2
votes
5answers
2k views
Monitor network traffic volume over interface
Is there a way to monitor the traffic (e.g., get a live view of the utilization) over a particular network interface, say eth0?
The catch here is that the set of tools on the box is fixed, and is ...
-2
votes
1answer
334 views
Zabbix monitoring system [closed]
I want to monitor some things and I was wondering what of the following can be done using Zabbix easily, what can be done with some extra effort and what can't be done with it:
All computers are ...
2
votes
2answers
274 views
collectd:Monitoring server not showing clients
I have setup a monitoring server with the following setup.
<Plugin network>
Listen "0.0.0.0" "25826"
</Plugin>
Now my clients are sending data to the monitoring server(verified through
...
0
votes
1answer
451 views
ethernet interface octets and packets
I am trying to make sense of some RRD interface graphs, I am new to this and have searched.
What is incoming/outgoing(mbps) if_octets and what the maximum octets an eth0 interface can take?
What is ...
0
votes
1answer
1k views
How to monitor internet traffic on a Linksys E3000 router [closed]
I just got optical fiber installed in my place which gives me great download speeds. Now my ISP has a monthly download limit of 120GB, after that I gotta pay overages.
Now my setup is like this:
...
-4
votes
6answers
1k views
Ping based Windows monitoring dashboard
I have 3 servers that I need to (visually) monitor all the time. Currently there is a "method" using 3 ping -t processes running in separate command prompt windows and I am trying to replace it with ...
0
votes
2answers
57 views
Drop in passthru network monitor
I am looking for something that will allow me to take a computer with 2 NICs, and drop it in between a link of 2 things (router, server, computer, etc) and monitor all the network traffic, bandwidth, ...
8
votes
2answers
3k views
How to generate netflow data in linux
We have a number of Linux servers for which I would like to capture netflow data to be processed by a netflow analyzer. I've been spoiled by the ease in which Mikrotik routers allow netflow data ...
0
votes
0answers
42 views
connection monitoring application
Could you advise me some tool that allows to see traffic speed per connection? I have found currports tool, it's nice, but it doesn't show speed. Also I use Outpost Firewall for this purpose, but it ...
2
votes
2answers
152 views
Network monitoring system capable of link functionality (like OpenNMS linkd)
The OpenNMS monitoring system has the ability to automatically discover and display links between nodes and networking equipment. The module is called linkd and is a very handy way of visualizing ...
1
vote
1answer
209 views
How to monitor computers' status on a network? [duplicate]
Possible Duplicate:
What tool do you use to monitor your servers?
I want to check health status on a network computers. For example CPU, RAM status, process status, disk status and more.
...
0
votes
2answers
197 views
Best server monitoring client with Raid monitoring [closed]
I would like to implement some open source monitoring in my server infrastructure. I want detailed monitoring for both the server and Raid array. The client should notify me if any of the disks fail ...
3
votes
5answers
525 views
Real-time Bandwith report
I need to find a solution to monitor, in real-time, the traffic currently used by an office of about 25 peoples. We already have Zenoss for SNMP monitoring, but I'm looking more at something that ...
1
vote
2answers
933 views
Troubleshooting intermittent network “drops”
We do most of our work on colocated servers in a datacenter over SSH. This means that we're connected to the boxes almost all day, 5 days a week. Intermittently, we'll see a lag between typing on the ...
0
votes
1answer
468 views
Running ntop on virtual machine - viable?
Is anyone running ntop on a virtual machine reliably?
We would be monitoring a network as follows:
HQ (where ntop will be installed) with about 100 servers and 400 PCs
UK offices with about 100 PCs
...
0
votes
2answers
217 views
Best free network monitoring solution for Linux [duplicate]
Possible Duplicate:
What tool do you use to monitor your servers?
Hi,
I'm a bit of a nooby with Linux, and I managed to set up my Ubuntu machine with Webmin and Virtualmin. Now, I'd like ...
1
vote
5answers
553 views
Reading NIC bandwidth usage instantly
I want to create a script that runs on a linux server, that script should read bandwidth usage of NICs installed on other servers and then store them in memcached.
So I need a command that reads ...
1
vote
3answers
2k views
ntop vs nagios to Monitoring Networking traffic
Hi i need to monitor ntop to monitoring networking traffic but i am concern if its going to affect somehow my server performance.... i've been also recomend to use Nagios but i am not quite sure if is ...
1
vote
2answers
486 views
How can I monitor network in CentOS .5.5 , my application refuse to read sockets
Hi
I have weird problem with one of my applications (servers ), its suddenly starts to read socket and before it written back, the connection is closed this is what I see in my logs. Is there any ...
0
votes
2answers
228 views
Best windows based network monitoring software
I want to know which is best windows based network monitoring tools mainly for monitoring network and control internet access.
I want to monitor the bandwidth of internet usage in each machine in ...
0
votes
2answers
418 views
best windows based network monitoring software
i want to know which is best windows based network monitoring tools mainly for monitoring network and control internet access.
i want to monitor the bandwidth of internet usage in each machine in ...
