Network monitoring systems check and report the status of network components, so administrators are alerted by degraded performance or outages.

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0
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2answers
20 views

Check what connections a software / application is trying to make

How to check what urls and ports a particular application or software is trying to access? Does it require Wireshark of something?
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1answer
22 views

Unusual network activity

I noticed that my network monitor was showing intense activity (mostly download at high rates) even though my browser wasnt loading any pages. I installed nethogs and checked the usage and got the ...
5
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3answers
388 views

How to monitor, who is pinging me?

I need to know who is pinging me on my network. Is it possible to monitor all ICMP packets?
2
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1answer
61 views

Scan for new wireless networks continuously in adhoc mode

I have two laptops in an ad-hoc mode (with same essid, broadcast id, etc.). Sometimes, they don't ping each other even though they are next to each other. I always have to initiate a scan from each ...
0
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0answers
61 views

System Monitor doesn not show activity over ethernet connections

In the Network history graph of System Monitor, network activity over Wi-Fi shows up fine, but activity over wired ethernet doesn't show up at all. Using lspci, my ethernet adapter shows up as ...
0
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0answers
17 views

Show all network entities that are in range

On Ubuntu, what program could I use to show all network entities that any of my network cards can communicate with within the network, I see what is communicating with what, including what things are ...
0
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0answers
46 views

Monitor and record wireless data transfer in/out tracked by network/ssid

I'm looking for a monitoring tool for my wireless data transfer. My problem is, all tools I found out there are either global (independent of interface) or queryable by interface. But my requirement ...
0
votes
1answer
83 views

which is strong ubuntu dist or windows? [closed]

Gentlemen, i am using windows in my company. I want to secure my system or to secure my company systems. should my company use linux(ubuntu) to become more secure than windows 8 ? what also the ...
0
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2answers
37 views

Monitor disk usage changes to infer download speed

I'm testing various solutions for downloading large datasets, downloads which can take weeks and require several restarts. Instead of monitoring network speed, I'd like to use the change in disk usage ...
0
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0answers
49 views

how to congest a link using iperf

I have setup like below. Switch1-------------------- Switch2 | | | | | | | | | | | | PC1 PC2 ...
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0answers
158 views

How to monitor web traffic in a LAN network for nursery school?

I have created a simple LAN wireless network with a router in a nursery school where kids can use internet to play and learn new things. So the teacher tell me that he need to see ALL websites visited ...
0
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0answers
125 views

Backup network for overheating USB WiFi Stick

My USB WiFi adapter tends to overheat and when it happens, it stops working until I pull it out and plug it in again. Since I often access my machine remotely from other places, when it happens, my ...
2
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0answers
115 views

found someone lurking in my LAN, not sure what to do next

I have DD WRT router with internal numbers all falling within 192.168.1.0/24. I was looking on my firewall records this morning and found someone at 10.10.109.100 got blocked from accessing port 5353 ...
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0answers
279 views

System monitor network speed monitor not working for LAN but works for my Wi-fi

I'm on Ubuntu 13.10. I generally use wi-fi to connect to the internet. But Yesterday my wi-fi router occurred some problem and now it's out for warranty. So temporarily I'm using LAN. System monitor ...
1
vote
1answer
41 views

How can I make Xubuntu automatically tally the number of times a machine loads?

I would like to pilot Xubuntu in a school computer lab environment. The solution requires shared access devices that are independent of the school's Windows environment. I would like to collect data ...
4
votes
1answer
706 views

List all internet connections

I'd like to know all the connections by system is making to the internet. I did netstat but it shows a lot of connections - all of which aren't applicable I think. Can it be displayed like top does ...
1
vote
0answers
169 views

Is there a GUI for nethogs?

Or anything similar to nethogs. I have this terminal window opened with nethogs running to see what application is using the bandwidth but it would be so much nicer in the bar next to the clock or ...
2
votes
1answer
252 views

How to send SNMP trap which will have all the information about commands fired by each user?

So can anyone help me to configure below 3 points on client side where we have SNMP Service installed? Litle bit of background: We have one OpenNMS Monitoring server, which monitors all other ...
0
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0answers
268 views

Monitoring Ubuntu server

I am using Ubuntu server with windows xp clients in my office. Is is possible to monitor bandwidth usage of all clients separately using Nagios ? If possible means tell me how to install and ...
0
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1answer
171 views

Is there in ubuntu repository monitoring alternative to nagios?

I would like to run some kind of service monitoring for my server and few other servers/services. Basically I want to monitor availability and send mail, when avail. is bad. Is there any simple ...
2
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2answers
220 views

Recommendations for a network monitoring data counter?

Is there a graphical data counter for Ubuntu that records how much uploaded/downloaded data was used and bandwidth being used and total amounts, filtering it by application?
0
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0answers
22 views

GUI tool for monitoring traffic [duplicate]

I'm looking for a tool to monitor the network traffic of my Ubuntu installation. I notice that I have a permanent upload connection and I cannot find what application is causing this traffic. On Mac, ...
2
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0answers
94 views

Nagios Notification via Ubuntu notify-osd

I have been looking around for a nagios plugin that offers the ability to have alerts for my hosts and services that i monitor to come through to my ubuntu pc in the form of an onscreen notification. ...
0
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0answers
115 views

Bandwidth control during YouTube upload

I have a slow internet connection and I am looking for some solution so that I can divide the 1/5th of available bandwidth to me for YouTube uploads and rest of 4/5th of my bandwidth should be ...
0
votes
1answer
156 views

What does mean - in `netstat -tupn` output?

Here is the output of sudo netstat -tupn Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 5 192.168.1.100:55729 91.190.218.66:443 ESTABLISHED ...
1
vote
3answers
377 views

how to detect that specified machine is present in local network

how can i detect - using bash if possible - that specific (i.e. name or mac address) machine has appeared in local network? IP addresses are dynamically assigned, so I can't rely on "traditional" ...
2
votes
2answers
5k views

Start nagios web interface on a different port

I am trying to install nagios but I would like to start the web interface on a port other than 80. I cant seem to find much info on how to do that. Any help is appreciated. Thanks
0
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1answer
93 views

Tracking data sent to remote host over time?

What is a a good way to track over time the amount of data transferred from my ubuntu machine to another host on the internet?
1
vote
1answer
107 views

Connection Information is telling me what?

In particular the speed figure, the rest being quite obvious. For my wireless connection the speed value is up and down between 1 Mb/s and 54 Mb/s. I've always taken this to be a measure of how ...
3
votes
2answers
410 views

What tools are availble to check network performance for VoIP calls?

I need a software tool which can emulate network impairments/jitters in the network and test VoIP calls behavior and quality.
1
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0answers
191 views

How can I monitor the traffic of each Wifi network that I have connected to?

I have to "roam" a loot on different Wifi networks and I would like to be able to see how much traffic I used on each wifi network that I have connected to. Something like vnstat but summarized by ...
1
vote
3answers
5k views

How can I check disk usage using ssh?

We have an ssh server on Ubuntu and we want a disk usage report using ssh of whole network.Is there any utility, command, or script available to accomplish this?
5
votes
1answer
393 views

Internet Connectivity Indicicator on Unity

How can I check whether my internet connection is active on Ubuntu. If I am connected to a wired or wi-fi network, the indicator applet shows that I'm connected. But there is now way to find out the ...
13
votes
7answers
18k views

I need a good network monitoring tool

I need to get some good network monitoring tools. I am trying to find out why my office network is so congested/slow, and I need something that will allow me to look at all the machines in the ...
0
votes
1answer
341 views

'vnstat' works, 'vnstat -l' doesn't

I have just installed vnstat. I run vnstat and get this: ~$ vnstat rx / tx / total / estimated wlan0: Aug '12 12.89 MiB / 14.14 MiB / 27.03 ...
1
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0answers
24 views

Bandwidth monitoring indicator? [duplicate]

Possible Duplicate: What Application Indicators are available? Is there an app for bandwidth monitoring indicator particularly that be placed on the top panel for Unity? Something similar ...
1
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2answers
8k views

NTOP web interface?

NTOP is a network monitor. It has a web interface for viewing statistics. I installed it via sudo apt-get install ntop on Ubuntu 2012.04, the daemon got started at the end of the install, without me ...
4
votes
3answers
15k views

How to install Intrusion Detection system in Ubuntu 12.04

Basically i m looking for some Intrusion Detection system.... so i find snort is one of them , soi i need step by step configuration to install snort & some snort web-based monitoring tool ...
3
votes
1answer
17k views

How do I install Cacti?

I'd like to use Cacti, but I'm not entirely sure how to install it. I have a 10.04 Server that I'm installing this on.
1
vote
1answer
4k views

How do I install Cacti 8.7i with PIA 3.1(Plug In Architecture) for 12.04 Server LTS?

I am planning to upgrade my current 9.04 server version to 12.04LTS server. I've successfully backup and restore my Cacti version 8.7d to 8.7i that comes with the distribution. However, the plugin ...
5
votes
4answers
24k views

nagios- nrpe installation error(configure: error: Cannot find ssl libraries)

i have installed nagios and i want to install nrpe. While installing NRPE, when i execute (/home/abc/nrpe/configure) ./configure it stops after reaching the following line ... checking for type ...
2
votes
4answers
2k views

Is there a Spiceworks replacement or similar for Ubuntu?

I am looking for something like Spiceworks, but for Ubuntu. If you are not sure what Spiceworks is, it is a piece of software that runs on a computer and tells you what kinds of devices are on your ...
0
votes
1answer
351 views

Able to connect Adhoc WiFi network, but terminal says no wlan0

I have a WiFi and a Ethernet card on my laptop. I've created an adhoc network and using internet via lan. I am able to connect my adhoc network, but, when I do ifconfig, it does not display any ...
9
votes
1answer
2k views

Tool to shutdown system when there is no network traffic

I am looking for a script or a tool which I can turn on, when needed, which shuts down my computer if there is e.g. no network traffic for say 10 minutes, or below 100kb for example. Would be really ...
2
votes
1answer
2k views

Neat and fast way to count devices in home network [duplicate]

Possible Duplicate: How to find unused IP Address on a network? currently I am using nmap wich scans the range of IPs that my DHCP server assigns to hosts. However this is a) slow and b) ...
3
votes
1answer
277 views

Promiscuous mode network traffic stat util?

I want to get a stat of packets/bytes from/to each IP in the network. Wireshark is too heavy for me, and tcpdump has no stat function. vnstat seems not aware of IP address at all. Any choice?
3
votes
1answer
515 views

Find out whether network connection is full or half duplex

How do I find out whether a network connection is full or half duplex?
1
vote
1answer
6k views

What network mapping tools are available?

What network mapping tools are available?
2
votes
2answers
264 views

Which security features are disabled when I start wireshark?

I want to know which security features are disabled(if any) when i start wireshark in Ubuntu 10.10.
0
votes
1answer
769 views

Can I monitor home network and throttle traffic?

I have several computers in my network and would like to see which computer is hogging too much speed, then possibly throttle that PC. All computers are going through one router, both wired and ...