Questions tagged [network-monitoring]

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

Filter by
Sorted by
Tagged with
0 votes
2 answers
116 views

tool/command to know the speed of individual network connections

From my Ubuntu server i usually connect to different networks for codebase/builds downloads. Is it possible to monitor the speed that I get while downloading/uploading from these individual servers. ...
Anshul's user avatar
  • 103
2 votes
4 answers
12k views

Is there any linux in built application or any method to find the network usage(data usage) of the internet connection?

Is there any linux in built application or any method to find the network usage(data usage) of the internet connection? I know there are many softwares that can be installed into os for this purpose. ...
Samitha Chathuranga's user avatar
1 vote
1 answer
96 views

Receiving obscure data after upgrade to 14.04

I upgraded to 14.04 recently (obviously). Since the upgrade, I started noticing that my internet was extremely slow for the first couple of minutes. Checking the system monitor, it seems that my ...
Earthliŋ's user avatar
  • 591
0 votes
1 answer
941 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?
MeetM's user avatar
  • 269
0 votes
1 answer
293 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 ...
axatrikx's user avatar
  • 126
38 votes
3 answers
69k views

How to monitor who is pinging me?

Is there a way to know who is pinging my PC on my network? Is it possible to monitor all ICMP packets? How can I do that?
nux's user avatar
  • 38k
2 votes
1 answer
855 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 ...
garak's user avatar
  • 143
5 votes
1 answer
2k views

Why doesn't System Monitor 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 ...
Andrew Roskuski's user avatar
-1 votes
1 answer
113 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 ...
user215092's user avatar
0 votes
2 answers
89 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 ...
pufferfish's user avatar
2 votes
0 answers
182 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 ...
wardr's user avatar
  • 2,289
4 votes
1 answer
1k 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 ...
Pavak Paul's user avatar
  • 1,234
1 vote
1 answer
76 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 ...
John's user avatar
  • 171
26 votes
2 answers
76k views

List all internet connections

I'd like to know all the connections my system is making to the internet. I tried netstat but that shows a lot of connections - all of which aren't applicable I think. Can it be displayed like top ...
James's user avatar
  • 261
5 votes
2 answers
3k views

Is there a GUI for nethogs or similar network-monitoring app?

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 even in a GUI. Does anything like ...
Bastian's user avatar
  • 311
2 votes
1 answer
2k 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 ...
Hrish's user avatar
  • 2,343
0 votes
1 answer
370 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 ...
Dee's user avatar
  • 1,976
4 votes
3 answers
884 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?
Vishnu Bathala's user avatar
3 votes
1 answer
244 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. ...
Tim Lassie Freeborn's user avatar
22 votes
1 answer
7k views

Nethogs ioctl failed while establishing local IP

When I tried to monitor my internet bandwidth with nethogs $ sudo nethogs eth0 I got the following error: ioctl failed while establishing local IP for selected device eth0. You may specify the ...
Herks's user avatar
  • 833
1 vote
1 answer
625 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 ...
zuba's user avatar
  • 2,393
1 vote
3 answers
2k 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" ...
ts01's user avatar
  • 399
5 votes
2 answers
36k 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
moorecats's user avatar
  • 185
0 votes
1 answer
209 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?
Saqib Ali's user avatar
  • 845
1 vote
1 answer
331 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 ...
Tony Martin's user avatar
3 votes
2 answers
1k 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.
user112760's user avatar
10 votes
3 answers
114k 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?
chaitanya's user avatar
  • 101
5 votes
1 answer
1k views

Internet Connectivity Indicator 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 ...
Sathish's user avatar
  • 53
33 votes
7 answers
101k 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 ...
Sergio's user avatar
  • 331
1 vote
1 answer
2k 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 ...
sennett's user avatar
  • 317
1 vote
0 answers
41 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 to ...
onvas's user avatar
  • 606
4 votes
2 answers
41k 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 ...
Nicolas Raoul's user avatar
5 votes
3 answers
26k 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 .....
One Zero's user avatar
  • 27.1k
5 votes
1 answer
22k 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.
jrg's user avatar
  • 60.6k
1 vote
1 answer
10k 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 ...
Pininy's user avatar
  • 11
17 votes
4 answers
99k 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 ...
Ankur Trapasiya's user avatar
2 votes
4 answers
4k 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 ...
TheXed's user avatar
  • 26.5k
0 votes
1 answer
600 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 ...
Ravish's user avatar
  • 123
14 votes
2 answers
9k 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 ...
cirkator's user avatar
  • 143
4 votes
1 answer
6k 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) ...
imbaer's user avatar
  • 2,921
3 votes
1 answer
444 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?
Lenik's user avatar
  • 10.4k
4 votes
1 answer
2k 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?
N.N.'s user avatar
  • 18.2k
1 vote
1 answer
12k views

What network mapping tools are available?

What network mapping tools are available?
jrg's user avatar
  • 60.6k
2 votes
2 answers
316 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.
Ajay's user avatar
  • 141
0 votes
1 answer
1k 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 ...
robx's user avatar
  • 497
1 vote
3 answers
7k views

How to monitor my Wireless connection

I have setup a Home Wifi zone and can connect my laptop/phone to it successfully. I want to know, whether there is any tool/command which allows me to monitor my network connection easily. For ...
Arindom's user avatar
  • 8,182
0 votes
1 answer
1k views

How to get wlan0 rate from cli

question is in title, best would be from some file in /sys instead of parsing output of iwlist ? I need this number from output of iwconfig "Bit Rate=54 Mb/s". Thanks
Denwerko's user avatar
  • 1,218
21 votes
7 answers
15k views

Is there a command that returns network utilization?

I need a command that I can run that returns the current utilization of wlan0. Does such a tool exist? I would prefer something that doesn't require root privileges.
Nathan Osman's user avatar
  • 32.1k
9 votes
1 answer
3k views

Internet Monitoring & Control tools

I'm looking for an application for monitoring internet usage and controlling bandwidth speed and quotas for each user/MAC in a centralized server for a small LAN network (less than 100 PCs).
Malcolm X's user avatar
13 votes
4 answers
15k views

How to monitor network bandwidth per user on Ubuntu server?

I have some shell users on a server with 300GB of monthly data transfer. How can I monitor bandwidth usage per user?
Pedram's user avatar
  • 5,691