Questions tagged [network-monitoring]
Network monitoring systems check and report the status of network components, so administrators are alerted by degraded performance or outages.
157
questions
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.
...
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. ...
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 ...
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?
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 ...
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?
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 ...
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 ...
-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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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?
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.
...
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 ...
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 ...
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" ...
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
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?
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 ...
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.
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?
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 ...
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 ...
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 ...
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 ...
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 ...
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
.....
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.
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 ...
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 ...
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 ...
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 ...
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 ...
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) ...
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?
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?
1
vote
1
answer
12k
views
What network mapping tools are available?
What network mapping tools are available?
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.
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 ...
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 ...
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
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.
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).
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?