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

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1answer
15 views

How to check network usage over past X minutes

I have a media PC (that is also a web test server on the LAN) that I want to reboot every so often as long as it is not in use. I have tests in place for the server using kodi, myth etc (its the ...
5
votes
1answer
218 views

Nethogs → creating socket failed while establishing local IP - are you root?

Following update of my Kubuntu, I'm not able to monitor my network consumption using nethogs: sudo nethogs enp1s0 creating socket failed while establishing local IP - are you root? Kernel $ uname ...
0
votes
1answer
22 views

Unable to connect to wifi when wifi switched off and on again

I am able to connect to wifi on login, but sometimes, when the wifi switched off and on again, it is not connecting again. Usually, I put downloads and close the lid. When I see after sometime, wifi ...
0
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0answers
46 views

NTM - Network Traffic Monitor GUI

I installed NTM and I have a few queries: I tried to launch it both from cl or using the icon but I do not know if it is running ! Whenever I tried to launch it from terminal I am getting "Vector ...
1
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2answers
52 views

Long Network History in 14.04?

I have only one minute system monitoring in my current setting. I would like to have longer scale. How can you have longer timeline of network history in 14.04?
1
vote
1answer
13 views

Setting up tipc on Trusty

I am trying to setup tipc i.e tipcutils. I would like to use it to monitor my network for clustering, drbd/ocfs2. It seems the package is currently missing in Trusty although it is referenced ...
1
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0answers
43 views

Find out what network data is being sent/ recieved

I have recently had a data cap put on my mobile wifi subscription, in order to make sure I am paying for what I use and not more I am trying to track my usage. Having looked around the best way I have ...
0
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2answers
53 views

how much bandwidth is currently used by network

In windows there was a status info for the connection like how much data was used in the session . is there some thing similar for that
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2answers
125 views

Net speed indicator for Ubuntu 15.04

What are some net speed indicator available for Ubuntu 15.04 and how to install them?
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0answers
53 views

Ping works but MTR fails

I have been using MTR in the past to check for packet loss in my ISP connection. Now the ISP made some change and mtr example.com reports ~90% packet loss while regular ping example.com consistently ...
0
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0answers
49 views

I can't open a port using iptables

I want to open a port, I used this command: iptables -A INPUT -p tcp --dport 1111 -j ACCEPT when I use nmap command nmap localhost it doesn’t display the 1111 port ps. I'm using debian-7.8.0 Any ...
2
votes
1answer
76 views

How to keep track on network usage for long time in system monitor [duplicate]

When I get connected to internet then I open system monitor to track the speed and total uploads and downloads. When I get disconnected and then connected to the network then in system monitor the ...
0
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1answer
25 views

How to broadcast a folder in network of class B network?

I want my specific folder on every pc which is in common network of my college so how to broadcast that folder is there any command like ssh? please help me fast.
2
votes
1answer
49 views

execute script when mobile device logs onto lan

I am trying to find a way to execute a scripts on home computer as soon as a mobile device logs onto my home network. Fing and NMAP are the tools I need but trigger is posing a problem. Any ...
2
votes
1answer
2k views

Error for wireless request “Set Frequency” (8B04) :

I have setup a monitoring interface using: sudo airmon-ng start wlan0 channel 11 sudo iwconfig wlan0 IEEE 802.11bgn ESSID:"" Mode:Managed Frequency:2.437 GHz Access Point: ...
-1
votes
1answer
163 views

arp-scan command displays (Unknown)

this command sudo arp-scan --interface=wlan0 --localnet display the following results: 192.168.1.1 *:*:*:*:*:* D-Link Corporation 192.168.1.101 *:*:*:*:*:* (Unknown) why i can't see the name ...
0
votes
2answers
393 views

How can I access network statistics (like bandwith/data usage) in logs for the past 2 weeks?

I want to extract network statistics of past two weeks. It should contain information like the uploads and downloads, also the network speed (bandwith ) I received. I tried system monitor, but ...
1
vote
1answer
160 views

VPS bandwidth usage

I am using Ubuntu 14.04 for my VPS. Recently I have noticed an extreme download on it, but I don't know what is the website/service that may cause that. I have looked through but most solutions are ...
1
vote
1answer
210 views

Monitor PPPOE connection with vnstat

I've try vahid@DEMON:~$ ifconfig eth0 Link encap:Ethernet ... lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 ... ppp0 Link encap:Point-to-Point ...
1
vote
2answers
6k views

How to increase JAVA Heap Size?

I need to increase the default java heap size to get OpenNMS Linkd service running smoothly, and fortunately I have 4/5 of my total installed memory free at any given time even when their is maximum ...
4
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2answers
6k views

Listing DEVICES connected in HOTSPOT through Terminal

I connect my hotspot through ap-hotspot and I can see the notifications pop out displaying new device connected , device disconnected. (Because I want to learn about priveliges for access to use or ...
0
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2answers
79 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. ...
0
votes
3answers
367 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
1answer
88 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
1answer
48 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
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1answer
71 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 ...
11
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3answers
6k 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
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1answer
302 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 ...
3
votes
1answer
1k 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
1answer
95 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
66 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
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0answers
151 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
1answer
538 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
60 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 ...
11
votes
1answer
12k 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 ...
3
votes
0answers
592 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
1answer
534 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
2answers
298 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
votes
3answers
556 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?
2
votes
1answer
179 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. ...
15
votes
1answer
4k 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
1answer
270 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
960 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" ...
3
votes
2answers
17k 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
1answer
157 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
196 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
730 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
vote
3answers
26k 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
868 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 ...
23
votes
7answers
58k 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 ...