Ubuntu Networking :: System Monitor Doesn't Show Internet Traffic?
Mar 8, 2011
Ubuntu system monitor applet doesn't show internet traffic although my wireless is working just fine. I use a conky to monitor bandwidth through vnstat and had no problem till I upgraded to maverick.
**ifconfig
wlan0 Link encap:Ethernet HWaddr 00:24:d2:c4:3e:da
inet adr:192.168.0.100 Bcast:192.168.0.255 Masque:255.255.255.0
adr inet6: fe80::224:d2ff:fec4:3eda/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[Code]...
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Apr 27, 2010
We have something on our network that is reaking havoc with our content filter. I am trying to track it down, but so far I have been unsuccessful. We have approximately 500 devices in 100+ different locations spread across 9 states. Looking at each computer is not really feasible.
I need a machine that can sit in between our network and our internet connection and graphically monitor in real time and logs how much traffic each device is sending and receiving. It would need to sit inline so it has to have two nics and be able to pass traffic. The machine also needs to be transparent. Reconfiguration of our routers or workstations is not an option.
I have used ethereal and wireshark before. Ethereal may be a viable option, but wireshark seems to provide lots of information, but no practical way to make use of it. how to set up the box to be a transparent device on the network that will allow internet bound traffic to flow (freely)?
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Mar 9, 2009
Is there a nice easy to use tool that displays (in KB/s) the internet traffic from every IP on a network?
Currently I'm using iptraf, but it's very hard to understand at times.
A little info on my network:
I'm using SNAT for internet sharing.
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Aug 23, 2009
I have a 2 machine LAN with both machines having an ethernet card and a wireless card. There is a Netgear router, both eth and WiFi, allowing both machines to access the internet.
On my Linux machine I am looking for some software that allows me to keep track of my broadband usage on that machine, excluding traffic between the two machines.
There are numerous such programmes for this in XP, which use Winpcap and a GUI frontend. The "other" machine on my LAN is XP and uses just such a program.
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Nov 8, 2010
I would like to be able to monitor which programs are allowed to access the internet, but a search for programs to do this has turned up nothing. Preferably, I would like a notification to come up every time an application uses the internet. Is there any (n00b friendly) software available to do that?
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Jul 15, 2011
I've got a fresh install of Natty on my Dell Studio 17 laptop. The screen on the laptop doesn't work so I have it plugged into my Panasonic TV with an HDMI cable. The only problem is that the TV is not showing the outer edges of my desktop. So, I can't see the "Applications" menu, for example, or the button to click to Logout. I've messed with every setting available on the TV and nothing has helped.Can anyone provide any advice? I've started messing around with xrandHere is the output of 'xrandr':
Screen 0: minimum 320 x 200, current 3360 x 1207, maximum 8192 x 8192
LVDS1 connected 1440x900+1920+0 (normal left inverted right x axis y axis) 367mm x 229mm
1440x900 60.1*+ 59.9
[code]....
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Nov 4, 2009
I have a Linux IPTables firewall on Centos 5.3.It has one physical interface to the internet and 2 internal interfaces to a DMZ and TRUSTED zone respectively.There are 10 virtual interfaces linked to the physical public interface.Emails are being sent from my server in the DMZ out to the internet, but it is being shown as coming from the firewall IP address.It must show as coming from one of the virtual interfaces.
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Jan 20, 2011
Is there an easy way to monitor network traffic? I want to make sure my kids are surfing safe...
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Jan 8, 2010
is it possible to see the router traffic using a remote system? can those packet headers b modified for marking purpose?
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Dec 18, 2010
How will I monitor the traffic of tun0 ?
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Sep 27, 2010
what I want to achieve is just to be able to say to who ever is killing our relatively fast connect that they aren't the only person using the network. Everyone just says "I hardly download anything." which is obviously untruthful as normally I can download at 1.5 MB/s but now loading even google.com takes way too long (same with pinging and all other sites). Once I do this, I can determine whether or not I need to call my ISP and do the long 'on hold' dance and "have you tried rebooting the router" BS.
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Aug 6, 2011
Is there a way to get the system monitor to show root processes like top does?for example the update manager or xorgusing 10.04.3
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Apr 18, 2011
I recently installed FC14 on my system as I was previously on FC8. Everything seems to be working fine, but I ran into an issue today where I wanted to kill firefox. I checked in gnome system monitor and I did not see a running process for firefox or firefox-bin. I also ran a "ps -e" command from a terminal as root and did not see it there either. I don't know if this is a fedora issue or a firefox issue, so I am posting it here first.
And just to vent on something that IS a firefox issue. I have the new firefox 4 running and when I click the X in the top corner, it doesn't give me the option to save my current tabs and exit like the previous versions did. That was a feature I liked.
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Jun 8, 2011
my Dell OptiPlex 990 running Ubuntu 10.10 64bit is freezing irregulary after using firefox.The screen and the keyboard are frozen, all i can do is moving the mouse cursor, but i can't click at anything.The System monitor applet didn't show anything before the crash. I couldn't find the logs for the time before the freeze startetd.
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Oct 29, 2009
is there a utility with which I can get the current traffice towards a given host, for example;
command 87.255.33.32
22000
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Sep 14, 2010
I am connected to a network with free traffic inside it and post-paid outer traffic. So I need a way to be able to separately monitor the download traffic from inside and outside the network. All the solutions I`ve found for now offer monitoring of ALL up/down traffic.
So, I want to get separate statistics on these:
1 — 81.89.188.0/23, 217.197.9.0/24
2. — 81.89.186.0/23
3. — 81.89.178.0/23
4. — 81.89.176.0/23
5. — 81.89.180.0/24
9. — 217.197.12.0/24
[Code]...
UPD: I`m connected to the internet through the network`s gate, so all the traffic comes through eth0. I wish to separate traffic incoming from the IPs on top from all other traffic
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Oct 6, 2010
I am sharing my DSL internet connection using a modem+wireless router (single device) to 5 systems. I want all my internet traffic to go through one of the linux boxes in my network.
The problem here is that wireless devices connect directly to the modem+wireless router.
Is such routing of traffic possible??
PS: I am not sure if i could convey my situation clearly...
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Jul 27, 2010
I have a desktop, a laptop, & a wireless router. The router, unfortunately, doesn't support dd-wrt, tomato, etc firmware, but I would still like to prioritize voip/web browsing over bulk Internet traffic. I hope I can offload the router's missing QoS to my desktop.
Is it possible to have the laptop's connection go from the wall to the router to the desktop, where the desktop could perform the QoS of tomato, then continue on to the laptop? I'm a bit of a noob to networking (subnets?) but do well enough following good instructions.
As for the program that would do the QoS... Don't some Linux machines basically work as super-powered routers for businesses? So there must be some package but couldn't find one. The closest I got was wondershaper but it only shapes traffic for the computer on which it's installed; it might form part of the solution but falls short on its own. other devices should be able to access the Internet normally if the desktop is turned off, & work with other devices like a (jailbroken) iPod Touch.
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Feb 8, 2011
I have the standard wired LAN NIC and a wireless NIC installed. What my problem is, the wireless NIC will not take any internet traffic. The LAN connection gets it's internet from my LAPTOP with a Clear 4G module. I have a very strong wireless connection, but when I remove the LAPTOP from the network, I get nothing on my Ubuntu computer here, even though I have a solid connection. What is needed in the config to let the wireless run in the "back up" internet connection mode?
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Jul 19, 2011
My PC is part of a LAN so while configuring eth0, we specify the Gateway to access all other resources in the network. The PC successfully access Internet through a proxy server configured in Mozilla(manual proxy config) but the update option or the Synaptic Pkg mngr are not able to access internet anyway. I have tried the option "Apply System Wide" in "Network Proxy" but no progress so far.
I also tried to forward all request coming for udp/tcp on port 80 to the proxyserver on a specific port, but with no success. Also I can't ping any website from terminal, reiterating the fact that I can access internet in firefox through the proxy on a specific port.
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Mar 4, 2010
My ISP has given me 3 IP addresses to use for the internet (76.148.200.3, 76.148.200.4 and 76.148.200.5).
If I do a "wget whatismyip.com" or netcat into another server, I am appearing as 76.148.200.3.How do I change my route (command line) in linux to route internet traffic through 76.148.200.5?
Code:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
code....
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Mar 28, 2010
I have eth0 and tun0. tun0 is a VPN tunnel going over eth0. Everything on the other end is setup and working fine, when I type Code: traceroute 4.2.2.1 I see my the ping is going over 192.168.2.99 (eth0). When I then type Code: route add -net 4.2.2.1 netmask 255.255.255.255 dev tun0 traceroute 4.2.2.1 I see ping is going over 10.8.0.1 (tun0) instead of eth0, so that is working
What does not work however is when I do Code: route add -net 0.0.0.0 netmask 0.0.0.0 dev tun0 traceroute 4.2.2.1 I get no ping! I believe the problem is because all traffic is routing over tun0, which means even the VPN tun0 needs to go through eth0, it can no longer do this. Is there a way around this where I can route everything except for 114.77.31.26 (which is my VPN gateway for tun0)?
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Mar 30, 2010
I'd like to allocate a certain quota to my local user for their internet navigation.
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May 14, 2010
I have no idea how I managed this, but I am able to connect to the internet but NetworkManager doesn't show any connection. This means that until I kill it, I cannot log in with Pidgin, because it is waiting for a connection.
Do I disable NetworkManager completely or do I try to make it recognize that I am connected to the Internet? If the latter, then how should I go about? (Please let me know which files I need to show you, because I know I've messed around with a couple).
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Aug 31, 2010
I have some questions about openVPN. I am wanting to hide my downloading through transmission and I'd like to know if I can use openVPN for this? Also do I need access to a server? I don't understand how it all works.
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Jun 3, 2010
My internet gateway is 192.168.1.1 with a 255.255.255.0 subnet mask. I have a router connected to it running ddwrt with an ip 192.168.2.1/24 creating a second subnet behind it. I have a tenant moving in that will be wirelessly connecting to the ddwrt router, so to the 192.168.2.0/24 subnet. What I am looking for is a rule that will pass internet traffic to and from this client, but restrict him access from the 192.168.1.0/24 subnet otherwise. The ddwrt router is connected to the 192.168.1.1 gateway through its wan port, btw. For example, the client would get an ip address of 192.168.2.100 wirelessly from the ddwrt router. I want him to be able to surf the internet through the 192.168.1.1 gateway, but not to have any other access to the 192.168.1.0/24 subnet (ideally not have access to ANYTHING besides the internet).
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Mar 19, 2010
So I'm not really sure what it is exactly that I did but my internet just quit working. I can't connect to anything at all. I have an acer aspire 5532. It uses build in wireless but I just tried to connect using an ethernet cable and nothing happened. Still couldn't get on the internet. My wireless monitor won't even show up on the panel and I've tried to readd it and it doesn't work. I have no need for a computer without internet.
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May 9, 2015
I wanted to switch to Linux from Windows so I decide to install Debian. The installation completed successfully but after that the bootloader doesn't show after the system reboot. So it is just black screen. I have an option for booting Debian (which will go to a black screen) and go to command line which looks like command prompt in Windows. I tried going to the command and it shows
grub>
I don't know which command to input since I'm a newbie and not familiar with Linux. I installed Debian from USB using unetbootin. What I should do to successfully install Debian?
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Apr 4, 2011
I am running Ubuntu 10.10, upgraded a few weeks ago from 10.04. I noted from the system monitor that the system was generating a lot of network traffic, on the order of 10Mbps if the information is correct (using system monitor and iftop). From the process table, it appears that smbd is accumulating a lot of CPU time, which sort of makes sense as I use Samba for printing from a Windows 7 laptop. But the traffic seems to be making a round trip as I just rebooted the system and it reports in about 10 minutes of uptime 1.2GB was send and 1.2GB was received. Laptop is used for work, it is sitting idle for the last 30 minutes (VPN connection, etc); no backup or other interaction with the Ubuntu system.
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Aug 3, 2011
running top shows:
Tasks: 165 total, 1 running, 164 sleeping, 0 stopped, 0 zombie
Cpu(s): 3.5%us, 2.2%sy, 0.0%ni, 93.9%id, 0.5%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 3721884k total, 3376604k used, 345280k free, 107524k buffers
Swap: 3855356k total, 40k used, 3855316k free, 2013536k cached
but System Monitor tells me that only 33.9% (1.2gb of 3.5gb) is being used. Why is the memory used difference so great?
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