Ubuntu Networking :: Machine Sucks Up Bandwidth Simply By Being On
Jun 10, 2011
I have an ubuntu machine connected to my network which is used as a Minecraft server, storage, and a subsonic server for music. For the most part, the only person using these services, especially during downtime, is just me at home. Which is why I'm surprised that 2-days ago I detected that my network was being slowed to a crawl. There I found that the ip connected to my ubuntu was moving around 170,000 kb on my Netlimiter 3 program.
I have no idea why that is, I closed my ports that were forward for the ubuntu servers, but the bandwidth keeps leaking. Disconnecting the network from the ubuntu computer or turning off the computer stops the odd downloading and uploading. If anybody would have any information of what I can check or shut down in Ubuntu, please let me know. I'm fairly a beginner to the OS, but haven't been able to find a similar problem on this forum.
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Oct 17, 2010
I downloaded the 693.2MB Ubuntu 10.10 desktop iso image file, but since I cant easily trust new versions, installed in on Virtual Box to see If my DWA-125 wireless dangle works well on this version.As you may know, This USB adapter is based on RT3070STA chipset.In 10.04 installation of this adapter is practical using the driver source code from ralink website and black listing many modulesI described this methode here.But this is not working on 10.10.
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Jun 22, 2010
New problem with compaq 610 160GB 2GB intel duo core 2.0.This machine will simply not run sound apps on any distro I've tried with.
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Feb 28, 2010
i am using amd64 ubuntu karmic.. i am trying to install ns3 in it however once i start the build process..both the CPU are utilised to a 100 percent and after around building 1010 files out of 1050 the machine just powers off i tried doing a memtest..the same thing is happenin over there also..the machine simply powers down before completing the test..
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Nov 18, 2010
I created a the class like this for shaping the packets with a specified bandwidth rate.....
tc qdisc del dev eth0 root
tc qdisc add dev eth0 root handle 1: htb default 15
tc class add dev eth0 parent 1:0 classid 1:1 htb rate 750kbit ceil 750kbit
tc class add dev eth0 parent 1:1 classid 1:3 htb rate 600kbit ceil 750kbit prio 0
For Our Requirement:-
I dont want to specify the bandwidth rate strictly like this rate750kbit ceil 750kbit,based on whatever speed is coming which should allocate the bandwidth rate for particular class...I need one application for finding the upcoming bandwidth & Is any other method is there for specify the bandwidth rate in a classes.
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May 27, 2009
We have a sipmle office network set up that we also use use to connect to the internet, however of late the number of users has increased thus slowing internet access. Bandwidth upgrade is not an option thus i have to do bandwidth shaping on our linux router. The question is how do set the squid configs to allow certain IP's range a certain percentage bandwidtheg 60% and furthe divide the rest. Alternatively how can allow certain IPs to have higher bandwidth access.
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Jul 10, 2011
I've been trying to revive my old Acer Aspire 3680, which is supposed to have Acer InviLink 802.11b/g Wi-Fi CERTIFIED solution, supporting Acer SignalUp wireless technology, as shown is in Specification.The system simply doesn't detect Wi-fi and I don't know how to make it work.
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Jun 28, 2011
I have a linux desktop with two connections - fast eth0 and slow modem ppp0. Most of traffic (e-mail, DNS, NTP) can be routed simply by IP/mask. But how about http and p2p (torrents, DC++)? Routing by IP is unacceptable, because there is very huge amount of routing rules. I need route http packets (80 port) through ppp0, p2p through eth0 (10000:65535 ports). I've found that splitting traffic by port is possible with marking packets for different gateways. For begin I cleared all tables and bringed up connections.
Code:
# iptables -F -t mangle
# iptables -F -t filter
# iptables -L -t filter
Chain INPUT (policy ACCEPT)
[Code].....
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Feb 4, 2010
I hooked up my laptop via monitor cable to the L.C.D. T.V. and ran a patch I found on Ubuntu forums because it wasn't showing up on the T.V. After that it asked me what screen resolution I wanted I entered it and then the screen worked! However, now when I play movies on either the T.V as a monitor or just on the laptop itself it comes out with bad video quality now. It sucks because that was the purpose of hooking up my T.V. as the monitor was to watch movies and videos I have downloaded.
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Apr 12, 2010
You may have seen some other posts by me about my final year college project. Im implementing a web based network management website. Iv got a lot of the functionality working at this stage but one part is allocating bandwidth.
Iv got an eircom 3mb broadband connection and I want to be able to split this between users. At the moment I only have my desktop and laptop on the network. Im looking for advice on how i can allocate bandwidth with iptables and/or the tc tool in ubuntu.
My website is on an ubuntu virtual machine and written in php. Whatever about running the iptables and tc commands from php I still need to figure out the actual commands i need to use in the first place.
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Dec 2, 2010
The problem is that it simply won't connect in Ubuntu at all. In fact, to write this, I am using Windows. I am running 10.10. I downloaded the necessary file and installed it with my package manager, but it still won't work. What do I need to do to make it work?
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Feb 13, 2011
I try to access my ubuntu machine via my Windows Machine (Samba Server on Ubuntu Machine). Anytime I try to access the machine it asks me for my password...I enter it but it says it is invalid....is there anyway to reset it? I have already tried to remove and purge everything Samba related and then tried reinstalling, but that still didn't do anything
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Mar 18, 2010
I have an ubuntu kk laptop connected via wireless to my mixed network (xp, win7, other ubuntu), but i can not ping said machine or connect via ssh. Internet and smb-browsing ON this machine work, as does pinging FROM it. If this was a windows machine, I'd say a firewall is in the way, but since it's a vanilla karmic install, this should not be the case (or should it?).
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Jul 24, 2010
It seems whenever i create a folder it creates the folder as untitled folder, but i can't change the folder name it just says "you don't have permission to rename item" but yet i created the folder and it is there. One thing i have noticed is that once i enter a folder it won't even let me move the folder.
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Dec 3, 2008
I have ubuntu-8.04.1-server installed on virtual machine. It works perfect. Now, I made copy of this virtual machine. I started that copied machine and it works fine, except one thing: network does not work!
I have several others VMs with freeBSD, openBSD or Windows on it, but only ubuntu machine hes network problem after coping. I tried some other VM with ubuntu on it - same problem! I downloaded VM with ubuntu - same problem.I take a look into /etc/network/interfaces file and it looks just as it should (same as before coping) but ifconfig command returns parameters for lo only (before coping there was eth0 and lo).
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Aug 28, 2010
I am trying to establish the easiest way to share a folder from an Ubuntu machine to a Windows machine.In the past I have added things to smb.conf and that has all worked fine but what I am trying to do is to figure out what the "new user" way of doing this is so that when I am helping other people I know I am getting them to do the simplest thing.I completely removed samba and reinstalled it so that I didn't have any configuration. Right clicked on a folder and selected "Sharing Options" ticked the "Share this folder box" gave it a name and a comment and ticked the other two boxes.
When I went to the windows laptop then it kept asking for a username/password and nothing worked.Back on the ubuntu machine I did sudo smbpasswd -a [username] and created a blank password. Now from the windows machine I can access the shared folder.Is the smbpasswd step still required? It's very confusing for a new user as there is no suggestion that anything other than right clicking on the folder and choosing the options you want would be required. Is it something to do with the fact that this is an ubuntu machine that has gradually been upgraded through versions and this problem wouldn't have been there from a new install?
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May 3, 2010
Hey when i am downloading any thing using firefox or torrent, the downloading application eats up all the bandwidth, meaning i cannot browse the web simultaneously downloading anything , even Gwibber does not get updated...
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Jul 6, 2011
Since this is my number 1 place for asking questions, I figured I would go here first. So I live in New Zealand where good internet doesn't exist yet, and I'm in a flat with 3 other people and we get 40gb a month which hasn't been lasting more than 2 weeks. It is somewhat of a mystery where all our data has gone, so I need a way to monitor usage. We use a variety of operating systems including linux, xp & windows 7 on my pc, and xbox 360. Is there any kind of integrated solution I can use to monitor everything with password protection so it can't be disabled? I have tried looking in the router, but it doesn't give me many statistics, and I think it combines lan with wan usage. At this stage I don't have the money to make a linux box to put between the router and the switch that can monitor everything, but if it comes to it, I will shell out for one.
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Jan 12, 2010
What are the commands available in ubuntu to share & divide the incoming Bandwidth in Ubuntu? I am developing a Network management application for ubuntu in java. I am going to use it in server.Also I want to know about the networking commands available in Ubuntu.
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Mar 1, 2010
I would like to set up a logging system for rtorrent, the only way that i could think of this would be to set up bandwidth moniters in the ip tables but im not sure how to go around this.
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Jul 22, 2010
I love mac. Ubuntu will never live up to mac.
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Oct 5, 2009
I am renting a VPS from[URL].They do not supply a webhosting panel for restarting/shutting down or for seeing monthly bandwidth consumtion. I am running CentOS 5.3. I was wondering if theres any programs that you can install to view monthly/daily bandwidth consumption on our server?
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May 29, 2010
I can set-up an ssh tunnel from machine A to Machine B:-
fred@my-linux:~$ ssh -P myport fred@myserver.homelinux.com
I can successfully logon to machine A to Machine B.
what address and port will my tunnel 'appear' on machine B? I want to send a stream back from B to A up the encrypted tunnel, not over the open network.
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Jan 18, 2010
How to share bandwidth by means of commands in Ubuntu Linux?
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Jan 28, 2010
I wish to setup my spare PC as a router. I was wondering what programs, in ubuntu, I can use to monitor and change settings concerning bandwidth usage. I want to throttle down a computer in my network so what program would be good for this?
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Mar 6, 2010
I'm having problems with squid, and i don't know how to solve them because I'm new to linux. a. Why squid in my computer often does not work? The process has already started (using the command sudo squid start), but the Internet on client computers can not connect. This can be be resolved if the proxy server computer is restarted. Anybody know why is this happen?
b. How do I set the client bandwidth limitation using squid? I want the client computers can only use maximum 60-70 KB / s. Do I need another additional software package?
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May 16, 2011
I have an Ubuntu box, and there are two another PCs with Windows XP at my home.There is a TP-Link WR340GD wireless broadband router, and a Motorola SB5101E cable modem. Maximum download speed of the Internet connection is about 6 Mbit/sec.While I'm starting some download processes on the Ubuntu box, the other two PCs get only small bandwidth according to their users, although download speed on my computer does not often exceed its maximum.
More precisely: I usually download files at approx. 1 Mbit. The other users complain about that I slow down the Internet connection at their computers, and tell me to stop using the Internet.Is it possible to improve the usage of internet bandwidth, and share the connection fairly between computers
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Aug 3, 2011
very slow internet connection with a download speed of only five kbps and my problem is i have many softwares installed which startup during my boot and i can see network activity in the system monitor that some software is using my internet speed and all other important downloads run slow...Can anybody tell me some softwares which tell me which software is using my internet bandwidth, I tried iftop and it shows only the connection between client and server with ip address ...I need softwares which tell the software using the internet bandwidth
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Dec 18, 2009
Im looking for a program to monitor the ammount of bandwidth usage per network. Ex: I have lots of networks connected to one server, and i would like to know for example how much is the average bandwitdh usage for network 172.16.2.0/24 and 172.16.5.0/24 for one hour, for example.
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Mar 22, 2010
I'm doing some simulations (using Iperf) to obtain throughputs values of a link between two gigabit ethernet cards for different delays and different drop probability (using netem) .... Now I have to do a 3minute long simulation in which during the firstnute the bandwidth is 1000Mbit/s, 500Mbit/s during the second minute and 1000Mbit/s during ththird one....Does anybody know how can i do this type simulation
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