Ubuntu Networking :: Internet Dies After Some Time
Sep 24, 2010
I don't want to 'spam', (I had started a first thread about this some time ago), but I'm (still) experiencing problems with my internet: I can use the internet (I am connected through a simple switch) for some time, that is: surf the internet (in firefox) and download using vuze (azureus) but after some time, the internet connection 'dies' (downloadspeeds jump to 0b/s and I am not able to surf to any site in firefox). When that happens, the only 'solution' to this is restarting my pc.
I first experienced this when using ubuntu 10.04, so I thought that it was a 10.04 issue. I knew that when I had ubuntu 9.10 (karmic koala) installed, this didn't happen. So today, I installed karmic koala, but much to my surprise I am experiencing the same problem. I used 'lspci' to find out what NIC is in my pc and I found out I have the following NIC: 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78 ) I'm suspecting the NIC to be the problem. Is this probable? If so, I want to buy a add-in network card (simple one, not a gigabit card)
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Feb 22, 2011
I am having some trouble with my opensuse 11.3 internet connection for two weeks. After a certain period connection drops while using both NetworkManager and ifup. For info, I write the outputs of some codes.
[Code]...
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Jan 27, 2011
When I start Audacious and make it play music, after a random time the player
freezes up and the music stops playing. I have to make Audacious force quit and restart it, then it works for some time again. When I play a ..... video (in Firefox), it plays fine for some time and then it loses sound and either continues playing silent or the video stops and doesn't start again until I reload the page.
I use kernel 2.6.31-11-rt and the soundcard is...
product: AC'97 Sound Controller
vendor: Silicon Integrated Systems [SiS]
physical id: 2.7
[Code]......
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Sep 21, 2010
Whenever I use Ubuntu, the internet seemingly dies out randomly. It never does this for windows 7. Could it be the router coincidentally dying, or is it a problem with Ubuntu?
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Mar 8, 2011
Am trying to set up a new system but am getting some strange behavoir. I've administered an Irix system before. I have opensuse 11.3 installed with gnome running. When i enter a bad user id in the windows login screen, the bad authentication causes the x window manager to crash and leaves the system in the ascii terminal mode login. I then have to login as root and do an init 3 , then init 5 to get the x server started again an get the windows login started. Has any one seen this behavior before and how can i fix this. Been hunting through /etc/X11/xdm to see what startup scripts could be causing this.
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Jan 31, 2010
I followed this guide for my Acer Aspire One A150, and got wireless and suspend working fine:[URL]pendtoRAMThe only problem is that wireless is dead after resuming from suspend. I have to type:/etc/init.d/networking restart and after that everything works just fine and I get internet again.Is there a way to automate that process on resuming from suspend, so that I won`t have to type it manually each time?
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Aug 27, 2010
There is 2 networks that I would like to be part of
a) Through my wlan0 --> Internet DSL
and
b) Through my eth0 --> WUG - PTAWUG
I can only get one of the networks to work at 'n time. The wlan0 works fine when I start my PC, but when I want to access the WUG I need to do the following command:
Code:
sudo route add -net 172.16.0.0 netmask 255.240.0.0 gw 172.24.6.177 dev eth0
with the above command, I can then access the WUG but not the internet through my wlan anymore.all data goes to my wlan as standard unless its on the 172.16.0.0 network
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Jun 22, 2009
I have two internet connections. One is wired ADSL Broadband & another is USB EVDO modem. I can use only one source at a time. That means the traffic will pass through either ADSL or EVDO. Other connection just sits idle. I want to use both the connections together so that I will have increased bandwidth. Is there a way to do that?
My computer has one NIC card. Both ADSL & EVDO use dynamic IPs.
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Jul 22, 2010
I have a wireless Internet modem (USB) and a LAN Ethernet connection. I can only pick 1 of them to connect to (by disconnecting the other). How can I connect to both at the same time?
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Jul 25, 2010
i configured my laptop (running UBUNTU 10.04 LTS) for my broadband (bridge mode). I did that using PPPOE CONF command. Everything goes ok but only prob is i have to run this command and configure my net every time i restart my system. What i need is it should connect to the net whenever i use the PON DSL-PROVIDER and must turn off by using POFF..
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Apr 1, 2011
I have 2 pcs at home. I dont have a switch so I can connect only one PC at a time to my adsl router/modem for internet access. In the past I had successfully connected the two PCs (NIC to NIC) to each other using the same ethernet cable which was supplied with my dlink adsl modem.
Recently the motherboard of on of my PC went bad so I replaced it with a new one. The problem is when I connect the two using the same Ethernet cable they won't connect. The lights on the Ethernet port won't light up. I can still connect both of them to the adsl router (NIC to Router) (one at a time).
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Jun 13, 2010
how to make dsl setup and to acess both wireless and wired at a time.
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Apr 23, 2010
I could not find an answer to this. I can connect to the internet no problem after I edit the connection name to NETGEAR instead of our last name. After a while it looks like it renews the connection and created a new one with the wrong name. The connection drops. It looks to me it is not using the same wireless connection each time but creating new ones that do not work for the above mentioned reason. What can I do to stop the loop and have it use the same connection always?
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Feb 11, 2010
I have a Linksys AG300 "Adsl gateway" router/modem. When I download files with Iceweasel, the connection to the internet drops out (the internet connection light goes off, downloading stops). It's been happening for a while with Etch (and whatever version of Iceweasel Etch has), but I've today installed Lenny and it is still happening in Lenny.
My ISP said it could be a problem with the phone line because my computer is connected to an extension, but it does not happen at all if I download with Opera, and I would have thought that the browser wouldn't matter if it was the phone line or something in the router/modem. I'm not that fussed because I can use Opera to get my downloads, and the new version of Iceweasel will let you continue on if the download stops so all is not lost if it stops (it's just annoying). I'd be interested if anyone has any ideas as to why this happens. It seems to be an "Iceweasel thing".
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Apr 15, 2010
I recently installed the vt6656 wireless pci card that came with my zotac motherboard. I can associate with my ap and get an ip address successfully. When I disconnect my ethernet cable, however, my wireless interface stops responding (can't ping it). The box itself is in a place where I don't have a monitor connected to it so I cant see anything since my ssh session gets killed as soon as I disconnect the ethernet cable.
What would be the reason why the ehternet cable being unplugged, disconnects my wifi card as well? Does something get triggered? I did some testing with iptables, blocking the 8080 traffic to the wired interface, and noticed that the 8080 traffic also gets blocked to the wifi ip. I'm afraid that this never worked properly to begin with.
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Jan 31, 2011
I just installed Ubuntu Netbook 10.10 on my new Asus Eee PC 1215T, and I'm having trouble getting Internet access. When I first start up or reboot the PC, I'll have network access, but not Internet access. I'm connecting via a WAN at my university, and so the first thing you have to do is "register" the computer on the network (by visiting a certain website on their intranet) before it will allow you to access the Internet. Takes about 3 minutes to register it. I have enough time to *begin* this registration process, but I've tried several times and I can't get all the way through it before I mysteriously lose all network access. Unfortunately this is a brand new machine and came without any OS installed, so there's no way I know of to test whether this is defective hardware or not.
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Feb 18, 2011
This sux cause im new to ubuntu and it was working great on my laptop but after a recent update the wireless (wifi) connection just dies after 1 minute. The connection is still active, the icon shows full signal, nothing seems wrong at all, but there is no internet communication at all.
If I disconnect and reconnect I get proper internet comms for another minute, then it goes dead again!
This all started after a recent series of updates.
Computer:
Toshiba Satellite L505D-S5965
AMD Athlon X@ Dual Core QL-65
ATI RADEON 3100
Realtek RTL8187SE Wireless 802.11b/g 54Mbps PCIE Network Adapter
Realtek audio
Software:
Dual boot Vista (original factory installation) ubuntu added 2nd
All the latest kernals and non-beta releases as of 02/18/2011
I was almost ready to go all ubuntu, but I had to log back into vista to get internet to try and find help. ubuntu has been like this for weeks, but i havent had the time to try and find out what screwed the pooch on my wireless....
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Jan 15, 2010
We have a NAS application which can be accessed by both HTTP and HTTPS connections.
The issue we are facing is that the tcp server instance that initiates the HTTP access dies after a few hours of inactivity(the NAS application was kept idle for around 10 hours). However, the tcpserver that launches HTTPS connections remained running.So the connection failed through HTTP access but the connection succeeded through HTTPS access.
The converse has also been observed where the tcpserver for HTTPS is dead but tcpserver for HTTP is running.
The version of tcpserver that we are using here is ucspi-tcp-0.88.tar.gz.
I have the following queries:
a)Has anyone faced the same problem before?
b)Is it an issue with this package version of tcpserver ?
c)Will upgrading to newer versions of tcpserver bail me out of the issue?
d)Also, could anyone let me know what are the possible causes for the tcpserver to die ?
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Feb 10, 2011
I'm trying to run an RSYNC job that keeps hanging without any error messages. When I started monitoring traffic with WireShark, I found that RSYNC runs without problems for a few minutes, then starts generating endless TCP ZeroWindow warnings and eventually dies with TCP Window Full error.Has anyone seen this before?PS: I should mention that I don't know much about remote system and I'm not using SSH, just pure RSYNC.
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Apr 28, 2010
I posted this on Launchpad under bug# 569445 and though I'm certain someone in our heroic development community will have a look at it eventually, maybe someone can help me here in the meantime, or at least provide some background info. Maybe a little reassurance that Ubuntu isn't broken for my Wifi is all I need.
Quote:
Binary package hint: wireless-crda I do hope I've picked the right package for this. Investigators, feel free to email me with whatever bash commands you need me to find out more about the hardware. The problem is that wireless in Lucid is dying for me after about a minute or so, and the activity light on my netbook just flashes. The wireless monitor at the top of the screen still thinks it's connected. It's like it's out of sync or something.
This doesn't happen under Win7 on this hardware, nor does it happen to other devices in my house on the network. Also, I wasn't having this problem under Lucid Beta 1 I have an Acer Aspire (Olympic Variant) 1410 Win7 reports the adapter as Intel WiFi Link 1000 BGN The wireless router I'm using is a DLink DIR-628. The connection is OPEN.
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Nov 11, 2010
I have an Ubuntu 10.10 (64 bit on a Dell PowerEdge T310) that cannot connect to the Internet. The network interfaces work fine because I can connect to our local network and to the firewall appliance. The network is controlled via DHCP. I have another Ubuntu 10.10 machine that connects to the internet without any issues, so I don't believe that it is a firewall issue.
Via networking tools, I am able to perform a lookup, so DNS appears to be working. When I perform a trace route, it makes it to my firewall and then returns "no reply" from there. In firefox, I time out on "connecting to ..." I also fail on any apt-get update calls. I've disabled ipv6 in Firefox with no effect. Ifconfig results and gateway route is all correct.
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Oct 20, 2010
In the right upper corner of your screen,you can see if you have a network connection or not.Most of the time I do not have one according to Networkmanager (?).So I have to enable my wired connection manually.I already tried a lot to change my settings so I would have a network connection at boot,but it doesn't seem to work....Firefox is in Offline modus when I logon..
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Jul 23, 2010
I use Debian Lenny .I installed NTP server on my debian and take following changes to /etc/ntp.confserver 127.127.1.0fudge 127.127.1.0 stratum 10but when I try to sync time from clients I cant and I see following error message :no suitable server found for synchronization
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Apr 15, 2010
Is there a way to create a guest account and have Ubuntu "automagically" limit the amount of time the user can access the Internet? So, for example, could she set up an account for her son and limit his Internet access to an hour at a time?
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Jun 21, 2010
Firefox take so long more that 2 min when started and there is no internet is available (i.e. Ethernet cable is unplugged).
I think FF is looking for the connection. How can I make FF ignores this check.
I need this because sometime I am away from my networks and I need FF for local testing for web development.
I am using Ubuntu 10.4
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Sep 2, 2009
how do I set the internet time from the command line?how to make a linux machine the time server within the domain?
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Apr 13, 2011
I've just installed CentOS 5.3 on my laptop and trying to connect to wireless internet connection at my home but I've found no success so far. I have a key on my laptop that turns blue when wifi is activated, but it is always red in linux so I guess I need to install some drivers, but I dont know what they are. When I use Windows, it automatically turns blue without doing anything. Also, yum doesnt work as well as its not connected to internet...
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Sep 29, 2010
I got problem in my internet every time when system is boot or network is disconnected i have to enter the DNS address(number) primary and secondary
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Aug 17, 2010
what to type in terminal to diagnose this?
I typed "compiz" into the terminal and attached the readout.
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Sep 3, 2010
i have a ubuntu 10 server (as server LAMP) , i was trying to repair a couple of unix files with fsck command on directory, thinking it would apply only that directory, but it affected all system, in th end it says: "file system has changes, restart ubuntu", then services go down, after some directories fail, restart funtion do anything... i switched on again, but at start show error.
I got another ubuntu and installed damaged hard disc, but, i can see file sytem, i has been trying to repaired with TestDisk but i can't...
i want to recover mysql database at least, but a don't know what to do.... how a fsck get damaged SO
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