Ubuntu Networking :: Stops Working In 10.10 And Firefox Randomly Stops Working?

Nov 13, 2010

I'm running Ubuntu 10.10 Maverick Meerkat 64-bit on my desktop with a wired internet connection (with no firewall). For the past 2 days, I have observed that1. Firefox randomly throws up errors like "Problem loading page" whenever I click on a hyperlink. When I click on Reload, the page loads up just fine. This has been happening a lot recently..and I do not remember updating anything consciously. By the way, ipv6 is disabled in Firefox.2. The network stops working all of a sudden (usually indicated by the Firefox error). The Autho Eth0 indication is active, but I am unable to connect to any external machine.

3. Needless to say, this error is manifesting itself in apt-get as well. I get "something wicked happened" errors all the time, and am unable to download or install anything.That this is not a problem with the ISP is obvious because I also have Windows (from which I'm typing this, ironically), which is able to access the internet.Is this a bug in Ubuntu 10.10?

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Ubuntu Networking :: Desktop Internet Randomly Stops Working?

Mar 2, 2011

Not sure if I've listed the specs of this machine before, so I'll do it again. 'm running an HP Pavilion 760n with 512MB of RAM and (I think?) a Pentium III processor... not sure on that one right now. It's currently running a laptop version of Ubuntu 10.04.I went to log into my online classes tonight only to find that the computer wasn't responding at all. I did a hot shutdown and restarted it, and now the system isn't detecting the internet connection at all. It should be noted that the connection was working perfectly fine earlier today, perhaps 6 or 7 hours ago.I know it's something to do with my computer and not my router, as I'm on my wireless network from a Windows 7 laptop and it's connecting just fine.

In viewing another thread,..lems+-wireless, I found a bunch of commands that it was said would be helpful diagnosing this issue. That said, below is the output of all the commands that I could think of.

Sudo ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:e0:18:5c:45:7a
inet addr: Bcast: Mask:


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Ubuntu Networking :: Wireless Connection Stops Working Randomly?

Sep 1, 2011

I have a problem with my wireless connection in ubuntu (natty with amd64bit) There seems to be intermittent disruption in my connection. Havent seen a pattern as yet, though it happens once a day. After that I cant get it to work at all and only restarting + reconnecting the USB device helps. Dont know what is going on.I have already read these pages : Commands and Wireless Troubleshooting.Here is my line of though1) Given that I am able to connect other devices to it while I am not able to connect through this desktop, I think the router is OK.2) I am able to work with it after restart + re-connection . And so the driver is OK and is loaded. The driver seems to be oK and loaded even while I am not able to connect.So why is this happening and how can I get this under control without having to reboot and re-connect the device everytime.Here are the output for the commands which will give you a more detailed idea of the process. Before reboot while I was not able to connect:

Script started on Tue 23 Aug 2011 01:40:08 PM CDT
raja@UshRaj: ~raja@UshRaj:~$ sudo nm-tool


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Ubuntu Networking :: Acer 5520 Wireless Randomly Stops Working

Apr 28, 2010

My Acer's Wireless randomly stops working until you fully shut down and start the computer.(Not Restart but Shutdown->Powebutton) I am using Ubuntu 10.04 Lucid.

I am wondering if anyone knows why it would stop working properly, and/or how to fix it?

And since this is a off and on problem I might not be able to provide details immediately from time of crash, since I need my computer on the wireless.

One symptom that really stands out is that the cooling fan is spinning as fast as it possibly can and processor usage is spiking around 80/200 on a process called phy0.(relevancy unknown)

As I was typing this post on my other computer, my laptop crashed and I lost the lshw -C Network output I had. If asked to, I will post the one from when it is working. Also I will post any other info you need from when I can.

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Fedora Networking :: Network Connection Intermittent After DHCP Configuration - Stops Working Randomly

Jul 17, 2009

I'm having a bizarre problem where my network connection stops working randomly. At first I thought it was a DNS issue since Firefox simply chilled out on "Looking up [hostname]" until it timed out, but after further investigation (pinging IP's, "host" and "dig" being unable to reach servers) it became apparent that I couldn't even access the DNS servers i.e. the Wicked Connection of the East was most sincerely dead.

There are two strange things about this: one, there are no errors except "timeout". The network manager is happy, Firefox is happy until the lookup fails... Two, the failures only start *after* DHCP configuration. DHCP configuration never has any trouble sending or receiving packets. I'm going to try static IP and whatnot to see if that helps, more information later.

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Ubuntu :: Sound Just Randomly Stops Working?

May 26, 2010

It has to be an update or something that cause this. I've done nothing differently from the other days I use this laptop. I have to keep relogging every now and then because the sound stopped working. I can turn the volume up but pidginrhythmbox, nothing makes noise anymore. it's random...it just started happening today and this is the second time the music went out. anyone have any idea of how to stop this from happening in the future?

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Ubuntu :: Keyboard Randomly Stops Working Under 10.04?

Mar 3, 2011

I'm using Ubuntu 10.04 since several months and I randomly have problems with the keyboard (PS2). Maybe 2-4 times per week the keyboard stops working all in a sudden. The symptoms related to this can be- the keyboard simply does not react any more to key press- during typing the keyboard gets crazy and fills the lines with the last typed character- opened windows move to the left when touching them at the top bar, keyboard does not react any more. When clicking on a panel menu the focus line is running permanently quickly through all items, and it's practically impossible to click on any of those (so even shutdown is difficult to achieve, and I might need to use a hard reset).

In nearly all cases the problem only disappears after reboot, just very rarely a logout is sufficient to get the keyboard working again. I googled for similar problems and found quite some people having problems with keyboard (and/or mouse) not working correctly under Ubuntu, but I have not stumbled over a similar error description as I have.Just some config parameters on my box: amd64, XOrg uses an Nvidia driver, 3D and Compiz are activated

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Ubuntu Multimedia :: Pulseaudio Randomly Stops Working?

Nov 10, 2010

Routinely, while I'm working on my laptop, the sound will randomly stop working and I can only get it back by rebooting. I can't seem to find any sort of pattern to what gets it to stop working, but I do have the following programs almost always running: Evolution, Chrome, Transmission, and Pidgin. I usually notice it first when Pidgin stops beeping when I receive IMs.

In the messages log I see lots of messages like this when the audio stops working:

Nov 9 10:35:04 jbirdjavi-l-u pulseaudio[2031]: sink-input.c: Failed to create sink input: sink is suspended.
Nov 9 10:35:42 jbirdjavi-l-u pulseaudio[2031]: last message repeated 7 times
Nov 9 10:38:18 jbirdjavi-l-u pulseaudio[2031]: sink-input.c: Failed to create sink input: sink is suspended.
Nov 9 10:39:29 jbirdjavi-l-u pulseaudio[2031]: last message repeated 8 times
Nov 9 10:40:42 jbirdjavi-l-u pulseaudio[2031]: last message repeated 3 times
Nov 9 11:01:16 jbirdjavi-l-u pulseaudio[2031]: sink-input.c: Failed to create sink input: sink is suspended.


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Ubuntu Servers :: Vsftpd Stops Working Randomly?

Nov 29, 2010

On a whim vsftpd seems to stop working randomly and any attempted connection times out while waiting for the welcome message.It'll take a couple reboots and a couple "sudo service vsftpd restart" 's and it'll eventually start working again.AFIIK everything is at the most currant version. It just started doing this a few weeks ago.Here is my config file:

# Example config file /etc/vsftpd.conf


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Ubuntu :: Computer Randomly Goes To Weird Screen And Stops Working?

Dec 3, 2010

I am asking in the wrong place or anything like that, I tried to understand the Tutorials, but I am only human Oh and I am not a native speaker of English, So I also apologize for that...Okay enough apologizing, I will assume that you are all nice people and wouldn't have made fun of my stupidity anywayAs I said I am new to Linux and also to my PC. I bought it a couple of weeks ago and I tried to install Windows on it, but it was displayed in only 16 colors ( I assume this is not connected to my current problem but it might be...) and I couldn't fix that so I installed Ubuntu 10.4.something( It asked me if I wanted to upgrade to the newest version...) . Since then I have been really happy, I only had minor problem with the chat software but after I googled it I found a solution and I even used the console for the first time in my life.

The problem with the chat software is back now, but I don't care about that.My Computer randomly stops working and the screen goes all weird. It switches between a mix of white and black bars, something really colorful and a black screen with text ( I have the feeling it's different text every time) I am not sure what happens after that, because I always turn it off and restart it. It won't react to anything when it is in this weird mode. I don't think there are any special situations in which it happens and I can't reproduce it, it just happens when I don't want it to happen. A friend who uses Linux said it might be a temperature problem, he only knew what I just told you. I am not sure if there is a connection between the time the computer has been on and the time it shuts off...I really like Linux and I would love to use it without ith when I said that I got my PC new ( it was used though) I was trying to say that I don't know whether this is a Ubuntu problem or not

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Ubuntu :: 11.04 - Mouse Randomly Stops Working Inside Applications?

Jul 10, 2011

This happens randomly after a reboot: I can move the mouse cursor and it works perfectly only on the Unity sidebar or whatever it's called. I can fire up applications, but once they're up they completely ignore any clicks or mouse movements (the main menu does not appear on the top bar if I move the cursor in the location that usually makes it appear). They only recognise a click on the close/iconize/maximize buttons.

The mouse works: as I said I can move the cursor and it recognises clicks on the sidebar and the window control buttons; plus, it's connected via a KVM switch both to the Linux box and to a Windows box (from which I'm writing this) and in Windows perfectly.The pattern used to be this: usually while running Firefox, the mouse and keyboard stop responding, and sometimes the whole desktop graphics become corrupted. I can Alt+F1 and go to a text-mode console, but nothing short of a reboot "fixes" things. After the reboot, about two times out of five everything works, three times out of five I get the situation described above.

For the last few hours or so, however, no amount of rebooting and sacrificing goats to the gods protecting sociopaths and Linux software developers have been able to restore mouse functionality. I click on my username on the login windowhere it works perfectly), enter the password and then only the Unity sidebar works: again, the mouse cursor moves, only clicks (right and left) are ignored, as are hotspots. In ubuntu classic there is no place where I can click and launch applications, btw - once I get in I'm basically blocked and can't do anything

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Ubuntu :: Firefox Address-bar Autocomplete Stops Working After Some Time

Jan 6, 2010

Since I updated to Karmic, I noticed a very annoying problem that forces me to restart Firefox every 20 minutes or so: When the cursor is located inside the address bar (CRTL+L), I always type one or two characters, a drop down menu appears with most visited links that contain these characters, I press <down-arrow>, <Enter> and go to one of my usual links. I use this all the time, which allows me to go to me usual links in a second or two. The problem is that this feature stops working after browsing for some time: no drop-down menu appears and pressing the down-arrow does nothing.

The only other problem that happens in coincidence is that you have to click 2 or 3 times on the 'arrow-down' button on the right side of the address bar before you get a drop-down menu with the most visited links (this normally happens on the first click). The problem appears at random moments (typically after some 10 to 20 minutes of browsing, but sometimes earlier) and disappears when I restart FF. I tried clearing the history, but that does not change anything. Does anyone else see this problem and knows how to fix it?

My setup:
Toshiba notebook, 32 bit
up to date Karmic

FF 3.5.6, with some add-ons: adblock plus, bugmenot, all-in-one gestures, xmarks and some dictionaries, all working without any problems.

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Ubuntu :: Location Bar Stops Working After Opening External Link In Firefox 3.6

Feb 6, 2010

I installed firefox 3.6 from the firefox-stable ppa repository and I noticed that the location bar autocomplete stops working after opening an external link (e.g. clicking a link in evolution or empathy). The problem still occurs when starting firefox in safemode, so it doesn't appear to be related to a misbehaving extension. The problem is only fixed with a browser restart or when I open and then close 'show all history'.

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Ubuntu :: Firefox - Mouse Randomly Stops Clicking?

Jan 6, 2011

some windows fail to react to my mouse clicks (left and right). This has been starting to happen more and more often. However, one window usually stays working normally, while all others fail. Usually, it's the gnome-panel, but one time, this happened to Firefox. During this, I discovered that clicking a window above firefox, would go through the window, and Firefox would recieve it instead, as if the window wasn't there. Even stranger, firefox was not the active window, and all keyboard and mouse commands were received perfectly, however, the window titlebar wouldn't darken as usual. I can still move the mouse around, but when I keep it still for a minute, I see "View your Appointments and Tasks", pop-up, but it sticks to the screen afterward. A reboot fixes this problem, but only for a while. his also occurs when booting from the live Ubuntu 10.10 i386 Desktop Edition CD. I'm using a Logitech Mouse, but I don't believe this has to do with hardware, since this doesn't happen on Windows.

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Ubuntu Networking :: Wireless Stops Working After A While?

Jun 16, 2010

I'm having some problems with wireless, it works fine on boot but after a while pretty much randomly, it can be a few days or it can be a few hours, it stops working. I'm not sure which command would tell you what and it would take a little while to debug it because like I said it's random, but if anyone knows what to do please tell me! I'm on Lucid Lynx 10.04.Another something that's really bothering me (But not related to wireless) is that for some reason when I restart my computer, the top panel keeps changing the applets locations.

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Ubuntu Networking :: Samba Stops Working After A While?

Oct 22, 2010

I have created a Samba share, using the fantastic Webmin tool. I have a network media player which can connect to my router, and then access windows (samba) shares. Most of the time, it works fine - it's able to stream HDTV wirelessly across the network. However, every so often, it just stops working ... the media player sees :

Network, then
FILESERVER-1 (machine name), then
Media (share name), then
Video (subdir, then
TV_Shows (subdir), then
MyShow.AVI ... just hangs

if I use the Webmin tool, I see multiple samba connections all from the media player. Restarting samba seems to have no effect. The only way to fix it, is to reboot.

logfile I can check, or a setting I can tweak to fix this issue ?

When it get like this, trying to access the share from a windows machine, just gives me an error saying it can't find the machine. But when it's rebooted, it works fine.

I have mapped the "nobody" linux user to "guest" which is what the media player is defaulted to login with (it's primarily sold as a "Windows" media player), and using Webmin I have assigned the "nobody" user read-only rights to the samba share. It worked fine for 6 months, until I added this new drive.

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Ubuntu Networking :: USB Wireless Stops Working After Upgrade?

Feb 10, 2010

This should be easy for the Ubuntu Gods to sort out:

I have a Sabrent USB 802.11N adapter. (I am using 64-bit Ubuntu in all below)

I plug it into a 9.04 box and it works fine. Plug it into a 9.10 box. Network manager sees it and can attach to the network, but has 0% signal strength, no internet.

Rebuild the 9.04 box with a fresh install to 9.10. 0% signal, no internet. Try 10.04 Alpha 2, 0% signal strength, no internet.

Rebuild same box down to 9.04. Works perfectly. 100% signal strength. I do all updates and then the upgrade to 9.10 using the USB. Everything works fine until the reboot. Then, USB connects, but 0% signal strength, no internet. Oh! ifconfig says the wlan0 interface is up, but it has a random ip address.

I don't mind using 9.04 because for the forseeable future, the box is just going to count aliens for Seti, but my wife wants it off the counter and I would like to upgrade someday.

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Ubuntu Networking :: Iwlagn Connection Stops Working After About 1MB?

Jul 24, 2010

I have an Intel PRO/Wireless 5100 AGN [Shiloh] on my HP Pavilion dv7 running a fully updated Lucid (10.04).I can connect to the wifi on my smartphone and I have no problems at all.However, after a recent update I found myself unable to use my home wifi connection.Once connected, I can usually transfer about 1 MB of data and then nothing else will go through.# uname -aLinux lappy 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 08:03:28 UTC 2010 x86_64 GNU/LinuxSince the home wifi router, a Linksys Wireless-G SRX, is a bit more advanced than the wifi capabilities of the smartphone, I'm inclined to think there is some feature being used that is now broken in the iwlagn driver.I've tried to disable the "11n" support with this:

# modprobe -r iwlagn
# modprobe iwlagn 11n_disable=1

but the problem continues even after that ... is there something else I can try to disable?r some way of getting the details of these two connections to see exactly what the difference is?

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Ubuntu Networking :: Ethernet Stops Working On Restart?

Aug 13, 2010

I upgraded to the newest version of Ubuntu a few months ago, and ever since then, the ethernet connection to my router stops working when I restart the machine. It eventually comes back, but after varying amounts of time. Sometimes 20 minutes, sometimes 2 days.

Restarting the computer and cycled reboots of the router don't seem to have any beneficial effect, at least that I can detect.

The light for the slot on the router does not light up like it normally would, so it's almost like the OS doesn't even recognize the network card.

Ubuntu 10.4,64-bit. Dell XPS 410.

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Ubuntu Networking :: Wirelss Stops Working Periodically In 10.10?

Oct 15, 2010

New Toshiba laptop dual booting with Windows 7. I really like MM 10.10 and most things are working great! Periodically I will be web browsing and I lose connection. At first I thought it was Firefox but if I try to disconnect wireless and reconnect it will no longer connect unless I reboot. My network is hidden but Ubuntu finds it no problem on a fresh boot and connects per my settings and it is not a network problem since I can connect to Windows all day long and the rest of the family never has problems.

My wirless device is: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)n and all OS updates are applied that I can find. I am thinking about un-hidding my network since years ago that used to be a problem with Redhat and even early Ubuntu but beyond that I cannot think of what else to try.

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Ubuntu Networking :: Stops Working After Suspend/hibernate On 10.10?

Oct 22, 2010

networking stops working after suspend/hibernate on Ubuntu 10.10 and it used to happen on 10.04 though i did not bother to resolve the issue then

output of sudo lshw -C network

*-network DISABLED
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:08:00.0

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Ubuntu Networking :: Default Route Stops Working?

Mar 22, 2011

I'm currently working with Ubuntu 10.10.I wanted to add a default route to a gateway named ppp0.I did it with the command> route add default ppp0It works ok. But then from time to time it suddenly stops and I have to go back again to the server and retype the command. I'm clueless as to why is it happening. I can assure no one is working at the server or doing anything over there.Does anyone know causes that might be triggering route default to stop working?Btw where is the best place to add this command so it will be executed automatically on start-up and without needing to login to the server?

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Ubuntu Networking :: WiFi Freezes And Stops Working?

Apr 15, 2011

i am getting some troubles with WiFi. I got a Lenovo G550 with a BCM4312, at first i found some troubles making it work but i managed to find a proper driver and it is working "fine" Every 5 minutes or so my WiFi freezes and internet stops working. I don't get disconnected from the network, but until i don't reconnect to it, internet will not work.

Rare thing is, i realised that this happens ONLY when my notebook is plugged in. When it's working on battery, this does not happen. If i use it on battery it works for 30-40 mins (or more) and 3 minutes after i plug it in, it just stops working. I'm using Ubuntu 10.10, if there is any information i could give, just tell me. I also have a Windows partition and this does not happen there, either plugged in or on battery.

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Ubuntu Networking :: TEW 649UB Stops Working After An Hour

May 25, 2011

I have a Trendnet TEW-649UB Wifi N dongle, and I'm using the latest Realtek firmware downloaded from their website. It works ok, but everytime, after an hour or two, the blue light turns off and the dongle stops working. I have to unplug it and plug it back to bet my network back up.

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Ubuntu Networking :: Wireless Not Working - Stops Than Says Disconnected

May 26, 2011

My Ubuntu when i start it up, go to the wireless networks , try to connect to my network it trys to connect stops than says disconnected. My internet card is a Cisco Aironet wireless (idk the model number)

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Ubuntu Networking :: Wireless Network Stops Working After A While?

Sep 1, 2011

I have a wireless network using this driver:

Bus 001 Device 002: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter

and everything works fine for some time. After a few hours or maybe less (if I push bandwidth to the limit) the Internet freezes. I can't even ping my router. If I disconnect and reconnect either the device or the connection via network manager , it does work for a minute only and then freezes again. If I restart Ubuntu entirely, it works again. But for a while...

It works 100% in Win7 and I have no problem at all there. But I am very annoyed that I cant have reliability in Ubuntu. I want Ubuntu as default.

It has something to do with drivers or an inner variable or buffer or something.

At least, is there any way to reset my network connection without rebooting the OS?

I tried sudo /etc/init.d/networking restart but it gives me: Ignoring unknown interface wlan0=wlan0.

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Fedora Networking :: Wi-fi Stops Working In Mid-section?

Jun 27, 2011

I have just installed Fedora 15 xfce on my desktop. When I 1st start my computer my RaLink RT2870 works but after a while it disconnects and won't start again till I restart.

I can't see any pattern I am doing to make it stop. I been doing various tasks when it stopped working. I don't what command prompt or configuration file to look for or what to configure in the file.

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Ubuntu Networking :: Internet Stops Working When Torrent App Is Active

Apr 18, 2010

This holds true in Transmission and NOT in Vuze. UPnP is enabled, ports are randomized and open each time. Pings to outside still work fine, but I cannot browse to websites (404 errors) when the app is running. I'm stumped, is Transmission locking all other in bound traffic/ports except the one it wants to use?

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Ubuntu Networking :: Atheros AR5006EG Wifi Stops Working After A While?

Jul 28, 2010

Previously my wifi has worked just fine in 10.04, but as of recently I keep losing my connection after leaving my laptop on for a while (and this happens sooner and sooner each time, used to be daily, now it's every few hours), I can no longer see any networks at all, and I have to reboot to get it working again. I haven't even installed or removed any packages lately, so I'm not such what might've caused this to break all of a sudden.

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Ubuntu Networking :: 10.04.1 Desktop - Bridge Stops Eth0 Working

Oct 13, 2010

I am trying to get a network bridge configured but every time I make the changes and restart networking (or reboot) eth0 appears to come up OK but I can no longer talk to the outside world via it. With no bridge defined, I can talk to the web using either wireless or wired; wicd is configured to switch to a wired connection when available (got rid of Network Manager. It didn't recognise eth0(!)).

I want to use the bridge so virtual machines (LXC containers) can talk to the web when the machine is wired to the wireless router. Eth0 gets its IP address ( via DHCP from the router and I want to bridge to another subnet, 192.168.154.n say, and the containers will have fixed IP addresses, 102, 103 etc.


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