Ubuntu Networking :: Wireless Networking Quit After Reboot?
Feb 27, 2010
I've had my wireless networking (on an Acer Aspire laptop) working perfectly well for at least six months.Now, quite suddenly, after a reboot I get the message from wicd, "No wireless networks found". I probably was running a week or so before that without needing a reboot. Windows wireless is fine (I'm using it to send this post).In addition, my sound stopped working and I see a fleeting message to the effect that the sound system is reverting from analog to digital.I'm running Kubuntu 9.10. My guess is that something in a recent round of updates knocked me out of the box. How can I proceed to set things aright?
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Sep 27, 2010
Courtesy of Peacedog I managed to get my usb wireless-n adapter to work in Ubuntu 10.04. Unfortunately, Windows managed to hose the hard drive while I was configuring it so I had reformat and reinstall both WinXP and U10. The USB wireless-n works perfectly under WinXP but nothing happen under U10. The icon in the Panel shows spinning arrows indicating there's a connection but I can't actually get out. Here are the outputs requested from the previous go around.
root@Homebrew:/home/red# lsmod
Module Size Used by
binfmt_misc 6587 1
fbcon 35102 71
[Code]......
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Feb 17, 2010
I just did a fresh install of 9.10 about 4 or 5 days ago on my HP dv7 computer. I have a Broadcom 4322 wireless card. I had some initial trouble getting my wireless to work, but I was able to find and install the Broadcom STA wireless driver necessary for the wireless card to work, and since then it was rough skating, but at least it was skating, until about half an hour ago.
Everything was working fine until my battery died unexpectedly and the computer shut down. When I restarted it I was not able to reconnect to wireless, and although I have the Broadcom driver installed, it says "This driver activated but not currently in use." I have a touch panel to turn on my wireless which is supposed to turn blue when I touch it to signal that the wireless is on, but no matter how hard I try, the touch panel wireless button stays orange. It does not seem to be able to recognize that my wireless card exists.
[Code]....
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May 28, 2010
I've been searching forums like for 2 days, but couldn't find any similar problem.
First of all im running Ubuntu 10.04 desktop version on my netbook Acer aspire one (AOD150)
Every time i turn off my netbook and after turn it on, in "Hardware drivers" it says that driver for wifi is not in use, also button for switching on/off wifi is not working.
So everytime i start up i have to go into "Hardware drivers", remove driver for wifi, and then activate it again. And everything is working gr8 after. Its just too annoying to do it everytime.
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Oct 1, 2010
i installed linux on this laptop around 2 years ago (hp g6000 laptop) with internal wireless card and was unable to get the internal wireless card to work under ubuntu. so i purchased a linux supported usb wifi stick, which worked perfectly (connected automatically on boot) each time. however, i moved house recently and lost this usb wifi stick. i am currently using a ethernet connection to my hub and have updated ubuntu to the current version. all software is also up to date. since i lost my old wifi stick, i have used this connection, however, yesterday when i was on videos, all of a sudden (without me having done anything {intentionally anyway}) i see the wireless connection graphic at the top right of the screen! both green dots lit and the connection was live! so i disconnected the ethernet and used the wifi all night without a hitch.
i was extremely happy with what had happened and could not work out why it had decided to work (having not been aware to doing anything, except sit and watch a videos video). so i shut down, go to bed, go to work the next day and come home looking forward to browsing the web from my sofa, and guess what, no internet connection once i logged in! i just think 'if it worked last night, it can work now'. i have ndiswrapper and i have the .inf driver file for the internal card installed in ndiswrapper. i have opened that tonight and it looks okay - except it says 'hardware present: no'. i do not understand what has happened at all. (also there is a wifi 'on off' switch on the front of the laptop, with an orange led but neither position makes any difference to the card working or not and it hasnt changed positions since i moved house (to the best of my knowledge anyway).
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Dec 30, 2010
I recently installed Ubuntu 10.04.1 LTS and have it set to dual-boot with windows 7 on my gateway tablet PC. Since installing, sometimes when I suspend or reboot, my wireless does not work. To be more clear - it is working fine, then I either suspend/reboot, then I come back and no wireless networks show up at all. I can still connect with ethernet cable though. I can solve it by rebooting multiple times (usually around 1-5 times) and then it (magically) seems to work again. I have also tried switching from network-manager to wicd, but the problem persists. With both network-manager and wicd, I've tried simulating a reboot for the wireless by using the command 'sudo modprobe -r iwl3945 && sudo modprobe iwl3945' (network-manager) and 'sudo /etc/init.d/wicd restart' (wicd), but these do not seem to work.
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Jul 3, 2010
I'm having a problem with my wireless connection. When it runs, it's perfect, but every once in a while (and increasingly more often) it randomly disconnects and doesn't reconnect when I click reconnect, even if I manually disconnect it. Every time this happens, I have to reboot the system, after which it works perfectly. Then it dies again.
I've checked around the forums, there are some similar threads but they seem to be specific to the wireless card. The reboot method works, but I'd really like to find a way to solve the problem without having to resolve to the Vulcan nerve pinch. I'm a real newbie to Linux and the more complex side of computers in general, and I hardly know what is what, so please excuse me if I seem a bit thick.
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Jul 20, 2010
do not post such long blocks of messages directly on the forums. Attach the output as .txt or use a pasetebin.
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Feb 11, 2011
I was having an issue with my wireless connection last week, and sometimes even my hardwired connection. It had seemed like every time my PC went into standby, or any low-power mode, the WiFi would stop working. I used the "power off" command and got it back and running. When I boot up the computer in the morning, I am unable to connect until I reset the wireless router. Unfortunately, I did not have the presence of mind to get iwconfig first thing in the morning, but I did reboot the laptop and grabbed iwconfig before I connected and after I connected. Now, for some reason, the router worked when I rebooted, but I had to reset it this morning. Any ideas? iwconfig below:
****Before Connect****
jake@jake-laptop:~$ sudo iwconfig eth1
[sudo] password for jake:
[code]....
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Nov 1, 2010
I had been manually starting my wireless network with "sudo iwconfig wlan0 essid "my wireless router id". The network would start and work flawlessly for weeks at a time. I can't ask my wife to find the essid in the terminal and then start wireless manually when I'm not here. She hates and fears the terminal. So I downloaded gnome network manager for a point and click interface on gnome panel.The network would start fine but shut down after anywhere from one to six hours. It would then refuse to restart manually or otherwise. I completely uninstalled network manager and tried wicd instead. The same basic problem is happening. The network will restart if I reboot the computer. My system:
Desktop computer acting as proxy server for the internet. Internet connection is by a dial up modem. This computer uses a wireless pci card connected to a dedicated hub. This is for file sharing via nfs. The OS is ubuntu 9.10. My wife's computer sharing the internet using a proxy to my computer. File sharing via nfs and a wireless card. Also running ubuntu 9.10. This same basic system worked flawlessly under Ubuntu Hardy.My desktop was updated recently with new hardware which created the need to move to Ubuntu Karmic. Some hardware was too new for hardy to deal with.
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Jun 18, 2010
School with linux running on students' laptops, connecting via wlan to a Debian NFS and LDAP server. Every student logs on his/her profile residing on the NFS server.The clients are set up with autofs. Earlier, I had set up the wireless network in /etc/network/interfaces, but this time I decided to configure network manager so as to bring up both wireless and wired network before logon. This setup has been working on for the last fire or five years with only minor changes. Also worked with Karmic Koala, but still with the interfaces file instead of networkmanager. The Vostro is also new here, we've previously used mostly Dell Latitude D505s.
So here is what works:
1: Clients can log on to LDAP and NFS servers both wired and wirelessly. Everything is smooth.
2: While on LAN, shutdown and restart works flawlessly (and quick as a breeze, I'm really impressed by startup/restart/shutdown times, under 25 secs!).
3: Shutdown and restart also works wirelessly when doing it either from a local account or from the GDM chooser.
What doesn't work, however, is shutting down or restarting directly from a networked account connected while only being connected over the wireless network. This is what's being displayed on the terminal after it has tried tho shut down for a while:
Code:
The system is going down for halt NOW!
acpid: exiting
init: cron main process (1011) killed by TERM signal.
init: tty1 main process (1365) killed by TERM signal.
[code]...
If I try ctrl-alt-del at this stage, it says:
"init: rc main process (3030) killed by TERM signal"
"Checking for running unattended-upgrades: "
And then it will hang again, until I hold the powerbutton for some seconds. The unattended-upgrades part is what seems to be the culprit. I suspect it is about the wireless network not being connected any longer or something like that, but I'm not sure about how to go about debugging shutdown scripts here. I'd be grateful for pointers. I will try and see how it goes with the old interfaces file setup, but I'd rather make nm work.
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Jul 17, 2011
I just upgraded to 10.04, as of this upgrade, samba has quit working.
From Windows I can ping the linux box (192.168.1.110) If from Windows I key in ->Start->Run->\192.168.1.110 I connect to my linux box.
If I try to access the linux box through the name, (\tardis) I get network path not found.
Everything worked fine before the upgrade, now I cannot see my linux box via its network name. I have a WD TV Live on my network and I must be able to see the linux box via its network name or I cannot connect to it.
iptables shows no rules
smbtree returns
SONCOM
\WINDOZE
\WDTVLIVE WDTV LIVE
Server requested LANMAN password (share-level security) but 'client lanman auth' is disabled
failed tcon_X with NT_STATUS_ACCESS_DENIED
[Code]....
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Jun 21, 2009
For what it is worth 2 hard drives have Kubuntu 8.04 and the 3rd has Mandriva Spring 2008. Tuesday was the last time I had used Pidgin and everything was fine. Wednesday when I booted the computer I noticed that the Pidgin icon in the sys tray looks broken. I click on it and it shows "Pidgin is available" "connecting" and that's it. The buddy list is empty. Went to my other Kubuntu hard drive, same thing, went to my Mandriva hard drive same thing. Installed Kopete on this hard drive and it shows no one available.
I did a search here before posting and found nothing.
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Sep 12, 2010
I installed Ubuntu 10.04 for the first time and had a few issues to put my laptop's wireless device to work (see thread [URL]I am now able to use the wireless connectivity but I still have a problem. Every time I reboot Ubuntu, the system does not seem to recognize that a wireless device is present. To overcome this problem I remove the driver and once this is done I activate the driver.The system then finds the wireless device, enables it and connects to the default wireless connection.
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Oct 10, 2010
I installed 10.10 on my 2nd laptop with the SAME internal wireless card as my other laptop, but Ubuntu all of a sudden acts like I have no wireless card? When I click on the network icon in the panel, Wireless Connections is enabled, but Ubuntu shows no available wireless networks? I can switch to my other laptop and it works fine.
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Mar 28, 2010
A friend who switched ISP's gave me his old Linksys WRT54-G wireless router. I went through the installation procedure and had a wireless connection up and running - smiley face. I had security set up for WPA, and decided to upgrade it to WPA2. Another smiley face. When I went to connect (had already done so successfully), I noticed it referred to my wireless as Linksys - I was expecting to see the SSID. So I started playing around in Network Manager and now I have things all effed up.
Don't know exactly what I did, but now I have no wireless. So I ran a few commands (lshw -C network, iwconfig, ifconfig, and iwlist scan), and looking at the results I see what appear to be inconsistencies in the output. I've posted them below, and make the following observations:
1. Under the lshw it refers to my wireless connection logical name as wmaster0, and has the correct MAC address, etc.
2. Under the iwconfig it says, 'wmaster0 no wireless extensions', but then refers to wlan0 as the wireless connection (although it does not seem to be running).
3. Under ifconfig I see both a wlan0 and a wlan0:avahi. The wlan0 has no IP, the wlan0:avahi does, but it is incorrect.
[Code]...
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Aug 3, 2010
Ok, so I am needing some drivers and I've been googling like hell to find em, however, I can never seem to find any. My adapter model is F6D6050v1.
PS: when I try sudo ndisgtk it comes up with command not found.
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Nov 7, 2010
I'm using a Packard Bell Easynote Tn36 laptop, and I'm having trouble with Ubuntu 10.10 and the wireless network card, (probably because of lack of driver). I.e. it is disabled.
How can I enable it?
I input this code:
And here is the output:
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Apr 30, 2011
I just upgraded to natty last night, and everything is working fine except for the network manager. I can enable and configure the wireless card via bash, but the network manager widget will not manage the wireless card.
When I first boot up, the "Enable wireless" check box is greyed out. After I enable the card via the terminal, the "Enable wireless" check box becomes ungreyed, but every time I click it, it instantly unchecks itself. I feel like Currly from the Three Stoogies. Check, uncheck, Check, uncheck.. "Slaps face repeatedly."
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May 1, 2011
I have Packard Bell easynote tn36 and I used to use ubuntu 10.10 and then when I upgrad it to ubuntu 11.04 the wireless doesn't work (disable) and I can't press the botton of Enable wireless.
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Feb 17, 2010
Virtualbox, is great, except that I have no wireless networking or USB support. Problem one, is USB support. As far as I know there is a personal free use version of Virtualbox that includes USB support, however I can't find this copy to download it. Any ideas where I can find it? Second problem, I have an integrated wireless networking card in my laptop, that Ubuntu recognizes with no problems, but Virtualbox can't even "see" the device. I found a tutorial that addresses this know issues with wireless and Virtualbox, but I don't understand the instructions
[URL]
Quote:
Wireless Networking Setting up a normal bridged network generally doesn't work if you're bridging from a wireless card to VirtualBox. A simple script that utilises the parprouted tool will allow your VM full access to the wireless network. You will require parprouted to do this: sudo apt-get install parproutedNext, using your favorite text editor, create and edit the script, for example:
sudo nano /etc/network/if-up.d/vbox_networkThen, enter the script (replacing $USER with your username (or whoever you intend to run virtualbox as)). Replace wlan0 with the name of your wireless interface. Use an available IP address on your network for tap0 (I have used 192.168.1.100 in this case):
sysctl net.ipv4.ip_forward=1
VBoxTunctl -b -u $USER
ip link set tap0 up
ip addr add 192.168.1.100/24 dev tap0
parprouted wlan0 tap0Finally, make sure the new file is executable by root: sudo chmod 700 /etc/network/if-up.d/vbox_networkNow your networking script is installed, the virtual interface tap0 will be available on boot for VirtualBox. Rather than reboot, let's just run the script now:
sudo /etc/network/if-up.d/vbox_networkThe final thing to do is tell VirtualBox to use the new virtual device tap0. Open VirtualBox, highlight a VM and click settings. Now choose the network option and select Host Interface on the 'attached to' drop down menu.
In the Interface Name text box, enter: tap0 Click ok and start your VM. The VM should now behave as though it was another physical machine on your network!! For more information on the process up to this point, please visit Bridged Networking with VirtualBox on Linux Hosts Using DHCP in the Guest VM It was possible to get DHCP to work on the guest virtual machine. Instructions were taken from here. Because parprouted does not relay multicast, we need to use an additional helper daemon to manage this. I tried dhcp-helper and bcrelay, and had the most success with bcrelay.
Use it as follows:
sudo apt-get install bcrelay
sudo bcrelay -i tap0 -o wlan0At this point, my /etc/network/if-up.d/vbox_network is as follows:
#!/bin/sh
sysctl net.ipv4.ip_forward=1
[code]....
bcrelay -i tap0 -o wlan0 &It seems that I have to start the script by hand after boot. Other than that, host networking now seems to work fine (this issue should be solved by adding the "#!/bin/sh" line just at the beginning of the script.
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Feb 21, 2010
My mother has Windows Vista and i have linux ubuntu. She has a special verizon card that she inserts into her laptop for internet. My computer also has an internal wireless card, but the signal here is very poor. Supposedly, among windows computers, I would be able to get a flashdrive, and with a little program uploaded from my moms computer, set things up using the flashdrive on my computer to share the internet that she pays good money for =/ However, it wont work with ubuntu, which isnt in the windows inner circle. When I open the executable file with WINE it says that it cant run wireless network setup "on this version of windows". lawl. I was wondering, is there any way around that? Is there anyway to network with my mothers internet?
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Mar 30, 2010
My laptop is an Amilo a1650 on which I've very recently installed Ubuntu 9.10. It's worked out fine so far, except that I can't get the wireless card to work. It's an internal Broadcom BCM4318. Where do I start with configuring it?
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Apr 6, 2010
I have a desktop with a printer attached on a wireless link.I have a laptop where I want to print from. The problem is the wireless link comes up only after I log on to the desktop.I would prefer the wireless link (and cups) to be up with out having to log on at the desktop.
How would the run level be changed?
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Nov 3, 2010
I have a compaq c784tu and it was shitty with xp. Vista is quite crap, so i turned over to ubuntu 10.4. The configuration of the laptop is: 1.73 GHz Intel Pentium Dual Core Processor T2370 with 1-MB L2 Cache, 533 MHz FSB featuring Intel Mobile 945GML Express Chipset Motherboard, 2-GB PC2-5300 DDR2 667 MHz SDRAM (Maximum 4-GB in 2 slots), a 160-GB SATA 5400 rpm Hard Disk Drive and 8x Super Multi Double Layer (8.5 GB) Slot-in DVD Writer.Everything worked like a charm and I was able to connect to the internet through a public wifi network. However, I came home this week to my mothers house, where they have a dsl-router to connect to the internet whih uses bridge mode pppoe. I tried to connect to the internet through it, and it initially couldnt. However, I got around that by doing a clean install of ubuntu. I was able to then connect to the internet using "sudo pppoeconf" and "sudo pon dsl-provider"One night the network manager app on the top left disappeared and would not come on. I figured I had fried my wifi adapter, however, lspci -v confirmed its presence.Further, "system>admn>system testing" detected the adapter aswell. I tried the iwconfig command in the terminal the result was:
lo no wireless extensions
eth0 no wireless extensions
wlan0 IEEE 802.11bg ESSIDff/any
[code].....
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Jan 29, 2011
My wireless can connect to my router without a problem, but in order to do so (after boot) I must first disable networking in the Notification Area and then re-enable it. I don't mind it too much, but when other people use my computer, it's made painfully obvious to me, that this was never an issue with Windows 7 (as much as I despise MS).
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May 9, 2011
I need straight forward directions on how to do this. I installed samba on ubuntu and I shared a number of ubuntu files. No luck.Xp can't see ubuntu and the reverse is also true. My searches just end up off on some tangents. Example, researching samba - I get the entire manual on samba - can't find the specifics I need within that document.
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Dec 17, 2010
I have a problem w/ the LAN connection: the MAC address appears to be different after every reboot. I checked it w/ the ifconf command and looked for the eth0 hardware address. I am using Ubuntu 10.10 on ASUS K51AE laptop. The Fax/Modem/LAN/WLAN interface is integrated 802.11 b/g/n (I only have problem with the LAN connection).
Currently I cannot use my modem internet connection, it is really annoying. I would like to keep on using Ubuntu, but if I cannot find a solution I will have to return to windows...
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May 15, 2011
I until yesterday when trying to configure the wireless (broadcom) on my laptop could browse the internet and install packages normally. but now none of the connections are working
[Code]....
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Jun 20, 2009
I've been experiencing a problem with Fedora in which when I enable Wireless in Fedora, Wireless networking does not work in windows. HOwever, when disabled, it works correctly. Windows claims it is "not able to find any networks to connect to"
EDIT: It seems that when wireless is disabled manually on fedora before shutdown, there are no problems in windows.
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