Ubuntu Networking :: Wireless Networking Refuses To Be Enabled?
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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Jun 15, 2010
I was dual booting with XP and Jackalope using a Belkin N wireless USB. The install on Jackalope was simple, a plug and play type situation, plugged it in and it worked. A few days ago though, i wiped the whole computer and installed Lynx. To my dismay, even though Lynx sees the wireless, sees the available signals, lets me input my password... it fails to connect. It just spins and spins and eventually asks for my password again...
I'm still pretty new to Ubuntu, and Linux in general. I updated, and pretty sure i retrieved 3rd party drivers for the video card properly (using a cable connection), but thats pretty close to where my "expertise" ends.
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Feb 22, 2011
About two days ago was when I was last able to connect wirelessly. I cannot recall a change I made to the system that would have caused this problem. Items to consider:
1. Under Network Manager, I am unable to click "Wireless Networks"
2. I ran the following code under in the terminal (sudo apt-get update; sudo apt-get install hwinfo grep; sudo lshw -C network; rfkill list; sudo iwlist scanning; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nn; lsusb; sudo lshw -short; uname -a; dmesg | egrep 'acx|at76|ath|b43|bcm|CX|eth|ipw|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|ound|p54|prism|rtl|rt2|rt3|rt6|rt7|usb|witch|wl'; iwconfig; cat /etc/modprobe.d/* | egrep 'acx|at76|ath|b43|bcm|CX|eth|ipw|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|p54|prism|rtl|rt2|rt3|rt6|rt7|witch|wl'; sudo hwinfo --netcard ; cat /var/lib/NetworkManager/NetworkManager.state; sudo lsmod) and proceeded to run enter BIOS where I enabled the Network Driver.
3. I am still unable to get the "Wireless Networks" to even be selectable under the Network Manager
4. When I return to BIOS, the computer shuts down immediately.
5. The start-up menu won't allow me access.
6. I have an HP G60-445DX notebook and an MCP77 Ethernet..
[Code]....
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Apr 8, 2010
I installed 9.04 clean yesterday to try and once again move from Windows to Linux and I thought I would give it a real try this time to learn the new OS. Well, right off the bat my wireless connection does not work. By default my WPA/WPK security was set on my router. My wireless adapter does connect to the router but there is no internet access. If I remove the WPA/WPK security and leave it open I can connect and I do have internet access but as soon as I re-enable WPA/WPK security I lose internet access. I even tried WEP security and same result. What the heck is going on with this? I am not going to leave my router unsecured but that seems to be the only way this works. I also upgraded this morning to 9.10 and same problem so this is not limited to 9.04.
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Feb 2, 2010
1 ) Machine Brand and Model (PC/Laptop):
Quote:
Dell XPS 1330.
2 ) Wireless Brand, Model and Wireless Chipset:
Quote:
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
Bus 002 Device 004: ID 05a9:7670 OmniVision Technologies, Inc. OV7670 Webcam
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[Code]....
At this point, I have installed the STA driver for the device, though I have also tried with B43 (fwcutter). I have also tried with ndiswrapper with windows driver. All these cases, the end effect is the same.
I can see "Wi-fi" LED light up. When I bring up the KDE control module for networks, "Wireless" is disabled. However, when I right-click on the network manager icon on the taskbar, I see "Enable Wireless" checked on.
I am wondering if in the process of installing the ndiswrapprer drivers, I am messed up something?
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Aug 23, 2010
I just want to enable my wireless network card... how do I do that? It worked perfectly in Jaunty and it also worked when Jaunty was upgraded to Karmic, but in a fresh install of Karmic it is displayed as DISABLED:
sudo lshw | grep network:
*-network:0 DISABLED
I know this is not a bug in any kernel or anything. I now have Karmic on two identical laptops (Fujitsu Siemens AMILO, rt2500pci chipset) with the same kernel (2.6.31-22-generic). Wireless is enabled on one, disabled on the other. This is wearing me out... I am on the verge of buying Windows 7...
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Jun 8, 2010
I'm running a Source Dedicated Server on my Ubuntu laptop, and to connect to it via external IP from other computers in the network I need to enable loopback in my router.This was working fine, but then I disconnected my laptop for a few days, and when I came back the wireless stopped working on my Xbox. I reset the router to factory defaults, and then setup everything again. It was all working fine until I enabled loopback again and power cycled my router. Now every time I do that, the internet on Ubuntu stops working and the wireless on the Xbox stops working.
Edit: You can ignore this I guess. It seems I was actually DISABLING loopback by enabling that router option, which I guess caused this. Strange, because the first time enabling this option was the only way to get my external ip to work. Oh well, everything is fine now.
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Dec 26, 2010
currently running karmic on an old gateway laptop with kernel 2.6.31-22-generic and, as is par for how I handle challenges, I've jumped in with both feet - which is to say this is not a dual-boot situation. I've spent some time reading the forums (and other sources of information) and am grateful for all the knowledgeable people who are willing to share what they know.
My operating system seems to be functioning properly.I can get online via ethernet, but not via wireless. I have a lucent orinoco gold PC24E-H-FC (PCMCIA) card, which the computer isn't seeing. I am trying to follow the instructions here: [URL] to install the driver. Everything is going well until I get to the sudo make line. At that point I get the following display:
make -C /usr/src/linux-headers-2.6.31-22-generic M=/usr/src/orinoco-0.15rc4 KERNELRELEASE= modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.31-22-generic'
/usr/src/orinoco-0.15rc4/Kbuild:8: *** Wireless extensions are not enabled. Stop.
[code]....
how I can fix it so I can continue on with the instructions. (For the record - if I just continue on, I can change directory in the next line, but I cannot remove either hermes or orinoco as "no such file or directory" seems to exist.)
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Apr 21, 2011
This affects any version of Linux I have managed to put my hands on, 32 bit as well as 64 bit, except XenServer 5.6. This does not affect Windows 7 x64, GRUB bootloaders and FreeDOS/MSDOS based boot CDs. Also, Linux boots fine with the BIOS IOMMU feature disabled.What happens is that the 64-bit Linux install, bootCD, installCD, liveCD or USB hangs almost immediately after GRUB with naught but a blinking cursor at the upper left corner. Some liveCDs manage to show some kind of boot splash before it hangs. USB peripherals such as the mouse and the USB stick gets severed at the moment of the hang. The num-lock led is on but the keyboard is irresponsive to *-lock toggles.
In the 32-bit version it takes a little longer before the hang and the USB peripherals stay on at the event of the hang, but the keyboard is irrespnsive in the same manner. It also spits out error messages.
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Apr 25, 2010
I replaced a broken WinXP install with Ubuntu 9.10 x32 on my kids PC and the install and OS itself seems to be fine. When connecting the Netgear WG111v2 USB dongle so that they can get internet access things aren't so good. Firstly the startup and shutdown of the machine get big pauses (around 2 minutes at a time) and there are also big pauses and a general slowdown of the machine while in use that doesn't happen with the dongle disconnected. I wouldn't mind that so much but I can't get the damn thing to connect under ubuntu to our home network. I left an old Win2k partition intact on the machine and I'm glad I did as it means that I've been able to install the drivers to make sure that it all works under Windows, which it does.
It probably makes little difference but the light on the dongle is off for the majority of the time and only lights up briefly on seemingly random occasions. Also, I have no entries for Network Manager in my menus, and the system tray applet doesn't give me the options and tabs that are mentioned in some peoples posts in this forum (ie I can't change the computer name for example), sometimes the system tray applet disappears altogether.
With the dongle attached typing lsusb into the terminal sometimes shows just the USB hubs and sometimes also shows an entry with the WG111 included (and sometimes with big pauses). nm-tool sometimes shows just the motherboard NIC (disconnected), sometimes the WG111 too (also disconnected) and sometimes it just throws up several error messages with pauses between each one. dmesg showed an entry for the dongle on the occasion that I tried it.
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Jan 25, 2011
I recently removed Windows from a family member's laptop (Gateway NV52) and installed Ubuntu on it. I started out with Ubuntu 10.04 since it was an LTS. She's been very happy with it until a few days ago when it started acting up and refused to load almost any site she frequently visited. I decided to back up her data and do a fresh install of Ubuntu 10.10 (64bit) which is what I use. It installed fine, wireless works seamlessly as well.
However, Facebook refuses to load on any web browser (chrome, firefox, minefield, midori, etc.). It's only Facebook as well. The login page will appear but it will absolutely not login. I've tried it with several different accounts and it just flat out refuses.y other site loads fine and fast, and logs in fine, but facebook just doesn't seem to load.I really do not want to have to move her back to windows 7 as she's prone to viruses and Ubuntu is just flat out awesome at virtually everything, but for her, social networking is her primary way of connecting to friends and it's critical for her to have access to that site. It's really her make or break feature, and if Ubuntu can't do it then she doesn't want anything to do with it.
I've looked everywhere for a solution to this. I've tried changing DNS servers, disabling and re-enabling the wifi, clearing the cache and cookies, even down to resetting the router we use, all to no avail. The site loads fine on every other PC regardless of the OS, and I've run out of places to look.My experience with the Ubuntu community has been top notch so far, and I'm not shy of any terminal work that may be needed, nor am I shy of fiddling with anything.
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May 30, 2011
I have linux mint 10 and a bt homwhub 2.0. The wifi dongle that I use is a BT Voyager 1055. Before a week ago I could connect to my bt homehub via linux mint and the bt voyager easily and quickly. But now, however, it seems that Linux Mint refuses to connect to the BT Homehub, the BT Voyager dongle seems to be working because it's green light is on. The Bt homehub is fine because our other windows pc's connect fine (I'm on my windows XP laptop now) but linux will not. On linux it recognises that the dongle is plugged it and picks up various WIFI connections including my BT Homehub, but when I try to connect it to the internet via The homehub, it will not, it try to connect for a minute or so and then a little message comes up saying 'wirless network disconected' any one now what to do ?
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Dec 14, 2010
I've beeb setting up keepalived/haproxy as a load balancer for our site.
If you keep it down to two load balancing instances it works just fine. However, I was told to add a 3rd load balancer to the mix and that adds a new wrinkle. I need to add a new keepalived instance and I can't quite figure out how that's done.
It would seem to me to be an issue of the priorities as that is the only thing I altered in the files. Initially, nodes A and B were set to 101 and 100 respectively. I set node A to 102, node B to 101 and node C to 100... keepalived restarts and the virtual IP is pingable. But the website goes down!
SO then I tried Node A set to 101, node B to 100 and node C to 99. Same thing, I restated keepalived and the site goes down, tho the virtual IP remains pinagble and keepalived and haproxy are running.
here is a sample config file from my setup:
Code:
vrrp_instance VI_1 {
state MASTER
interface eth0
virtual_router_id 51
[Code].....
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Apr 2, 2009
I'm trying to setup a ssh connection from to my house that way I can learn Linux on a box that won't make my boss the sys admin (Im help desk) grind his teeth. He say that ssh port is allowing connections out of the firewall but not in so I can connect to my house. However If I try to connect to my box I get a message stating that the connection has time out. I have port forwarded the 22 to my box and have even changed the port to see if it is my isp blocking me. I am able to connect via SSH internally but when I try outside my house I am running into trouble. I looked up how to disable my fire wall and as far as I know it is.
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Jan 20, 2010
I routinely use somewhat spotty wireless hotspots, and Network Manager is driving me insane. Whenever there's a momentary drop, NM will prompt me for my password. I enter it, and it connects perfectly. And then 5 minutes later, it'll prompt me again. How do you instruct NM to remember a password, and stop prompting?
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Jun 28, 2010
On a fedora 10 server i have installed a samba server.When i log in from Mac OS X as user 'jody' with my password for the server,i get access to the directories on the server.But when user 'ani' logs in with her password for the server,the connection is refused.Both users can log in directly at the server.For user 'jody' the entries in the samba log are:
Code:
[2010/06/28 17:07:25, 0] lib/util_sock.c:matchname(1749)
matchname: host name/address mismatch: ::ffff:xxx.yyy.zzz.115 != tester.uzh.ch
[code]....
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Oct 29, 2010
I have a set up with a computer that has two network cards and is connected to two networks. Both networks connect to the internet via separate routers that have DHCP enabled. I can set one of the routers up to do port forwarding to the computer without any complications but if I want to do the same on the other router the port forwarding from it doesn't work and I can't reach the system.
I know for a fact that the services are accessible from both networks and both routers can forward ports to other computers in their network. The networks are 10.10.0.1/24 and 172.22.0.1/24. I've tried turning off iptables but that didn't change anything.
Is there any kind of setting that could prevent the interface on the computer to reject traffic using NAT or something?
If I disable the interface on the working network (ifdown eth1) then suddenly eth0 on the other networks starts accepting requests sent to it via the router that does the port forwarding. I do however want to emphasize that services work just fine as long as the requests originate from either of the networks they are on.
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Jan 10, 2010
I see there is a driver module for network card in my system. I have 2 identical network cards in my system the 1st one works well, but the second one.. My system refuses to create interface on it.... lspci
[Code]...
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May 11, 2010
I'm running Ubuntu 10.04 in South Africa and I am using a Neotel telephone device that connects with EVDO. I have followed instructions to get it working by typing: sudo modprobe usbserial vendor=0x1d09 product=0x4000.
I have also put it in /etc/init.d/rc.local to get it to load up on startup. This works and I am able to connect using the network manager. The problem is if I disconnect and then try to connect again later, it refuses to connect till I reboot and then it works, till I disconnect again.
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Jun 30, 2009
I've just set up a PC with CentOS 5.3 runing on near identical hardware to an existing 5.2 machine. Motherboard is Asus M2A-VM which I discover by chance generally works very well with CentOS. Ethernet is on board Nvidia.The older machine just did run gigabit speed without any intervention at all, rather to my surprise. The newer machine insists on running at 100 Mbit which is annoying as it is connected to a NAS through a gigabit dumb switch.
The obvious difference between the two is that ethtool on the older machine says that supported ports are TP, and so the port is TP. Whereas the newer machine says that supported ports are TP or MII and insists on running MII. I cannot change this with ethtool -s eth0 port tp. Perhaps not too surprisingly, mii-tool says that the supported speeds range up to 100 Mbit.
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Sep 21, 2010
I have a machine (lets called it machine 1) with two networks card, eth0 and eth1. Both have static IPs. Once in a while the machine refuses to give access to the Internet via Firefox (eth0 is the route to router). Other machines on the network have no problems accessing the Internet. Eventually the machine would just magically start working again, but this time it just seems to have stayed broken. I've done some simple diagnostics and found:
a) I have another machine running Apache with a Wiki on our network - [URL]. Machine 1 is unable to connect to this Wiki. I get 'the connection has timed out'. I can ping 192.168.1.73 and it responds in the usual fashion.
b) If I try to ping www.google.com it times out with: ping: unknown host www.google.com. I can ping google using its IP address.
c) On machine 1 I have tried traceroute on both www.google.com and its IP and I just get:
1 * * *
2 * * *
And so on until hop 30. Doing this on any other machine on the network works. So while it seems I can ping internally in our network and outside, but when it attempts anything traceroute or URL related it does not work.
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Jun 6, 2010
I dual boot windows xp and ubuntu 10.04 LTS and the wireless card works perfectly fine in xp so I know its not a hardware/network issue. In ubuntu, it detects wireless networks, will connect to network and work for about 20 seconds.
[Code]....
and it continues on after this alternating between a normal 20ms and high ping over 200ms. The connection refuses to load anything off the internet/local network.
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May 3, 2011
I am using an HP dm3 1030us laptop. The wireless adapter is and Atheros 5009. I have a fresh and clean install of Ubuntu Natty in it. I am trying to connect to a Linksys WRT54G2 that is in G mode using WPA2 Personal with AES. Router info:
Router Information
Firmware Version: 1.0.01 build 003, Mar. 26, 2008
Current Time: Mon, May 02 2011 20:34:37
MAC Address: 00:22:6B:4A:44:DF
Router Name: WRT54G2
Host Name:
[Code]...
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Jul 27, 2011
my problem is that , after Selection my modem and my ispand put the user name and password i get on the network icon in tha top panelmobile brodband not enabled
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May 15, 2010
I decided to upgrade to Ubuntu 10.04 a few days ago. My internet then stopped working.I changed the security for my network to WEP (instead of WPA)Is there another way around this problem or can I just download another driver? I do not intend to stick with a WEP secured network.
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Jul 26, 2011
After upgrading from 10.10 to 11.04 via the online upgrading method I had much trouble getting wireless to work but after following the instructions at .Driver/bcm43xx it burst into life, that is until I powered off and now I have to sudo modprobe b43 before the hardware button for the wifi will work and and then I am able to get online. This is for every power on session!! Once enabled it will switch on and off via the hardware button and the light is operational. Before the sudo modprobe b43 the buttonoes something as evidenced by sudo rfkill list after each press of the button. Is there any way to have the command sudo modprobe b43 inserted somewhere in the power on sequence? This was a working function on 10.10!
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Sep 22, 2010
How can I start dhcpd after Network manager has set up a new connected device. The reason being that dhcpd will not start when there is nothing connected to the network interface. Therefore I would like dhcpd to start after a new device is connected. Now I have found references if ifup-post but this does not relate to NM, is this correct?
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Jul 14, 2011
I have been looking for a solution for this but am not certain how to word it to get a viable answer.My scenario:
Athena
Win7/Ubuntu 11.04
eth0 10.11.12.100/16 gateway+dns: 10.11.12.1
[code]....
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Jul 25, 2011
I've got a little server setup on my local network and I'm trying to configure it to use miredo. I've got my laptop successfully using it, but for some reason miredo gives this error when I try to start it:
Code:
Error: IPv6 stack not available.
also running "lsmod | grep ipv6" gives these results
Code:
ipv6 270049 1 cnic
xfrm_nalgo 13381 1 ipv6
I get the impression that ipv6 is not enabled on my server, but I'm not sure how I enable it short of doing a reinstall.
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Jul 6, 2010
When I enable my ufw it completely shuts me out and I have no internet connection. When I do:
Code:
sudo ufw status numbered
I get:
Status: active
To Action From
-- ------ ----
[ 1] 80 ALLOW IN Anywhere
[ 2] 80 ALLOW OUT Anywhere (out)
But I need to disable my ufw in order to reconnect back to the internet. Why is that? Doesn't the above rules indicate that I should have inbound and outbound traffic even if my firewall is up?
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