Ubuntu Networking :: Can't Connect To WPA2-Personal After Update To Lucid Lynx
Jun 24, 2010
I updated to the latest version of Ubuntu and before I could connect to the network "krafft" that is a WPA2-Personal protected network.If I go into Windows and change security to none I can connect with Ubuntu, but not when it's protected.After a bit of time logged in without network a dialogue pops up and looks almost like this :but "Focus" is replaced with "krafft" and the password is something else.I know that the password is right and the network worked perfectly before update.I got an USB wireless network receiver from D-Link and the chipste is ralink rt2870.In the previous Ubuntu distribution you had to write "blacklist rt2800usb" in /etc/modprobe.d/blacklist.conf but it won't work with or without that blacklist.When I updated I saw some message about the network manager(at least I think so) so maybe the problem is in that.
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May 8, 2010
After installing Lucid, I noticed that my Ralink RT2860 card would not connect to my home network using WPA2 despite the network being visible and of good strength. So I followed the guide at [url] in order to install the newest Ralink drivers.
After installation, same issue. That is, the card will connect to my a/b/g/n network if I leave it unprotected, but it will not connect to the same network if switch it to WPA2. After being given the passphrase, the wireless icon on the indicator applet shows that it is trying to connect, but after awhile it fails. Does anyone know why the built-in driver and also the official Ralink driver are no good for WPA2 in Ubuntu 10.4 for my RT2860 card?
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May 29, 2011
I was using Fedora 14 for some months and my wireless was working fine. I've set up a hidden network with WPA2 Personal authentication. My laptop has an Atheros AR2413 802.11bg NIC and my modem/router is a Topcom Webracer. Yesterday I upgraded to Fedora 15 and I can't login to that network now. The only way to login again is to boot with the old Fedora 14 kernel that still shows up in my grub menu.I've searched this on these forums there are plenty of people with the same problem but the only suggestions are that the network card isn't supported by Fedora or the network card doesn't support 802.11bg.some suggest changing the authentication method in the router... and the only one who got it solved was by rebooting the router... None of this addresses the fact that the same hardware/network was working just fine in Fedora 14. And I still can't find a way to have a wireless WPA2 connection with Fedora 15.What can I do to fix it?
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Jun 28, 2010
When Ubuntu tries to update I get an error message saying it was unable to synchronize files in the repositories and an older index will be used.
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May 14, 2010
Cant enable desktop effects Nvidia 9200M GS after update to Lucid Lynx
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Sep 12, 2010
I've been receiving a LOT of log cruft ever since I installed my WUSB100V2 (using the rt2870sta community driver from the Linux kernel) and was wondering what it all meant.
Many times when these messages occur it is accompanied by slow network speeds and many DNS queries and outgoing SYNs being dropped. I have searched for documentation for these (error?) messages and have come up empty as far as what they mean or how I can stop them from occurring.
I reside on the opposite side of the building from my WAP. I have taken steps to improve the signal strength, but the signal quality hovers between 50% and 70%, sometimes dropping to 40% for unknown reasons.
My /var/log/messages:
Sep 12 05:04:40 necronomicon -- MARK --
Sep 12 05:29:48 necronomicon kernel: 0:3 LTL=0 , TL=0 L:4284
Sep 12 05:29:53 necronomicon kernel: 0:3 LTL=0 , TL=0 L:4104
Sep 12 05:30:06 necronomicon kernel: 0:3 LTL=0 , TL=0 L:4156
[code]....
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Dec 20, 2010
I have had my network setup and working with WEP for a long time. Also Windows 7 is working fine from the same laptop. I can't figure out why the essid is scrambled. Here is the output of iwconfig:
[Code]....
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May 26, 2010
I am running dual boot of windows professional xp and ubuntu lucid lynx.I am experiencing a slow network with ubuntu.I am connected through trend net wireless N adapter and dlink 524 wireless router.my network icon is down to 1 bar,25-30% mostly.
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Oct 4, 2010
Right after playing Assult Cube, I lost my wireless. Folling the directions from this sticky, the information is listed below. Any ideas as to what I can do to get my wireless back?
1. Dell Inspiron 1545
2. lspci
sef@osg:~$ lspci
Code:
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
[code]...
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Apr 17, 2010
My college runs a WPA2 LEAP secured wireless network, and I am having problems connecting to it under Ubuntu. I can connect to it just fine under Windows, just not under Ubuntu. Under Ubuntu I can connect to other networks such as my home WEP secured wireless network, so it shouldn't be a hardware or driver issue.
When I do connect to the WPA2 LEAP network it recognizes the network and tries to connect, it pops up the login box for me to enter my username and password, but after I click connect it pops back up again about 10 seconds later. It pops up like this about 3 times total, then after the third time it stops trying to connect and the Wireless Network Disconnected message is shown.
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Feb 16, 2011
I've been running 8.04 Hardy since its first release, and was hoping to deal with its loss of support by going to 8.10 but learned that it has already been dropped.
So I'm back to installing 10.04 - and up against the bizarre choice to drop dial-up networking! Fortunately, I have my 8.04 machine still live, and I've researched it extensively without success.
The best summary of what I've done follows this post I found online:
-----QUOTE-----
I read many threads about dialup, including those on this forum; made sure to get an external hw modem [USRobotics 5637 USB, advertised as controller-based and tested to work in Linux], to avoid the softmodem/winmodem problem.
Using the 10.04 LiveCD, I installed the four .deb packages that are in poolmainwwvdial and in poolmainwwvstreams.
Now I'm stuck because I get errors when I try command line stuff, errors like "cannot open /dev/modem" and "can't find /dev/modem in /etc/fstab or /etc/mtab"
I'm confused; I've read so many threads with so much different info that I can't sort it out. Maybe I'm following info that applied to earlier versions of Ubuntu. Every error I try to fix leads to more errors. Can someone suggest a constrained, step-by-step procedure to ensure I've mounted the modem, added myself to whatever groups, and whatever else I need to do?
I know there's no wizard to make it simple, but is there a checklist or something to help me sort this out? I have the ISP info, DNS primary+secondary server numbers, phone numbers, etc. Is there a UI/graphical path, instead of command line? Had no idea this would be so difficult.
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Oct 13, 2010
Unsecured and WEP networks are fine. I do not have a WPA network to test on, but my school's WPA2 Eduroam network does not work. It tries to connect before asking again for my credentials, and this repeats. I'm on 64-bit 10.10 Ubuntu upgraded from a live CD install of 10.04. Laptop model is Acer Aspire 5741-5193. Output of lspci:
Code:
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
[Code]...
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Nov 16, 2010
Im trying to connect to my wireless network via terminal. My wifi network has a WPA2 encription. Im running ubuntu server 10.04. wifi interfaces are active, i can "see" my network with airodump. The only thing is i dont really know how to configure my iwconfig to connect to it.
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Mar 14, 2011
I just installed Ubuntu 10.04, everything is fine, but the wireless. When I try to connect to my WPA2 protected network, it is grayed out. SO I click Connect to Hidden Wireless Network, and this window pops up. I put in my network name, the security type, and password. It acts like it is connecting, the wireless icon is going up and down. But then another window pops up, saying Authentication required by wireless network and the down arrow is grayed out. Screenshot.jpg
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Mar 5, 2011
All of a sudden without rhyme or reason, My Lucid Lynx install stopped connecting to my network. This was without any intervention from me as I did not modify install or change anything prior to this happening.
What I have gathered so far is that upon initial boot eth0 seems to always be disabled. So I ifconfig eth0 up to bring it back online. All the settings in the network applet seem to be intact for my manual network that has DHCP disabled. Let me re-iterate that these settings worked fine for months then all of a sudden something went belly up. The same machine will connect fine with the same settings from within Win7.
ifconfig command shows both eth0 and the loopback interface but eth0 never manages to secure the 192.168.1.3 address that it should have. ping 192.168.1.1 returns "Network unreachable" so it appears the connection is being cut off at the machine and not the router. I did check to make sure the connection was even recognized and it sees the wired connection going to the router, but nothing else.
/etc/network/interfaces only shows two lines regarding the loopback interface and nothing else; eth0 seems non-existant within this file which I find odd.
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May 9, 2009
O currently have 2 USB WiFi adaptors: a Linksys WUSB54G v4 and a D-Link DWA-110. Both these USB adaptors worked extremely well in Windows: they could connect to any network: unsecured, WEP and WPA1/2I have tested these adaptors in DreamLinux, OpenSUSE and Mandriva: in these 3 distributions, i could use both adaptors to connect to my home's WPA2 network.Both adaptors also work well in Fedora 10.In Fedora 11 Alpha though, its a different thing: only the D-Link is able to connect to the home WPA2 network. My Linksys WUSB54Gv4 can 'see' the network, but when i enter in the WPA2 key, it takes forever to try to negotiate a connection before timing out and disconnecting.
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May 30, 2010
I have a problem with my RT2860 in my Eee PC 901 running F13. It connected fine in F12 when I installed the akmod-rt2860 driver. I enter my WPA key, then it tries to connect, but the WPA key screen appears again saying that I may have typed in my WPA key incorrectly. However, I checked and it is the right WPA key.
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May 9, 2010
I had to do quite a lot of digging before I managed to work out how to do this. It turns out to be reasonably straight forward, and so here is my howto all in one place.
Objective: Connect to my Ubuntu (Lucid Lynx) Desktop machine (which does not have a screen or keyboard) using a remote desktop viewer and get my usual GNOME desktop interface. And have the desktop persist while I am not disconnected.
I have recently discovered one niggly issue with some of the keys being messed up. 'm' and 's' in particular? I am looking into it and will update this post when I have resolved it.
The following steps were performed on a freshly installed version of Ubuntu 10.04-desktop. Just for clarity:
Code:
Install a VNC server. There is a choice of servers I chose the "tight" one.
Code:
Setup your VNC password. This password isn't very important as my setup will only allow for connections via SSH, so 123456 is what I used. One can possibly disable it?
Code:
At this point or the first time you run 'vncserver' (I forgot to check) the all important and much discussed ~/.vnc/xstartup file is auto generated. This is the make or break place where you can either get GNOME over VNC or not. My xstartup which required NO changes was:
Code:
Give the VNC server a test, by running it from the command line.
Code:
Try connecting to the VNC server:
Code:
Ok if that all worked then great! It all did for me and my machine was fresh from the CD.
Now we setup the VNC server to run all the time. There are a variety of ways of doing this. Since this howto requires the use of a SSH shell one could quite easily run the vncserver (as we did above to test it) and then disown (haven't tested if this is actually required) commands the first time you connect. This would leave the VNC server running until you used the vncserver --kill command. This would be a suitable approach if you had many different users wanting to have VNC GNOME desktops.
For convenience in a single user setup we can get the VNC server to be started at boot time:
Code:
Make the contents of 'vncserver.user' (credits to some smart guy on some blog out there that I couldn't find again. and then I made a few improvements):
Code:
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May 18, 2010
A lot of people have the problem to find themselves with Lucid Lynx 10.04 and experience massive issues when connecting to wireless - me too. As a service, here some relevant links which promise relief:
[code]...
I tried all of them, and none reliably worked. Every solution which required re-association wtih the AP helped for some time, but nothing helped for long. First, don't let yourself fool by the disable IPv6 trap - while it is "enabled" it is acutally not used by Lucid! I have a clean install of Kubuntu 10.04 on an AMD64 Laptop with Broadcom STA driver: 03:00.0 Network controller: Broadcom Corporation BCM4328 802.11a/b/g/n (rev 03) However I can reliably stabilize my connection for some time either by manually disabling WiFi with the hardware switch or disabling WiFi by software means and re-activating. This brings speed at par with Kubuntu 9.10 until some time. Can anybody confirm this behaviour?
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Dec 27, 2010
I have xbmc, a media center shell that runs on ubuntu. I am trying to set up a laptop to run it and be a full time media center. so far it works great, I installed xbmc live, but the only issue is I have a wep2 protected wireless router and the wifi does not connect automatically.
I have it set up and am using wpa_supplicant once those commands are run the wifi works great.I am a novice in linux in general, and can not seem to get this to work on startup, can anyone point me in the right direction on this? I haven't been able to find the xbmc start up script if one exists, I figured adding those lines to it might work,does this sound like a reasonable approach? if anyone knows where that is and how it is defined to be launched on start-up i would appreciate it(I guess this is getting into the general Linux knowledge but still good info)
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May 26, 2010
I will be staying somewhere that uses WPA encryption for their wireless network. It's a hidden wireless network with the security type being WPA-Personal the encryption type being TKIP.The connection works while in Windows7but not in F12.I edited the /etc/wpa_supplicant/wpa_supplicant.confthe default information already provided for WPA connections.Then, as su, I ran:
Code:
wpa_supplicant -B -Dwext -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf
And the output was:
[code]....
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Jul 5, 2011
I keep getting a "bad password" error message when trying to connect via wpa_supplicant to a wireless network (Apple Time Capsule WPA/WPA2 mixed).
Here's my wpa_supplicant.conf:
Code:
And the relevant line in the /etc/network/interfaces file:
Code:
The Time Capsule log contains the following error message--
Code:
So perhaps the password is somehow getting lost in translation from Ubuntu to the Time Capsule?
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Apr 29, 2010
I've just upgraded from 9.10 and everything is good, accept that netbeans will not load.
I get the netbeans 6.8 splash screen then nothing
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May 18, 2010
I am trying to install Lucid on my Laptop but can't get the live cd to boot correctly. At the moment, it's giving me a purple screen with a white logo at the bottom, then a black screen with the underscore character blinking, and then nothing. (I have an HP tm2, with a USB DVD/CD drive. 64bit intel core 2 duo. I am using the Ubuntu 10.04 Desktop AMD64 .iso. I also tried the i386 .iso)
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Jul 15, 2010
Ubuntu 10.04 is unable to set up my Canon Pixma IP 6000D printer.So earlier tonight when my wife wanted 2 recipes she saw on this am's Today Show, I had to restart my computer with a Fedora 13 live CD in the drive. F13 quickly installs my Canon printer and I am able to print the recipes.But this sure is a convoluted way of printing 2 short text files.to get my printer to work with Ubuntu.I've been using Ubuntu almost 2 years now, and love it, love it, love it, except for this one little thing.
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Nov 3, 2010
What exactly are the different features btw Ubuntu 10.04 LTS vs 10.4.1 Lucid Lynx?
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Apr 20, 2010
Quote:
The new Wacom Bamboo Pen (CTL-460) doesn�t work in Ubuntu Lucid out-of-the-box. You need a newer kernel module than the one that comes with Lucid by default. It�s pretty easy to get it working though, you just need to know how.
First, install some compiling tools and header files:
Code:
Code:
Now unpack, configure compile and install it:
Code:
# I know this is the wrong version, but it's the highest available and it works
Code:
The tablet should work now. You can also add the module name to /etc/modules to automatically load it on boot.
He also says (and I can confirm) that the gray lines are the new borders of the tablet. A little annoying, but I imagine one could configure that, too.
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Apr 27, 2010
I upgraded from Karmic to Lucid yesterday and today today I've noticed that I can no longer apt-get update through the terminal. I'm behind a corporate firewall, so up till now I've always exported the proxy address like so:
Code:
export http_proxy=http://user:password@address:port
This hasn't worked under Lucid. I did some searching and found that Lucid did away with
[code]....
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Apr 30, 2010
I have tried out Lucid Lynx Beta 1 back in march. During the installation I was announced that support for bluetooth was dropped. I installed anyway, thinking it would be back in the Final Release. Meanwhile (between March and April) I reinstalled Karmic because I really needed the bluetooth. I can see in the upgrade that bluetooth still isn't available. What should I do about this? Is there a way to keep Lucid Lynx and bluetooth? Or will I have to stay on Karmic until the end of times?
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May 9, 2010
Is there someone from Dallas, Texas, USA area? I've got a friend there with lucid lynx on a netbook - and she says something's gone wrong with it - she cannot boot. Maybe someone could maybe somehow meet with her and see if there is a possibility to fix it? As i don't really know what's wrong but I am on another end of the world and have no chance to figure it out.
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