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• Wireless USB Adapter driver configuration

  - by Jones

  First I would like agree one thing that this is fully for Ubuntu, not for BackTrack. However I'm posting my BackTrack question here since I find similar problems in backtrack forum are being unanswered and Linux/Unix site of StackExchange has very low attraction. I'm having USB wifi adapter (iBall Baton), having chipset RTL8191SU. It displays available wifi networks in Wicd manager. But while trying to connect it gives me bad password. When I'm trying to run airmon-ng it didn't returned me the monitor mode. I tried to replace with Ubuntu 12.10 drivers. But it totally nulled the device functionality. However I restored the drivers. I'm interested to compile drivers as if anyone indicate the methods. Awaiting ideas!

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• Dual-boot computer won't boot without external hard drive

  - by FrankP

  I have Ubuntu loaded on my external HDD. I tried to unplug the external drive so that this way I could run Windows as the default OS to boot when the computer turns on, but it gives me an error. I need to know how I can make it so that when my computers boots it stops saying Error: no such device: (a whole bunch of numbers and letters) then it says grub rescue>_. If I plug the external HDD in, and I let Ubuntu run the boot process, then it gives me a list of OS's/ HDD's to choose from and Windows 7 is there. The only problem is that I want Windows be my default OS, not the other way around. P.S. I have found that I dislike Ubuntu because I can't even figure out how to install the necessary programs to learn how to start writing Ruby On Rails. So installing it was a waste of my time, in my opinion. Now that I have it on the external hard drive, I will leave it installed though. I just dont want to have to keep that external drive plugged in to my computer all the time. Thank you a ton to whoever can help me! Thank you for the detail'd instructions. I am doing my best to follow you and it makes sense when I read it but, Rescatux is not doing what you said it would. None of the options you said would appear are not there. On my screen there is 4 options when MBR run's none look familiar and when I picked the best possible option based on my educated guesses it said success. I tried to restart my computer and it said Please insert windows recovery disc and hit enter. Problem being I don't have the windows recovery disc. I bought my computer from a local Computer tec and he loads windows on it for you. I have no time to run my compute over to him as sunday is my only day free. I think that I just wrecked my computer in the process of this attempted fix windows refuses to boot now WITH or WITHOUT the HDD. Please help this is getting out of hand

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• What happens after `ubuntu-bug` has done it's thing?

  - by guntbert

  Until some time ago you ran apport-bug or ubuntu-bug to start reporting a bug. The system would then open launchpad with your account, upload the collected information and let you add more info to the bug report. Now when I run gksudo ubuntu-bug (for instance with a crash-file as argument) the common bug dialog appears and thats all. Where is the report being sent to? Definitely not to launchpad as a bug report (although in the concrete situation people have been able to file a report about that bug). So: where is this report sent to (and just maybe) how can I still file a bug report from my system (makes uploading of the pertaining files much easier) Could it be that "the system" decided that this would be a duplicate of an already existing bug?

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• Why is Claws Mail starting in offline mode?

  - by Thanks

  I am sorry if this is not the best place to ask this, but hopefully someone might be able to help. After I upgraded to Ubuntu 11.10 from 11.04, Claws Mail 3.7.10 began starting in offline mode. It continues to do so upon every startup. I have searched and searched but cannot find any option that might affect this. Am I overlooking the option? Is this a bug with the current versions of Claws Mail and Ubuntu? Or is there some other way to fix this? Thank you.

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• How to search drupal site from the new Unity lense?

  - by Ognjen

  I'm creating a simple Unity lense for my college site which is based on Drupal, but I don't know how to adapt this command for Drupal API. Please help, it's python. We now create our query url, using the Wikipedia opensearch API url = ("%s/w/api.php?action=opensearch&limit=25&format=json&search=%s" % (self.wiki, search)) I'm using template to write lense following Wikipedia example http://developer.ubuntu.com/2012/04/how-to-create-a-wikipedia-unity-lens-for-ubuntu/. I don't know python but Im familiar with C. This Drupal API calling is the only problem I have to successfully develop a lense. Please help!

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• How do I get my Broadcom BCM4313 working correctly?

  - by Ataraxio Panzetta

  I've installed ubuntu on a Asus 1015 netbook. Everything worked out of the box except for the Wireless adapter, which i had to install with the Additional Drivers application. It apparently installed fine and connects to our wireless network, but it only works at a "funny" speed range that goes from 367Bytes to a peak of 3Kb in its best moments. I know for sure the problem is neither the network nor the hardware. Network speeds are normal under windows on this laptop and in other computers with ubuntu aswell. lspci says the card is a BCM4313 model, but the Addittional Drivers Manager says these packecege contains Broadcom 802.11 Linux STA wireless driverfor use with Broadcom's BCM4311-, BCM4312-, BCM4321-, and BCM4322 based hardware seems like it installed the wrong driver... Is there anything I can do? I'm not concerned about compiling the driver or stuff like that, but I'm not sure on where to start... any help or guidance will be very, very appreciated.

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• I want to learn how to help or contribute to Unity

  - by user17953

  I am a college student studying computer science and would one day like to work on operating systems. The part of ubuntu that really interests me is Unity and I would like to study it and possibly contribute to it. I was reading the wiki pages about it and it was saying to get a copy of all the required components and then start hacking. Would it be wise to do this in a virtual machine with ubuntu on it? Do you have any advice on a good place to start? Do you know of any common pitfalls? Should I also post in the irc for this? Thanks

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• Why does Network-Manager close when it cannot bind to any connection?

  - by Agmenor

  When Network-Manager is not able to bind my Ubuntu to any connection, after a while it closes. The icon in the notification area (or indicator area) disappears, and it does not run any more. For instance this happens when there is really no ethernet network nor wireless one. Nonetheless this is a problem, since I often plug in my ethernet cable long after having booted my computer. As a hack I therefore hit Alt + F2, and type nm-applet. But I am not satisfied with this solution, because I think it is not intuitive enough. Is there a way to keep Network-Manager always running? I have Network-Manager 0.8.1 on Ubuntu 10.10, but this has been so for a long time, at least for one year.

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• What has been your experience with paid support from Canonical ?

  - by gabkdlly

  I am considering buying "Ubuntu Desktop Support" from Canonical for 2 reasons: I have a couple of issues that I would like professional help with. ( Specifically a recurring kernel panic, and a slow wireless connection. ) I would like to lend a helping hand toward supporting Ubuntu financially. However, I am a bit worried that once I transfer the money, they will end up just referring me to the bug tracker on Launchpad. Also, free support options like this site have the pleasant property that they are open to the internet, meaning that if my issue gets fixed, it is more likely to help others with the same problem. What does paying for support from Canonical actually get you ?

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• KVM guest disk performance

  - by Alex

  My KVM guest does max. 200MB/s although the host does easily 700MB/s (Raid 0 with 4 SSDs). Configuration: File-based storage (raw), cache none. Host 24 cores, 96GB ram, Ubuntu 12.04.1 LTS and virt-manager. I suspect the CPU to be the bottleneck (one core goes up during hdparm). Anyone experienced the same or has an explanation ? Edit: one more info: guest is the same as host (Ubuntu 12). Same poor disk performance observed with Windows 2008 R2 and Suse Enterprise Linux (9 or 10 I think). Max 1 guest running.

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• GUI Application Resolution from Text Mode OS

  - by brettw

  I'm trying to turn a computer into a Linux thin client via Ubuntu. I have a Dell OptiPlex 755 loaded with Ubuntu 14.04 installed and fully patched. I've configured the OS to run in text mode and automatically launch the VMWare Horizon's client, which works. The issue is that when the Horizon client launches, its resolution is only 1/4 of the screen. I've played with the resolution settings in grub which appears to modify the text environment but not the application environment for Horizon's. Can someone point me in the right direction on how to increase the resolution for a GUI application launch from text mode so it's full screen. Thanks!

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• I am so confused about desktop/viewport switching, all I want to do is bind keyboard shortcuts to switch desktops

  - by Alex

  I've installed a pre-made Ubuntu 10.04 image at work, and I can't seem to figure out how to get desktop switching to work. No shortcuts work, and all the help I can get from the Ubuntu forums is "CTRL-Alt-Left/Right should work." So lemme get this straight. Switching between desktops is deprecated, so we use viewports, which are managed by Compiz, which has one of the most absurd configuration managers out there. Lovely. Can anyone straighten this out for me, and anyone else who might stumble on this question?

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• How can i make a Multiseat with Xephyr?

  - by Jnts

  i'm trying to make a multiseat with ubuntu, but a cant make this work. I've read a lot of "how to", and the most of then is about to do a multiseat with some distro with GDM2, or KDM. But, i'm using the lightdm of ubuntu. So now i'm trying to make this multiseat with Xephyr that i already used to make a multiseat with the Debian 4 version. But i dont know how to call Xephyr in lightdm.conf. Sorry for my totally crap english.

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• trying live-usb 12.04.1 image on an old desktop

  - by 213441265152351

  I am trying to load Ubuntu 12.04.1 32-bit desktop image on an old desktop computer. The system shows the initial menu, but after a while, I get an error like the one in the following two screenshots (it takes a few seconds to go from one to the other in the screen): I tried to load it using the different USB ports at the back of the computer, just in case, and I get basically the same error. Find another screenshot from another try: Any ideas what might be happening? NOTES: I checked the md5sum of the iso file to be e235b63c02644e219b7bf3668f479c9e *ubuntu-12.04.1-desktop-i386.iso. I did the 'Test' on the laptop where I created the USB drive, and it loads up correctly. The desktop computer in question is an old AMD Duron 1800MHz with 512MB RAM. I ran a memtest on the computer, and all went fine.

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• Creating a bootable USB recovery drive to be used by someone who isn't computer savvy

  - by David

  I am looking for a way to prepare an image of an Ubuntu machine which would be bootable and installable in the easiest way possible. I'm actually preparing an Ubuntu machine for someone living far, and not computer savvy. If he ever has troubles with his installation, he could just put a USB drive in, boot the machine and everything would be resetted for him. I know there are many methods of creating/loading an image of a drive, but the ones I've found so far have complicated menus with several options to choose from, etc. Ideally, perhaps only asking a Yes/No question such as "Would you like to reinstall?" would be great. Does such a tool exist? Thank you in advance!

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• Unable to install 12.10 on asus r500v

  - by bmdr38

  I have been unable to get beyond the grub boot screen of the live dvd/usb. The Try Ubuntu without installing, Install Ubuntu, etc menu shows, and I have tried adding/replacing nomodeset and no splash with neither helping. Even "Check disc for defects" does not display anything when selected. I am at a complete loss as to how to fix this one. I have had many successful installs in the past, but this is definitely a first for me. Just as FYI, Gfx card: Geforce GT 635M I realize this particular card has Optimus on it, however even the alternative boot/command line install fails to load. Any help would be appreciated. I realize there have been multiple threads on this, but none of the methods within them have solved this yet. Thanks

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• Xen 4.1 + NVidia driver = Unity has no window decorations

  - by Shade

  I am running Ubuntu 11.10 with Unity. I installed XEN and booted its kernel. The machine booted normally. However, when I started Unity (3D), there were no window decorations. I tried Unity 2D and the window decorations are present there. I then decided to remove the driver (installed through Additional Drivers) and install it manually like this: IGNORE_XEN_PRESENCE=y CC="gcc -DNV_VMAP_4_PRESENT -DNV_SIGNAL_STRUCT_RLIM" ./NVIDIA* ...but the window decorations were still missing in Unity 3D. The window decorations are there when I boot the regular Ubuntu kernel (without XEN support). What could be the problem and how to fix it?

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• How to start jenkins?

  - by Jeffery Bingham

  I installed jenkins via sudo apt-get install jenkins. However, it doesn't start up. Tried to start it manually using sudo /etc/init.d/jenkins start. But it says this message when I try to start it that way: start: Rejected send message, 1 matched rules; type="method_call", sender=":1.67" (uid=1000 pid=7970 comm="start jenkins ") interface="com.ubuntu.Upstart0_6.Job" member="Start" error name="(unset)" requested_reply="0" destination="com.ubuntu.Upstart" (uid=0 pid=1 comm="/sbin/init")" init.d method just says starting, but never starts... How do I fix this / get jenkins to start up?

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• gnome-file-share-properties doesn't work

  - by Riccardo Magrini

  I've configured gnome-file-share-properties on all my Ubuntu's PC for sharing the directory Public to each other. I following some guide found on Internet for the configuration of it, all explain the same procedure but in my case I don't see any Public directory shared with the PC. Following this link http://library.gnome.org/users/gnome-user-share/stable/gnome-user-share-getting-started.html.en I'd see the directory Public plus the name of PC that shares its directory on Nautilus Places. In my case I don't see anything, therefore on the Network place see all the machines 'n if I try to click on one receive this: "DBus error org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus)" note: I don't want to use Samba because I've all Ubuntu PC, and the firewall is disabled on all PC.

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• What is the situation about OpenGL under Ubuntu Unity and Gnome3?

  - by user827992

  In a GNU/linux distribution is usually installed Xorg as main graphical server, it operates with a client-server logic, a special windows is designate as desktop environment and this special windows can handle all the eyecandy stuff like decorations, icons and effects. The problem is that the latest UI heavily relies on hardware acceleration, Unity is an overlay on Compiz and the Gnome-shell also require an active driver for the GPU to work well: the problem is: on the same OS I can find multiple implementations of OpenGL who is handling my OpenGL buffer? how the OpenGL buffer is managed compared to the other windows? how can I be sure that my OpenGL implementation is glued to the hardware and is not related to the client-server logic of Xorg? For example I have tried the clutter library and I have only experienced problems under both Unity and GTK/Gnome, no problem under other OS.

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• Black bars around screen? Catalyst Control Center problem?

  - by Josh B

  I just newly install Ubuntu 12.04, and im running an HDMI cable from my computer to my ASUS monitor. Now in Windows 7, i did not have these black bar issues running at 1080p. But now in Ubuntu, i have these black bars. I installed the ATI Catalyst Control Center, and I went to go in to fix the scaling but it is grayed out. As you can see, even with the override box checked i still can not set the scaling. The monitor was set to a lower resolution to hopefully fix it but that did not work either. Does anyone know how to fix this? Thanks.

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• Home folder icons dont change

  - by ALdaperan

  I just installed my-humanity icon theme on my Ubuntu 12.10 but i have an issue : I extracted the archive to /usr/share/icons or/and to ~/.icons but when i apply the icon theme from gnome twek tool home folders icons dont update but stay to Ubuntu mono dark default icons. Only Launcher/tray icons change I attach screenshots in order to understand whats my issue : My folder icons on home : How they should be : Any ideas on how can i fix it ? Note : On nautilus as root (gksudo nautilus) they appear how they should be .. Only on user do not appear !

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• UFW firewall still blocking SMB despite adding rules

  - by nLinked

  I have an Ubuntu PC with ufw firewall (GUI version). I have added the preset Samba service, in and out, and even tried adding the ports manually (135-139, 445, UDP and TCP, in and out), but it still blocks samba. I am trying to access a share on another PC on my LAN. If I disable ufw, it works fine. It must be still blocking something and I can't figure it out. Any ideas? I'm on Ubuntu 11.04 beta 2.

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• Update drivers for TL-WN851ND

  - by Tony_GPR

  Today I bought a new PCI wireless card, TP-Link WN851ND, with Atheros AR9227 chipset. It has 2 antennas and is compatible with Wifi N so I thought it would improve the quality of the signal. But after install it on my computer the result is the opposite to expected. It doesn't connect to my network, while my old Wifi BG card connect without problems, I created an access point from my smartphone to try the card, and work, but is very slow loading pages. In Windows 7 works perfectly, so I think the problem is the driver. I have Ubuntu 12.04 LTS with kernel 3.2.0.31, is there a way to update the driver or I can apply a patch to improve the performance of the card? Otherwise, anyone know if there is a work in progress to improve compatibility with this chipset, or is it better to change the card and buy one with better driver compatibility. And finally, which wireless N compatible chipsets have good support under Linux/Ubuntu?

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• Computer Lab School for Orphans

  - by Brendon

  I am helping out an NGO, called Orphans Found Fund, here in Arusha Tanzania setup a computer lab to teach students about Ubuntu and open source applications. I have installed Ubuntu 10.10 on all the systems. What I'm wondering about is how to tweak the systems so that the kids cannot: Delete or alter system files Alter the system settings Add or remove applications Exceed a time limit (like an Internet Cafe) Also as the administrator I would like to monitor the usage for another system to make sure that abuse of network is not taking place. Any advice is much appreciated. Brendon

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