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• Dedicated GRUB2 Partition and Windows 8

  - by captain

  Ok so as many of you may know the Windows 8 developer preview was released today and as such I'm very eager to use it but I have both Ubuntu and Windows 7 installed on my machine. I don't want to disturb these drives and have recently set up a dedicated grub partition on /media/sdb8 My question is if I install windows 8 will it overwrite the grub partition and if so what are the steps I should take to recover it.

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• What folder is this code signifying?

  - by clifgray

  I am trying to install OpenNi on ubuntu and have found some decent looking instructions but I am not sure what I need to do for this one specific case. Here are the instructions and here is the line that is tripping me up: cd OpenNI/Platform/Linux/CreateRedist/ chmod +x RedistMaker ./RedistMaker cd ../Redist/OpenNI-Bin-Dev-Linux-x64-v1.5.2.23/ sudo ./install.sh I don't know what folder the cd ../Redist/OpenNI-Bin-Dev-Linux-x64-v1.5.2.23/ line is talking about and can't find it anywhere. Does anyone know what this is?

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• TCP port are filtered in VirtualBox

  - by iUngi

  I'm running Ubuntu using VirtualBox to test a server application, but I couldn't get it work the communication. I used nmap to check whether the port is open or not: nmap -T4 -n vbip -p 30000 Host is up (0.00061s latency). PORT STATE SERVICE 30000/tcp filtered unknown when I'm checking the port inside the VirtualBox, than the port is open Host is up (0.00061s latency). PORT STATE SERVICE 30000/tcp open unknown I'm using bridge connection, does the VB filter the ports?

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• Mixed java version installed

  - by david99world

  I've got the following in /.bashrc export JAVA_HOME=/usr/bin/jdk1.7.0_03/ export PATH=$PATH:/usr/bin/jdk1.7.0_03/bin This is fine, if I do $JAVA_HOME I get the directory above. The problem is if I do java -version I get... OpenJDK Runtime Environment (IcedTea6 1.11.1) (6b24-1.11.1-4ubuntu3) OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode) How do I make the official jdk version the right one? Sorry I'm extremely new to Ubuntu. Thanks, David

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• AMD graphics drivers

  - by user284659

  I have a new laptop with dedicated graphics card and I decided I will go with Ubuntu 14.04. All is just fine and I love it but the repos for graphics drivers from Canonical are just well... old .Is there any problem if I install my graphics drivers from AMD's official website and not from Software Updater? It's just that from there i get the latest and greatest.I read the realease notes and 14.04 is supported.

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• How to view files from host? (running inside VMWare Fusion)

  - by Dave Long

  I have just finished moving my development server into a Ubuntu 10.04 Server VM in VMWare Fusion 3. I have all of my mysql and tomcat stuff running and am now trying to connect to my actual site files which are stored on my mac under /{User Root}/Workspace/ColdFusion/. I know that normally you should be able to setup a shared folder in VMWare and find it under /mnt/hgfs/{Share Name}, but I can't find it. I am not sure if I have to manually mount it or what.

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• How to save terminal history manually?

  - by wim

  It's my understanding that the history file is updated when the terminal exits. But sometimes my computer crashes out, and the terminal doesn't exit cleanly, and then I lose those commands from my history which is annoying. How can I make it flush immediately, so that the entries still go there even if my computer has a meltdown? At the moment I'm using this workaround, but I feel there should be a better way. I'm using gnome-terminal on Ubuntu 12.10.

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• Is it possible to use mac trackpad gestures on a linux virtualbox? (macbook pro)

  - by David

  Specifically, I would just love to use the trackpad to do "three finger swipes" and switch between workspaces, that would just be slick as hell. I imagine this might require a plugin or some such thing, in addition to the disabling of the underlying mac os's responding to the gestures, which is what it currently does. This might be impossible. PS/FYI: I am running ubuntu, but I imagine this might apply to debian builds as well.

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• How can I get my ATI / AMD drivers to work with any kernel above 3.2.0.x?

  - by TorakTu

  How can I get my ATI / AMD drivers to work with any kernel above 3.2.0.x ? WHAT DID WORK Installed original AMD64 version of Ubuntu 12.04 ISO image. Burned DVD and installed which shown kernel 3.2.0-23 to begin with. Got 5.1 surround sound working. Got ATI ( Now its AMD ) video drivers installed for my Radeon HD R6870 Video card from AMD's website. fglrxinfo came up and reported as normal. THE PROBLEM Kernel 3.2.0.x kept locking up so I tried higher kernel versions. But ATI / AMD Drivers do not install on any kernel Above 3.2.0.x WHAT I HAVE TRIED I have gone over this tutorial many times ( https://help.ubuntu.com/community/BinaryDriverHowto/ATI ) and it doesn't work on ANY kernel except 3.2.0.x. The problems I am having here are that the ATI / AMD drivers working for the 12.04 Precise with kernel 3.2.0-23 and 24, But the computer kept locking up. Although all my games would work, the lock ups were random and were constant. So I looked all over the web for 3 days trying to find an answer and the lock up issue was said to just update the kernel. So I did. Have tried many kernels. All of them .. no lock ups. BUT the Restricted AMD drivers from the AMD website will not install. And none of the OpenSource AMD drivers have EVER installed no matter what Kernel or version I tried. EXAMPLE OUTPUT OF 3D TYPE OF ERRORS Javax.media.opengl.GLException: glXGetConfig failed: error code GLX_NO_EXTENSION at com.sun.opengl.impl.x11.X11GLDrawableFactory.glXGetConfig(X11GLDrawableFactory.java:651) at com.sun.opengl.impl.x11.X11GLDrawableFactory.xvi2GLCapabilities(X11GLDrawableFactory.java:350) at com.sun.opengl.impl.x11.X11GLDrawableFactory.chooseGraphicsConfiguration(X11GLDrawableFactory.java:174) at javax.media.opengl.GLCanvas.chooseGraphicsConfiguration(GLCanvas.java:520) at javax.media.opengl.GLCanvas.<init>(GLCanvas.java:131) at haven.HavenPanel.<init>(HavenPanel.java:68) at haven.HavenPanel.<init>(HavenPanel.java:78) at haven.MainFrame.<init>(MainFrame.java:182) at haven.MainFrame.main2(MainFrame.java:306) at haven.MainFrame.access$100(MainFrame.java:34) at haven.MainFrame$7.run(MainFrame.java:360) at java.lang.Thread.run(Thread.java:722) And of course this is what fglrxinfo shows : X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 139 (ATIFGLEXTENSION) Minor opcode of failed request: 66 () Serial number of failed request: 13 Current serial number in output stream: 13 EDIT : I forgot to mention that I DID look at this post over the last few days and it did not help.

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• Error from sudo update-grub

  - by Jim

  I've installed Ubuntu 13.10 on a Lenovo yoga 13. In order to make the backlight work with the keys I've been following some instructions here: How do I get the brightness control working on a Lenovo Yoga 13? The process asks me to run update-grub, but this causes the following error: /usr/sbin/grub-mkconfig: 27: /etc/default/grub: want: not found Which doesn't seem to come up hardly anywhere on Google - which is me pretty much stumped when it comes to grub!

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• Can't sync music on Nexus 4 with rhythmbox

  - by luca992

  My LG Nexus 4 phone running Andriod 4.4.3 will not sync music with rhythmbox, banshee, or clementine with my laptop running Ubuntu 14.04. When attached via USB2 or USB3 I can mount the file system on the phone without issue and can manually transfer files but attempting to sync my nexus with any of the three music players I listed causes them to crash. I realize it is probably some mtp issue. But I cannot figure out why the music players cannot connect to my nexus and nautilus has no problem doing so.

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• Reduce memory usage

  - by Flintoff

  I have just installed the standard default desktop configuration of Ubuntu 12.10 (Quantal Quetzal). My PC only has 1GB of RAM and is struggling a little. What steps can I take to reduce the memory overhead of the standard install? If it makes a difference, I use Firefox, and a terminal most of the time. Simply running those two applications I see: free -m total used free shared buffers cached Mem: 938 873 64 0 5 167 -/+ buffers/cache: 701 237 Swap: 959 158 801

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• Upload File From URL

  - by Ryan Naddy

  I have been using Windows for a while, and with it there is a feature when you want to upload a photo (for example) to a website, you click on the "Choose File" in Chrome to upload a photo, a "File Explorer" opens, and instead of selecting a file from the hard drive you can paste a URL into the "File Explorer" and press open and it will download the file from the web to your temporary files, and use it to be uploaded. Is there any way I can do that in Ubuntu 12.10? Here is the windows example:Upload from url via File Explorer

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• ssh -X "Xt error: Can't open display: :0.0"

  - by Fabian

  I'm trying to open xterm on my remote server (Ubuntu Server 10.04) with ssh: ssh -X name@machine xterm but the error returned is: xterm Xt error: Can't open display: :0.0` I googled and tried everything I found. Still getting this error. The DISPLAY-variable should be set automatically, right? Part of sshd_config: X11Forwarding yes X11DisplayOffset 10 PrintMotd no PrintLastLog yes TCPKeepAlive yes Any advice?

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• ATI RS690m X1200 proprietary driver installation

  - by fan-dz

  I've installed Ubuntu 11.10 on my emachine e625 AMD64 (TF-20) with an ATI RS690m X1200 graphics card but I didn't have 3D acceleration. The open-source driver works, except for any video effects or acceleration… I've downloaded the driver from ATI and followed the installation instructions and here is the result: Error: ./default_policy.sh does not support version default:v2:x86_64:lib32::none:3.0.0-17-generic; make sure that the version is being correctly set by --iscurrentdistro What did I do wrong?

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• No WiFi after upgrading 12.04 kernel to 3.2.0-24-generic-pae

  - by lunar

  I'm on Ubuntu 12.04 LTS. With the previous kernel everything was okay — until today's upgrade to 3.2.0-24-generic-pae. The device network tools show that my WiFi card is in an inactive state. How can I enable it? These commands don't work: sudo ifconfig wlan0 up sudo /etc/init.d/networking restart The last one returns some weird errors, brackets, tildes, ampersands like in some kind of a loop.

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• How do I get mlocate to only index certain directories?

  - by Andrew Ferrier

  I'd like to use mlocate on my Ubuntu server, but only to index certain directories (e.g. /home and /data, but not everything under /). However, mlocate's standard configuration works the opposite way; you specify the paths you want to remove (with PRUNE_PATHS). Is there any easy way to achieve this, or any similar utility that will do what I want? (note: it should maintain an index like mlocate, so find is not acceptable, for example) Thanks.

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• How can I get my HID device working in VirtualBox?

  - by Andy E

  I'm running the latest official Ubuntu build of VirtualBox (4.1.12), with Windows 8 running as the guest OS. I have a Windows app that works with a card reading HID device, but it's not detected by the guest OS at all. I've installed the USB extensions, guest additions and set my udev rules accordingly (my own linux app is able to access the device), but no joy. Does anyone know how to get this working?

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• Why can't I install Windows 8 in Virtualbox on 12.04? [closed]

  - by The_Ubuntu_Kid

  I recently tried to install Windows 8 RP 32-bit in Virtualbox using Ubuntu 12.04 as the host. I have tried multiple settings for memory, hard drive size, etc. Every single time it has come up with this error Your PC needs to restart. Please hold down the power button Error code: 0x0000005D Parameters: 0x0306170A, 0x756E6547, 0x49656E69, 0x6C65746E I really like windows 8 and I would like to know how to fix this some time soon.

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• Nautilus window initial geometry with Gnome 3

  - by elomage

  I would like to open one or more Nautilus windows from the command line or a script at certain positions on my screen/desktop while in Gnome3. I could do this in Ubuntu 11.10 by specifying the geometry. For example, to open the window at the bottom right corner from the command line I could use: nautilus --geometry 600x475-0-0 ~/mystuff But using Gnome3 the geometry option is ignored, or overriden. Is there a way to make this work?

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• Argument list too long and copying to Samba Share

  - by Copy Run Start

  Ubuntu 12.04 LTS 64 bit. I'm trying to make a scheduled task copy from a directory with thousands of files to a samba share (while skipping duplicates). I mapped my Samba share through the GUI. The command I tried: cp /home/security/Brick/* ~/.gvfs/"cam on atm-bak-01.local/Brick" -n I found this but I don't know how to change the syntax to what I need. find -maxdepth 1 -name '*.prj' -exec mv -t ../prjshp {} + Any hints are greatly appreciated.

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• How to render 3D models as SVG vector graphics? (planar projection)

  - by Jan

  This image (original SVG from Wikipedia, public domain) was created using the following procedure: Create a 3D model in Google sketchup Export as PDF Import in Inkscape Save as SVG Is there a straightforward way to produce such a SVG with software that runs (natively) on Ubuntu? (Pantograph, a Blender plugin, has only broken download links; VRM, another Blender plugin works with Belnder 2.4x, but not with Blender 2.6x.)

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• Is there a way to manage my Grub menu options from with the GUI/desktop?

  - by Neil Trodden

  With each kernel update, a new entry is placed in Grub to provide a way to boot that specific kernel version. I have about 5 at the moment and, to be honest, once I have confirmed I can boot into the new kernel version, I never go back to a previous version. I'd like to manage the items in this list from the desktop rather than edit the file, is there a way to do this using the GUI from within Ubuntu itself?

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• Building package from binary files - what's wrong with my control file

  - by Hannes de Jager

  I'm busy trying to build a .deb package from the binaries of my application (non open source) and I'm having trouble getting the correct info to display in the Ubuntu Software Centre (when you click on the .deb file). Please see screenshot below of control file and Software Centre View. It seems like the package name and the package description is swapped. I'm expecting the part in bold to read "attix5pro" and not "Cloud backup agent". Can someone show my my mistake or guide me?

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• Control Media via Arduino

  - by Ohad

  I want to create an application that controls the volume, play next\last, stop\play and things like this (I don't know what they called) like in a keyboard. I have tried to find how to do this with Python\Java but I couldn't find how. The main idea is (if some-one knows what is arduino) to connect it to my PC (Ubuntu) and to get from it signals that gives me values and with this values to be able to change the volume and to do next song\video. Thanks to any one who help :)

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