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• Ubuntu 12.10 Unity Dash transparency problem

  - by madox2

  I have just upgraded my Ubuntu 12.04 to 12.10 and there is following problem. When I press super button to show Unity Dash I get wrong background image behind the dash box. Especially I can see part of the bottom of the screen. Also when I set transparency to top panel the background behind is not correct. Here is an example with Mc Duck picture: Unity Mc Duck example Do you have any ideas whats wrong? My system preferences: Ubuntu 12.10 32-bit Intel® Pentium(R) CPU G840 @ 2.80GHz × 2 GeForce GTS 450/PCIe/SSE2 Any help will be highly appreciated!

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• After upgrading to 13.04 Unity interface is not showing

  - by ?????? ?????

  I've upgraded to Raring last night. The upgrade itself went okay, no errors. But when I rebooted the computer afterwards and logged in to my Unity session, all I could see was the Desktop background (together with Desktop icons), and no Unity interface. The Super button shortcut wasn't showing the Dash, there was no top panel etc. Please see the screenshot. As a hint, I'm suspecting it's got something to do with my switchable graphics. I'm running Ubuntu on Acer Aspire AS5830TG with nVidia GT540M and an Intel integrated card. In 12.10 I was using Bumblebee to manage the graphic card switching. During the upgrade I saw something related to nvidia had to be uninstalled, but didn't pay much attention to it. I can't be sure if it has anything to do with my problem though. What could possibly go wrong?

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• USB Mouse sleeping after 5 seconds when on battery

  - by yurividal

  My usb mouse sleeps after 5 seconds of inactivity when running on battery power. It wakes uo again when i press any button on the mouse. This is really annoying. I have made lsusb, and I noticed my mouse is Bus 001 Device 012: ID 04d9:2083 Holtek Semiconductor, Inc. I have checked my /sys/bus/usb/devices/usb1/power/autosuspend but it is already set to 0, and the directory usb1 has many subdirectories which also have autosuspend files, and i dont know how to edit them. Also, I would like a permanent solution, which would work for any mouse, on any of my 3 usb ports. Any ideas? Using: Ubuntu 12.04 64bit

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• How can I figure out why Suspend sometimes fails?

  - by Isaac

  Something is causing suspend crash occasionally. When it does crash, the system freezes with a black screen and stays on, not suspending. This makes me have to hold the power button until the system shuts down. One setting difference I have from most people is, I don't use the option that lets you suspend when the laptop lid is closed. So opening and closing the laptop lid has no actions. I like to press suspend manually. Could this preference change be the cause? How can I start looking for what's causing the crash, since the crash doesn't display errors?

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• How to Quickly Resize, Convert & Modify Images from the Linux Terminal

  - by Chris Hoffman

  ImageMagick is a suite of command-line utilities for modifying and working with images. ImageMagick can quickly perform operations on an image from a terminal, perform batch processing of many images, or be integrated into a bash script. ImageMagick can perform a wide variety of operations. This guide will introduce you to ImageMagick’s syntax and basic operations and show you how to combine operations and perform batch processing of many images. The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage Reader Request: How To Repair Blurry Photos

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• Gmail address book in Evolution does not work

  - by wouter205

  I added my Gmail address book to evolution, but it gives my an error every time, even when choosing "use secure connection" in the address book options. The error is (I translated it on my own): unable to open address book. This is because you entered a wrong URI or the server is unavailable at the moment. Details: cannot open book: source already loaded! Sometimes, when I click the button 'reject error', it does load the address book but when I return to evolution after a while, it gives me the same error and sometimes I cannot load the address book. This is very annoying since I have to use evolution a lot.

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• Webapps don't open correctly when using Chromium

  - by Alex

  I have just installed Ubuntu 12.10 completely fresh, the old version of Ubuntu was discarded or overwritten (or whatever you call it). I want to use the Ubuntu webapps with Chromium but I've had several problems. }The first problem is that Chromium won't ask me if I want to install a webapp if I go to a supported site (and I don't already have the webapp installed). The second problem is that when I install the webapp by visiting the site in Firefox, and then I try to open it in Chromium, Ubuntu will open a completely new Chromium icon and window in the Launcher, and the icon will be labeled "Untitled"; also there is no search bar in the new window, only the tab at the top. I've tried using several webapps with Firefox set as the default browser and they work as expected: once the webapp icon is clicked a Firefox window is opened on the Firefox launcher icon, and the window has 'new tab' button and search bar.

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• Unity launcher autohide leaves "ghost" behind?

  - by Hailwood

  In 12.04 I had the launcher set to autohide, which worked perfectly. However in 12.10 I am getting a strange "ghost" issue. Take this screenshot, with me having a maximised google chrome window, mousing over the back button. As well as this, I also get another ghosting issue when I have the panel set with an opacity, whereby whatever is in approximately the middle left of the screen gets mirrored up to to panel, but only when I move/switch to a window. But that one is not so annoying as the autohide bug, how can I fix that?

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• How to modify VBO data

  - by Romeo

  I am learning LWJGL so i can start working on my game. In order to learn LWJGL I got the idea to implement the map builder so I can get comfortable with graphics programming. Now, for the map creation tool I need to draw new elements or draw the old one's with different coordinates. Let me explain this: My game will be a 2D scroller. The map will be consisting of multiple rectangles ( 2 strip triangles). When I click my left-mouse button i want to start the rectangle and when I release it I want to stop the rectangle bottom-right at that position. As I want to use VBOs I want to know how to modify data inside the VBO based on user input. Should i have a copy of a vertex array and then add the whole array to the VBO at each user input? How is usually implemented the VBO update?

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• What is the easiest (preferably) graphical way to clone a hard drive to an image that I can open later?

  - by Roland Taylor

  I need to make a (preferably) mountable image of an 80GB Hdd, and store it on another hard drive. Is there some way that I can do this without losing data? Thanks for the answers I've received so far. The system in question cannot be used right now due to a problem with the power button :( [ugh!], but the information will really be useful =)! Thanks to all who answered so far, if anyone else wants to give me some tips I'll leave this open for a bit, as I still have not yet been able to clone the drive.

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• Humble Bundle Gives You DRM-Free Games at Pay-What-You-Want Prices

  - by Jason Fitzpatrick

  The Humble Bundle is back–score cross-platform games at a pay-what-you-want price and even send the proceeds to charity in the process. Between now and April 2nd, score great independent games like Zen Bound 2 and Avadaon: The Black Fortress with a name-your-price deal courtesy of The Humble Bundle. You pay what you want and specify how you want the money divided among the developers and the Electronic Frontier Foundation/Child’s Play charities. Check out the video above to see the games included in the bundle. All games are cross-platform, available for Windows, Mac, Linux, and Android, and DRM-Free. The Humble Bundle The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage Reader Request: How To Repair Blurry Photos

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• Keyboard Mouse Problem

  - by Zachary K

  I just installed Ubuntu on my laptop (Core 2 Duo Sony Vaio) and am having a problem with the external keyboard and mouse. When I first logged in the left mouse button does not work, this can be solved by unplugging the external keyboard/mouse's USB connector and then plugging it back in again. But Then randomly other problems happen. (Shift gets stuck, keys don't work etc) The keyboard and mouse are a generic brand wireless (A4 Tech) that I got for cheap. Both work OK under windows so this is a major pain.

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• Creating an anonymous site in SharePoint 2010

  - by shehan

  Here’s how: Open up the Central Administration site and click on “Manage Web Applications” under the “Application Management” section From the ribbon click on “New” (Note: if its an existing web app, then click on “Extend”) Fill in the fields with appropriate values. Under “Security Configurations” make sure to select “Yes” for “Allow Anonymous” Click OK Once the web application has been created, a site collection would need to be created. Navigate to “Application Management” –> “Create Site Collection” Fill in the fields with the appropriate values and create the site collection Next sign into the newly created site collection as the Site Collection Administrator. From the “Site Actions” menu, select “Site Permissions” In the permissions page that loads, click on the Anonymous Access button appearing on the ribbon. A modal dialog would popup. Select the appropriate option and click OK. If you selected “Entire Web Site” its advisable to restart the browser to test anonymous access Technorati Tags: SharePoint 2010,anonymous,site collection,web application

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• Entity Framework 4.0 POCO Classes and Data Services

  If you've flipped on the POCO (Plain Ol' CLR Objects) code generation T4 templates for Entity Framework to enable testing or just 'cuz you like the code better, you might find that you lack the ability to expose that same model via Data Services as OData (Open Data). If you surf to the feed, you'll likely see something like this: The XML page cannot be displayed Cannot view XML input using XSL style sheet. Please correct the error and then click the Refresh button, or try again later....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Entity Framework 4.0 POCO Classes and Data Services

  If you've flipped on the POCO (Plain Ol' CLR Objects) code generation T4 templates for Entity Framework to enable testing or just 'cuz you like the code better, you might find that you lack the ability to expose that same model via Data Services as OData (Open Data). If you surf to the feed, you'll likely see something like this: The XML page cannot be displayed Cannot view XML input using XSL style sheet. Please correct the error and then click the Refresh button, or try again later....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Unity displays a black screen when connecting an external monitor

  - by Bragboy

  I upgraded my ubuntu from 10.10 to 11.04 and since that day I have been facing issues with Dual Monitor in Ubuntu. When I connect my second monitor during boot time, everything works fine. But when I use my laptop and try to connect a monitor when I am running Ubuntu, I face a weird black screen issue. To see what I mean, following is a screenshot of the same. Here are the problems that happen Desktop background goes away As you can see on the left hand side of the desktop, the right and top portions are black The usual buttons - power button, mail, volumne etc., on the top panel do not work as expected Plus it suddenly crashses at times. And a lot of n other issues associated with this. Is there any patch/release that has happened for these bugs or should I report it anywhere? Help needed.

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• Upgrade Ubuntu 11.10 to 12.10

  - by Daniel Minassian

  To whoever can help, I want to update the ubuntu on my laptop to 12.10 from the current version 11.10, when i click on the update manager i get a partial update gui, if i click cancel on that i get the gui for update which has three buttons check, install updates and upgrade. The upgrade button upgrades only to 12.04.1.LTS, when i press check it checks and gives me this error "W:Failed to fetch h t t p://lb.archive.ubuntu.com/ubuntu/dists/precise/main/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/lb.archive.ubuntu.com_ubuntu_dists_precise_main_i18n_Index , W:Failed to fetch h t t p://lb.archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/lb.archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index , W:Failed to fetch http://lb.archive.ubuntu.com/ubuntu/dists/precise/restricted/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/lb.archive.ubuntu.com_ubuntu_dists_precise_restricted_i18n_Index , W:Failed to fetch http://lb.archive.ubuntu.com/ubuntu/dists/precise/universe/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/lb.archive.ubuntu.com_ubuntu_dists_precise_universe_i18n_Index , E:Some index files failed to download. They have been ignored, or old ones used instead." Thank you for your time and help, Daniel Minassian

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• ubuntu 12.04 refuses to install with windows 7

  - by Amitabh Pandey

  I have a desktop computer with windows 7 installed on it . Recently I downloaded ubuntu 12.04 and burned the iso image on a new blank DVD . After successfully burning DVD , I booted from the DVD. Ubutu interface appeared asking me to either choose try ubuntu or install ubuntu . I chose to install ubuntu. Again on next screen I choose to install ubuntu inside windows 7. After pressing continue button the following message appeared : " checking battery state .............. ok checking for running unattended upgrades : acpid : exiting speech dispatcher disabled ; edit /etc/default/ speech -dispatcher Asking all remaining processes to terminate ............. ok Please remove installation media and close the tray (if any) then press enter : " Now the problem is that when I remove the installation media ( ie the DVD ) and press enter then instead of installing ubuntu the computer reboots into windows 7 !!! I am a newbie to ubuntu and therefore do not know much about it . What should I do?

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• How to open the JavaScript console in different browsers?

  - by Šime Vidas

  Chrome: Press CTRL + SHIFT + I to open the Developer Tools. Click on the "Open console." icon in the bottom left corner. Safari: Press CTRL + ALT + I to display the Web Inspector. Click on the "Open Console." icon in the bottom left corner. Note: this only works if the "Show Develop menu in menu bar" check box in the Advanced tab of the Preferences menu is checked! IE9: Press F12 to open the developer tools. Open the Script tab, click the "Console" button on the right. Firefox 4: Press CTRL + SHIFT + K to open the Web console. What about Opera 11? Clarification: By console I mean the JavaScript console that lets you input and execute JavaScript code.

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• What would I do to figure out why Suspend sometimes crashes?

  - by Isaac

  Something is causing suspend crash occasionally. When it does crash, the system freezes with a black screen and stays on, not suspending. This makes me have to hold the power button until the system shuts down. One setting difference I have from most people is, I don't use the option that lets you suspend when the laptop lid is closed. So opening and closing the laptop lid has no actions. I like to press suspend manually. Could this preference change be the cause? How can I start looking for what's causing the crash, since the crash doesn't display errors?

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• Optimal Database design regarding functionality of letting user share posts by other users

  - by codecool

  I want to implement functionality which let user share posts by other users similar to what Facebook and Google+ share button and twitter retweet. There are 2 choices: 1) I create duplicate copy of the post and have a column which keeps track of the original post id and makes clear this is a shared post. 2) I have a separate table shared post where I save the post id which is a foreign key to post id in post table. Talking in terms of programming basically I keep pointer to the original post in a separate table and when need to get post posted by user and also shared ones I do a left join on post and shared post table Post(post_id(PK), post_content, posted_by) SharedPost(post_id(FK to Post.post_id), sharing_user, sharedfrom(in case someone shares from non owners profile)) I am in favour of second choice but wanted to know the advice of experts out there? One thing more posts on my webapp will be more on the lines of facebook size not tweet size.

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• Ubuntu Installer offers to show differences, then doesn-t

  - by R B

  When I was installing updates under 12.04 LTS today, the ubuntu installer warned that there were differences between the local copy of smb.conf and that in the installer package. It offered me a drop/down list of options. I chose one which reads something like "show differences side by side" and clicked the only available button (other than help, I think it was labelled continue) The installer then proceeded with updates and asked for a reboot. Even after rebooting, no comparison was shown. How can I find out now whether I still have my previous smb.conf or the one from the installer, and what the differences are?

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• Ubuntu 13.10 install VMware 9.0

  - by user212290

  After I install the VMware workstation 9.0, while when I want open the VM, there come the dialogue "Before you can run VMware, several modules must be complied and loaded into the running kernel CANCEL INSTALL",while I clicked the INSTALL button, nothing happened. When: sudo apt-get install linux-headers-3.11.0-12-generic sudo /usr/bin/vmware-modconfig --icon=vmware-workstation --appname=VMware come: cc1: some warnings being treated as errors make[2]: *** [/tmp/modconfig-T9k19t/vmci-only/linux/driver.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [_module_/tmp/modconfig-T9k19t/vmci-only] Error 2 make[1]: Leaving directory `/usr/src/linux-headers-3.11.0-12-generic' make: *** [vmci.ko] Error 2 make: Leaving directory `/tmp/modconfig-T9k19t/vmci-only' Failed to build vmci. Failed to execute the build command. Starting VMware services: Virtual machine monitor done Virtual machine communication interface failed VM communication interface socket family done Blocking file system done Virtual ethernet failed VMware Authentication Daemon done

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• xmonad keyboard doesn't work

  - by Mikkel Paulson

  I'm experimenting with xmonad, which I installed from the Ubuntu Software Centre on Ubuntu 12.10. It looks cool, but when I invoke it (using xmonad --replace from the command line) my title bars disappear and my keyboard stops working. At all. The terminal stops working, the keystrokes I've seen in online "getting started" guides are ignored, and the only way for me to actually power the system off is to hit the reset button or ssh in from my phone. Ironically, my mouse still works. One guide I saw suggested replacing the default window environment with xmonad, but I'm afraid of rendering my system completely inoperable if I do that. Any suggestions?

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• How To Properly Scan a Photograph (And Get An Even Better Image)

  - by Eric Z Goodnight

  Somewhere in your home, there’s a box of old analog photographs you probably want digital copies of. Unless you know how to use your scanner correctly, the image quality can turn out poor. Here’s how to get the best results. If your memories are important to you, then it’s worth taking the time to do them right. Today we’re going to look at the largely overlooked tools and methods that’ll give you the best possible quality out of a scan of a less than perfect photo. We’ll see how to make the most of the scanning software and how to use graphics programs to make the image look better than the original photograph. Keep reading! How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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