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• toshiba c800 Fn keys not working

  - by Nirjon Nj

  i am a new born baby in Ubuntu family. And i am really loving it. but i am having few issues which are rally annoying.Please help me to remain in this family. my Toshiba C800 laptop(12.04lts desktop) has special Fn keys as followed Fn+ F2-BRIGHTNESS DOWN F3-BRIGHTNESS UP F4-DISPLAY SELECT F5-TOUCH PAD on/off F6-PREVIOUS F7-PLAY/PAUSE F8-NEXT F9-VOLUME DOWN F10-VOLUME F11-MUTE F12-WiFi on/off now the problem is keys are working fine from F6 to F11(media player keys, i may say) but the keys from F2 to F5 and F12(setting change keys) are not working. please help me. i really liked ubuntu!!

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• Screensaver + lock double login problem after Maverick upgrade

  - by dr Hannibal Lecter

  Just found something strange after updating from 10.04 to 10.10. I've set up my screensaver to lock the account when activated. When I log back in, I see my desktop for a second and then the screensaver starts again and I have to re-login. I checked my process list in gnome system monitor, and I have two gnome-screensaver processes(!?), one started as /usr/bin/gnome-screensaver and other simply as gnome-screensaver. And no, I did not start one manually. Where do I look for a way to switch off one of those (supposing that's the problem)? I did not find anything in my startup applications.

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• Part of the launcher has been cut off, Ubuntu 12.04

  - by Tim

  After a hard drive failure on my iMac, I replaced it and installed Ubuntu. So far, I am finding it very easy to use, however there is one problem which is making it much harder. The bottom of the launcher is missing - it is 'covered' by the desktop background. This means that I cant see the trash, or bottom few icons. Even if I scroll, it doesn't show it. Any help is very much appreciated. If you send a message to [email protected], with the subject "launcher photo", I will send you an email with the photo of the missing part attached. Currently, my only fix is to enable and then disable the extra screen it thinks is there - called unknown device

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• Instruct Ubuntu to boot TORAM from flash drive using unetbootin

  - by Goyuix

  I have used UNetbootin to create an installable / live bootable flash drive from Ubuntu 12.04. However that didn't preserve the normal Ubuntu boot menu which allows to me to enter advanced options. It has a custom menu that I can pick from predefined choices like "Install Ubuntu" and "Try Ubuntu without installing". What I would like is to be able to boot from the USB flash drive, but then be able to remove it from the computer once the desktop has loaded. The laptop I would like to use this on does not have a CD/DVD drive. What do I need to modify on the flash drive to add an option to "Try Ubuntu (RAM)" that passes the TORAM=yes parameter to the initrd options? Are their other things I need to touch/change as well? Bonus: I would guess the answer would also allow for other options like acpi=off as well, but if it is different I would appreciate having that answer too.

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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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• Keyboard shortcut: Win key doesn't work for custom commands

  - by Xiè Jìléi

  It's all ok before upgraded from 10.04 to 12.04. It seems all right. In keyboard shortcut window, if I pressed Win+V, it can capture the key combination as Super+V, no problem. I've checked the output from xev utility, the left and right Win keys are translated to Super_L and Super_R correctly. I have found a workaround, though. Using gconf-editor, edit the entries /desktop/gnome/keybindings/*/binding and replace <Super> with <Mod4> for the problem bindings. However Super+... keys do work for most built-in actions such as "switch workspace", they just don't work for custom commands.

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• Will Ubuntu 12.04 work on an Acer Aspire One D257-1682?

  - by Avid

  Is it possible to install Ubuntu 12.04 on an Acer Aspire One D257-1682? I have a disc that I used to run Ubuntu 12.04 on my desktop without incident. When trying to run it on my Aspire One, using an external DVD drive via USB, I get a ton of errors about missing files while it tries to load Ubuntu. I found a list of which versions of Ubuntu to run depending on which Aspire One model you have, but the D257 was not listed at all. I want to have Ubuntu on my Aspire One for coding Java and C++ since I don't have to sit at my desk for hours. Please help! -Avid

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• Virtual screen size with libgdx and GLES 2

  - by David Saltares Márquez

  I've been trying to use a virtual screen size for my libgdx desktop-android game. I'd like to always use a 16:9 aspect ratio but with a virtual screen size so everything would adapt automatically depending on the device size. This post illustrates the process pretty well but my game crashes when camera.apply(Gdx.Gl10) is called. This is because I'm using GLES 2.0 (for not having to use multiple of 2 texture sizes). As stated in the OrthographicCamera doc, the apply method only works with GLES 1 and GLES 1.1. Is there another way of applying my GL transformation to the camera so I can use a virtual screen resolution? Having to resize everything manually it's a total pain. Thanks a lot.

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• SDL2 with OpenGL -- weird results, what's wrong?

  - by ber4444

  I'm porting an app to iOS, and therefore need to upgrade it to SDL2 from SDL1.2 (so far I'm testing it as an on OS X desktop app only). However, when running the code with SDL2, I'm getting weird results as shown on the second image below (the first image is how it looks with SDL, correctly). The single changeset that causes this is this one, do you see something obviously wrong there, or does SDL2 have some OpenGL nuances I'm unaware of? My SDL is based on changeset dd7e57847ea9 from HG (since then there is one "Allow specifying of OpenGL 3.2 Core Profile on Mac OS X" commit, not sure if that would help).

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• How to disable DisplayInfo for Intel i810 when there is no xorg.conf

  - by user86954

  I'm testing Ubuntu 12.04 on an office desktop. This machine has an integrated Intel i810. This very machine used to run Ubuntu (or kubuntu) quite well, until the natty narwhal release, when the xserver started freezing. This seems to be caused by an issue with a call to the video bios, which can be circumvented by disabling the option DisplayInfo. I tried creating an xorg.conf by using Xorg -configure, but it produced an error after trying to make a file. I did have a file, and I put it in /etc/X11 with DisplayInfo false (maybe it wants "disabled"?), but it wouldn't boot at all until I removed that xorg.conf. There is no 10-monitor.conf file either. All I want to do is set the appropriate option so that my intel display doesn't freeze. Is there any other way I can disable the DisplayInfo? Andrew

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• how to make audio and video streaming servers work?

  - by explorex

  I am a php mysql developer ... just an (below) average. and i am interested in the way television and radio are broadcasted over internet live. i want to know how it works and and what are its requirements (which package of which programming language offers the best). i must admit that i am a complete layman but i expect it do by next half month or year or so. And please clarify me Websites are stored in servers. From my desktop, i want to broadcast some video, then i need to connect to webserver(to upstream the video). Is there an application to do that (or do i have to code that or embed in my web application and which programming language would be suitable(does python support that))? and i also need a script to handle the upstreamed video or audio(can i do that with php)?

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• Surface Pro 3 first impressions

  - by John Paul Cook

  I traded in my Surface 2 (the trade-in program is now over) and bought a Surface Pro 3 with an i7 processor and 8 GB of ram. I greatly prefer the 3 by 2 aspect ratio of the Surface 3. After only one day of ownership, I’ve decided to purchase a docking station. I have a 7 year old desktop with a quad core Q6600 processor overclocked to 3.0 GHz and 8 GB of ram. It has a Plextor 512 MB SSD as the primary drive. It’s a very capable machine, but it does have a little bit, and I do mean only a little bit,...(read more)

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• Asynchronous update design/interaction patterns

  - by Andy Waite

  These days many apps support asynchronous updates. For example, if you're looking at a list of widgets and you delete one of them then rather than wait for the roundtrip to the server, the app can hide the one you deleted, giving immediate feedback. The actual deletion on the server will happen in the background. This can be seen in web apps, desktop apps, iOS apps, etc. But what about when the background operation fails. How should you feed back to the user? Should you restore the UI to the pre-deletion state? What about when multiple background operations fail together? Does this behaviour/pattern have a name? Perhaps something based on the Command pattern?

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• Calling all developers building ASP.NET applications

  - by Laila Lotfi

  We know that developers building desktop apps have to contend with memory management issues, and we’d like to learn more about the memory challenges ASP.NET developers are facing. To be more specific, we’re carrying out some exploratory research leading into the next phase of development on ANTS Memory Profiler, and our development team would love to speak to developers building ASP.NET applications. You don’t need to have ever used ANTS profiler – this will be a more general conversation about: - your current site architecture, and how you manage the memory requirements of your applications on your back-end servers and web services. - how you currently diagnose memory leaks and where you do this (production server, or during testing phase, or if you normally manage to get them all during the local development). - what specific memory problems you’ve experienced – if any. Of course, we’ll compensate you for your time with a $50 Amazon voucher (or equivalent in other currencies), and our development team’s undying gratitude. If you’d like to participate, please just drop me a line on [email protected].

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• Disc Drives: An Endangered Species

  - by Jason Fitzpatrick

  More and more computers are shipping sans-disc drive leading many industry watchers to proclaim the optical disc an endangered species on its way out. Do you still use your drive or are you letting the disc go? CNN Tech reports on the trend: Apple’s new iMac, its flagship desktop computer, was released Friday. For the first time, it has no disc drive. This marks a trend that has already begun on some laptops, like Apple’s MacBook Airs, and of course with mobile devices like smartphones and tablets. “Over time, an optical disc will be as much of an historical curiosity as a floppy disk,” said Michael Gartenberg, a tech-industry analyst with research firm Gartner Inc. According to Apple, where sleeker, thinner designs are always en vogue, dumping the disc drive was a no-brainer. How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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• Enabling DHCP without being connected

  - by Joe Philllips

  I was installing Ubuntu server the other night and I was not able to hook up to the network while installing because I don't have a monitor for my desktop machines. I had to go into the living room and connect to the HDTV instead. This leaves me without network connectivity. When installing it asks how I would like to set up the network. I would like to enable DHCP but it tries to detect a gateway when I do this and obviously it doesn't find anything. It won't let me move on without setting up an IP manually at that point. Isn't there a way I can enable DHCP for the next time it boots up instead? Why the need for it right then and there?

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• Unwanted application starts automatically when I login

  - by Bakhtiyor

  When I log in to my Ubuntu system several applications that I added to startup list (by using System-Preferences-StartUp Application) start automatically. Last times I am seeing that among those startup applications there is also another one called "Konqueror" (which is a browser and browse me automatically http://unix.stackexchange.com/users/4458/bakhtiyor) which starts automatically. But I didn't add this application to startup list. I looked for every place that I knew to see why it was loading automatically but I could not find it. Could anybody help me to find out how that application is starting up automatically when a session starts please? Note that I don't have root permission in my system, because it is in my working place. I am using Ubuntu Desktop and GNOME. Thank you.

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• Placing newly opened windows while having a window maximized?

  - by Wauzl

  I'm often working in a maximized window from which I'm opening new windows, that do not appear maximized. They are placed at the very top at the desktop in the way that I can not see the upper window decoration. The upper dock of the maximized window is in front of it. This is very unhandy, because I can not easily close or move the newly opened window. Is there a way to fix this behaviour? I played around with the Place Windows plugin in compiz but it didn't work at all. Greetings, Wauzl

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• Cannot sleep/standby in Ubuntu 12.04

  - by mstaessen

  Yesterday, I installed Ubuntu 12.04 Desktop i386 on my netbook (HP Mini 311c). I am unable to use the sleep mode. When I press the suspend button (or do sudo pm-suspend), the screen flickers but the computer does not power off. Even worse, the screen comes back up and I'm back where I left off. Hibernating does work (although it is not available in Power Management). I have to use pm-hibernate to make that work. I'm using the 3.2.0.20 kernel and Gnome 3.3.92 (Unity, especially compiz, is a resource hog). Before Ubuntu 12.04, I was using Mint Linux 12 with the 3.0 kernel and everything worked fine back then. Any help is much appreciated because this is driving me crazy.

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• Evolution has no access to couchdb

  - by berkes

  Evolution gives the error "Cannot open addressbook". "We were unable to open this addressbook. This either means you have entered an incorrect URI, or the server is unreachable". "Details: Operation not permitted". (rough translation from Dutch). Enabling verbose logging in (desktop)couchdb tells me roughly the same: [info] [<0.7875.1>] 127.0.0.1 - - 'PUT' /contacts/ 400 [debug] [<0.7875.1>] httpd 400 error response: {"error":"invalid_consumer","reason":"Invalid consumer (key or signature method)."} It seems that evolution tries to fetch the contacts, then couchdb denies access, and then evolution fails to do a proper oauth. This is on Ubuntu 10.10, with its default dektopcouch 1.0.1. Any hints on where to start would be most appreciated :)

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• Automatically kill a process if it exceeds a given amount of RAM

  - by chrisamiller

  I work on large-scale datasets. When testing new software, a script will sometimes sneak up on me, quickly grab all available RAM, and render my desktop unusable. I'd like a way to set a RAM limit for a process so that if it exceeds that amount, it will be killed automatically. A language-specific solution probably won't work, as I use all sorts of different tools (R, Perl, Python, Bash, etc). So is there some sort of process-monitor that will let me set a threshold amount of RAM and automatically kill a process if it uses more?

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• How to Take Control and Customize Google Calendar Reminders

  - by Justin Garrison

  Google calendar has great flexibility with reminders, but the defaults are often useless without tweaking the settings. Here are some common notification settings you may want to change to suit your needs better Latest Features How-To Geek ETC How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? How to Use and Master the Notoriously Difficult Pen Tool in Photoshop HTG Explains: What Are the Differences Between All Those Audio Formats? How To Use Layer Masks and Vector Masks to Remove Complex Backgrounds in Photoshop Hack a Wireless Doorbell into a Snail Mail Indicator Enjoy Clutter-Free YouTube Video Viewing in Opera with CleanTube Bring Summer Back to Your Desktop with the LandscapeTheme for Chrome and Iron The Prospector – Home Dash Extension Creates a Whole New Browsing Experience in Firefox KinEmote Links Kinect to Windows Why Nobody Reads Web Site Privacy Policies [Infographic]

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• Booting briefly shows CLI login and then black

  - by lepusfelix

  When I boot to Ubuntu on my dualboot system, it appears to boot normally, up to the point when I would normally expect to see the lightDM graphical login screen. However, I see a CLI login screen, which I assume is tty1. Before I get a chance to actually login to it, though, it drops to a black screen with a flashing cursor. Pressing ctrl+alt+f1 does nothing. When I hit the power button on the laptop, I see the usual scrolling text as Ubuntu shuts down. I know that this is related to me having installed the proprietary ATI drivers for the video card. Purging the drivers gave me back a GUI, but unfortunately no working desktop environment, and switching to the mesa drivers returned me to the black screen issue. The only way I can get a stable working CLI is through booting to advanced options and choosing a root shell prompt, as even the failsafe X session doesn't function for me.

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• WWW.yoursite.com or HTTP://yoursite.com which one is futureproof?

  - by Sam

  http://yoursite.com www.yoursite.com http://www.yoursite.com yoursite.com Which of these would you choose as your favourite to work with, if you were to make a site for 2011 and beyond, which domainname would you provide to clients, websites linking to you, your letterhead, contact cards. Why one OR other? Which to avoid? Thinking of the following aspects: validity, correctly loading URL audience, most geeks know http://, most seniors/clients don't easiest to remember / URL as a brand misspellings by user input (in mobile phone or desktop browser) browsers not understanding protocol-less links total length of chars for easy user input method of peferance by major search engines/social media sites consistency sothat links dont fragment but all point to the same

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• after i typed in my username then it just quit the window and do nothing

  - by Bosco S. Chan

  I have a vaio VGN-FJ270P/B laptop which originally installed a windows xp professional in it. Last week, i had enough about the speed of windows and bought a brand new fresh SSD [M5S 128GB] and 2 new RAMS [1GB x2]. And i used my desktop to install a LiveUSB and downloaded the latest ubuntu and installed it [Universal USB Installer + Ubuntu 12.04.1]. All seems find through partition and typing my username and password. just after i typed in my password, i pressed continue and then it pop-up the window about choosing the profile picture for my account and it immediately disappear and went doing nothing. What's happening with it? any help would be appreciate...! Thanks!! Bosco

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