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• Working on a virtual machine as a developer

  - by Johnny000

  In the company I'm currently working in, they decided that each developer will move to a VM desktop (Citrix/WinServer2012) an develop/test from there with restricted/no rights to install new software. The Server we will be working on are in a remote Datacenter. So i.e. if for some reason or another the internet brake down, we can't work till the connection is up again. As a developer I don't want to use windows as OS for my working/development environment as there is no need because we don't develop OS specific software. What good points could I raise in an argumentation against moving to the VMs beside the loss/restriction of freedom and the loss of connection to the internet?

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• Howto overlay subtitles onto video using avconv?

  - by hatterman

  I am using the following script to overlay a dvdsub stream and a video stream; avconv -i input.mkv -i subtitles.sub -filter_complex "[0:v:0][1:s:0]overlay[vid]" -map "[vid]" -s hd720 -sws_flags lanczos -vcodec libx264 -crf 20 -preset medium ~/Desktop/test.mkv I get the following error ; Stream specifier ':s:0' in filtergraph description [0:v:0][1:s:0]overlay[vid] matches no streams. No matter what I do I just cannot get this to work. Can any one tell me how to 'burn-in' subtitles using avconv (or ffmpeg) ?

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• Does dist-upgrade require PPA software to be uninstalled first?

  - by seb

  Hi all, I'm still running Ubuntu 10.04 with quite a few PPAs. Amongst the PPAs there is Guiodic (Guido Iodice) Lucid quasi-rolling :) PPA which brings most recent versions of many programs to my desktop. My steps: sudo update-manager -d click on upgrade on the appearing window wait for the magic to happen: prepare to upgrade and setting new software channels during 'calculating the changes' I will get the following error message in the panel An error occurred, please run Package Manager form the right-click menu or apt-get in a terminal to see what is wrong. The error message was: ' Error: Marking the upgrade (E:Error, pkgProblemResolver::Resolver generated breaks, this may be caused by help packages.)'This usually means that your installed packages have unmet dependencies When I check Synaptic/apt-get I can't find any errors or hint toward broken packages Could this error be because of many PPA versions being newer than 10.04 original versions?

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• BlueStacks Android App Player Now Available for Macs

  - by Jason Fitzpatrick

  Last year we showed you how to setup BlueStacks on your Windows machine in order to enjoy Android apps on your PC desktop; now BlueStacks is available for Mac OS X with that same cross-platform Android goodness. The Mac version functions much the same as the PC version, if you’re interested in the Mac version be sure to check out our detailed guide to setting up the PC version. BlueStacks for Mac [via TUAW] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• What is the application that displays notifications in Lubuntu 12.04 and how to remove it?

  - by cipricus

  I get all the time notifications in the upper right corner and as a tray icon for all kind of actions, especially downloads. What app is that in Lubuntu? (it is not notify-isd) Is it possible to set what notifications to see? If not, how to remove this completely? Update edit: Removing notification-demon (that being it seems the culprit, as an answer suggests) involves removing some important applications: Lubuntu-desktop is a metapackage I guess. But what about removing deluge and update-notifier? Can I add these back without getting back the notifier?? I do not want in any case to remove these two.

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• Virtual Developer Day: Oracle WebLogic Server & Java EE (#OTNVDD)

  - by Justin Kestelyn

  Virtual Developer Day is back with a vengeance! On Feb. 1, login to learn how Oracle WebLogic Server enables a whole new level of productivity for enterprise developers. Also hear the latest on Java EE 6 and the programming tenets that have made it a true platform breakthrough, and get hands-on with our VirtualBox virtual machine image! Even better, you never have to leave your desk - you'll get access to live sessions with chat support, and even 1-1 desktop sharing upon request. It's a no-brainer, get registered!

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• How to Access Metro Apps from Windows Explorer in Windows 8

  - by Taylor Gibb

  Windows 8 comes with its new Metro Start Screen, which makes it easy to launch your Metro apps from that screen, but did you know you can access them from Windows Explorer too? Here’s how to do it. To get started you need to create a shortcut, so right-click on the desktop, and choose New –>  Shortcut. When you are asked for the location of the item, use the following: 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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• What are the packages/libraries I should install before compiling Python from source?

  - by Lennart Regebro

  Once in a while I need to install a new Ubuntu (I used it both for desktop and servers) and I always forget a couple of libraries I should have installed before compiling, meaning I have to recompile, and it's getting annoying. So now I want to make a complete list of all library packages to install before compiling Python (and preferably how optional they are). Off the top of my head I can remember these: build-essential (obviously) libz-dev (also pretty common and essential) libreadline-dev (or the Python prompt is crap) But I know there are many more. Please tell me and I'll update.

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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 do I provide arguments to an application launcher in kde?

  - by bobdobbs

  So I can create launchers in a quicklaunch thing on the kde desktop. The launchers are easy to create, and work most of the time. What I haven't figured out, is how to pass arguments to the applications that I want to launch. I want to launch the firefox profile manager and I also want to add a launcher for an emacsclient frame. For emacsclient, I've tried these: emacsclient -c "emacsclient -c" 'emacsclient -c' None of them work. When I click the launcher, the tiny emacs logo appears attached to the mouse pointer, and stays there for at least a couple of minutes, but no new frame opens. So, how can I actually open an emacsclient frame, or any other application with an argument from quicklaunch?

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• Where can I find "magic numbers" for classic game play mechanics?

  - by MrDatabase

  I'd like to find some "magic numbers" for the classic helicopter game. For example the numbers that determine how fast the helicopter accelerates up and down. Also perhaps the "randomness" of the obstacles (uniformly distributed? Gaussian?). Where can I find these numbers? p.s. I don't care about the particular platform... Flash on the desktop browser is just as good as some implementation on a mobile device.

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• 12.04 64 bit: Keybord not responding for about 20 seconds at startup/beginning of session

  - by Danilo

  I am running Ubuntu 12.04 64bit. When I get at the login screen and try to type the password for my user, I cannot type anything for about 20 seconds. After that, the keyboard starts responding and everything works fine. Mouse is responding normally as well as all buttons of the login interface (time/calendar, session selection (Unity/Unity 2D), etc.). What could be the reason for this behavior? How can I solve this temporary freeze of the keyboard so that I can type my password immediately without having to wait each time? Thanks for your time. EDIT: I tried auto login, but the problem is still there: the Desktop loads but even there, if I try to type something in the dash or anywhere else, I must wait about 20 seconds before I can actually start typing. Can the issue be related to some keyboard modules that get loaded little bit "too late"?

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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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• How to copy existing movie files on ipad to watch?

  - by Rob Van Dam

  I have an iPad and a desktop running Ubuntu 12.04 with lots of movie files of various formats (avi, mp4, m4v, etc). Is it possible to transfer those files from within linux directly to the iPad (without using iTunes to sync) over USB and then play those movies on the iPad without reformatting/resizing all of them? I've used iTunes in a Windows XP virtualbox instance with other iOS mobile devices before but I would prefer a pure linux approach if possible. (I'm creating this question so that I can share the solution I found because I failed to find a simple, satisfactory answer elsewhere).

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• How can I recover from a frozen app when connecting over VNC

  - by Pablojim

  I have a htpc running 10.10. It has no keyboard or mouse attached, so I connect over vnc for administration and manual tasks. This usually works fine but every so often an app running in fullscreen mode crashes. All I want to be able to do is kill this app from VNC. Is there a keyboard shortcut to do this that will preserve the VNC connection? If I use CTRL + ALT + F1, I see the terminal but can no longer control it from VNC. Trying to return to the desktop doesn't work either? Any easy process I can follow?

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• BlueStacks Joins Forces with AMD; Launches AMD-only Enhanced Android App Launcher

  - by Jason Fitzpatrick

  Last fall we showed you how to run Android apps on your Windows PC with BlueStacks. Now BlueStacks has partnered with AMD to offer even better Android emulation on AMD-powered Windows machines. Check out our original overview and installation guide for BlueStacks to get a feel for what you can do with the app. If you’re sporting an AMD CPU, hit up the link below to check out the AMD AppZone to grab some of the thousands of Android apps you can enjoy on your desktop. AMD AppZone: Android [via Gigaom] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• window borders, menu bar missing over VNC

  - by zacaj

  I'm running Ubuntu 14.04 with Unity and Gnome3, however I don't have a screen hooked up anymore. I have installed x11vnc and run it with "-create" so that it will create a new X11 session, however when I VNC to it, the menu bar, window borders, etc are missing, windows are ordered based on creation time, and cannot be resized. Now, I don't really care if I end up with Ubuntu or Gnome's window manager, as long as this doesn't mess up my normal desktop stuff if I should happen to hook a monitor up again, and I'm not even attached to x11vnc if someone can point me to a good complete tutorial using something else, but I've been trying vino and tightvnc and rdp and x11vnc is the only one I've managed to get this far.

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• Multiple Monitors using nvidia-prime or bumblebee on Ubuntu 13.10

  - by user205626

  I've been unable to get multiple monitors to work with Ubuntu 13.10 using nvidia-prime or bumblebee. Could someone point me in the right direction? With nvidia-prime, I've tried the xorg.conf here http://us.download.nvidia.com/XFree86/Linux-x86/319.12/README/randr14.html, but I boot into "low graphics" mode and have to revert to get a desktop back. Any suggestions would be appreciated. Thanks. Edit: I've given up on nvidia-prime; I missed the fact that it never turns off the discrete card... So, I'm back to trying to get VIRTUAL displays working with Bumblebee.

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• How Often do You Change E-mail Addresses? [Poll]

  - by Asian Angel

  Recently we ran across an article about a man who consistently changes his e-mail address every 20 months. Why? To throw off spam. With that in mind we became curious and decided to ask how often you change your e-mail addresses… Everyone has their own method for dealing with the bane known as spam whether it is heavy filtering, separate accounts to catch possible spam activity, abandoning swamped accounts, etc. Here is your opportunity to share how you deal with spam, protect your accounts, and to voice your thoughts regarding consistent timed changes to new accounts as mentioned in the article linked to below. How-To Geek Polls require Javascript. Please Click Here to View the Poll. How Frequently Do You Change Your Email Address? [Apartment Therapy] 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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• How can I autoclean my gnome main menu?

  - by Bruce Connor

  I like to experiment with lots of different software in my Ubuntu install. Then, every time Ubuntu reaches a new release cycle, I simply do a clean install (instead of upgrading) to get rid of all the extra software (and their respective config files/folders). The only thing I always backup and carry to the next install (besides personal files) are the config files for gnome, so my desktop is always the way I like it. =) The problem with that, is that the different packages I test out never get properly uninstalled, so my gnome main menu is full of broken links referring to software I had in previous installations (which got carried over because I kept the gnome config files). Is there any automated way to go through my gnome main menu and remove any broken links? I know how to manually edit the menu, and I could go through it myself, but I'm looking for some script or package that will clean for me so I wouldn't have to do it manually every release cycle.

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• Paramount Pictures Movies Dynamic Theme for Windows 7

  - by Asian Angel

  Would you like to have all of the latest movie wallpapers from Paramount Pictures delivered straight to your desktop? Then this is the theme you are looking for. This dynamic RSS-fed theme brings you the latest wallpapers from movies such as Thor, True Grit, Kung Fu Panda 2, Super 8, and Transformers 3. Download the Paramount Pictures Movies Dynamic Theme [Windows 7 Personalization Gallery] You can learn more about Microsoft’s dynamic themes here: RSS-fed dynamic themes FAQ How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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• permission denied errors while starting namenode in hadoop 2.2.0

  - by Riddle

  I recently installed hadoop2.2.0 on my desktop running : Linux livingstream 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Lin I am able to format the namenode just fine , however when I start the namenode using the following command: hadoop-daemon.sh start namenode I get the following permission errors , can anyone please help me with these errors: hduser@livingstream:/usr/local/hadoop$ hadoop-daemon.sh start namenode mkdir: cannot create directory `/var/run/hadoop': Permission denied starting namenode, logging to /var/log/hadoop/hduser/hadoop-hduser-namenode- livingstream.out /usr/sbin/hadoop-daemon.sh: line 138: /var/run/hadoop/hadoop-hduser-namenode.pid: No such file or directory Can you please help me with these errors. Best Regards, Ishan

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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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• Why is Ubuntu unmounting my primary hard drive?

  - by Twisol

  I'm running Ubuntu 10.10 on my laptop (an Asus G73j), dual-booting Windows 7 if that matters. After using the computer for couple of hours or so, I get a popup complaining that a file was unmounted, then my GNOME desktop panels disappear. I can't save any unsaved work (the file browser shows "Filesystem" as totally empty), and other programs break in odd ways (like Chrome can't browse to any new pages, but keeps current ones going... at least I still have Pandora to listen to when this happens!). I've tried looking in the system logs to no avail; I'm assuming that it can't write any errors to the logs because, of course, the logs are on the primary hard drives. This started happening maybe a few days ago. Yesterday I upgraded from 10.4, but I believe it was happening before then. Any advice for figuring this out?

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