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• Dell Inspiron touchpad not working

  - by Bobby

  I own a Dell Inspiron on which I installed 12.04 on. Everything was working great up until a couple of weeks ago when the Touchpad stopped working. It doesn't show up in mouse/touchpad settings either. I was wondering if anyone has had the same problem with 12.04 and was able to fix it. I am a noob when it comes to computer code and stuff like that, so please try to keep the answer noob proof. Also, does anyone know if the guys behind Ubuntu will have an update to fix this problem?

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• Running Windows 98 in 2013 with Modern Apps and Web

  - by Akemi Iwaya

  Do you ever have those moments when curiosity for the sake of fun gets a hold on you? Perhaps that curiosity gets focused on computer-related “what ifs” such as how well would a very old operating system handle being used with today’s modern apps and web? Nazmus Shakib Khandaker decided to find out how well Windows 98 could and would do in 2013. Have you tried something similar to this? Do you know of any individuals who are holding on to an older operating system no matter what? Share your experiences in the comments! Running Windows 98 in 2013 with Modern Web and Apps [YouTube]     

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• Screen Lag/Running Slow

  - by Nick M

  I am having trouble with Ubuntu 12.10. Everything is working fine, although there is a slight problem. It seems to lag every once in a while, as in I will move the mouse, then about two seconds later the cursor will actually move on the screen. Is there any way to fix this? This is my first day using Ubuntu and I put it on a computer I built myself. I don't have much experience so a detailed answer would be very much appreciated.

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• Microsoft launches two new Data Centres for Azure in US to meet growing demand

  - by Gopinath

  In order to meet the growing demand for Windows Azure in US, Microsoft has launched two new data centres in US – East US and West US. With the addition of these two data centres the number of Azure data centres across the globe has grown to 8 and 4 among them are located in US. The two new data centres are providing Computer and Storage resources and few enthusiastic customers already deployed their applications. The other services like SQL Azure and AppFabric will be offered by these data centres in the coming months. The addition of new data centres is a good sign to Microsoft as the customer demand for their Cloud offering is growing. Amazon Web Services is the pioneer in Cloud Computing and they offer wider range of Cloud Services compared to Microsoft. Source: Windows Azure Blog

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• Battle Zombies on Your Desktop with the Dead Island Theme for Windows 7

  - by Asian Angel

  Do you love battling zombie hordes? Then welcome to Banoi Island where a Zombie outbreak has just occurred and you must race against time to save the other survivors and yourself! The theme comes with eight wallpapers full of zombie fighting goodness to help turn your desktop into the perfect battleground. The theme is available in the following aspect ratios: 4:3 Aspect Ratio Resolutions: 1600*1200, 1280*960, 1152*864, 1024*768 16:9 Aspect Ratio Resolutions: 1920*1080, 1600*900, 1366*768, 1360*768 16:10 Aspect Ratio Resolutions: 1920*1200, 1680*1050, 1440*900, 1280*800 Download the Dead Island Theme for Windows 7 [7 Tutorials] How to See What Web Sites Your Computer is Secretly Connecting To HTG Explains: When Do You Need to Update Your Drivers? How to Make the Kindle Fire Silk Browser *Actually* Fast!

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• Deleted windows partition, now I can't get into Ubuntu

  - by Alejandro

  Back story: I installed ubuntu with wubi. I had windows on one NTFS partition, then I made a new NTFS partition in which I put wubi in and where My ubuntu OS was born. Eventually I moved /home into another partition and made a swap partition, but I digress. I deleted My original NTFS partition where windows is not thinking it would not matter but now I can't get into ubuntu. And the weird thing is that when I boot my computer I still see the option to boot into both windows and ubuntu. When I try to boot into windows, It tries to fix stuff and never succeds. When I try to boot into ubuntu, it shows me "cannot find GRLDR in all devices. Press CTRL+ALT+DELETE to restart". so, what do you guys think? I just want ubuntu running again, with all my stuff in /home there and all my system preferences how I like them.

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• How to get interest in programming especially in java and android [closed]

  - by aditi

  I am new in this community. I just completed my Btech in Computer science, I have interest towards programming especially java. I started studying java but i am little bit slow in logic and understanding the concepts. I have some good books of java but when doing the program i am losing my confidence because of the logic issues. I have some doubts How can i improve my logical and coding skills HOw to get more and more interest in programming (like i heard about some programmers who are geeks, i mean programming machines). Is there any shortcut for studying programming Please provide some suggestions as i knew this forum has lots of good programmers. Please share ur thoughts and how you people improving ur logics. Any help is appreciated

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• Unable to recognize hard drive after replacing a drive

  - by Peter Schriver

  I have a Poweredge 830 that I had been using with 1 OS Sata drive and 3 data drives. One of the drives had some failing sectors so I replaced it with a different drive. For some bizarre reason the computer would not reboot so I disconnected all of the media drives and did a clean reinstall on the OS drive. Only the boot drive and one of the media drives are now recognized by my Bios. Drive 0 and 2. Drive 1 and 3 are listed in the Bios as "Unkown Device" Any help would be appreciated I think there may be something wrong with the install. For some reason when I attempt to change the display it says I have a laptop.If you think a reinstall is in order I will try that.

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• Ubuntu Server 12 HD full

  - by julio

  I have a server with Ubuntu Server 12, today it stops some services and I found some comments about full disk, so I made a df -h S.files Size Used Disp Use% /dev/mapper/ubuntu-root 455G 434G 0 100% / udev 1,7G 4,0K 1,7G 1% /dev tmpfs 689M 4,2M 685M 1% /run none 5,0M 0 5,0M 0% /run/lock none 1,7G 0 1,7G 0% /run/shm /dev/sda1 228M 51M 166M 24% /boot overflow 1,0M 0 1,0M 0% /tmp Then I tried to delete some files but I made it from a windows remote computer just right clic and "delete" option on files, but HD still full. Is in Ubuntu Server any Trash file or what could be happeing?

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• Batch file to Delete Old Virtual Directories.

  - by Michael Freidgeim

  On some servers we have many old Virtual Directories created for previous versions of our application. IIS user interface allows to delete only one in a time. Fortunately we can use IIS scripts as described in How to manage Web sites and Web virtual directories by using command-line scripts in IIS 6.0 I've created batch file DeleteOldVDirs.cmd rem http://support.microsoft.com/kb/816568 rem syntax: iisvdir /delete WebSite [/Virtual Path]Name [/s Computer [/u [Domain\]User /p Password]] REM list all directories and create batch of deletes iisvdir /query "Default Web Site" echo "Enter Ctrl-C  if you want to stop deleting" Pause iisvdir /delete "Default Web Site/VDirName1" iisvdir /delete "Default Web Site/VDirName2" ...   If the name of WebSite or Virtual directory contain spaces(e.g  "Default Web Site"), don't forget to use double quotes. Note that the batch doesn't delete physical directories from flie system.You need to delete them using Windows Explorer, but it does support multiple selection!

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• GNU GRUB version 1.99-21ubuntu3, DOES NOT WORK!

  - by Arthur

  I'm new to Ubuntu, I installed it but when I try to start it, tells me that I need to run commands from bash-like and they can be shown by tab, when I press tab shows me the commands but then I type them and nothing happens, I have to reset my computer and the same thing goes on. This is what it says: GNU GRUB version 1.99-21ubuntu3 Minimal bash-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists possible device or file completions. And nothing happens from there, can you tell what I need to do now? THANKS AGAIN!

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• Good PPA for ffmpeg

  - by teeks99

  Its annoying that the default ffmpeg in ubuntu's repositories is outdated and hobbled for legal reasons, however, there's a great page on the forums that walks you through building it from scratch: http://ubuntuforums.org/showthread.php?t=786095 (I also add in support for --enable-libdc1394 --enable-libgsm --enable-libopenjpeg --enable-libschroedinger --enable-libspeex when I build, which is nice, but not essential.) Anyway, I'm getting set to setup a computer lab running ubuntu for a multimedia class I'm teaching, and I was wondering if there was PPA out there that did something similar to what is available when building from scratch. The things I absolutely need from it are up-to-date libxvid, libx264, libfaac, and libmp3lame support plus the un-encumbered stuff (vorbis, theora, vpx). Is there a PPA out there that provides something like this?

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• Unmounted disk still spins up regularly

  - by Erik Johansson

  I just added a disk, with partitions but none of them are mounted. The disk will still spin up every now and then. it goes like this: ### disk spins up hdparm -Y /dev/sdb;date /dev/sdb: issuing sleep command 9 feb 2011 23.37.08 CET ### disk spins up hdparm -Y /dev/sdb;date /dev/sdb: issuing sleep command 9 feb 2011 23.46.12 CET Also it always spins up when I shut down the computer. Any tips are welcome, e.g. how can I figure out which process is accessing the disk, are there any daemons doing this? I know it isn't a cron job.

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• What types of programming require practical category theory?

  - by Alexander Gruber

  Category theory has applications in theoretical computer science and obviously is central to abstract mathematics. I have heard that it also has direct practical applications in programming and software development. What type of programming is practical category theory necessary for? What do programmers use category theory to accomplish? Please note my use of "necessary" and "require" in this post. I realize that in some sense most programmers will benefit from having experience in different types of theories, but I am looking for direct applications where the usage of category theory is essential, i.e. if you didn't know category theory, you probably couldn't do it. Also, I'd like to clarify that by "what type of programming," I am hoping less for a broad answer like "functional programming," and more for specific applications like "writing bank software" or "making operating systems."

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• No keyboard input until after GRUB

  - by Dave M G

  I have a computer that I dual boot between Ubuntu 11.10 and Windows 7. I installed Windows first, and Ubuntu second. When I boot, the GRUB menu comes up, showing me the option to select to boot to Ubuntu at the top of the list, and to boot to Windows at the bottom. Unfortunately, as far as I can tell, any key I press on the keyboard (connected by USB) does not get any response, so I can't actually select to boot to anything but Ubuntu (which is the default selection). Once Ubuntu loads and I am at the log in screen, then the keyboard (and mouse) work perfectly normally thereafter. Why would my keyboard not work only during GRUB? And how do I fix it?

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• Languages/Methods to Learn for Scientific Computing?:

  - by Zéychin

  I'm a second-semester Junior working towards a Computer Science degree with a Scientific Computing concentration and a Mathematics degree with a concentration on Applied Discrete Mathematics. So, number crunching and such rather than a bunch of regular expressions, interface design, and networking. I've found that I'm not learning new relevant languages from my coursework and am interested in what the community would recommend me to learn. I know as far as programming methods go, I need to learn more about parallelizing programs, but if there's anything else you can recommend, I would appreciate it. Here's a list of the languages with which I am very experienced (web technologies omitted as they barely apply here). Any recommendations for additional languages I should learn would be very much appreciated!: Java C C++ Fortran77/90/95 Haskell Python MATLAB

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• Partitioning: SSD + HDD Encrypted

  - by wegsehen

  I have a new computer and thinking about partitioning. Situation is this: 60GB SSD 1TB HD On my laptop I'm using full encryption but what do you suggest for encryption? I heard, encryption is bad for SSDs. So I first thought of making SSD / and HDD als /home/ but then I'd be losing advantages of the SSD. Because all config-files would be on the HDD. Other way would be: SSD: / 15 GB unencrypted /home encrypted HDD: 1TB and store Pictures & Music on HDD and link the folders. But that would leave my personal files unencrypted. Also what's about SWAP? What would you suggest for partitioning?

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• How did Ubuntu know my WPA Key?

  - by nebukadnezzar

  I've recently moved my /home to another computer (keeping all configuration files), with a fresh installation of Ubuntu 10.10. After Installation I've installed wicd and ndiswrapper, to get my Internet Connection up and running. However, after changing /etc/network/interfaces from auto lo iface lo inet loopback To auto wlan0 iface wlan0 inet dhcp and running sudo /etc/init.d/networking restart to get wlan0 set up, wicd just suddenly connected... to my modem. Without supplying any information about the modem whatsoever. Of course wicd creates a local directory at ~/.wicd/, but that directory is empty, and the temporary global configuration at /var/lib/wicd/configurations/ didn't exist due to fresh installation of ubuntu. So what's the deal? Where did wicd get the ESSID and the WPA Key? There hasn't been any activity in this question, but it's still open (and even worth some rep)!

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• How to describe the profession [closed]

  - by Michael Kjörling

  Possible Duplicates: How to explain programming to a non-programmer? Getting non-programmers to understand the development process I was asked a question today that made me think. Here's a middle age person who apparently knows nothing about computers besides this specific application they use (I actually suggested to use Calculator, rather than hunt around the whole office for a hand-held one which had mysteriously vanished, and the fact that the computer could be used for such tasks was apparently news), asking me to explain what programming is about. In general. I tried, but am not sure I managed very well. But it got me thinking. What would be a good way to describe programming, or more generally speaking systems development, to a person like that? How have you responded being put in a similar situation?

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• How Did we get from CLI to Graphics?

  - by Nathaniel Bennett

  I'm confused when looking into graphics - specifically with operating systems. I mean, how can a computer render a CLI/console along with a GUI. GUI's are completely different from Text. and How Can we have GUI windows that Display Text interfaces, ie how can we have CLI in modern Graphics Operating system - that's what I'm mainly trying to grip on to. How Do Graphic's get rendered to display? is there some sort of memory address that a GPU access which holds all pixel data, and there system's within OS's that Gather the pixel position of Windows and Widgets, along with the Z Index and rasterize them to that memory address, which then the GPU loads to the screen? How About the CLI's integrated with Graphics? how does the OS Tell the GPU that a certain part of the screen wants to display text while the rest, whats to display pixel data? it's all very confusing. Shed some light in it, will ya?

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• Only recognizes one of multiple partitions on SD card

  - by Jay Ngo

  Hello everybody, I split my sd card into 2 partitions. When i use usb-card-reader to read my sd card, only the one partition shows up on the screen, the other doesn't. I have run the command "sudo fdisk -l" and the result is the same, only one partition is recognized. But i do believe both partitions of my sd card work fine, because i still can boot my single-board computer with that sd card and run some programms, which are inside that unreadable partition. How can i access both partitions of my sd card? Does anyone know how to solve this kind of problem? I really appreciate your help.

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• Balancing game difficulty against player progression

  - by Raven Dreamer

  It seems that the current climate of games seems to cater to an obvious progression of player power, whether that means getting a bigger, more explosive gun in Halo, leveling up in an RPG, or unlocking new options in Command and Conquer 4. Yet this concept is not exclusive to video or computer games -- even in Dungeons and Dragons players can strive to acquire a +2 sword to replace the +1 weapon they've been using. Yet as a systems designer, the concept of player progression is giving me headache after headache. Should I balance around the players exact capabilities and give up on a simple linear progression? (I think ESIV:Oblivion is a good example of this) Is it better to throw the players into an "arms race" with their opponents, where if the players don't progress in an orderly manner, it is only a matter of time until gameplay is unbearably difficult? (4th Edition DnD strikes me as a good example of this) Perhaps it would make most sense to untether the core gameplay mechanics from progression at all -- give them flashier, more interesting (but not more powerful!) ways to grow?

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• Problem with installing programs

  - by Brian Buck

  I am unable to install programs for the Ubuntu 10.10 system. These download ok, but when attempting to install them, the following message is displayed: AN ERROR OCCURRED WHILE OPENING THE ARCHIVE END-OF-CENTRAL-DIRECTORY SIGNATURE NOT FOUND etc....... ZIPINFO: CANNOT FIND ZIPFILE DIRECTORY IN etc...... As I am new to Ubuntu and also fairly "green" as far as computer terminology is concerned, I have no idea what this means and don't have a clue on how to fix it. Can you help please? Many thanks, Brian Buck

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• Creating practically solvable 15 puzzle inputs

  - by Ashwin

  I am now developing a 15 puzzle game. I know the method to detect unsolvable puzzles. But unlike 8-puzzle, solution for 15-puzzle takes quite long time for some input states and can be solved within 5 seconds some other set of input states. Now the problem is that I cannot give the user(the player), a problem for which the solution takes more than 10 seconds(if he/she chooses to see the solution). So what I want is that when I initially shuffle the puzzle, I want to only present those puzzles which can be solved within 10 seconds. There must be some way to determine the hardness of the puzzle. I tried searching the net but could not find it. Does anyone know a way of determining the hardness of a puzzle? NOTE : I am using A* algorithm to find out the solution on a computer with 3GB RAM and 2.27GHZ processor.

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• Lenovo B570 doesn't boot after installation

  - by Alan

  I install my Ubuntu 11.10 64 Bits in my Notebook Lenovo B570. (I remove Win 7). I have no problems to install. But at finish, when it start, it wont boot. It search for another boot device (Network, CD/DVD). Maybe it issue is about SCSI Hard Drive. I try in BIOS set compatible mode SCSI/ATA. It try locate another boot (Networks, CD/DVD). I try to enable compatible mode in BIOS SCSI - SATA and reinstall again. "Will ubuntu be the only os on your computer or is there a 2nd os?" A:Yes. I remove Windows 7 and use All disc to Ubuntu.

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