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  • Why Can't Computers Off My Network See the Site? [migrated]

    - by nmagerko
    Have just set up Apache, PHP, MySQL, etc. on my Ubuntu OS, and I was wondering why computers that are not on my network can not see the basic index.html that Apache uses as the default. I set up the static ip address for my computer, and I use 192.168.1.100 for computers to view the simple site. Is there something I am missing that will allow others to access my site? (It is REALLY simple; no graphics, CSS, etc.)

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  • Help with Grub2 needed post 13.10 updgrade. Grub sees my opensuse12.3 but when selected hangs with black screen.

    - by sean farley
    This happened on last upgrade and I reinstalled opensuse. I want to avoid that this time. When opensuse controlled grub the options to boot either OS worked fine. The ubuntu one will not work. Are there grub settings I can change to get this working? Would it be better to get the opensuse grub to load, if so how can I do this. i can see the opensuse root and home directories from ubuntu (they are on a separate HDD) Thanks

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  • Ubuntu hanging problem

    - by JMearsXS
    I have a problem with ubuntu 12.04 LTS on my custom tower pc in which the OS hangs at specific points:- - live usb with persistence: hangs when mouse appears. - installed to hard disk: hangs after login, logon sound never plays. i am a relative newbie with linux so any terminal output would not make sense to me :) the pc specs are as follows: - MSI MS-7301 Cuba motherboard - 3GB DDR2 RAM (NOT dual channel) - ATI Radeon HD 5450 gfx card the live usb works fine on all other PC's i tried it on. could any one help me ?

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  • How can I install Eclipse 4 through Ubuntu Software Center (desktop 12.04 64bit)?

    - by quakkels
    How do I install Eclipse 4 through Ubuntu Software Center on my desktop 12.04 64 bit os? The reason I would like to install through Ubuntu Software Center is because it's easy to uninstall the software, and i want to manage all my installed programs through the Software Center. If I have to install through other means, will Eclipse show up in Ubuntu Software Center? Thanks for any help. Update: Clarification I did find Eclipse but it was version 3.7. I'm looking to install version 4.

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  • are there compiler options in clang? [on hold]

    - by Deohboeh
    I am learning from The C++ Primer. One of the exercises is to compile a program with arguments in main(). For this I am trying to use mac terminal. I need to compile a C++11 Unix executable file named "main" which takes “f" as an argument. I am using Xcode 4.6.3 on OS X Lion. I compiled the program with clang++ -std=c++11 -stdlib=libc++ main.cpp -o main. But don’t know what to do next. I found -frecord-gcc-switches while searching compiler options on google. It does what I need to do. Is there a clang version of this? Please use simple language. I have never used command line before. I tried going through the clang user guide but a lot of it is out of my depth.

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  • Fuite des fonctionnalités d'Android 4.2 : nouveau Google Play, gestion du multi-utilisateur et contrôle parental

    Fuite des fonctionnalités d'Android 4.2 : nouveau Google Play, gestion du multi-utilisateur et contrôle parental Google a récemment envoyé des invitations à la presse pour un évènement Android le 29 octobre prochain à New York. Au cours de cet évènement, l'éditeur pourrait dévoiler Android 4.2, une mise à jour mineure de la version 4.1, Jelly Bean. Cette nouvelle a laissé place à des rumeurs qui viennent dévoiler quelques-unes des nouvelles fonctionnalités et améliorations qu'apportera cette version d'Android. Selon le site spécialisé Android Police, la prochaine mise à jour de l'OS mobile de Google apportera une nouvelle version de la galerie d'applications...

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  • How to remove Ubuntu from dual boot system with Windows 7?

    - by user71307
    I wish to remove Ubuntu and I'm not quite sure how. I know it has something to do with partitions. I have 3 partitions. 1. OS [683 GB] 2. Recovery [14 GB] 3. Ubuntu 12.04 LTS (E:) I know it says Ubuntu but when I installed Ubuntu I think I put 14 gigabytes for it so I think its the recovery one but I'm not sure. I could have sworn I put more than 700 megabytes for it. I have googled this and I can't seem to find an answer. Any help would be nice.

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  • Ways to prevent client seeing my code

    - by James Eggers
    I've got a bit of a strange problem.. Basically, I'm building a fairly complex (un-compiled, interpreted) program in Python. I've been working on most of this code for other purposes for a few months, and therefore don't want my client to be able to simple copy and paste it and then try and sell it (it's worth a fair amount). The other problem is that I need the script to run on a server that my client is paying for. Is there any way I can secure a particular folder on the machine from root access, make it so only one particular can access the directory? The OS is Ubuntu.

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  • Develop a small size software using C only for copying same data to multiple external drives simultaneously [on hold]

    - by VSP
    I want to develop a software that can copy the same data to multiple external drives, simultaneously. For example, consider a file Movie and I have 3 external drives to copy it to, and I want to copy Movie to all these 3 drives(these drives can be flash storage or external hard-disk or pen-drive etc. but have one thing in common, i.e. they are all external drives) at the same time, means when I right-click on Movie there has to be 1 option saying Copy to All Drives. It's a sort of mini-project and I want to use C language only. For starting I would like it to work only on Windows OS. What are the requirements of developing this software (not the system requirements but what will I need to develop such a software, like editor,compiler etc.)? I know this type of software must have already been developed but I want to use C language and C Language only. So, is it possible to develop such a software?

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  • Is there a way to play music from a server through the network and have two computers as speakers?

    - by Alvar
    Hi, I have a server (Ubuntu 8.04 server) that I want to use as a music player. I want my laptop Ubuntu 10.04 to be one speaker and my mac pro (mac os x 10.6) to be the other. Okay software is found and setup is done, (thanks for the pictures @JorgeCastro.) all of the softwares in both computers and server is setup how should I continue? http://www.pulseaudio.org/wiki/FirstSteps well if the sound is bad, is there a solution like compressing the sound files before sending them to the speaker? then you could improve sound quality and lower the data stream.

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  • Ubuntu 12.10 installation. Hit or miss Booting

    - by Robert
    I just recently downloaded and installed Ubuntu 12.10. I also completely wiped the laptop. The Ubuntu OS will only boot part of the time but never on the first time. Always, the first start up will automatically go to a purple screen and stay there. At first I waited for 45 minutes and nothing changed. Once I held down the power button to turn it off, I turned it back on to see the Asus screen followed by the grub menu. I can select "Ubuntu" and then there is a white box blinking in the top left corner. Then, it will either keep blinking or transfer to the Ubuntu loading screen(everything works fine if it gets to the loading screen). This has never happened before with prior versions of Ubuntu. Any ideas are helpful. Thanks!

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  • why does our network printer not show up on some of our macs, but does show up on others? [on hold]

    - by peter
    We lost power in our building and now cannot get our HP laser jet 5200 to be recognized by half of our computers. We are all Macs, some running OS 10.7.5 can see the printer, others running 10.7.5 cannot, and those running 10.8.5 and 10.9 cannot. We've re-booted the router, turned off and on printer and macs—no go. The printer displays an IP address (dynamically assigned) but we can't access it. Tried to see it using CUPS—same story, can see it on some systems, not on others. Any thoughts?

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  • Problems after installing Ubuntu LiveUSB on my 2nd HD

    - by user113106
    I decided to create a Ubuntu USB installer using the Universal USB Installer, selecting a Ubuntu 12.10 ISO. I selected my D: drive, my NON-windows7 carrying drive as install. After this I Re-booted my system and my PC began to Run the Ubuntu Boot-startscreen every time I power up the machine, giving errors like this: Root=Unknown I used my girlfriend's laptop to create, on the exact same way, a real! USB Ubuntu installer. Booting from that USB, picking the option Run Ubuntu from this USB I get the following error: http://postimage.org/image/63qkv98c1/ Let's try installing it from that USB to a Hard-Disk: http://postimage.org/image/usqbwymfx/ As I said: I do not have the Option to pick my Boot-section, at this very moment I can only access to the Ubuntu installation and nothing else. I've read about 90% of other Questions that could've been related, but I could not find a solution. BTW I'm running a Acer Aspire 2Quadcore 4gb DDR 2 Ati Radeon HD, 64bit and I've set my Bios OS-usage from Windows to "Others"

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  • Is it normal for 12.04 to occupy almost 4GB?

    - by Grant
    I'm using a ASUS EeePC 901 and have some basic questions/issues. I installed 12.04 on the 4GB drive, selecting the option to erase it before doing so. Immediately after the installation I saw that Update Manager had over 100 updates pending. I attempted to install these, but was told that I had less than 100 MB remaining. Does the OS occupy all the other space? It seems that the best solution is to install 12.04 on the 16GB drive. Is this true? If I do this, what is the best way to erase the 4GB drive afterwards?

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  • Google publie le code source d'Android 4.1, Jelly Bean sera disponible pour les Galaxy Nexus et Nexus S le 26 juillet

    Google publie le code source d'Android 4.1 Jelly Bean l'OS sera disponible pour les Galaxy Nexus et Nexus S le 26 juillet Mise à jour du 10/07/2012 Deux semaines seulement après avoir levé le voile sur Android 4.1 lors de la conférence Google I/O, le géant de la recherche ouvre le code source de Jelly Bean. Étiquetés sous le nom d'Android 4.1.1_r1, les binaires de la prochaine mise à jour majeure du système d'exploitation mobile de Google sont disponibles dans le cadre du projet Android Open Source (AOSP). Une nouvelle qui va ravir les développeurs intéressés par le code source du système, qui pourront le ...

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  • debian (stable), google chrome, sencha and tranparency [closed]

    - by Kim Alders
    I am a bit unsure where to post this, but i guess it should be here, as it has to do with rendering in a browser. We have a sencha touch 1.1 application running in Google Chrome. On mij own computer (ubuntu) there are no problems. On the touch screen attached to a computer running debian-OS, transparency is shown as semi-transparent. It happens on sliders. Sliders have a button on them. This button is rendered bij sencha with CSS. It is NOT an image. Anyone has any idea how to get it 'nice' on debian too

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  • Managing large downloadable content on mobile devices

    - by larromba
    This is a general question of how to best manage large downloadable content on mobile devices. Lets consider a situation whereby a mobile app needs to download a number of very large content items, like HD videos, that are over 500MB but under 2GB. Now, lets assume this content delivery system should be scalable. Would it be a fair assumption that: A reputable cloud service would be needed - if so, what is a reliable and cost effective cloud service for mobile devices based on anyone's experience? Large content downloads should only be attempted over a wifi connection, so the end user doesn't incur large costs, e.g. when travelling. Downloads should carry on in the background if possible, as the user won't want to wait in an app for long periods. If the downloads don't finish, or the OS quits the app, all downloads should carry on when the app is next activated? Are there any other pitfalls anyone may have experienced when managing large content on mobile devices? Thanks.

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  • Google interdit l'accès aux applications Android aux tablettes et livres électroniques, seuls les sm

    Google interdit l'accès aux applications Android aux tablettes et livres électroniques, seuls les smartphones y sont bienvenus Après des discussions enflammées autour de l'AppStore et des politiques parfois douteuses d'approbation des applications d'Apple, c'est au tour de l'Android Market de faire la polémique. Malgré que l'OS Android soit open-source et adaptable sur de multiples appareils (téléphone, tablette, cadre photo, etc.) ; Google excerce un contrôle musclé de son marché d'applications sur lequel il n'accepte que les smartphones. Pour pouvoir accèder à l'Android Market, le mobile doit répondre à plusieurs critères : il doit possèder un écran tactile, le wi-fi, une cméra, etc... La liste est longue.

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  • 12.04 cannot boot from USB

    - by GhostRider
    The HP Pavilion g6 notebook is unable to boot from bootable USB stick created with Linux Live USB Creator. I was able to boot other systems using the same pendrive. I have changed the boot priority using F10. When I restarted, it didn't ask for any message like Press any key to boot from When I press F19, and selected the pendrive from the available options to boot from, while restarting it gives me a message: error while trying to boot selected boot image Though I looked into the possible suggestions here, none of them worked. Looking for any help? EDIT: I was able to fix the first issue, i'e ubuntu could be installed as secure boot option in the bios was not allowing the pendrive or cd/dvd to be detected. Now once i have successfully installed ubuntu 12.04, after the restart i was unable to find it in the os menu for selection and windows8 loaded by default Ubuntu version: 12.04

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  • Can I virtualize a pre-installed Windows 7?

    - by SpashHit
    I am considering buying a new computer with Windows 7 (64-bit) pre-installed. Would it be possible to install Ubuntu (preferably 64-bit) dual-boot on such a machine, and then, using VirtualBox / VMWare, etc. under Ubuntu, make a virtual machine that "points to" the existing Windows 7 OS (without making a copy of it)? Just to be clear... at the end of this process: I would have a machine that dual-booted both Windows 7 (64-bit) and Ubuntu (64-bit). If I choose to boot Ubuntu, I would then have the possibility of running a visualization of Windows 7 within Ubuntu. There would only be 1 copy of Windows 7 on the hard disk.

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  • Delegates: A Practical Understanding

    - by samerpaul
    It's been a while since I have written on this blog, and I'm planning on reviving it this summer, since I have more time to do so again.I've also recently started working on the iPhone platform, so I haven't been as busy in .NET as before.In either case, today's blog post applies to both C# and Objective-C, because it's more about a practical understanding of delegates than it is about code. When I was learning coding, I felt like delegates was one of the hardest things to conceptually understand, and a lot of books don't really do a good job (in my opinion) of explaining it. So here's my stab at it.A Real Life Example of DelegatesLet's say there are three of you. You, your friend, and your brother. You're each in a different room in your house so you can't hear each other, even if you shout. 1)You are playing a computer game2) Friend is building a puzzle3) Brother is nappingNow, you three are going to stay in your room but you want to be informed if anything interesting is happening to the one of you. Let's say you (playing the computer game) want to know when your brother wakes up.You could keep walking to the room, checking to see if he's napping, and then walking back to your room. But that would waste a lot of time / resources, and what if you miss when he's awake before he goes back to sleep? That would be bad.Instead, you hand him a 2-way radio that works between your room and his room. And you inform him that when he wakes up, he should press a button on the radio and say "I'm awake". You are going to be listening to that radio, waiting for him to say he's awake. This, in essence, is how a delegate works.You're creating an "object" (the radio) that allows you to listen in on an event you specify. You don't want him to send any other messages to you right now, except when he wakes up. And you want to know immediately when he does, so you can go over to his room and say hi. (the methods that are called when a delegate event fires). You're also currently specifying that only you are listening on his radio.Let's say you want your friend to come into the room at the same time as you, and do something else entirely, like fluff your brother's pillow. You will then give him an identical radio, that also hooks into your brother's radio, and inform him to wait and listen for the "i'm awake" signal.Then, when your brother wakes up, he says "I'm awake!" and both you and your friend walk into the room. You say hi, and your friend fluffs the pillow, then you both exit.Later, if you decide you don't care to say hi anymore, you turn off your radio. Now, you have no idea when your brother is awake or not, because you aren't listening anymore.So again, you are each classes in this example, and each of you have your own methods. You're playing a computer game (PlayComputerGame()), your friend is building a puzzle (BuildPuzzle()) and your brother is napping (Napping()). You create a delegate (ImAwake) that you set your brother to do, when he wakes up. You listen in on that delegate (giving yourself a radio and turning it on), and when you receive the message, you fire a new method called SayHi()). Your friend is also wired up to the same delegate (using an identical radio) and fires the method FluffPillow().Hopefully this makes sense, and helps shed some light on how delegates operate. Let me know! Feel free to drop me a line at Twitter (preferred method of contact) here: samerabousalbi

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  • Software and/(x)or Hardware Projects for Pre-School Kids

    - by haylem
    I offered to participate at my kid's pre-school for various activities (yes, I'm crazy like that), and one of them is to help them discover extra-curricular (big word for a pre-school, but by lack of a better one... :)) hobbies, which may or may not relate to a professional activity. At first I thought that it wouldn't be really easy to have pre-schoolers relate to programming or the internal workings of a computer system in general (and I'm more used to teaching middle-school to university-level students), but then I thought there must be a way. So I'm trying to figure out ways to introduce very young kids (3yo) to computer systems in a fun and preferably educational way. Of course, I don't expect them to start smashing the stack for fun and profit right away (or at least not voluntarily, though I could use the occasion for some toddler tests...), but I'm confident there must be ways to get them interested in both: using the systems, becoming curious about understanding what they do, interacting with the systems to modify them. I guess this setting is not really relevant after all, it's pretty much the same as if you were aiming to achieve the same for your own kids at home. Ideas Considering we're talking 3yo pre-schoolers here, and that at this age some kids are already quite confident using a mouse (some even a keyboard, if not for typing, at least to press some buttons they've come to associate with actions) while others have not yet had any interaction with computers of any kind, it needs to be: rather basic, demonstrated and played with in less then 5 or 10 minutes, doable in in groups or alone, scalable and extendable in complexity to accommodate their varying abilities. The obvious options are: basic smallish games to play with, interactive systems like LOGO, Kojo, Squeak and clones (possibly even simpler than that), or thngs like Lego Systems. I guess it can be a thing to reflect on both at the software and the hardware levels: it could be done with a desktop or laptop machine, a tablet, a smartphone (or a crap-phone, for that matter, as long as you can modify it), or even get down to building something from scratch (Raspberry Pi and Arduino being popular options at the moment). I can probably be in the form of games, funny visualizations (which are pretty much games) w/ Prototype, virtual worlds to explore. I also thought on the moment (and I hope this won't offend anyone) that some approaches to teaching pets could work (reward systems, haptic feedback and such things could quickly point a kid in the right direction to understanding how things work, in a similar fashion - I'm not suggesting to shock the kids!). Hmm, Is There an Actual Question in There? What type of systems do you think might be a good fit, both in terms of hardware and software? Do you have seen such systems, or have anything in mind to work on? Are you aware of some research in this domain, with tangible results? Any input is welcome. It's not that I don't see options: there are tons, but I have a harder time pinpointing a more concrete and definite type of project/activity, so I figure some have valuable ideas or existing ones. Note: I am not advocating that every kid should learn to program, be interested in computer systems, or that all of them in a class would even care enough to follow such an introduction with more than a blank stare. I don't buy into the "everybody would benefit from learning to program" thing. Wouldn't hurt, but not necessary in any way. But if I can walk out of there with a few of them having smiled using the thing (or heck, cried because others took them away from them), that'd be good enough. Related Questions I've seen and that seem to complement what I'm looking for, but not exactly for the same age groups or with the same goals: Teaching Programming to Kids Recommendations for teaching kids math concepts & skills for programming?

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  • wireless not enabling, wire works fine

    - by sibby
    I have a built in wireless (with a switch & light on hardware for it) its a Sony Vaio E-series with ubuntu running along side windows 7, the button in the menu for enable wireless is greyed out, and in edit connections window, when i click the button to make it 'ON' it turns it 'off' immediately while the wireless button is switched on & the wireless light flashes once for 3 seconds(light on hardware), wireless works perfectly and the light stays on (solid) on windows 7, and it works fine with wired connection on Ubuntu, 1st time I am trying a Linux OS, everything else works perfectly.

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  • Linux : un patch de 60 lignes règle les problèmes d'alimentation du noyau, son auteur est ingénieur chez RedHat

    Un patch de 60 lignes règle les problèmes d'alimentation du noyau de Linux Son auteur est ingénieur chez RedHat Depuis quelques temps (depuis la version 2.6.36 du noyau pour être précis), les critiques se faisaient de plus en plus nombreuses de la part des utilisateurs de Linux contre la consommation électrique de plus en plus importante du kernel de l'OS. Que la communauté se rassure, ce désagrément devrait être rapidement (et certains diront : enfin) réglé grâce à un patch dont les premiers détails ont été publiés début novembre. Ce correctif ne compte qu'une soixantaine de lignes de code mais il devrait pouvoir définitivement régler les problèmes de régression li...

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  • Windows Phone 7 : Microsoft publie une mise à jour préparatoire qui annonce la mise à jour de mars

    Windows Phone 7 : Microsoft publie une mise à jour préparatoire Qui annonce la mise à jour de mars Mise à jour du 22/02/11, par Hinault Romaric Microsoft vient de démarrer la première étape du processus de mise à jour de son OS mobile Windows Phone 7. Pour préparer la première mise à jour de Windows Phone 7 prévu en début du mois de mars (ajout du copier-coller, amélioration des performances du téléphone lors du chargement, meilleur basculement entre les applications), Microsoft vient de publier une autre mise à jour, qualifiée d'étape préparatoire. Selon Microsoft, cette première « mise à jour » est conçue pour a...

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