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• Need information regarding Ubuntu for Android

  - by a.premkumar

  As far as I understand, Ubuntu for Android is not the same as Actual Ubuntu in Desktops. So I am confusing both with each other. Please enlighten me on this. Could Ubuntu on Android run 32bit softwares same as the PC versions do? Or it is just the ARM version that would not be able to run the existing PC version softwares? If it is ARM now, would it be a 32 or 64 bit version in future?(Ofcourse if the mobile device architecture supports it). Will there be a separate version for Tablets, so that there would be no need for separate docking and allows seamless switching from Android to Ubuntu internally on the device? Regards, Premkumar. A

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• Native packaging for JavaFX

  - by igor

  JavaFX 2.2 adds new packaging option for JavaFX applications, allowing you to package your application as a "native bundle". This gives your users a way to install and run your application without any external dependencies on a system JRE or FX SDK. I'd like to give you an overview of what is it, motivation behind it, and finally explain how to get started with it. Screenshots may give you some idea of user experience but first hand experience is always the best. Before we go into all of the boring details, here are few different flavors of Ensemble for you to try: exe, msi, dmg, rpm installers and zip of linux bundle for non-rpm aware systems. Alternatively, check out native packages for JFXtras 2. Whats wrong with existing deployment options? JavaFX 2 applications are easy to distribute as a standalone application or as an application deployed on the web (embedded in the web page or as link to launch application from the webpage). JavaFX packaging tools, such as ant tasks and javafxpackager utility, simplify the creation of deployment packages even further. Why add new deployment options? JavaFX applications have implicit dependency on the availability of Java and JavaFX runtimes, and while existing deployment methods provide a means to validate the system requirements are met -- and even guide user to perform required installation/upgrades -- they do not fully address all of the important scenarios. In particular, here are few examples: the user may not have admin permissions to install new system software if the application was certified to run in the specific environment (fixed version of Java and JavaFX) then it may be hard to ensure user has this environment due to an autoupdate of the system version of Java/JavaFX (to ensure they are secure). Potentially, other apps may have a requirement for a different JRE or FX version that your app is incompatible with. your distribution channel may disallow dependencies on external frameworks (e.g. Mac AppStore) What is a "native package" for JavaFX application? In short it is  A Wrapper for your JavaFX application that makes is into a platform-specific application bundle Each Bundle is self-contained and includes your application code and resources (same set as need to launch standalone application from jar) Java and JavaFX runtimes (private copies to be used by this application only) native application launcher  metadata (icons, etc.) No separate installation is needed for Java and JavaFX runtimes Can be distributed as .zip or packaged as platform-specific installer No application changes, the same jar app binaries can be deployed as a native bundle, double-clickable jar, applet, or web start app What is good about it: Easy deployment of your application on fresh systems, without admin permissions when using .zip or a user-level installer No-hassle compatibility.  Your application is using a private copy of Java and JavaFX. The developer (you!) controls when these are updated. Easily package your application for Mac AppStore (or Windows, or...) Process name of running application is named after your application (and not just java.exe)  Easily deploy your application using enterprise deployment tools (e.g. deploy as MSI) Support is built in into JDK 7u6 (that includes JavaFX 2.2) Is it a silver bullet for the deployment that other deployment options will be deprecated? No.  There are no plans to deprecate other deployment options supported by JavaFX, each approach addresses different needs. Deciding whether native packaging is a best way to deploy your application depends on your requirements. A few caveats to consider: "Download and run" user experienceUnlike web deployment, the user experience is not about "launch app from web". It is more of "download, install and run" process, and the user may need to go through additional steps to get application launched - e.g. accepting a browser security dialog or finding and launching the application installer from "downloads" folder. Larger download sizeIn general size of bundled application will be noticeably higher than size of unbundled app as a private copy of the JRE and JavaFX are included.  We're working to reduce the size through compression and customizable "trimming", but it will always be substantially larger than than an app that depends on a "system JRE". Bundle per target platformBundle formats are platform specific. Currently a native bundle can only be produced for the same system you are building on.  That is, if you want to deliver native app bundles on Windows, Linux and Mac you will have to build your project on all three platforms. Application updates are the responsibility of developerWeb deployed Java applications automatically download application updates from the web as soon as they are available. The Java Autoupdate mechanism takes care of updating the Java and JavaFX runtimes to latest secure version several times every year. There is no built in support for this in for bundled applications. It is possible to use 3rd party libraries (like Sparkle on Mac) to add autoupdate support at application level.  In a future version of JavaFX we may include built-in support for autoupdate (add yourself as watcher for RT-22211 if you are interested in this) Getting started with native bundles First, you need to get the latest JDK 7u6 beta build (build 14 or later is recommended). On Windows/Mac/Linux it comes with JavaFX 2.2 SDK as part of JDK installation and contains JavaFX packaging tools, including: bin/javafxpackagerCommand line utility to produce JavaFX packages. lib/ant-javafx.jar Set of ant tasks to produce JavaFX packages (most recommended way to deploy apps) For general information on how to use them refer to the Deploying JavaFX Application guide. Once you know how use these tools to package your JavaFX application for other deployment methods there are only a few minor tweaks necessary to produce native bundles: make sure java is used from JDK7u6 bundle you have installed adjust your PATH settings if needed  if you are using ant tasks add "nativeBundles=all" attribute to fx:deploy task if you are using javafxpackager pass "-native" option to deploy command or if you are using makeall command then it will try build native packages by default result bundles will be in the "bundles" folder next to other deployment artifacts Note that building some types of native packages (e.g. .exe or .msi) may require additional free 3rd party software to be installed and available on PATH. As of JDK 7u6 build 14 you could build following types of packages: Windows bundle image EXE Inno Setup 5 or later is required Result exe will perform user level installation (no admin permissions are required) At least one shortcut will be created (menu or desktop) Application will be launched at the end of install MSI WiX 3.0 or later is required Result MSI will perform user level installation (no admin permissions are required) At least one shortcut will be created (menu or desktop)  MacOS bundle image dmg (drag and drop) installer Linux bundle image rpm rpmbuild is required shortcut will be added to the programs menu If you are using Netbeans for producing the deployment packages then you will need to add custom build step to the build.xml to execute the fx:deploy task with native bundles enabled. Here is what we do for BrickBreaker sample: <target name="-post-jfx-deploy"> <fx:deploy width="${javafx.run.width}" height="${javafx.run.height}" nativeBundles="all" outdir="${basedir}/${dist.dir}" outfile="${application.title}"> <fx:application name="${application.title}" mainClass="${javafx.main.class}"> <fx:resources> <fx:fileset dir="${basedir}/${dist.dir}" includes="BrickBreaker.jar"/> </fx:resources> <info title="${application.title}" vendor="${application.vendor}"/> </fx:application> </fx:deploy> </target> This is pretty much regular use of fx:deploy task, the only special thing here is nativeBundles="all". Perhaps the easiest way to try building native bundles is to download the latest JavaFX samples bundle and build Ensemble, BrickBreaker or SwingInterop. Please give it a try and share your experience. We need your feedback! BTW, do not hesitate to file bugs and feature requests to JavaFX bug database! Wait! How can i ... This entry is not a comprehensive guide into native bundles, and we plan to post on this topic more. However, I am sure that once you play with native bundles you will have a lot of questions. We may not have all the answers, but please do not hesitate to ask! Knowing all of the questions is the first step to finding all of the answers.

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• Application for taking pretty screenshots (like OS X does)

  - by Oli

  I've been building a website for a guy who uses Mac OS X and occasionally he sends me screenshots of bugs. They come out looking like this: This is fairly typical of Mac screenshots. You get the window decorations, the shadow from the window and a white or transparent background (not the desktop wallpaper -- I've checked). Compare this to an Ubuntu window-shot (Alt+Print screen): It's impossible to keep a straight face and say the Ubuntu one anywhere near as elegant. My question is: Is there an application that can do this in Ubuntu? Edit: Follow up: Is there an application that can do this in one move? Shutter is pretty good but running the plugin for every screenshot is pretty tiresome as it doesn't seem to remember my preference (I want south-shadow and that requires selecting south, then clicking refresh, then save) and it's more clicks than I'd like. Is there a simple way of telling shutter I want south-shadow for all screenshots (except entire desktop and area-selection)?

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• Why doesn't my ACR38 SmartCard Reader work?

  - by Andrea Grandi

  Hello, I've this SmartCard reader: Bus 002 Device 004: ID 072f:90cc Advanced Card Systems, Ltd ACR38 SmartCard Reader I've installed the following packages: pcscd, libacr38u, pcsc-tools, and a driver available on this website http://www.bit4id.com/italiano/download/download_file/Linux.zip the pcscd daemon seems running: andrea@centurion:~$ ps -e | grep pcsc 2799 ? 00:00:00 pcscd when I try to test if the smart card is working, I get no reply: andrea@centurion:~$ pcsc_scan PC/SC device scanner V 1.4.16 (c) 2001-2009, Ludovic Rousseau <[email protected]> Compiled with PC/SC lite version: 1.5.3 Scanning present readers... Waiting for the first reader... how can I fix this?

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• Tomcat still running after uninstalling

  - by Rohit Jain

  I installed tomcat7 using the following command: sudo apt-get install tomcat7 Then to uninstall it, I used below command: sudo dpkg -l|grep tomcat This listed all the packages related to tomcat. Then I removed tomcat7: sudo dpkg -P tomcat7 After that, I saw that, some related package were still there, and surprisingly I was still able to access the tomcat home page at - http://localhost:8080. So, I tried to remove it using the following command: sudo apt-get remove tomcat7 sudo apt-get autoremove But, still I was able to access the tomcat home page. So I re-booted my PC, thinking that the effect will take effect after that. But again, I'm still able to access the homepage. That means that tomcat is still running on my PC. What's going on here? Have I followed the steps correctly to uninstall tomcat. I want to uninstall to re-install a private instance of tomcat. I found out that the directory - /usr/share/tomcat7, is still there: /usr/share/tomcat7$ ls conf log webapps Is it something to do with the uninstallation?

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• Awesome Mod Adds Cooperative Multiplayer to Super Mario 64

  - by Jason Fitzpatrick

  The lack of multiplayer action in Super Mario 64 bothered one game modder so much he hacked the game to include cooperative multiplayer as well as online play. Check out the video to see it in action. To play the new version of the game you’ll either need a jailbroken Wii (so you can load a homebrew WAD file) or an N64 PC emulator. You can grab the WAD file for the Wii here or the necessary files for the PC emulator here. For more information about other great mod projects from the author of this mod, hit up the link below. Super Mario 64 Multiplayer 1.0 [via Press The Buttons] What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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• Can connect to Samba server but cannot access shares?

  - by jlego

  I have setup a stand-alone box running Fedora 16 to use as a file-sharing and web development server. Needs to be able to share files with a PC running Windows 7 and a Mac running OSX Snow Leopard. I've setup Samba using the Samba configuration GUI tool. Added users to Fedora and connected them as Samba users (which are the same as the Windows and Mac usernames and passwords). The workgroup name is the same as the Windows workgroup. Authentication is set to User. I've allowed Samba and Samba client through the firewall and set the ethernet to a trusted port in the firewall. Both the Windows and Mac machines can connect to the server and view the shares, however when trying to access the shares, Windows throws error 0x80070035 " Windows cannot access \SERVERNAME\ShareName." Windows user is not prompted for a username or password when accessing the server (found under "Network Places"). This also happens when connecting with the IP rather than the server name. The Mac can also connect to the server and see the shares but when choosing a share gives the error "The original item for ShareName cannot be found." When connecting via IP, the Mac user is prompted for username and password, which when authenticated gives a list of shares, however when choosing a share to connect to, the error is displayed and the user cannot access the share. Since both machines are acting similarly when trying to access the shares, I assume it is an issue with how Samba is configured. smb.conf: [global] workgroup = workgroup server string = Server log file = /var/log/samba/log.%m max log size = 50 security = user load printers = yes cups options = raw printcap name = lpstat printing = cups [homes] comment = Home Directories browseable = no writable = yes [printers] comment = All Printers path = /var/spool/samba browseable = yes printable = yes [FileServ] comment = FileShare path = /media/FileServ read only = no browseable = yes valid users = user1, user2 [webdev] comment = Web development path = /var/www/html/webdev read only = no browseable = yes valid users = user1 How do I get samba sharing working? UPDATE: Before this box I had another box with the same version of fedora installed (16) and samba working for these same computers. I started up the old machine and copied the smb.conf file from the old machine to the new one (editing the share definitions for the new shares of course) and I still get the same errors on both client machines. The only difference in environment is the hardware and the router. On the old machine the router received a dynamic public IP and assigned dynamic private IPs to each device on the network while the new machine is connected to a router that has a static public IP (still dynamic internal IPs though.) Could either one of these be affecting Samba? UPDATE 2: As the directory I am trying to share is actually an entire internal disk, I have tried to things: 1.) changing the owner of the mounted disk from root to my user (which is the same username as on the Windows machine) 2.) made a share that only included one of the folders on the disk instead of the entire disk with my user again as the owner. Both tests failed giving me the same errors regarding the network address. UPDATE 3: Not sure exactly what I did, but now whenever I try to connect to the share on the Windows 7 client I am prompted for my username and password. When I enter the correct credentials I get an access denied message. However I did notice that under the login box "domain: WINDOWS-PC-NAME" is listed. I believe this could very well be the problem. Any suggestions? UPDATE 4: So I've completely reinstalled Fedora and Samba now. I've created a share on the first harddrive (one fedora is installed on) and I can access that fine from Windows. However when I try to share any data on the second disk, I am receiving the same error. This I believe is the problem. I think I need to change some things in fstab or fdisk or something. UPDATE 5: So in fstab I mapped the drive to automount in a folder which works correctly. I also added the samba_share_t SElinux label to the mountpoint directory which now allows me to access the shares on the Windows machine, however I cannot see any of the files in the directory on the windows machine. (They are there, I can see them in the fedora file browser locally) UPDATE 6: Figured it out. See answer below

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• Ubuntu tweak and Mozilla (firefox and thunderbird) cache

  - by Avatar Parto

  I usually use Ubuntu tweak to do cleanup jobs on my PC. This includes apt and program cached data and old kernels. This goes alright for most programs except Mozilla based application - Firefox and Thunderbird. Ubuntu tweak doesn't seem to know where their cache folders are and always returns 'zero packages can be cleaned' even when the cache folder is full. Check screenshot below: I am looking for a way to clean up ALL my cache data and unneeded packages at one point. If someone knows how to change the ubuntu tweak cache folders for Firefox and Thunderbird, that would be perfect. I tried bleachbit last but it crashed my PC to a point I had to re-install Ubuntu. I am using Ubuntu tweak 0.8.6 on Ubuntu 13.04. Thanxs.

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• Can't remove Ubuntu Desktop from dropdown menu on logon screen

  - by Bryan

  Hello All, I'm running Ubuntu on an Eee PC with the Netbook interface. I installed Ubuntu Desktop via Aptitude to see how well it works on the Eee PC, and after a while I wanted to rid myself of it. So, I purged it using Aptitude, but it still shows up as an option in the dropdown menu on the login screen. Is there any way I can remove the Ubuntu Desktop option from the dropdown menu? It's not a big deal I guess... I'm just curious now how to do it. :)

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• Understanding Windows 8 Recovery options

  - by stuffe

  Background: I am preparing a PC that I am sending to a relative abroad, who has little or no internet access, and next to no sensible options for getting IT support should anything go wrong. As such I am trying to provide a full set of recovery options such that they are able to reinstall the OS with minimum fuss or assistance if required. The PC is a brand new Acer laptop that came with Windows 7 pre-installed (and an associated recovery partition) and a free upgrade to Windows 8. I have installed Windows 8 from scratch performing a format and clean install from media I burned from the official download. The existing Windows 7 recovery partition is still there, and I can still boot from it. I have created recovery DVDs of that in case it is ever lost. Here are my recovery options so far. I can perform a factory reset of Win 7 via the recovery partition I can perform a factory reset of Win 7 via burned recovery DVDs I can re-install Windows 8 cleanly from a DVD All of these are useful, but not what I want, because the first 2 methods use Win 7, and still fill the machine with crapware, and the latter doesn't provide for any post-install customisation and software installation. So, I am looking to see what other options are available to perform a Windows 8 recovery that will be more than a simple install. I am aware that Win8 comes with some useful refresh tools: Refresh your PC - Re-install Win 8 over the top of your existing installation, recovering from any Windows corruption etc. I can run this from my current install, although it says some files are missing that will be provided by me install or recovery media, which seems to be code for stick your install DVD in, and it starts after I do that - unfortunately for this particular laptop you need to specify a particular WIFI driver or the install bombs out part way through with IRQL errors, and this refresh method skips the part where you can load a driver, so it's no use to me. I think I can fix this by creating a custom recovery image using the recimg.exe command but it takes hours to complete so I haven't tried it yet. Reset your PC - Perform a full install and lose all your files. Again it needs my Install media inserting before it will do anything, but then it provides an error (will include later when I recreate it...) Now, these recovery options look useful (in principal, although both are fail for me) but they rely on having a working system to access the tools, which leads me to the last option, of making a Recovery USB drive. I have made a recovery drive, and it should perform loads of useful things, including copying my WIN7 recovery partition to the drive, providing the above refresh and reset options, providing other troubleshooting options and also the ability to restore from a custom image, only none of them seem to work for me. Creating the Recovery Drive - the option to include my recovery partition is greyed out. The partition exists and works fine, why will it not copy it? Refresh - I imagine this would have the same issues as I described before, but this is moot because when I try it says that the "drive where Windows is installed is locked, please unlock the drive and try again" with no info on what that means and how to do it. Restore - Again, probably pointless as I can just use the DVD, but it also errors: "unable to reset your PC. A required drive partition is missing" System Restore - should let me roll back a bad driver etc as per normal in Windows, only it simply says "To use system restore you must specify which windows installation to restore. Restart this computer, select an operating system, and select system restore" ?!?! System Image Recovery - this seems to be offering to restore from a Windows system image, but this is deprecated in Windows 8, although you can still make one if you use the Windows 7 Backup tools, however the resultant file is too large to put on the USB stick as it's FAT formatted, and would be a massive stack of DVDs anyway. So useless. It would be nice it it would work with the custom recovery image you can use with the refresh command, but there seems no option to do this. Automatic Repair - some diagnostics, which seem useless as it happily tells me it can't fix my problem, even though I have none. Command Prompt - yay, this works! What on earth do I want to use it for... Had any of the above worked, it might be useful, but as any form of install still requires you to have the DVD, and any form of custom recovery image also requires you to have either a massive stack of DVDs or an NTFS formatted backup device in addition to the recovery drive, it sort of ruins the point. It doesn't seem rocket science. I want to create a bootable USB drive that I can refresh Windows over an existing install with, perform a clean reinstall to a bare system, or recovery a customised image with existing apps installed. If anyone can point me in a direction that allows me to make a single recovery drive do these all these things, I would appreciate it. I have a 32Gb USB3 thumb drive that I bought for this very purpose, but it's seems to be fighting to let me do anything useful. At this rate I will be making a DriveImageXML recovery stick and dumping the OS with that, which I know works, but isn't so elegant as using the proper tools..

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• Windows 7 atteint les 14% de parts de marché en France, interview exclusive avec un chef de produit

  Windows 7 atteint les 14% de parts de marché en France, interview exclusive avec un chef de produit Ce matin avait lieu au siège parisien de Microsoft une conférence de presse visant à faire le bilan des six premiers mois de commercialisation de Windows 7. Depuis sa disponibilité pour les entreprises en juillet 2009, Windows 7 a concrétisé ses promesses avec plus de 10 % de parts du marché des postes de travail dans le monde en 6 mois. Concernant le marché français spécifiquement, 14 % des PC connectés à internet sont sur Windows 7 (StatCounter Global Stats, mars 2010). Plus de 1,5 million de PC équipés de Windows 7 ont été vendus dans les entreprises. En ajoutant les 2,3 millions de licences Windows 7 déjà acquis...

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• Installing Lubuntu on to Android tablet and switching os in between

  - by user1702061

  I would like to install Lubuntu onto my tablet, as it seems more lightweight than ubuntu. However, it seems there are only images for Windows/ Mac? For Android devices, what image shall I download? I've also found an article about installing Ubuntu on Android phone. And by installing VNC, it seems that one could "switch" from OS to OS on the phone, i.e. I could be viewing the Ubuntu OS on the phone via a VNC viewer, and closing the viewer gives me back the Android OS. My questions are: 1) What ubuntu/lubuntu image (windows?mac?) shall I download in order to get this done? 2) My ultimate goal is to run some windows programs on a Android tablet. I am planning install a lubuntu os and then wine... what will be the minimum hardware requirement in order to do this? Thank you very much!

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• Can and should UDF be used as a hard drive format?

  - by dlamblin

  Several time recently I've seen UDF suggested as the solution to a cross platform format for a drive used on Linux, Mac OS X and Windows XP and above. I've searched here and not found the same suggestion (most are suggesting ntfs-3g which seems to cost money and isn't preinstalled on a Mac). So my question is: how is this done right, and has anyone done this? Have you then filled up the drive and deleted some files to make space finding that everything works like a real r/w format even though it seems to have been primarily a write once format?

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• Symbian sort un kit d'outils pour les développeurs d'application sous Symbian^3, simple d'utilisatio

  Mise à jour du 03.05.2010 par Katleen Symbian sort un kit d'outils pour les développeurs d'application sous Symbian^3, simple d'utilisation et compatible Windows, Mac et Linux « Si vous savez créer une page web, vous êtes un développeur Symbian^3 ». Le nouveau slogan de Symbian destiné à promouvoir ses derniers outils de développement d'applications tout juste disponibles pour Windows, Mac et Linux est on ne peut plus clair. Leur maniement sera facile. L'écriture se fera en HTML, CSS et JavaScript. De plus, des API JavaScript spécifiques permettront de travailler sur des fonctions particulières telles que le répertoire, l'appareil photo, l'accéléromètre, le GPS, etc.

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• Macbook Pro 13" Retina (10,2): Keyboard and Touchpad don't work correcltly

  - by Dirk

  I'm dealing with Ubuntu since about 5 years and installed it on several laptops. Now I'm stuck when trying to install Ubuntu 12.04.1 on a brand new Macbook Pro 13" Retina (10,2). I sucessfully can start Ubuntu from an USB stick, the Ubuntu desktop is visible, a mouse cursor is visible. But there is no respond to keyboard or touchpad input. So I cannot really install Ubuntu on the Macbook. The details of my approach: Prepare an empty USB stick Download "ISO 2 USB EFI Booter for Mac" and copy the file bootX64.efi to the USB drive as /efi/boot/bootX64.efi. Download Ubuntu 12.04.1 Desktop for Mac from http://cdimage.ubuntu.com/releases/1-amd64+mac.iso and copy the iso the USB drive as /efi/boot/boot.iso Put the USB stick into the Macbook Press and hold the "alt" button while switching the Macbook on Select "EFI Boot" from the boot menu that appears and press the Return / Enter key Immediately a black terminal screen appears with the headline "Welcome to the Ubuntu ISO << - EFI booter". 30 seconds later the familiar Ubuntu startup graphics screen is showing. Further 20 seconds later Ubuntu has started and the desktop is visible - in wonderfully fine resolution Now the computer does not respond to any actions on the touchpad nor the keyboard Who did install Ubuntu on this Macbook Pro 13" Retina (10,2) successfully? On this site https://help.ubuntu.com/community/MacBookPro this unit is not listed yet, anyway. Any help would be greatly appreciated! Dirk PS: I could now install ubuntu with an external USB Keyboard/Mouse Set. But now, after showing the grub menu, a kernel panic error appears and booting stops :-/ Seems that the ubuntu images fit not to a macbook pro retina 13" (10,2) yet. PPS: Ok, there are new facts: If I edit the boot options and enter " nomodeset noapic" ubuntu starts and Keyboard and Touchpad work! Now I have to enable WiFi... PPPS: After installing Broadcom firmware from USB Live stick as described in other posts, WiFi was enabled. Then I could update ubuntu normally to 12.10. After this, I must not enter "nomodeset noapic" in the grub menu anymore. Last Thing now is the Touchpad. The driver seems not to be there. The touch pad is only showing as mouse. t.b.c.

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• Webmaster Tools - URL Parameters Settings Do Not Work

  - by David

  Google Webmaster Tools shows problems with duplicate title tags under Optimization - HTML Improvements, for example: ???????? Mitsubishi Electric Mr. Slim PC Series PC-3KAKLT (220V) 30000 BTU > /????-????/mitsubishi-mr-slim-pc3kaklt-30000-btu.html > /????-????/mitsubishi-mr-slim-pc3kaklt-30000-btu.html?category_id=96 These two pages have exactly the same content, a rel-canonical tag is set, and they are (no longer) linked to internally. Additionally, we used the Configuration - URL Parameters setting, to set this parameter to No: Doesn't affect page content about one month ago. However, Google is still showing these HTML improvements (and rankings dropped dramatically). What else can we do here? Best, David

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• Developing for iOS on Linux

  - by Jay

  I am looking for an engine or library to develop a game for iOS on Linux. High level, low level, GUI, no GUI, does not matter too much. I am really looking for anything. I'm not actually talking about deploying to iOS from Linux or anything like. I just want to do the bulk of the work on Linux, with minimal changes required to run it on iOS. Edit: YES, I do have access to a Mac, but it is limited. So I want to be able to work on the project on my regular Ubuntu box. Also, I am in the paid developer program, so I can deploy to iOS devices from the Mac.

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• Making a bash script that reconnect to AP when connection lost

  - by Alexander

  I'm facing problems with WIFI on ubuntu i tried to update the system but still the same what happens is that i suddenly lose the connection with my router and when i press on the WIFI bar the system won't detect any APs i have to uncheck "enable WIFI" option ,then re check it so it work,it automatically reconnect. I'm thinking of making a bash script that detects when the pc is disconnected from the router for any reason, and when it is disconnected it disable then enable the wifi. i mean like automating resetting the connection that possible ? i guess i must use this nmcli nm wifi off nmcli nm wifi on but how can i make the script know if the PC is disconnected from the WIFI ?

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• 10 Package Management Operations You Need Synaptic for on Ubuntu

  - by Chris Hoffman

  The Ubuntu Software Center is a solid, user-friendly application, but sometimes you need more power. The Synaptic package manager – previously included with Ubuntu by default – can do many things the Ubuntu Software Center can’t. You can install Synaptic from the Ubuntu Software Center – just search for Synaptic. You can also perform all these operations from the terminal – but, if you need a powerful graphical application for managing packages, Synaptic can’t be beat. How to Play Classic Arcade Games On Your PC How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8

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• Battling Emacs Pinky?

  - by haziz

  My problem is not so much emacs pinky as much as having to work with multiple machines, across 3 operating systems, both desktop and laptop, with differing keyboard layouts and different locations for Ctrl and Alt\Meta keys so I often have to pause and think about where is the Ctrl key on this machine. How do you deal with varying keyboard layouts, between Mac keyboards (mostly the laptops) and PC keyboards (mostly 101 keys in my case, yes the original PC keyboard)? I have turned the Caps lock Key into a Ctrl key (losing the Caps lock function completely rather than swapping with Ctrl) on most of them but still find myself hunting for the original Ctrl labeled key most of the time. How do you deal with this keyboard confusion? Suggestions, ideas and feedback welcome.

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• Unicast traffic between hosts on a switch leaving the switch by its uplink. Why?

  - by Rich Lafferty

  I have a weird thing happening on our network at my office which I can't quite get my head around. In particular I can't tell if it's a problem with a switch, or a problem with configuration. We have a Cisco SG300-52 switch (sw01) in the top of a rack in our server room, connected to another SG300-28 that acts as our core switch (core01). Both run layer 2 only, our firewalls do routing between VLANs. They have a dozen or so VLANs between them. Gi1 on sw01 is a trunk port connected to gi1 on core01. (Disclosure: There are other switches in our environment but I'm pretty sure I've isolated the problem down to these two. Happy to provide more info if necessary.) The behaviour I'm seeing is limited to one VLAN, vlan 12 -- or, at least, it's not happening on the other ones I checked (It's hard to guarantee the absence of packets), and it is: sw01 is forwarding, to core01, traffic which is between two hosts which are both plugged into sw01. (I noticed this because the IDS in our firewall gave a false positive on traffic which should not reach the firewall.) We noticed this mostly between our two dhcp/dns servers, net01 (10.12.0.10) and net02 (10.12.0.11). net01 is physical hardware and net02 is on a VMware ESX server. net01 is connected to gi44 on sw01 and net02's ESX server to gi11. [net01]----gi44-[sw01]-gi1----gi1-[core01] [net02]----gi11/ Let's see some interfaces! Remember, vlan 12 is the problem vlan. Of the others I explicitly verified that vlan 27 was not affected. Here's the two hosts' ports: esx01 contains net02. sw01#sh run int gi11 interface gigabitethernet11 description esx01 lldp med disable switchport trunk allowed vlan add 5-7,11-13,100 switchport trunk native vlan 27 ! sw01#sh run int gi44 interface gigabitethernet44 description net01-1 lldp med disable switchport mode access switchport access vlan 12 ! Here's the trunk on sw01. sw01#sh run int gi1 interface gigabitethernet1 description "trunk to core01" lldp med disable switchport trunk allowed vlan add 4-7,11-13,27,100 ! And the other end of the trunk on core01. interface gigabitethernet1 description sw01 macro description switch switchport trunk allowed vlan add 2-7,11-16,27,100 ! I have a monitor port on core01, thus: core01#sh run int gi12 interface gigabitethernet12 description "monitor port" port monitor GigabitEthernet 1 ! And the monitor port on core01 sees unicast traffic going between net01 and net02, both of which are on sw01! I've verified this with a monitor port on sw01 that sees the net01-net02 unicast traffic leaving via gi1 too. sw01 knows that both of those hosts are on ports that are not its trunk port: :) ratchet$ arp -a | grep net net02.2ndsiteinc.com (10.12.0.11) at 00:0C:29:1A:66:15 [ether] on eth0 net01.2ndsiteinc.com (10.12.0.10) at 00:11:43:D8:9F:94 [ether] on eth0 sw01#sh mac addr addr 00:0C:29:1A:66:15 Aging time is 300 sec Vlan Mac Address Port Type -------- --------------------- ---------- ---------- 12 00:0c:29:1a:66:15 gi11 dynamic sw01#sh mac addr addr 00:11:43:D8:9F:94 Aging time is 300 sec Vlan Mac Address Port Type -------- --------------------- ---------- ---------- 12 00:11:43:d8:9f:94 gi44 dynamic I also brought up an unused port on sw01 on vlan 12, but the unicast traffic was (as best as I could tell) not coming out that port. So it doesn't look like sw01 is pushing it out all its ports, just the right ports and also gi1! I've verified that sw01 is not filling up its address-table: sw01#sh mac addr count This may take some time. Capacity : 8192 Free : 7983 Used : 208 The full configs for both core01 and sw01 are available: core01, sw01. Finally, versions: sw01#sh ver SW version 1.1.2.0 ( date 12-Nov-2011 time 23:34:26 ) Boot version 1.0.0.4 ( date 08-Apr-2010 time 16:37:57 ) HW version V01 core01#sh ver SW version 1.1.2.0 ( date 12-Nov-2011 time 23:34:26 ) Boot version 1.1.0.6 ( date 11-May-2011 time 18:31:00 ) HW version V01 So my understanding is this: sw01 should take unicast traffic for net01 and send it only out net02's port, and vice versa; none of it should go out sw01's uplink. But core01, receiving traffic on gi1 for a host it knows is on gi1, is right in sending it out all of its ports. (That is: sw01 is misbehaving, but core01 is doing what it should given the circumstances.) My question is: Why is sw01 sending that unicast traffic out its uplink, gi1? (And pre-emptively: yes, I know SG300s leave much to be desired, and yes, we should have spanning-tree enabled, but that's where I'm at right now.)

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• How to set-up DSL dialer for Ubuntu 12.04 LTS

  - by Mohammad Yaseen

  I have just installed Ubuntu 12.04 LTS and I'm unable to get my DSL dialer working properly. To set this up in Windows 7 I had to do following: Control Panel --- Network and Intertnet Network and sharing center --- Setup a new network or connection Connect to the internet --- Broadband PPPoE Enter username and Password.. CLick 'Connect' and Done. I am doing following steps in Ubuntu with no luck: Click on 'Two Arrows' (i don't know what they are called) on upper right corner. Configure VPN --- DSL tab --- Add Then I entered username, password, MAC address and Clone MAC address (copied from Auto Ethernet). Save The same set up used to work with Ubuntu 10.10 but it is not working here. Now whenever I click on DSL Connection 1 to connect dialer 'Auto Ethernet' gets disconneted and I end up with no Internet connection. I am new to Ubuntu, Please suggest some easy steps. I have installed ubuntu alongside windows. And dialer works fine in Windows environment, i am writing this in Windows .

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• Project Kapros: A Custom-Built Workstation Featuring an In-Desk Computer

  - by Jason Fitzpatrick

  While we’ve seen our fair share of case mods, it’s infrequent we see one as polished and built-in as this custom built work station. What started as an IKEA Galant desk, ended as a stunningly executed desk-as-computer build. High gloss paint, sand-blasted plexiglass windows, custom lighting, and some quality hardware all come together in this build to yield a gorgeous setup with plenty of power and style to go around. Hit up the link below for a massive photo album build guide detailing the process from start to finish. Project Kapros: IKEA Galant PC Desk Mod [via Kotaku] How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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• WWDC 2010 : Apple a présenté la nouvelle version de XCode, l'environnement de développement d'Apple

  Apple a dévoilé la nouvelle version de XCode 4 aux développeurs présents à l'édition 2010 de la WWDC. Seuls les développeurs inscrits à la WWDC peuvent actuellement télécharger XCode 4 sur leur Mac. XCode 4 nécessite Mac OS X 10.6.4 Qu'apporte-t-il de neuf ? On ne sait pas encore grand chose, vu que tout ce qui se passe à la WWDC en dehors de la keynote est sous NDA. Mais, malgré la NDA, quelques bruits filtrent sur le net. Il semblerait que XCode 4 apporterait un meilleur support pour le versionning du code. Où on aurait une interface à la Time Machine pour merger son code facilement. Meilleure intégration avec SubVersion, Git. Interface Builder ne serait plus quelque chose qui est à ...

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• Share files - Ubuntu 12.4 and Windows 7 - one network - password not accepted

  - by gotqn

  I ask this question in SuperUser but no one helps me. I hope to get more attention here. I have three computers connected in one network by modem. I want to share files in this network in the most easy way (I have read about solutions using Samba). So, I have three machines: One with Windows 7 One with Windows XP One with Ubuntu 12.04 and I have the following situation: The windows PCs can share files between each other. The windows PCs can see that Ubuntu's one is in the network The PC with Ubuntu can see only the PC with Windows 7, but when I click on a folder it ask to enter the network password and it is not accepting it (I am 100% sure it's the correct one) Is there to fix this situation a little bit - at least to enable the file sharing between the Ubuntu and Windows 7 PCs or I should choose a different approach (please advice).

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