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• Cuda GeForce GT 555m (on Ubuntu 12.04 (Virtual Box))

  - by bobby

  I am running Ubuntu 12.04 in a Virtual Box as guest OS. Today I have tried to enable all functions of my graphic card under Ubuntu. But all my efforts were off the mark... because my experience with Linux is relatively small... I have tried the procedure which is described as in http://sn0v.wordpress.com/2012/05/11/installing-cuda-on-ubuntu-12-04/. Running the cuda-filepack always lead to an error like "installing driver canceled". Then I have tried to install the Bumblebee project. But I always get the error that the bumblebee daemon is not started. After some internet research I found a test-command lspci -nn | grep '[030[02]]' which results in 00:02.0 VGA compatible controller [0300]: InnoTek ... [80ee:beef] I've been trying to activate the card you for hours without success. Could you please give me some hints how to activate CUDA? Kind regards

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• while upgrading a virtual machine do I need to install a bootloader

  - by Bond

  I have a virtualization server which is having a few virtual machines running at top of it. All this was done using Ubuntu server edition with KVM and using virt-manager on SSH connection. These VMs are Lucid 10.04 64 bit Vms. When I upgrade them via apt-get upgrade on an SSH connection in between the ncurses screen, it asks me if it should install a bootloader and to select Yes or No for it. I have no clue what should I select here and I cancel the upgrade.Since it is a production machine I can not specify any thing like this. So let me know what will be a correct.

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• Who are good suppliers of .NET 4 Hosted Virtual Private Servers ? (May 2010)

  - by Nick Haslam

  I'm looking for a supplier for hosting a Virtual server, running Windows Server 2008 (R2 ideally) and .NET 4 to run an internet facing ASP.NET web application. I'd also like to be able to remote desktop onto it, and install other apps as necessary, including other websites as and when. I'm based in the UK, so a UK based supplier would be great. I was looking at Fasthosts, but having researched them a bit more, they look like a bad idea.

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• Possible to take a snapshot of a hard disc and use it in a Virtual Machine?

  - by roadadadl

  Hi, A bit of a silly question really - but I was wondering would it be possible to take a snapshot of a OS you are running on a computer, the convert it or so it can be run as a virtual machine in VMware or Vitual Box? Thanks!

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• How to correctly create a virtual file system?

  - by Paul

  A task in my homework assignment asks me to create a virtual file system, mount it, and perform some operations on it. I am supposed to create a file of 10 MB whose bits are all set to 0, format it as ext3 and mount it. This is how I've done that: dd if=/dev/zero of=~/filesyst bs=10485760 count=1 sudo mkfs.ext3 ~/filesyst sudo mount –o loop ~/filesyst /media/fuse Even though I've used /dev/sero, the file i still full of gibberish characters (mostly at-signs). The permissions on /media/fuse are drw-rw-rw- (which are alright), but the permissions on the files inside it are something like this: d????????? ? ? ? ? ? lost+found -????????? ? ? ? ? ? secret_bin Where have I gone wrong?

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• OTN Virtual Developer Day: Oracle Fusion Development

  - by Robert Baumgartner

  Am 11. Dezember 2012 findet der nächste Virtual Developer Day: Oracle Fusion Development statt.Es finden 4 verschiedene Tracks (inkl. Hands-On-labs) zu den Themen Ist die Entwicklung mit Oracle ADF schnellerund einfacher als mit Forms, Apex oder .NET? Mobile Application Development mit ADF Mobile Oracle ADF Entwicklung mit Eclipse Oracle WebCenter Portal und ADF Development Building Process Centric Anwendungen mit ADF und BPM Oracle Business Intelligence und ADF Integration Live Q&A Chat mit Oracle Mitarbeitern statt. Die Hands-On-Sessions werden auf einem VirtualBox System durchgeführt. Nähers siehe Agenda und Registrierung.

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• Reminder: WebLogic Global, Virtual Developer Day November 5

  - by jeckels

  Just a quick reminder about the FREE virtual developer day focused on WebLogic (and Coherence) coming on November 5th. This day, with content tailored for developers, will guide you through tooling updates and best practices around creating applications with WebLogic and Coherence as target platforms. We'll also explore advances in how you can manage your build, deploy and ongoing management processes to streamline your application's life cycle. And of course, we'll conclude with some hands-on labs that ensure this isn't all a bunch of made-up stuff - get your hands dirty in the code!November 5, 20139am PT/12pm ETREGISTER NOW We're offering two tracks for your attendance, though of course you're free to attend any session you wish. The first will be for pure developers with sessions around developing for WebLogic with HTML5, processing live events with Coherence, and looking at development tooling. The second is for developers who are involved in the building and management processes as part of the application life cycle. These sessions focus on using Maven for builds, using Chef and Puppet for configuration and more.We look forward to seeing you there - don't forget to invite a friend!

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• Next Week - OTN Virtual Developer Day - Fusion Development Experience

  - by Shay Shmeltzer

  Don't miss your chance to get free training on Oracle's strategic development platform including Oracle ADF and the rest of Fusion Middleware. On July 10th, we are running a virtual developer conference that you can attend directly from your desktop. We have sessions covering everything from basic ADF topics such as the Controller and ADF Faces to sessions about the latest news in the ADF world including ADF development with Eclipse using OEPE and ADF Mobile for iPhone and Android development. A special track will expose you to ADF connection to the rest of FMW including BPM, WebCenter and BI. During the sessions you'll be able to chat with the presenters, and you can also do a hands-on lab. So sign up today and join us on Tuesday.

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• REGISTER TODAY: Oracle Linux and Oracle VM Virtual SysAdmin Day- July 15

  - by Zeynep Koch

  Are you just starting on Oracle Linux or do you still feel you are missing some knowledge on how to configure, install or patch your Oracle Linux? If you answered yes, this event for you. This is our second virtual sysadmin day for Oracle Linux and it had been hugely popular in the past. This is a hands-on experience for all those Sysadmins that are looking for a great training without leaving their office or home. You will learn to: Install Oracle Linux using RPM and yum repositories; create storage volumes, prepare block devices, work with filesystems Create and mount Btrfs in Oracle Linux, work with block devices and snapshots Come and join us on July 15, 9am-12pm Pacific Time for an informative and interactive session. See more details and register 

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• Google Analytics goal funnel does not recognize virtual page views

  - by Webber Smith

  I have a setup wizard with 3 steps. Since I'm using AJAX each step uses a virtual pageview with an appropriate URL for each step (see below). The pageviews are being recorded in the Content section of Google Analytics but the Goal Funnel still shows zero for each step. I've tried advise on other forums such as... Make sure Goal URL is set to Exact match Make sure no steps or the Goal URL are a parent directory of any other steps. For example, don't track /wizard/ as a Goal/step and track /wizard/step2/. Not sure why this would be a problem since it is an exact match, but it shouldn't hurt so I tried it... Require (or don't require - tried both) the first step in the funnel ...but none of these seem to work. Thoughts? Goal Settings Exact match : "/wizard/setup-complete/" Funnel Step 1 : "/wizard/step1/" Step 2 : "/wizard/step2/" Step 3 : "/wizard/step3/"

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• Tracking a goal through a virtual pageview is not registering

  - by Will

  I am trying to track a goal in Google Analytics through a virtual pageview. As you can see in the code example, it is linking out from a picture instead of text with a link. I triple-checked to see if I had my Goals set up properly in the Admin panel, where the goal URL is set to "/click2", the goal type is URL destination and the match type is Head Match. I am unsure if the problem lies in the fact that it's linking out to an "https" link or if the link is attached to a picture that serves as a Call To Action. I would appreciate if any of you can help shed some light on this problem I'm having.

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• C++ compiler structures such as Virtual method Table etc

  - by Roger

  I am aware of the C++ Virtual Table which allows dynamic dispatch for doing things at runtime (although if I am honest I am not completely sure of the full list of things it achieves). I am wondering what other "low level" aspects of C++ are there, which one doesnt usually come across when learning the C++ language? Things like: -How is multithreading and locking on objects performed? -Overloading/overwriting functions -Generics Are there other "structures", similar to the vtable, which assist with these types of things on a lower level? (and if anyone can help with what the VTable actually does it would be most appreciated!)

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• Extended Events demos on Microsoft Virtual Academy

  - by extended_events

  I had an opportunity recently to contribute a presentation to the Microsoft Virtual Academy as part of the Mission Critical Confidence using SQL Server 2012 course offering. The MVA offers you a myriad of free training opportunities, so I encourage anyone who is interested in expanding your knowledge to take advantage of this offering. For those of you who don’t want to invest the time to go through the whole course, you can access my presentation here. I cover the following topics: Integration of Extended Events into AlwaysOn troubleshooting. Troubleshooting Login failures using client/server correlation. Troubleshooting query performance issues using client/server correlation. I’m not sure how long content is made available on MVA, I got the impression that it would be removed as some point in the future, but should be there for at lease several months. - Mike

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• Virtual box doesnt have files machine and help tab

  - by user54986

  this is the second time im asking this question because someone had to close my question for a reason which i still dont understand. this is the original question Why is my files,machine,help tab missing in ubuntu 11.10? Most importantly ,i cannot access the machine menu that should be there but isnt. im using ubuntu 11.10 with oracle 4.1.10 heres a picture of what ubuntu should look like,or maybe i am wrong, http://i.stack.imgur.com/JgM5S.png The reason why im asking,is because id like to run a usb key inside my virtual box,but since i cannot access machine,i cant access the devices manager either. Just for your information,ive already installed the guest additions.

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• Reminder: Free, Global, Virtual Developer Day November 5th

  - by jeckels

  Just a quick reminder about the FREE virtual developer day focused on Coherence (and WebLogic) coming on November 5th. This day, with content tailored for developers, will guide you through tooling updates and best practices around creating applications with WebLogic and Coherence as target platforms. We'll also explore advances in how you can manage your build, deploy and ongoing management processes to streamline your application's life cycle. And of course, we'll conclude with some hands-on labs that ensure this isn't all a bunch of made-up stuff - get your hands dirty in the code!November 5, 20139am PT/12pm ETREGISTER NOW We're offering two tracks for your attendance, though of course you're free to attend any session you wish. The first will be for pure developers with sessions around developing for WebLogic with HTML5, processing live events with Coherence, and looking at development tooling. The second is for developers who are involved in the building and management processes as part of the application life cycle. These sessions focus on using Maven for builds, using Chef and Puppet for configuration and more.We look forward to seeing you there - don't forget to invite a friend!

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• How do I get the Virtual Machines folder on Win7?

  - by xpmore

  I'm writing a tool called XP-More, which should help manage Windows 7 Virtual Machines. The first thing the tool has to do when launched is find the VM folder. However, turns out that folder is not listed as a Windows Special Folder. I use a workaround, but it's unreliable. Ideally, Environment.GetFolderPath(Environment.SpecialFolder.VMFolder) or so would have done the job, but VMFolder is a fiction of my imagination. Is there any real way to get that folder?

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• What application virtual machines are written in high level languages?

  - by jeshan

  What application virtual machines are out there that are written in higher level languages? C/C++ looks like the languages of choice (for obvious reasons). What I have found on google is at least two written in Java (both meta-circular) : JikesRVM and Maxine. Anything else that you have found?

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• Ubuntu Server - Virtual Box?

  - by user186144

  So I got VirtualBox just for Ubuntu Server, I'm currently Running Ubuntu 12.04 as my main OS. But when I got everything set up in Ubuntu Server 12.04, including my ports forwarded and a test Minecraft server up... I realized that nobody could join my public IP I sent out, not even me! I can connect to the ipv4 address. It acts like I didn't forward my ports. But I forwarded 25565 to Input and Output and they're both TCP and UDP. Is this just a virtual box issue or am I doing something wrong? * Using Eth0 wired connection

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• What's the drawback to declare all the functions virtual in C++?

  - by skydoor

  Hi, If I am developing a class and I don't know who are going to use it. What's the drawback if I declare all the member functions virtual? It's a good design or bad design? Thanks so much! Regards.

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• downgrading a ubuntu 10.04 LTS virtual server

  - by castigli

  I am downgrading an existing ubuntu 10.04 LTS Virtual Server to one with less memory and a smaller drive ( from 80GB to 40GB ). My hoster ( hetzner.de ) does not give me the possibility of doing an inplace downgrade, so I have to create a new server. What is the best way to make an image of the first system and "apply it" to the new one ? I know there other answer but in my situation I am not sure I would be able to use Clonezilla or other GUI tools, because the installation is minimal with no GUI. Thanks in advance Michele

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• C++ how position indpendent code works for virtual function calls and more..?

  - by 0xDEAD BEEF

  How does PIC work for shared libraries which use virtual classes (ARM?). Is there any workaround so that i can access programm class object from shared library or vice versa?

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• Can we say that virtual function(Polymorphism) is for comfort(ease of handling) as Templates are??

  - by Narek

  For example concept of Templates in C++ are for comfort as compiler generates some additional code, for your class or for your function, isn't it? So we could live without template by doing some additional (manual work). What about virtual functions??? Are there any situations where both of them are irreplaceable?

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• Can you access a Virtual Directory outside of an ASP.NET website?

  - by Bonzai

  Can you access a Virtual Directory outside of an ASP.NET site? For example, in a Console application?

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• YOUR FREE, EXCLUSIVE, ONLINE UPDATE ON FANTASTIC NEW ORACLE PARTNER OPPORTUNITIES - REGISTER TODAY!

  - by Claudia Costa

  New products. New specializations. New opportunities.There really has never been a better time to be an Oracle partner! Find out exactly what Oracle's "Software. Hardware. Complete" strategy, and the latest developments in the OPN Specialized program, mean for your business.   Register now for the Oracle PartnerNetwork Days Virtual Event on the 29th of June at 11:00h to learn: How to use Oracle's uniquely comprehensive technology stack to grow your business How specialization with Oracle can significantly improve your competitive position How the Oracle PartnerNetwork is evolving to help you succeed Highlights include important updates from Oracle EMEA strategy, partner and product leaders, a live link to the Oracle FY11 Global Partner Kickoff, and interviews with local Oracle partners that are already enjoying the benefits of specialization. The event will also feature: ·         Live Q&A sessions with our speakers, ·         Virtual information booths packed with useful information ·         Opportunities to network with Oracle experts and your peers. ·         Special guest speaker is a former Microsoft executive who has used the principles of specialization with spectacular results to become one of the world's most successful social entrepreneurs. Plus, at the end of the event, you can submit your feedback form for your chance to win two passes to Oracle OpenWorld in San Francisco this September! CLICK HERE TO REGISTER NOW!

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• How anti-virus on the host machne affects performance of virtual machines?

  - by Ladislav Mrnka

  I'm diagnosing some issue with Oracle virtual box where virtual machine sometimes perform terribly slow (much slower then notebook with worse configuration): Notebook i7 (2 cores with HT = 4 logical CPUs), 4GB RAM, 5400 rpm disk, Win 7 64bit Virtual machine (Oracle Virtual Box) Host: i7 (4 cores with HT = 8 logical CPUs, 12 GB RAM, system runs from SSD, virtual machine from 7200 rpm disk, Win 7 64bit) Virtual machine: 4 cores assigned, 8 GB RAM assigned, Win 2008 R2 Enterprise (64 bit) Virtual machine uses bridge to separate network interface (machine has two) VPN for network communication No other virtual machine runs on the host Host has installed ESET Smart Security All SW is updated with last version. My question is if anti-virus on the host machine can somehow affect performance of the virtual machine and if so how can I turn it off without turning the anti-virus itself?

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