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  • Using Computer Management (MMC) with the Solaris CIFS Service (August 25, 2009)

    - by user12612012
    One of our goals for the Solaris CIFS Service is to provide seamless Windows interoperability: not just to deliver ubiquitous, multi-protocol file sharing, which is obviously a major part of this project, but to support Windows services at a fundamental level.  It's an ongoing mission and our latest update includes support for Windows remote management. Remote management is extremely important to Windows administrators and one of the mainstay tools is Computer Management. Computer Management is a Windows administration application, actually a collection of Microsoft Management Console (MMC) tools, that can be used to configure, monitor and manage local and remote services and resources.  The MMC is an extensible framework of registered components, known as snap-ins, which allows Computer Management to provide comprehensive management features for both the local system and remote systems on the network. Supported Computer Management features include: Share ManagementSupport for share management is relatively complete.  You can create, delete, list and configure shares.  It's not yet possible to change the maximum allowed or number of users properties but other properties, including the Share Permissions, can be managed via the MMC. Users, Groups and ConnectionsYou can view local SMB users and groups, monitor user connections and see the list of open files. If necessary, you can also disconnect users and/or close files. ServicesYou can view the SMF services running on an OpenSolaris system.  This is a read-only view - we don't support service management (the ability to start or stop) SMF services from Computer Management (yet). To ensure that only the appropriate users have access to administrative operations there are some access restrictions on these remote management features. Regular users can: List shares Only members of the Administrators or Power Users groups can: Manage shares List connections Only members of the Administrators group can: List open files and close files Disconnect users View SMF services View the EventLog Here's a screenshot when I was using Computer Management and Server Manager (another Windows remote management application) on Windows XP to view some open files on an OpenSolaris system to prepare a slide presentation on MMC support.

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  • Notepad++ shortcuts not getting copied to the second computer where I want to replicate my settings

    - by Dragos Toader
    In Notepad++, there's a way to assign your custom shortcuts by going to Run - Modify Shortcut/Delete Command... This brings up the Shortcut Mapper I set up my custom shortcuts on Computer 1 I then installed Notepad++ with the same install settings and plugins on Computer 2 I then created a zip archive of my Notepad++ folder in Program Files on Computer 1 I overwrote the Notepad++ folder in Program Files on Computer 2 with this archive My custom shortcuts did not come across. I thought that the shortcuts were saved in C:\Program Files\Notepad++\shortcuts.xml I compared C:\Program Files\Notepad++\shortcuts.xml from Computer 1 with the same file on Computer 2 and the two files are identical. Why then are the shortcuts not coming across to Computer 2? Computer 1 is Windows XP Computer 2 is Windows Server 2008 R2

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  • What topic in computer science is this?

    - by jasonbogd
    Hi, I am trying to figure out what 'topic' this is called, so I can learn more about it. Basically, I'm talking about designing my applications's architecture. I'm not talking about algorithms. More like -- this class should have these methods and these instance variables, and communicate with this class in this way, this class should have these responsibilities etc. Can anybody tell me what the name of this topic is called and how I can get better at doing this? Thanks.

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  • Turing Model Vs Von Neuman model

    - by Santhosh
    First some background (based on my understanding).. The Von-Neumann architecture describes the stored-program computer where instructions and data are stored in memory and the machine works by changing it's internal state, i.e an instruction operated on some data and modifies the data. So inherently, there is state msintained in the system. The Turing machine architecture works by manipulating symbols on a tape. i.e A tape with infinite number of slots exists, and at any one point in time, the Turing machine is in a particular slot. Based on the symbol read at that slot, the machine change the symbol and move to a different slot. All of this is deterministic. My questions are Is there any relation between these two models (Was the Von Neuman model based on or inspired by the Turing model)? Can we say that Turing model is a superset of Von Newman model? Does functional Programming fit into Turing model. If so how? (I assume FP does not lend itself nicely to the Von Neuman model)

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  • Mathematics for Computer Science Students

    - by Ender
    To cut a long story short, I am a CS student that has received no formal Post-16 Maths education for years. Right now even my Algebra is extremely rusty and I have a couple of months to shape up my skills. I've got a couple of video lectures in my bookmarks, consisting of: Pre-Calculus Algebra Calculus Probability Introduction to Statistics Differential Equations Linear Algebra My aim as of today is to be able to read the CLRS book Introduction to Algorithms and be able to follow the Mathematical notation in that, as well as being able to confidently read and back-up any arguments written in Mathematical notation. Aside from these video lectures, can anyone recommend any good books to help teach someone wishing to go from a low-foundation level to a more advanced level of Mathematics? Just as a note, I've taken a first-year module in Analytical Modelling, so I understand some of the basic concepts of Discrete Mathematics. EDIT: Just a note to those that are looking to learn Linear Algebra using the Video Lectures I have posted up. Peteris Krumins' Blog contains a run-through of these lecture notes as well as his own commentary and lecture notes, an invaluable resource for those looking to follow the lectures too.

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  • Why do we need different CPU architecture for server & mini/mainframe & mixed-core?

    - by claws
    Hello, I was just wondering what other CPU architectures are available other than INTEL & AMD. So, found List of CPU architectures on Wikipedia. It categorizes notable CPU architectures into following categories. Embedded CPU architectures Microcomputer CPU architectures Workstation/Server CPU architectures Mini/Mainframe CPU architectures Mixed core CPU architectures I was analyzing the purposes and have few doubts. I taking Microcomputer CPU (PC) architecture as reference and comparing others. Embedded CPU architecture: They are a completely new world. Embedded systems are small & do very specific task mostly real time & low power consuming so we do not need so many & such wide registers available in a microcomputer CPU (typical PC). In other words we do need a new small & tiny architecture. Hence new architecture & new instruction RISC. The above point also clarifies why do we need a separate operating system (RTOS). Workstation/Server CPU architectures I don't know what is a workstation. Someone clarify regarding the workstation. As of the server. It is dedicated to run a specific software (server software like httpd, mysql etc.). Even if other processes run we need to give server process priority therefore there is a need for new scheduling scheme and thus we need operating system different than general purpose one. If you have any more points for the need of server OS please mention. But I don't get why do we need a new CPU Architecture. Why cant Microcomputer CPU architecture do the job. Can someone please clarify? Mini/Mainframe CPU architectures Again I don't know what are these & what miniframes or mainframes used for? I just know they are very big and occupy complete floor. But I never read about some real world problems they are trying to solve. If any one working on one of these. Share your knowledge. Can some one clarify its purpose & why is it that microcomputer CPU archicture not suitable for it? Is there a new kind of operating system for this too? Why? Mixed core CPU architectures Never heard of these. If possible please keep your answer in this format: XYZ CPU architectures Purpose of XYZ Need for a new architecture. why can't current microcomputer CPU architecture work? They go upto 3GHZ & have upto 8 cores. Need for a new Operating System Why do we need a new kind of operating system for this kind of archictures?

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  • Finding the model of an old computer i used to own?

    - by mcbeav
    This might sounds ridiculous, but I need some help finding the model of an old computer i used to own. I know what the computer looks like. It was made by Packard Bell, but i can't find hardly any information on older packard bell computers anywhere online. I got the computer around 1999, give or take a couple of years. It came with Windows 98 preinstalled. It was a tower desktop. I was wondering if anyone knows of a website or reference tool where i can find some information on older model desktop computers.

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  • Play music on iPhone through computer

    - by Kyle Cronin
    Now that I've had my iPhone for a few months, I'm trying an experiment to see if I can't replace the laptop I carry around with my iPhone + internet connected computer. To this end, I've been trying to find a program that will let me play the music on my iPhone through the hardware and software on the host computer. If I recall correctly this was possible a few years ago with the iPod - Linux software like Rhythmbox and Banshee was able to read the music off an iPod and play it through the speakers. I even thought I recalled iTunes itself being capable of this at one time. Now, however, iTunes greys out/disables the music on my iPhone and I can't find any documented support for the iPhone in any other music program. Is this really no longer possible? Am I limited to using the headphone jack to get music to play? (note: I am using an iPhone 3G with the 3.0 software. I am attempting to play music on computers other than the one I sync with) Several replies mention that I should check "manually manage" to do this. I just tried this on a computer that I don't sync my iPhone to and it asked me to erase and sync, which is obviously something I don't want to do. update: OK, I checked the "Manually manage music and videos" box on a computer that I didn't sync to (now known as "Computer A"), and it told me that I needed to erase & sync to cause the changes to have effect, so I did. At this point I'm guessing that my iPhone thinks that it's syncing with that computer. I copied over a few songs using the autofill feature. At this point, Computer A sees the maybe 10 or so songs I've copied using autofill. I then plug my iPhone into my Macbook ("Computer B") which I've been syncing with. At this point, I'm pretty sure that it still thought that all my synced content was still on my iPhone. The "manually manage music and videos" checkbox isn't checked, so I check it and go through a similar process where iTunes erases the synced content and I copy over a playlist. At this point, there's no trace of the songs that I copied over from Computer A. So I plug my iPhone into Computer A - in the Music section are the handful of songs that I had copied over earlier, greyed out and unplayable. To make sure that this wasn't some sort of caching issue, I plugged my iPhone into my sister's Macbook ("Computer C") and it lists the same few, greyed out songs that I had copied over from Computer A. Plugging into Computer B doesn't reveal these songs at all, only the songs that it copied over (these are playable). A few things: This inconsistent behavior is driving me insane. Why would my iPhone report two versions of its contents to different computers? Is there a way to get a computer to completely forget about an iPhone and just resync everything to get everything into a consistent state? Even if I get the phone into a consistent state, I still can't play the files on my phone anywhere but the computer I sync with, which was my original goal. What am I doing wrong? maybe I should read the fine print before I mess with my iPhone So going over this thread with a fine-toothed comb again yields this lovely tidbit in the Apple docs: Note: Even when manually managing, some content may only be available from one library at time. This includes all content on iPhone and video content on iPods. OK, so manually managing is a dead end on the iPhone. Are there any other options? Any unofficial third-party programs or drivers that will work?

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  • I cant install ubuntu 12.04 on my dell latitude d510

    - by Jose de Jesus
    I download the iso from Ubuntu.com and burned into a CD-R with the program in the page. The disc work right in my desktop but when i run it in my laptop appears another menu with the options prove ubuntu, install ubuntu, check the memory, check for errors, and run windows.When i try the option install appears in the screen "Ubuntu" in the center and littles points down (loading) and after 5 minutes the computer freeze. What can i do?

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  • What part of a computer can you "skimp" on?

    - by Paolo Bergantino
    So I'm thinking about building myself a new rig. I want to go for value more than anything, but I also want to get myself a nice enough setup that I can play the latest games considerably well. Last time I built a computer I skimped on the power supply and it bit me big time later on. I know the ideal answer is "don't skimp on anything", but are there are any parts of a computer you can do relatively well without having a particularly "good" component?

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  • Electric Dreams: Picking Out a Vintage 1980s Computer [Video]

    - by Jason Fitzpatrick
    What if you had to pick out a 1980s era computer for use in your home today? BBC show Electric Dreams walks us through the history with a “time traveling” family. Electric Dreams is a show based on the novel premise that an average British family is starting, technologically speaking, in the 1970s and progressing over a month to the year 2000–restricted each step of the way to using technology available only in the era they are emulating. In the above video clip they’ve reached 1982 and visit the National Museum of Computing to pick out a vintage computer. It’s interesting to see the kids interact with the computer and experience programming for, presumably, the first time. Have a vintage computer memory (mine is programming on a Timex Sinclair); let’s hear about it in the comments. Electric Dreams – The 1980s ‘The Micro Home Computer Of 1982′ [via O'Reilly Radar] How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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  • Idea for a physics–computer science joint curriculum and textbook

    - by Ami
    (I apologize in advance if this question is off topic or too vague) I want to write (and have starting outlining) a physics textbook which assumes its reader is a competent computer programmer. Normal physics textbooks teach physical formulas and give problems that are solved with pen, paper and calculator. I want to provide a book that emphasizes computational physics, how computers can model physical systems and gives problems of the kind: write a program that can solve a set of physics problems based on user input. Third party open source libraries would be used to handle most of the computation and I want to use a high-level language like Java or C#. Besides the fact I'd enjoy working on this, I think a physics-computer science joint curriculum should be offered in schools and this is part of a large agenda to make this happen. I think physics students (like myself) should be learning how to use and leverage computers to solve abstract problems and sets of problems. I think programming languages should be thought of as a useful medium for engaging in many areas of inquiry. Is this an idea worth pursuing? Is the merger of these two subjects in the form of an undergraduate college curriculum feasible? Are there any specific tools I should be leveraging or pitfalls I should be aware of? Has anyone heard of college courses or otherwise that assume this methodology? Are there any books/textbooks out there like the one I'm describing (for physics or any other subject)?

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  • Browse Through Radio Shack’s 1983 Computer Catalog [Scanned Image Set]

    - by Asian Angel
    Are you ready for a blast from the past? Then indulge in a bit of retro fun with this scanned image collection of Radio Shack’s 1983 computer catalog. Anyone up for a shiny ‘new’ TRS-80 computer for Christmas? Radio Shack Catalog RSC-09 Computer Catalog [via BoingBoing] Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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  • Best advice for setting up Ubuntu on my mother's computer

    - by idealmachine
    Intended use My mother had an old Compaq desktop computer running Windows 98, which she used for occasional Web browsing and playing cards. The name of her card game is Hoyle Card Games 3. Although I had to repair it several times over the last 10 years, it worked fine until it finally died at the end of last year. Hardware specifications A relative brought up a newer computer soon afterward: Operating system: Windows XP Asus K8N motherboard (with broken on-board sound; getting a sound card) Athlon 64? processor (don't remember the clock speed) 512 MB RAM Hope the graphics card works... Replacement sound card will be one of: Ensoniq ES1370 AudioPCI Diamond Monster Sound MX300 (Aureal chipset) Sound Blaster Audigy 2 SE Peripherals HP Scanjet 3400c scanner (USB connected) HP LaserJet multi-function printer (parallel port connected, and printing works with a PCL driver) Same serial mouse as old computer Question I had set up an SSH/VNC connection to allow for remotely working out problems. Or so I thought. A month later, the computer would not boot, rendering the SSH connection useless and an OS reinstall necessary. Unfortunately, I have neither the original Windows disc nor the product key. Unless I were to pay $200 for a full Windows 7 Home Premium license for my computer, I would not be able to re-install Windows XP on hers. I consider myself an advanced Linux user, having used Debian for years. So here are my questions. I have only one day to decide whether to use Ubuntu or buy Windows: A quick search leads me to believe all the hardware listed above is supposed to work with Linux, but am I mistaken? Would Ubuntu/Xubuntu suffice (specify which one if it matters), or would I be better off paying the $200 necessary for Windows XP? Is the card game likely to run on Wine? I believe the minimum system requirement is Windows 95. Failing Wine compatibility, will VirtualBox run fast enough on such a computer (Windows 98 as the guest OS)? Are there any free card games just as good? She plays mainly Bridge, Poker, and Solitaire. Is there any "Large Fonts" option for those with poor vision? The lack of it would be a big disadvantage. BONUS: Although I would probably replace the old mouse upon a move to Ubuntu, is it even possible to get a serial mouse working?

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  • Netlogo Programming question - Chemical Equilibrium temperature and pressure implementation

    - by user286190
    Hi I am trying to code something in Netlogo..I am using an existing model Chemical Equilibrium and am trying to implement the following: turtles-own [speed ] ask turtles [ ;; set velocity ( ambient-temperature = 30 ) ;; fd velocity if temp > 40 [ "speed" increases of turtles ] ifelse temperature < 30 [ speed of turtles decreases] ] ;; to temp but it does not seem to work (it temperature is more than 40 the speed of the turtles increases if the temperature is less than 30 the speed of the turtles decreases) temperature is a slider on the model the same for pressure ask turtles [ ;; if pressure > 50 then speed increases of turtles ;; if pressure < 50 then speed decreases of turtles ] ;; to pressure thanks

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  • My computer stops seeing the other computers on my network

    - by dan
    I'm running Ubuntu 11.04. Sometimes my computer stops seeing the names of the other computers on my network. So I can no longer log into another computer by typing the hosting name e.g. ssh [email protected] I can still log in using the local network IP address. How can I get the first way to work again without rebooting? I know this problem is local to the computer. The other computers on my network can still see one another. But they can no longer see the computer I'm working on, not even by local ip address.

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  • How To Prevent Your Computer From Waking Up Accidentally

    - by Chris Hoffman
    If you find your Windows computer waking from sleep for no apparent reason, your computer is either being woken up by a hardware device – such as your mouse — or scheduled task set to wake your computer. In some cases, the cause may not be obvious. For example, if your laptop occasionally wakes up for no apparent reason, it’s possible that the floor is shaking a bit, causing the mouse to vibrate slightly and wake the computer. Java is Insecure and Awful, It’s Time to Disable It, and Here’s How What Are the Windows A: and B: Drives Used For? HTG Explains: What is DNS?

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  • 40 Vintage Computer Ads of Yesteryear [Image Collection]

    - by Asian Angel
    Earlier this week we shared an awesome retro ad for a 10 MB hard-drive with you and today we are back with more classic ad goodness. Travel into the past with these forty vintage computer ads from yesteryear! Special thanks to ETC reader George for sharing this awesome link with us! 40 Vintage Computer Ads of Yesteryears [HongKiat] Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked

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  • Computer Science Fundamentals - Recommended books

    - by contactmatt
    Hey, I'm looking to see if anyone can recommend any books in fundamentals of computer science. I obtained my associates degree as a programmer/analyst a couple years ago and I know a good amount about programming on the .NET framework. I'm even certified on the .NET 4 framework as a web application developer. However, since I was only able to obtain my associates degree, I was deprived at my college on the low-level basics and operations of computers and basic computer science information. I'm really interesting in learning about the low-level operations of a computer and in programming (bytes, bits, memory management, etc.) Can anyone recommend any good computer science books for someone who is decently experienced in programming? Thank You

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  • Installation problems with Gimp 2.8 on Kubuntu 12

    - by Martyn
    I've just upgraded to Kubuntu 12.04 and having problems installing Gimp 2.8, I was wondering if anyone can help me? I've followed these instructions: sudo add-apt-repository ppa:otto-kesselgulasch/gimp sudo apt-get update sudo apt-get install gimp but get this error: The following packages have unmet dependencies. gimp : Depends: libwebkitgtk-1.0-0 (>= 1.3.10) but it is not going to be installed E: Unable to correct problems, you have held broken packages. I've tried running these and trying again with the same problems: sudo apt-get clean sudo apt-get autoremove sudo apt-get update sudo apt-get upgrade sudo apt-get -f install also running sudo apt-get install libwebkitgtk-1.0-0 gives me this error The following packages have unmet dependencies. libwebkitgtk-1.0-0 : Depends: libgail18 (>= 1.18.0) but it is not going to be installed E: Unable to correct problems, you have held broken packages. and then running sudo apt-get install libgail18 gives me this error The following packages have unmet dependencies. libgail18 : Depends: libgtk2.0-0 (= 2.24.10-0ubuntu6) but 2.24.10-1oneiric6~ppa is to be installed E: Unable to correct problems, you have held broken packages. The bit that caught my attention was but 2.24.10-1oneiric6~ppa is to be installed - but I don't know what to do with this. I've rebooted and the error messages are the same. Can anyone help? ** EDIT ** I've found someone with the same problem, unfortunately the link is in German so I can't completely understand what the solution (last post) is - here's the google translated link : http://translate.google.com/translate?sl=auto&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwebcache.googleusercontent.com%2Fsearch%3Fq%3Dcache%3A1U2Uat6XqUsJ%3Aforum.ubuntuusers.de%2Ftopic%2Fprobleme-nach-update-fehlerhafte-pakete-aus-on%2F%2B%26cd%3D3%26hl%3Den%26ct%3Dclnk%26gl%3Duk&act=url

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