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• Create and use intermediate certificate authority on Windows Server 2012?

  - by Sid

  Background: Server OS is Windows Server 2012. GUI is installed as we come upto speed with powershell. Setup is staging, not production (yet). We have our (internal, domain limited) Root CA installed. I would like to take the Root CA offline to secure storage but before that I'd like to setup an intermediate CA which can take over actual live, online (int-RA-net) functionality Can someone guide me covering: creating the intermediate CA certificate request installing the intermediate CA certificate on domain controller (certification authority role already installed with Root CA online right now) use the intermediate CA to generate a certificate (any use certificate, just for demonstration purposes) Obviously this certification chain would be invalid on computers outside our domain (self trusted root - our root certificate is NOT from common 3rd parties). This last point is NOT a problem.

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• Hiding monitor from windows, working with it from my app only [closed]

  - by Mikhail

  I need to use a monitor as a "private" device for my special application, I want to use it as a flashlight of a sort and draw special patterns on it in full screen. I don't want this monitor to be recognized by OS (Windows 7) as a monitor. I.e. user should not be able to move mouse to that monitor, or change its resolution, or run screensaver on it or whatever. But I want to be able to interact with it from my application. Monitor is plugged using an HDMI cable to a video card (most probably nVidia). What is the simplest way to do this? All solutions are appreciated, including purchasing additional adapters or simple video cards, or any other special devices.

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• How do I get wireless and video working on a Sony Vaio vpc-z21x9r

  - by Alex

  OS: Ubuntu 11.10 Kernel: 2.6.37.6 Laptop: sony vaio vpc-z21x9r The problem: I can't change level of screen backlight; also can't enable wi-fi. While using 3.0 kernel everything is ok, but the laptop discharges too quickly. Results for lspci 02:00.0 Network controller: Intel Corporation Centrino Wireless-N + WiMAX 6150 (rev 5f) VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) there is no wlan0 in ifconfig -a too. I've fount that kernel should already have drivers for this graphics controller, but when i load up in restore mode, it writes "fall" while trying to load up some video drivers. To change the level of backlight i've alrady tried: xbacklight -set XX , smartdimmer -s XX and got this init_ nvclock() failed! also sudo setpci -s 00:02.0 F4.B=XX with no results. As for wi-fi, i've found driver but i don't understand how to install it. Here it is How can I fix these problems? Thank you for your help and time! Also tried to fix problems with backlight writing GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset acpi_backlight=vendor Still no results. Is there any sense in recompiling kernel, I mean 2.6.37.6. Can it make any improvements in the situation?

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• Is there a point to using theft tracking software like Prey on my laptop, if you have login security?

  - by Reckage

  Hey, so I have a Thinkpad that I use in a variety of places (coffee shops, work, etc.). I don't generally abandon it, but I figure there's a chance I might get careless and it gets stolen at some point. I was thinking of installing something like Prey (http://preyproject.com/), but my OS installs are password secured, and on top of that, I have a fingerprint reader that you need just to get through the BIOS. So: is there actually any benefit to setting up software that tracks the laptop's whereabouts? I imagine that either: The laptop won't boot or login, if the thief doesn't get past the security. If the thief goes around said security somehow, presumably they've split the laptop for parts or bypassed BIOS security, gotten stuck on Windows security and formatted it. Given that it's highly unlikely that the thief would go to the trouble, what's the utility in installing laptop tracking software like Prey?

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• Memeory Leak in Windows Page file when calling a shell command

  - by Arno

  I have an issue on our Windows 2003 x64 Build Server when invoking shell commands from a script. Each call causes a "memory leak" in the page file so it grows quite rapidly until it reaches the maximum and the machine stops working. I can reproduce the problem very nicely by running a perl script like for ($count=1; $count<5000; $count++) { system "echo huhu"; } It is independent of he scripting language as the same happens with lua: for i=1,5000 do os.execute("echo huhu") end I found somebody describing the same issue with php at http://www.issociate.de/board/post/454835/Memory_leak_occurs_when_exec%28%29_function_is_used_on_Windows_platform.html His solution: Firewall/Virus Scanner does not apply, neither are running on the machine. We can also reproduce the issue on other Developer Machines running XP 64, but not on XP 32 Bit. The guilty guy for the allocation is C:\WINDOWS\System32\svchost.exe -k netsvcs which runs all the basic Windows services. Does anybody know the issue and how to resolve it ?

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• From which plex am I booted from on raid?

  - by rumburak

  I have a server with mirrored boot volume. It is software raid 1 in Windows Server 2008 R2. I do not have physical access to the server. I am looking for a way to check which disk is a boot drive. I need a way to check it from os. How can I do that ? EDIT: I know how to do that, but I dont think its proper way. From diskpart I can break mirror: select volume 0 break disk=0 And Windows will only allow me to do that on not current boot disk. I want to check which one is boot without breaking mirroring.

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• Handling window resize with arbitrary aspect ratios

  - by DormoTheNord

  I'm currently making a 2D game using SFML. I want the aspect ratio to be maintained when the user resizes the window. I also want the game to work with any arbitrary aspect ratio (like any media player would). Here is the code I have so far: void os::GameEngine::setCameraViewport() { sf::FloatRect tempViewport; float viewAspectRatio = (float)aspectRatio.x / aspectRatio.y; float screenAspectRatio = (float)gameWindow.getSize().x / gameWindow.getSize().y; if (viewAspectRatio > screenAspectRatio) { // Viewport is wider than screen, fit on X } else if (viewAspectRatio < screenAspectRatio) { // Screen is wider than viewport, fit on Y } else // window aspect ratio matches view aspect ratio { tempViewport.height = 1; tempViewport.width = 1; tempViewport.left = 0; tempViewport.top = 0; } viewport = tempViewport; camera.setViewport(viewport); gameWindow.setView(camera); } The problem is I'm having trouble with the logic to determine the properties of the viewport.

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• Dual boot Windows 8 and Ubuntu?

  - by askvictor

  I've installed Windows 8 on a machine (lenovo x220 laptop) with Ubuntu 12.10 already installed on another disk. I am guessing that Windows 8 has convinced the laptop to switch to UEFI boot (rather than the BIOS boot that was there previously) as the Lenovo splash screen on startup now no longer has the options to interrupt the boot process (e.g. to choose the boot drive). Previously I had Windows 8 on one drive and Ubuntu on the other drive, so could choose my OS through the BIOS rather than through grub or other bootloader but now no longer have that option. How can I get back the option to boot Ubuntu? I would sort of prefer UEFI boot as it seems much faster than BIOS.

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• How to de-dupe identical photos that have a slightly different file size?

  - by GJ.

  I imported many photos using the new "camera import" feature of Dropbox. Many of those were duplicates of photos previously imported by direct copying from the camera. Strangely, the Dropbox import appears to slightly reduce the file size. E.g. here on the right is the file imported through Dropbox: Comparison of the two files using pdiff returns "Images are binary identical", but tools such as fdupes or even the Picasa "show duplicate files" feature, consider them as unique. What can be the cause of this file size change? Is there any way to undo it? Most importantly: how can I de-dupe efficiently without regard to file size comparison? (running pdiff comparison over all photo pairs in my library is obviously impractical...) A solution for either OS X or Windows would do.

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• Snow Leopard, PHP, and MySQL

  - by Peter

  I have just installed Snow Leopard and now my PHP/MySQL program ends in a "Segmentation fault". I have been searching the web for a solution, I realize that there are some issues with SL/PHP/MySQL, but I have not found anything that works yet. I downloaded the binary MySQL package mysql-5.1.42-osx10.6-x86_64. I have updated the php.ini file as suggested at various posts. When I run PHP and connect to the MySQL server the behavior is a bit random. In many cases it works fine to connect and read data. In my specific case the PHP program constructs a LOAD DATA LOCAL INFILE ... statement to load data from a text file. It should do several such queries after each other in a loop. It works one time but the halts in a "Segmentation fault". The program worked fine in Leopard, but not now. My versions are: OS 10.6.2, PHP 5.3.0, MySQL 5.1.42

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• What software can copy the whole hard drive with Operating System to DVD-R, and be able to "refresh

  - by Jian Lin

  What software can take a snapshot of a Win XP or Win 7 machine -- burning all files into a DVD-R, and then be able to boot from that DVD-R can restore the whole machine back to that state stored inside the DVD-R? Maybe for Win XP, it is easier as the OS can be just 1 or 2GB on the hard drive, but for Win 7, a fresh installation is already 16GB on the hard drive, so it will need several DVD-R to take the snapshot? thanks. (any of these software are open source?)

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• Apt-Get "sources.list needs at least 1 source-URI" error when building dependecies for Xen

  - by Entity_Razer

  What i'm trying to do is install Xen in a test environment, now I am trying to run the: apt-get build-dep xen-3.3 command, but it keep throwing a error which literally translated from dutch (installed the debian OS in Dutch) say's: E: your sourcelist (/etc/apt/sources.list) has to contain at least 1 source-URI I've googled it but I can't seem to find a definitive solid answer on how to fix this. By default a source-URI (read man page of apt-get) states it needs to be something along the lines of deb ftp://ftp.debian.org/debian stable contrib Now I've got 2 HTTP sources (default Debian ones) up & running so far and they've been working flawlessly for the better part of a few days now. Only now its starting to act up. Anyone able to help me out ? Much obliged !

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• Thinkpad Bluetooth turns itself on upon restart/hibernate

  - by Traveling Tech Guy

  I have a T400 with Windows 7 64bit. About 3 weeks ago, the Lenovo update pushed a Bluetooth update that added a 2.1 driver and device experience. Since then, my bluetooth turns itself on whenever the OS comes up (full restarts as well as waking from hibernation). I can turn it of using the <Fn>+<F5> Radio menu, but it just turns itself on again the next time. If I forget to turn it off, it just eats my battery that much faster.I've been scouring the web and couldn't find similar occurrences. Is this a hardware issue, a BIOS issue (although no reference to BT in any of the BIOS menus), a driver issue or (shudder) a user issue? Thanks for your help.

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• How to Mirror or Clone a Spanned Volume in Windows 2008

  - by Matt

  I have a spanned volume (3x6+ TB disks spanned to one 20+ TB volume) that I need to mirror or clone to a new 20+ TB (unspanned) volume. Once mirrored or cloned I'm going to destroy the original volume and reuse the storage elsewhere. Windows 2008 will not allow me to mirror it because the original is a spanned volume. I cannot simply copy the data, because there are sparse files on the volume. So the OS thinks there is 150+ TB used on the disk when there really is only around 18TB used physically. When I try to use the copy command it won't run because it thinks the destination volume needs to be 150+ TB to hold it all. A conundrum, but I figure someone here has the answer. Thanks, Matt

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• 284 GiB of data, 217.4 GiB of space

  - by Malfist

  I want to reinstall my OS, but I don't have the hard drive space to backup any more (I have a RAID 1 array, so I haven't done it for a while). In my /home I have 284.8 GiB of data, and I have a spare 250 GB (or 217.4 GiB) hard drive that I've been using for backup. What type of compression algorithm (if any) is capable of this type of compression? I don't care about the time, I have a quad core though, so something that utilizes all 4 cores would be great. I have tried 7zip with no success. Ran on one core for two days and failed because of lack of space. Any ideas?

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• Macvim lags while Vim on terminal is buttery smooth

  - by SaamJB

  I am running OS X Lion 10.7.3 and Macvim runs significantly slower than vim on the terminal for me. All movement commands in Macvim are much slower. Moving up and down in visual mode is equally as laggy. I see none of this lag when using vim from the terminal. Does anyone know what the reasons may be? I am running NERDtree on every open tab, and I know this contributes some memory overhead and potentially some slow down; but even when I don't run NERDtree Macvim runs much slower than vim from the terminal. Any help in solving this would be greatly appreciated.

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• Partitioning Software for Windows 7

  - by nunos

  I used to use Patition Magic Pro from Norton to do disk partitioning. Now that I have Windows 7, I have been warned, by the OS itself and later confirmed on the internet, that Partition Magic Pro has compatibility issues with Windows 7. So, I am asking you which software partitioning software do you recommend. It would be great if it was freeware but I know it is hard to find a good parititioning app that's free, so, if you know a good one that's paid, there's no problem and please mention it in your reply. Thanks in advance. P.S. I am aware of "create and format disk partitions feature" of Windows 7, but that's not enough for me. I am using Windows 7 Professional 64 bits.

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• Windows XP Home Edition SP3 cant recognise PCMIA SD Card

  - by Pozo

  System Specifications: Laptop : Dell Inspiron 6000 OS: Windows Home Edition SP3 SD Adapter: Hagiwara Smart Media Adapter I inserted the card into the slot, windows xp recognises the device, lists the pcmia controller on the device manager list, an entry appears under the IDE ATA/ATAPI category on the device manager as well. However, the device does not show under my computer and the driver does not get assigned a letter number. I checked the system logs from the device manager and there were no logged errors. Checking the Hagiwara support website, the manufacturer indicates that the adapter driver is the same as the windows xp pcmia controller. Checking Dell's website, no specific drivers were listed for that either. General Search on the web indicates that multiple people face similar problems with their SD cards, yet none actually spell out the route issue that causes this. Please let me know if you have any suggestions for further debugging. Thanks in advance

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• Data structure for bubble shooter game

  - by SundayMonday

  I'm starting to make a bubble shooter game for a mobile OS. Assume this is just the basic "three or more same-color bubbles that touch pop" and all bubbles that are separated from their group fall/pop. What data structures are common for storing the bubbles? I've considered using an undirected, connected graph where each node is a bubble. This seems like it could help answer the question "which bubbles (if any) should fall now?" after some arbitrary bubbles are popped and corresponding nodes are removed from the graph. I think the answer is all bubbles that were just disconnected from the graph should fall. However the graph approach might be overkill so I'm not sure. Another consideration for the data structure is collision detection. Perhaps being able to grab a list of neighboring bubbles in constant time for a particular "bubble slot" is useful. So the collision detection would be something like "moving bubble is closest to slot ij, neighbors of slot ij are bubbles a,b,c, moving bubble is sufficiently close to bubble b hence moving bubble should come to rest in slot ij". A game like this could be probably be made with a relatively crude grid structure as the primary data structure. However it seems like answering "which bubbles (if any) should fall now?" would be trickier with this data structure.

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• Lubuntu Full Install on USB Drive with Full Disk Encryption and Grub2

  - by vivi

  I apologise for the wall of text, but I want you to scrutinize my thought-process to make sure there's no mistakes and no other way around it: I wish to have a full install of lubuntu with full disk encryption on one of my usb drives. The laptop I would be booting it from also has windows 7. I want to maintain that OS. From what I've read I must place grub2 on the usb drive so that: If I have the usb plugged in, the laptop would start lubuntu (having USB HD in the BIOS Boot options) If I don't have the usb plugged in, it would normally start windows 7. That's exactly what I want it to do. But: If I install from the normal .iso: Clicking "install lubuntu alongside them" would install it onto my normal HD. Clicking "Erase disk and install lunbuntu" would delete all the stuff I have in my HD and install lubuntu on it. Clicking "Something else" would allow me to choose to install lunbuntu and grub2 onto the usb drive, but would not provide it with encryption. So the normal .iso won't work for what I want. Then I found the alternate .iso and this tutorial: It allows me to install lubuntu with all the options I want and gives me the option to choose where to place the grub2! Hopefully there are no flaws in my train of thought. If there aren't, I have a few questions regarding that tutorial: The author says in his case choosing "Yes to install GRUB to your MBR" installed the grub to the usb drive's mbr. I can't have "in his case". I need to be sure that's what it will do, so that it doesn't mess up the windows boot loader. Choosing "no" would open this window and allow to choose where I want to install the grub. Unfortunately I don't understand which option I should type in the box to install it into the usb drive. Would removing my laptop's Hard Drive ensure that the grub is installed onto the usb drive if i picked first option, "yes"? I apologise once again for the wall of text and appreciate any help you guys can offer me.

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• Unity 3D does not work on Dell system with a AMD Radeon HD 6470M

  - by VeeKay

  I am running 64 bit Ubuntu on Dell with 1GB graphic card. I login with "Ubuntu" hoping to see Unity 3d but it doesn't. Unity 2D runs instead. when I type in echo "$DESKTOP_SESSION" it confirms the Unity-2D. I've checked the System info that shows like : The graphics row shows itself as empty. SO I've presumed that the graphic drivers aren't detected and hence I went to Unity- Additional Drivers and installed the fglrx driver that the UI has suggested. Even after installing so, the graphics part in System info details shows nothing and still Unity 2D runs in spite of all the effort. Please help! How can I get my Unity 3D back? Hardware Info Video Card : AMD Radeon™ HD 6470M - 1GB (For ICC) RAM : 6GB (1 X 2GB + 1 X 4GB) 2 DIMM DDR3 1333Mhz OS : 64 bit Ubuntu 11.10 Edit : Output for /usr/lib/nux/unity_support_test -p X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 155 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerString) Serial number of failed request: 21 Current serial number in output stream: 21

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• Broke Ubuntu 12.04 either with Screencloud or Ubuntu Tweak

  - by pgrytdal

  Earlier today I installed the Screen Shot app "Screencloud" and after the installation Firefox was having problems. I didn't think much about it, just closed Firefox, then proceeded to change the toolbar opacity on Ubuntu Tweak. After restarting my system, hoping it would fix Firefox (because, you know, restarting fixes everything ;) ) I am able to go to the Log In Screen, type in my password, but then I get 3 errors regarding the Screencloud Ubuntu One, Imgur, and Dropbox plugins. After clicking the "Okay" on all three errors, all I see is my wallpaper. I am not able to access the terminal VIA CtrlAltT, but I am able to log out VIA CtrlAltDelete. I have tried all desktop environments I have installed (that, except for Unity 2D, has to do with Cairo Dock.) I hope I have provided enough information. If you need more, please ask. Please help! I would like to not have to re-install Ubuntu. Other info: OS: Ubuntu 12.04 I also have a Ubuntu 12.10 Live USB, but Ubuntu 12.10 hasn't run very well on any of my computers.

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• cannot install matplotlib, freetype2 headers are ignored

  - by tgraf

  I want to install matplotlib via pip. There is a problem with freetype2.h REQUIRED DEPENDENCIES numpy: 1.6.2 freetype2: found, but unknown version (no pkg-config) * WARNING: Could not find 'freetype2' headers in any * of '.', './freetype2'. Somebody had a similar problem ( How to install matplotlib on OS X?), and it was suggested to install pkg-config first. I did that with macports, but I still get the same warning. I used find to look for the headers, and they are definitely present in: /opt/X11/include/ft2build.h /usr/X11/include/ft2build.h How can I use those files to install matplotlib?

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• Can a truecrypt container be moved on Fedora Linux?

  - by Thayananthan Narayanan

  I have created a truecrypt container (100GB) to store very important files with vital information hidden on my hardrive running Fedora Linux OS. Now, I want to move the container to portable hardrive. From what I read so far, you should be able to do it easily like any other file. However, I am running into problem. Fedora won't let me. It keeps giving me "Permission denied" error. I think I need to login as a root or superuser, but how do you do that on Fedora. What am I doing wrong?

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• replace windows xp with ubuntu no usb boot option and no cd?

  - by kristian nissen

  I have an old laptop running windows xp, I want to replace it with the latest version of ubuntu. The problem is that the laptop does not support boot from usb - I checked the BIOS but the option is not working, I tried http://www.pendrivelinux.com/testing-your-system-for-usb-boot-compatibility/ but with no luck. I also tried burning the iso on a dvd but the burn process keeps failing. What options do I have? Isn't it possible to install ubuntu somehow by downloading it and replacing it with the current OS?

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