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  • Best method(s) to backup VMs running on HyperV?

    - by Kara Marfia
    We're in the middle of P2V'ing most of the network, so the current backup method is likely the worst - the backup agent is still installed on the guest OSs, and the backup device is dutifully pulling them onto tape, one file at a time. I suspect there's a clever way to script (PowerShell?) a suspend on the VMs, then backup of the .vhd files, and unsuspend the VMs. This seems like it would provide big speed benefits, while losing file-level restore (might be best for things like DCs and app servers). What methods/policies have you hammered out?

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  • AndEngine GLES2 - getting Black screen on emulator 4.1

    - by dizworld.com
    I'm new in andengine . I create following code public class MainActivity extends BaseGameActivity { static final int CAMERA_WIDTH = 800; static final int CAMERA_HEIGHT = 480; public Font mFont; public Camera mCamera; //A reference to the current scene public Scene mCurrentScene; public static BaseActivity instance; public EngineOptions onCreateEngineOptions() { instance = this; mCamera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT); return new EngineOptions(true, ScreenOrientation.LANDSCAPE_SENSOR, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), mCamera); } @Override public void onCreateResources(OnCreateResourcesCallback arg0) throws Exception { mFont = FontFactory.create(this.getFontManager(),this.getTextureManager(), 256, 256,Typeface.create(Typeface.DEFAULT, Typeface.BOLD), 32); mFont.load(); } @Override public void onCreateScene(OnCreateSceneCallback arg0) throws Exception { mEngine.registerUpdateHandler(new FPSLogger()); mCurrentScene = new Scene(); Log.v("Scene","enter"); mCurrentScene.setBackground(new Background(0.09804f, 0.7274f, 0.8f)); // return mCurrentScene; } @Override public void onPopulateScene(Scene arg0, OnPopulateSceneCallback arg1) throws Exception { // TODO Auto-generated method stub } } I got code on sites there is returning scene but in AndEngine GLES2 in method onCreateScene() there is no return scene ... so my First run is BLACK .. any suggestion :)

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  • How could I implement 3D player collision with rotation in LWJGL?

    - by Tinfoilboy
    I have a problem with my current collision implementation. Currently for player collision, I just use an AABB where I check if another AABB is in the way of the player, as shown in this code. (The code below is a sample of checking for collisions in the Z axis) for (int z = (int) (this.position.getZ()); z > this.position.getZ() - moveSpeed - boundingBoxDepth; z--) { // The maximum Z you can get. int maxZ = (int) (this.position.getZ() - moveSpeed - boundingBoxDepth) + 1; AxisAlignedBoundingBox aabb = WarmupWeekend.getInstance().currentLevel.getAxisAlignedBoundingBoxAt(new Vector3f(this.position.getX(), this.position.getY(), z)); AxisAlignedBoundingBox potentialCameraBB = new AxisAlignedBoundingBox(this, "collider", new Vector3f(this.position.getX(), this.position.getY(), z), boundingBoxWidth, boundingBoxHeight, boundingBoxDepth); if (aabb != null) { if (potentialCameraBB.colliding(aabb) && aabb.COLLIDER_TYPE.equalsIgnoreCase("collider")) { break; } else if (!potentialCameraBB.colliding(aabb) && z == maxZ) { if (this.grounded) { playFootstep(); } this.position.z -= moveSpeed; break; } } else if (z == maxZ) { if (this.grounded) { playFootstep(); } this.position.z -= moveSpeed; break; } } Now, when I tried to implement rotation to this method, everything broke. I'm wondering how I could implement rotation to this block (and as all other checks in each axis are the same) and others. Thanks in advance.

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  • USB flash module giving errors

    - by vshenoy
    Hi, I have a SATA USB flash module which was earlier running a 2.4 linux kernel (2.4.36.6) and on which now I am trying to install ubuntu server 10.04.1 LTS. I have two such USB flash modules and on one of them the installation process itself giving these errors: sd 4:0:0:0 [sda] Device not ready sd 4:0:0:0 [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE sd 4:0:0:0 [sda] Sense Key : Not Ready [current] sd 4:0:0:0 [sda] Add. Sense: Medium not present sd 4:0:0:0 [sda] CDB: Write(10): 2a 00 00 05 48 02 00 00 04 00 end_request: I/O error, dev sda, sector 46114 usb 1-1: reset high speed USB device using ehci_hcd and address 2 Buffer I/O error on device sda1, logical block 172033 lost page write due to I/O error on sda1 Buffer I/O error on device sda1, logical block 172034 lost page write due to I/O error on sda1 on the other the installation is successful, but after a day or two of running the machine hangs because of kernel spewing these messages: Remounting filesystem read-only EXT2-fs error (device sda1): read_block_bitmap: Cannot read block [bitmap - block_group = 105, block_bitmap = 860161] EXT2-fs error (device sda1): ext2_get_inode: unable to read inode block - inode=13083, block=24683 ext2_free_inode: bit already cleared for inode 83966 and the machine needs to be hard rebooted. On both the systems SCSI emulation with usb_storage driver is being used to detect the module. Here is the output of /proc/scsi/scsi on 2.4: # cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: TS Model: UFM Rev: 1100 Type: Direct-Access ANSI SCSI revision: 02 and on 2.6: # cat /proc/scsi/scsi Attached devices: Host: scsi6 Channel: 00 Id: 00 Lun: 00 Vendor: TS Model: UFM Rev: 1100 Type: Direct-Access ANSI SCSI revision: 00 i.e. only 'ANSI SCSI revision:' is shown as different, although I am not sure if this can cause any problem. Really appreciate if someone can point as to how to debug this issue or any mailing list where I can further ask questions about this.

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  • When is it time to buy a new hard drive, and what considerations go into buying a new hard drive?

    - by user1125620
    I've had my current hard drive for about 4-5 years now, and I've never had a problem with it before, but now it's making whirring noises. It's done this before and, last time, the noise did go away the next day, but I have accumulated quite a bit of information that I wouldn't want to lose on the drive. HD Tune Pro and Berlac Advisor both said the drive was healthy, and I wouldn't want to get a new one unless it was absolutely necessary or was going to show drastic performance improvements. My only knock against the drive would be that Visual Studio takes longer to load than I'd like it to. HD Tune Pro says the average read speed is 54.3MB/s. I'm not sure if that's good or bad, but it seems about average compared to similar drives on http://www.hdtune.com/testresults.html. Model #: WDC WD5000AAJS-22YFA0 So, should hard drives be replaced after a certain amount of time? Has mine reached that point? Would a new hard drive be any faster?

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  • Dump nginx config from running process?

    - by Sergio Tulentsev
    Apparently, I shouldn't have spent sleepless night trying to debug an application. I wanted to restart my nginx and discovered that its config file is empty. I don't remember truncating it, but fat fingers and reduced attention probably played their part. I don't have backup of that config file. I know I should have made it. Good for me, current nginx daemon is still running. Is there a way to dump its configuration to a config file that it'll understand later?

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  • Installing latest version of R-base

    - by Student
    I have been unsuccessfully trying to install the latest version (2.15.2) of r-base. Apparently, R package "Rcpp" would not install for R version 2.14.1 - the version that installs for me. I am not sure what/how/where to change my installation attempts which appear below. Please note that I am using ubuntu-12.04.1-server-i386. (1) ------------ The current installed version is R version 2.14.1 (2011-12-22) sudo apt-get install r-base Reading package lists... Done Building dependency tree Reading state information... Done r-base is already the newest version. (2) ------------ Including version information doesn't help: sudo apt-get install r-base=2.15.1-5ubuntu1 Reading package lists... Done Building dependency tree Reading state information... Done E: Version '2.15.1-5ubuntu1' for 'r-base' was not found (3) ------------- Changes based on CRAN Ubuntu instructions http://cran.r-project.org/bin/linux/ubuntu/README 3.1: Added to /etc/apt/sources.list deb http://lib.stat.cmu.edu/R/CRAN/bin/linux/ubuntu quantal/ 3.2: sudo apt-get update 3.3: sudo apt-get install r-base Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: r-base : Depends: r-base-core (= 2.15.2-1quantal2) but it is not going to be installed Depends: r-recommended (= 2.15.2-1quantal2) but it is not going to be installed Recommends: r-base-html but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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  • Windows 7 x64 Hard Freezing (again)

    - by Lanissum
    Awhile ago, my computer was randomly freezing a few minutes after booting, and I ended up replacing the CPU and mobo after testing the RAM and hard drive, I also couldn't find anything wrong with the video card. So after replacing the presumably faulty hardware, everything worked fine for about a month and a half. All of a sudden, My computer is randomly freezing a few minutes after loading up any intensive application (games, mostly). Most of the time it just freezes with the current frame until I hard reset, although once it printed a BSOD message stating that dxgmms1.sys was to blame. The only difference between these two episodes I can think of is that I can do word/internet/work without issue now, as opposed to the near uselessness my computer was rendered last time. For those of you who want to know, I tested my memory with memtest86 (for 64 bit machines). I can't figure out what could have started this latest round of issues, the event logger just states that a kernel-power event has occurred (like last time) but I think thats just a generic "this machine has rebooted after a sudden shutdown" message.

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  • Environment variable for volume names in Windows?

    - by Shinrai
    I'm trying to write a batch file that will look at the volume label of the current drive and report if it's not equivalent to a certain string. Is there a default variable in the shell for this? Can I define one? Am I SOL and I'll actually have to do some (shudder) programming? EDIT: If this is possible in PowerShell that would work fine. (For the curious, we ship our machines with software cloning as a rapid bootable backup solution since most of our customers are daytraders and aren't interested in RAID due to urgency of getting-the-hell-back-to-work-right-away if there's a software corruption problem, and we want to make it immediately obvious if they're booting to the backup drive unintentionally, like say the primary failed entirely. The hope was just to write a simple batch file that would autostart on boot and throw a warning in the event of a problem.)

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  • Reduce weight in healthy way

    - by krnites
    This post is my daily summary of activities that I am going to take to reduce my overall weight by 15 lbs. I am not an overweight person as per my height of 5.11 I have decent weight of 178.4 and good body build. But from a long time(approx 3 month) I am thinking of getting 2-3 abs (note not 6 abs) and reducing my weight to below 170 ( which I was 2 years ago). This post will work as my daily diary of what I ate, what exercises I did, what apps/software I used to monitor my weight loss. Sometime it will not contain much information but some time when I will research will contain information for people who really want to reduce weight. My current target for next few week is to run 2.5 miles everyday under 30 minutes. Eat a lot of fruits and vegetable. No burger or tacos. No meat either fat or lean. And checking body weight after every four hour. Here are reading for today10:00 AM  - 178.22:00 PM    - 178.4I have already ran for 2 miles in 25 minutes, did a little bit of shoulder exercise and had eaten small bowl of vegetable biryani and two bread.I hope this post and all coming post will give the reader the first hand experience of a person who had read every blog and articles related to reducing weight and now trying to do it by implementing all of them by self. My approach will be a healthy way of reducing weight, I am not going to starve my self or going to eat only fruits all day. I will enjoy all the food item that I like to eat and will work hard on my body. This way I will / reduce the weight naturally and will increase the flexibility, durability and immunity of my system /body.

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  • How Exchange integrates with DC

    - by TheD
    This probably is a very open ended question, but really I'm only looking for a specific aspect I suppose. It relates to a reboot question I posted earlier, relating to restart orders of servers, Server Restart's and Respective Orders. Please take a look if you get a second for input! Basically - in relation to how Exchange integrates with AD, what would happen in two scenarios: 1). The Exchange server is booted up before the DC is online 2). You replace a DC but keep your current Exchange server. I'm fairly new to all of this, so hopefully this isn't a silly question (I'm an apprentice in fact!). Many thanks

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  • Rejecting new HTTP requests when server reaches a certain throughput

    - by Sam
    I have a requirement to run an HTTP server that rejects new HTTP requests (with a 503, or similar) when the global transfer rate of current HTTP responses exceeds a certain level. For example, if the web server is transferring at 98Mbps, and a new HTTP request arrives, we would want to reject this (as we couldn't guarantee a good speed). I've had a look at mod_cband for Apache, limit_req for nginx, and lighttpd's rate limiting features, but none of them seem to handle my (rather contrived, granted) use case. I should add that I'm open to using pretty much any web server, and am open to implementing this in iptables rules if someone can craft such a rule! (Refusing the TCP connection is fine, it doesn't have to respond with an HTTP 503). Any suggestions?

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  • YouTube custom thumbnails feature availability

    - by skat
    I've been trying to figure out this on my own for weeks, but now I give up. 'Custom thumbnails' feature on YouTube is such a controversial one, it was changed so much... so much that even FAQ on YouTube doesn't fully describe it's features (as I see). I have a YouTube channel for one of my websites. This YouTube channel is main marketing force for my website - it brings all the boys to my yard (I mean, website). So I have to use all the hacky-tricky stuff to increase my visibility on youtube. And damn, those custom thumbnails are giving me hard times... As far as I understand, this is current state of 'custom thumbnail' feature: "If your account is in good standing, you may have the ability to upload custom thumbnails for your video uploads." (c) https://support.google.com/youtube/answer/138008 My channel has good standing, has more than 50000 views. So why the hell my account is still not eligible for this feature? anyone have any idea?

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  • Custom LightDM sessions to launch an application

    - by zachtib
    I'm trying to set up Ubuntu to act as a kiosk running a custom application, and am trying to get a LightDM session built to automatically start it. Ideally, I'd like to have two sessions available from LightDM. The default would start my application fullscreened, and the other would open a minimal desktop in case any configuration (mostly connecting to a wireless network) needed to be done. I've done a lot of research over the last week on custom LightDM & Gnome sessions. I've got a custom greeter written for LightDM that can start either session, but I can't figure out how to add a specific application to the Gnome session that is ultimately started without just putting a launcher in the global startup directory, and I don't want to do that since I don't want the application starting when they open "configuration mode". Another problem I've run into on my current workaround is that the application doesn't fullscreen properly, which makes me think I'm not starting enough of a gnome session (currently it's just metacity, no panel or anything else). Edit: I found a solution. See http://www.webupd8.org/2011/11/make-applications-autostart-only-in.html

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  • In MVC, why can't a model create a view?

    - by MUY Belgium
    I have a web application written in Perl with a controller, some "views" and some "Models". Each "Model" is corresponding to one "View". The controller (one file) creates an Model object corresponding to each view (view is a CGI argument) then retrieve the view from the module it has just created. Indeed, this should be bad thing but can you argue a bit more about it. My first idea was that since the object "Model" depends upon the "view", then the "model" is actually a view. But also the fact that ALL the cgi parameters are passed to the Model causes the "Model" to become not truelly a view but to loose all interest, since it is only related to the current implementation of the web apps. On other words, that the "Model" keep model but loose its "comprehensiveness" ("Model" is not easily understandable). I'm am quite new in project analysis, so please do not be too harsh. Why is this bad? I have made a prototype with the main structures I have understood of this web application, made as short as possible. #Model.pm package Model; import { # this requires an attribute called "view" # and this require an argument which is the cgi params } ... #View1.pm package View1; ... #Model1.pm package ModelView1 ; base Model; use View1; sub new { my $class = shift; my $arg = shift; Model::DoSomething($arg); $self->view = new View1($arg); ... } #controller.cgi my $model = 0; ... $model = new Model1( cgi_param => params() ); #there is severall models here ... print $model->get_view()->get_html();

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  • Transferring NS records to a new server

    - by lanemiller
    I feel like that was NOT worded well, but here is my current predicament. I recently had a GoDaddy dedicated server, and decided after their customer support failed to do anything but disappoint, to switch to Rackspace. We have 2 ns records that point to our godaddy server, and we have a few sites left on the server, that rely on it for their DNS zones, and the owners of the domains fail to respond to us. So, the question is, if I need to transfer the sites off of the OLD godaddy NS, can I point the A records from my ns1.domain.com and ns2.domain.com to match up with IP addresses of the Rackspace nameservers? OR, do I cname my NS records to match the rackspace ones? I DO know that this isn't advised, either method, but I need to get these sites moved before Godaddy tries charging another $2k for the server.

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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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  • How do you avoid name similarities between your classes and the native ones?

    - by Oscar
    I just ran into an "interesting problem", which I would like your opinion about: I am developing a system and for many reasons (meaning: abstraction, technology independence, etc) we create our own types for exchanging information. For instance: if there is a method which is called SendEmail and is invoked by the business logic, it way have a parameter of type OurCompany.EMailMessage, which is an object which is completely technology independent and contains only "business relevant data" (for instance, no information abut head encoding). Inside the SendEmail function, we get this information from our EMailMEssage object and create a MailMessage (this one is technolgy specific) object so it can be sent over the network. As you can already notice, our class has a very similar name to the "native" language class. The problem is: this is exactly what they are, email messages, so it is hard to find another meaningful name for them. Do you have this problem often? How do you manage it? Edit: @mgkrebbs just commented about using fully qualified names. This is our current approach, but a little bit too verbose, IMHO. I would like something cleaner, if possible.

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  • win 2008 core create a partition with an offset to allow other partition expand

    - by Rqomey
    We are running a win 2008 core host in a HyperV role. We have expanded the logical drive on a RAID 1+0 array belonging to the server, as we needed more space. We have two data partitions D: and E: I want to expand them both so they use all space, and are equally sized. There is data on all partitions, although E is not in live use (so files can be moved and copied from it. Current: What I want- temporary Partition (F:) at end of drive: I am going to create a temporary partition F: so I can move the files from E: onto it, then delete E:, expand D: to the desired size, then rename F: to E: To do this I need to create F: from the end of the drive, ie. have unused space between E: and F: tl;dr How do I create a partition with a large offset in Windows server?

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  • How do laptop battery voltages affect runtime?

    - by Bigbio2002
    I ordered a new battery for my faithful XPS M1710. I'm not sure of the voltage of the battery I have now, but the new one that the Dell rep got me (after 3-4 times confirming my phone number and laptop model number) is 14.8v. I was a bit concerned about potential incompatibilities (as most of the other compatible batteries listed were 11.1v), but I figure that there's no way that Dell would "recommend" batteries that wouldn't work or fry your system. Now, my question is, how does voltage affect battery life? If we assume the needed power draw to be constant, a higher voltage would indicate less amperage needed, therefore the battery would last longer before running out, yes? Or am I missing something? For reference: P=I*V P = power I = current V = voltage (duh)

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  • Does adding 1066Mhz DDR3 SODIMM to a 1600Mhz FSB laptop make sense?

    - by Alain Pannetier
    My previous laptop had 4x4GB 1066 Mhz DDR3. My new laptop instead has only 2x4GB 1600 Mhz DDR3. Using dmidecode I gather my FSB is set to 2300Mhz. Max Speed: 3800 MHz Current Speed: 2300 MHz 2 questions: Can somebody confirm I can safely add two "old" 1066Mhz modules to my new laptop before I treat myself to faster DDR3 modules? I understand this should not slow down the faster 2 1600 Mhz DDR3 modules. Correct? If this is of any relevance, I'm running Linux Mint Maya.

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  • The cache is getting at full level so fast

    - by CompilingCyborg
    Please, the memory and the cache are getting to the full level quite quickly under my linux mint 9 - isadora system. I used Ubuntu and Debian before, and it was not causing this issue at all. At the current time i typing the following command frequently to empty the cache "echo 3 /proc/sys/vm/drop_caches". Please any way around this? or do you know what's going wrong? | I am only programming on this machine; no graphics, no games nothing. Thanks in advance for your help!

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  • Where to find URLs for sources.list for debian for running apt-get update?

    - by Boda Cydo
    Can anyone tell me where to find URLs to put in /etc/apt/sources.list for debian so that I could run apt-get update? I couldn't find the precise answer by searching Google. When I currently try running apt-get update I get: W: Failed to fetch ftp://ftp.debian.org/debian/dists/lenny/contrib/binary-i386/Packages Unable to fetch file, server said 'Failed to open file. ' [IP: 130.89.148.12 21] W: Failed to fetch ftp://ftp.debian.org/debian/dists/lenny/non-free/binary-i386/Packages Unable to fetch file, server said 'Failed to open file. ' [IP: 130.89.148.12 21] I have no idea how to solve this. Here is how my current sources.list looks like: deb ftp://ftp.debian.org/debian lenny main contrib non-free deb-src ftp://ftp.debian.org/debian lenny main contrib non-free deb ftp://ftp.debian.org/debian lenny/updates main contrib non-free deb-src ftp://ftp.debian.org/debian lenny/updates main contrib non-free I'm running debian_version 5.0.8: # cat /etc/debian_version 5.0.8 Thanks!

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  • Second Monitor Detected, but not receiving a signal after upgrading to 12.04

    - by user62458
    After I upgraded to 12.04, my second monitor is detected (in display settings), but will not power on. I have scoured the Internet and forums for a solution and I can't find anything. I have found a couple people with the same problem, but never a solution for it. I am no expert, but I'm certainly not a noob. My computer uses AMD Radeon 6250 graphics, but I do NOT want to use the proprietary graphics drivers. They refuse to work properly with my second monitor (they ATI drivers will only mirror screens, and I've done everything to try to fix it, and I DON't want mirrored screens) Not to mention that the default open-source video drivers seem to work much better than the proprietary anyway! Again, Ubuntu's default video drivers work fine, and they even DETECT the second monitor (Dell 19'). I can drag stuff off the screen and put it on the 'space' of the second monitor and even a screen-shot shows that there are two monitors active; but the monitor is OFF. It will not power on. It goes into 'power-save' mode because it is not receiving a signal. For some reason it is not getting the signal to power on, even though Ubuntu thinks the monitor is working properly. I had this working fine on my Sony VAIO yesterday (with Radeon graphics/default Ubuntu video drivers). I upgraded to a Samsung Series 3 and now I have this issue. I can't for the life of me figure out why the monitor is connected, detected and I have screen space for the monitor, but the screen won't turn on! XRANDR Output: Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192 VGA-0 connected (normal left inverted right x axis y axis) 1440x900 59.9 + 75.0 1280x1024 75.0 60.0 1152x864 75.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 LVDS connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm 1366x768 60.1*+ 1280x720 59.9 1152x768 59.8 1024x768 59.9 800x600 59.9 848x480 59.7 720x480 59.7 640x480 59.4 HDMI-0 disconnected (normal left inverted right x axis y axis)

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  • Remote Install Mac OS X from Windows not on LAN?

    - by Frost Shadow
    I want to install applications from my Mac OS X install disc, or be able to archive-install from it, but it's back at my house outside my current LAN. Is there a way I can remotely access my OS X install disc on my home Windows XP computer from my Snow Leopard? In my help manual it says I can do remote installs, or use another computer's disc drive remotely, but it has to be with another computer on the LAN. Is there a way to combine my mac's LAN and my windows' LAN? I think it has something to do with making a VPN; is there a way to do that which will work between Snow Leopard and XP, doesn't require additional hardware, and is preferably free? Thanks a lot!

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