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  • 12.04 backlight issue for Acer Aspire 5734z-4725 running on usb flash drive

    - by Shawn
    I have followed the fix found here: Backlight Issue However I can't use the sudo update-grub2 command as it errors with /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?). As this laptop's hard drive is shot, I can't install the OS. I have been able to get it to temporarily work with sudo setpci -s 00:02.0 F4.B=00. I'm new to Ubuntu, so if you know how to fix this please provided as much detail to what I would need to do.

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  • Application name licensing issue

    - by Praetorian
    Hi, I started writing an application for Windows Phone marketplace, at the time only making sure that the name I gave it wasn't being used by any other app on the marketplace. I just found out that the same name is being used by a, seemingly popular, SourceForge project. Is this a problem? I haven't released my app yet so I could rename it, but I really like the name and would prefer not to unless it is an issue.

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  • How to diagnose usb issue

    - by alexpotato
    Hey, So my kern.log and syslog files filled up with tons of the below messages: [514971.000109] phy0 - rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x30c4 with error -108. I was curious as to the steps to take, commands to run, places to look to help diagnose this issue (and curious as to what caused it)? I'm guessing it's something usb elated. I had some issues with my printer earlier today so this might be related. Thanks, Alex

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  • Database Insider - June 2012 issue

    - by Javier Puerta
    The June issue of the Database Insider newsletter is now available. (Full newsletter here) INFORMATION INDEPTH NEWSLETTERDatabase Insider Edition - June 2012 Oracle #1 in RDBMS Share Gartner released its 2011 worldwide RDBMS market share research based on total software revenues, Market Share: All Software Markets, Worldwide 2011, and Oracle remained first in worldwide RDBMS share in 2011. Read More New Independent Report Endorses Oracle Database Firewall In a new KuppingerCole Product Research Note, Martin Kuppinger concludes that Oracle Database Firewall "should definitely be evaluated and is amongst the recommended products in the database security market segment."Read More Read full newsletter here

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  • How to get around the Circular Reference issue with JSON and Entity

    - by DanScan
    I have been experimenting with creating a website that leverages MVC with JSON for my presentation layer and Entity framework for data model/database. My Issue comes into play with serializing my Model objects into JSON. I am using the code first method to create my database. When doing the code first method a one to many relationship (parent/child) requires the child to have a reference back to the parent. (Example code my be a typo but you get the picture) class parent { public List<child> Children{get;set;} public int Id{get;set;} } class child { public int ParentId{get;set;} [ForeignKey("ParentId")] public parent MyParent{get;set;} public string name{get;set;} } When returning a "parent" object via a JsonResult a circular reference error is thrown because "child" has a property of class parent. I have tried the ScriptIgnore attribute but I lose the ability to look at the child objects. I will need to display information in a parent child view at some point. I have tried to make base classes for both parent and child that do not have a circular reference. Unfortunately when I attempt to send the baseParent and baseChild these are read by the JSON Parser as their derived classes (I am pretty sure this concept is escaping me). Base.baseParent basep = (Base.baseParent)parent; return Json(basep, JsonRequestBehavior.AllowGet); The one solution I have come up with is to create "View" Models. I create simple versions of the database models that do not include the reference to the parent class. These view models each have method to return the Database Version and a constructor that takes the database model as a parameter (viewmodel.name = databasemodel.name). This method seems forced although it works. NOTE:I am posting here because I think this is more discussion worthy. I could leverage a different design pattern to over come this issue or it could be as simple as using a different attribute on my model. In my searching I have not seen a good method to overcome this problem. My end goal would be to have a nice MVC application that heavily leverages JSON for communicating with the server and displaying data. While maintaining a consistant model across layers (or as best as I can come up with).

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  • Database Insider - April 2012 issue

    - by Javier Puerta
    INFORMATION INDEPTH NEWSLETTER Database Insider Edition The  April issue of the Database Insider newsletter is now available.Includes, among many other: Oracle Advanced Analytics for Big Data Best Practices for Workload Management of a Data Warehouse on Oracle Exadata Best Practices for Implementing a Data Warehouse on Oracle Exadata

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  • Booting from integrated RAID controller when another RAID controller is installed in a PCIe slot

    - by Antony Scott
    I have a GA MA785GT UD3H motherboard with Windows Server 2008 R2 installed on a RAID1 using the on-board RAID controller. I have now installed a RocketRaid 2680 controller and set up a RAID5 for all my data to be stored on. Unfortunately I now cannot boot from the RAID1 anymore, the PC is trying to boot from the RAID5! Does anyone have any experience of this motherboard / RAID controller combination?

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  • SOLVED:Bootloader isn't executable booting XEN PV Guest with virtual-manager

    - by user2284355
    I am going insane with an error I am encountering while trying to install a PV Guest of Debian Wheezy on a Ubuntu Server precise Xen default build with libvirt. The steps I take with virt-manager are the following: 1.Net install via: http://ftp.es.debian.org/debian/dists/stable/main/installer-amd64/ 2.Install process is flawless, installed via VNC over virt-manager 3.When the VM starts I get the following error: Error starting domain: POST operation failed: xend_post: error from xen daemon: (xend.err "Bootloader isn't executable") Most answers i have found on google say that I need to edit the VM's .cfg file and correct the path to pygrub but virt-manager does not seem to create this file (I have searched the entire drive with "find". Another detail is that virsh list --all shows no VMs (Not even dom0) while the command xm list shows all of them. Any help is much appreciated. EDIT: Connected remotely via virsh: virsh -c xen+ssh://user@ip dumpxml vmname Found line: /usr/bin/pygrub ln -s /usr/lib/xen-4.1/bin/pygrub /usr/bin/pygrub Now it works. If anyone can think of a better solution give me a shout. Cheers

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  • OS X not booting after upgrading LibXML2

    - by Federico
    I tried upgrading the version of LibXML2 in my machine to run some propietary software. Compiled as 32-bit (-arch i386) and restarted to see if it worked. Now when I try to boot I can only get into the spinning screen and it just sits there. Restarting in verbose mode (Cmd-V) does not show any error in the process, it just freezes after "AppleIntelCPUPowerManagement: initialization complete". I can't from any CD either (if I press c on startup it just spins the disk around and then stops in the same spinner screen). I've also reset the PRAM/NVRAM to discard any problems with that and it´s still not fixed. Any pointers of what might´ve gone wrong? (Latest gen MBP, running 10.6.3)

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  • Powermac G4 Booting Up to White Screen?

    - by David
    I have a Powermac G4 that I use as a server. Since yesterday, for any reason, it chimes, and just goes to a white screen. The only way to make it work again is to reset the PMU by holding the button inside for 10 seconds. It is running 10.4.11.

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  • Booting the server redis no errors

    - by Tylër
    The redis but usually begins with the following errors: tyler @ tyler-vortex: ~ / pens $. / src / redis-server [3690] Dec 01 10:56:05 # Warning: the specified config file, using the default config. In order to Specify a config file use 'redis-server / path / to / redis.conf' [3690] Dec 01 10:56:05 # Unable to set the max number of files limit to 10032 (Operation not permitted), setting the max configuration to 992 clients. Others errors founds: tyler@tyler-vortex:~/redis$ sudo ./utils/install_server.sh Welcome to the redis service installer This script will help you easily set up a running redis server Please select the redis port for this instance: [6379] Selecting default: 6379 Please select the redis config file name [/etc/redis/6379.conf] Selected default - /etc/redis/6379.conf Please select the redis log file name [/var/log/redis_6379.log] Selected default - /var/log/redis_6379.log Please select the data directory for this instance [/var/lib/redis/6379] Selected default - /var/lib/redis/6379 Please select the redis executable path [/usr/local/bin/redis-server] cat: ./redis.conf.tpl: Arquivo ou diretório não encontrado cat: ./redis_init_script.tpl: Arquivo ou diretório não encontrado ERROR: Could not write init script to /tmp/6379.conf. Aborting! Furthermore, I would like to know how to configure it not to consume so much RAM. Follow the memory configuration of our website, but the settings of "vm-*" does not exist in the file redis.conf. http://redis.io/topics/virtual-memory You have to create them? * Edit: I installed. After that, I believe that I no longer have access via. / Src / redis-server, because it happens: tyler@tyler-vortex:~$ cd redis/ tyler@tyler-vortex:~/redis$ ./src/redis-server [2616] 01 Dec 22:29:30 # Warning: no config file specified, using the default config. In order to specify a config file use 'redis-server /path/to/redis.conf' [2616] 01 Dec 22:29:30 # Opening port 6379: bind: Address already in use tyler@tyler-vortex:~/redis$ But there's another detail, the redistribution starts with the system .. redis 127.0.0.1:6379> exit tyler@tyler-vortex:~/redis$ ./src/redis-cli redis 127.0.0.1:6379> exit ... but how can I now see that the communication had before you installed from. sh?

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  • Mail on OS X not fetching new Gmail mail – Among other issues

    - by Josh K
    It started after my 10.6.3 update. I'm basically looking for a "Clear cache" button in Mail. It won't fetch new Gmail (big problem), and there are six copies of the same message in my Inbox that won't delete (spits out the following error). I want to know if (a) anyone else has noticed this issue or (b) found a solution for a similar problem. It's worth it to note that I was getting the dreaded Finder -10810 Won't Start error, along with the progressive lose of control. This prompted two (2) hard resets of the machine and then I immediately went and installed this update. Has not happened since the update but now it's the mail issue.

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  • "A disk read error occurred" when booting XP disk image in VirtualBox

    - by intuited
    I'm trying to boot an XP installation cloned into VirtualBox from a real drive. I'm getting the message A disk read error occurred Press Ctrl+Alt+Del to restart whenever* I try to boot the machine. * This is not strictly true: with AMD-V enabled, the boot process appears to not make it this far and instead hangs at a black screen with cursor. I created the VirtualBox image from the original drive using the following method: $ sudo ddrescue -n /dev/sdd sdd.img logfile # completed without errors $ VBoxManage convertfromraw sdd.img disk.vdi The original disk (and the image) contain a single NTFS partition with XP installed on it. The owner of the drive indicates that it did boot okay the last time the system made it that far. The (Pentium 4) system has a broken (enormous) heat sink, so at some point it failed to boot because it would quickly overheat and shut down. If I boot the VM from a live cd, I am able to mount its /dev/sda1 without any problems. I ran ntfsfix and didn't have any luck. I've read through the instructions on doing this. I didn't really follow them. For example, I didn't run MergeIDE before imaging because the machine was not bootable. However, the symptom of that problem seems to be quite different. The emitted message is contained in the volume boot record of the XP partition, which leads me to suspect that this is a problem with the core operating system bootstrap procedure, and not related to anything in the registry. I don't have an XP boot CD.

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  • Dual booting windows 8.1 and ubuntu

    - by Sriniketh
    I have a lenovo laptop with windows 8.1. I wanted to use ubuntu alongside windows. Hence, i downloaded the ubuntu 14.04 iso and created a live pendrive using Universal USB installer. I disabled secure boot and booted from the pendrive. All i get is the GNU GRUB command line version 2.X. I don't get a GUI for the GRUB and i don't know how to boot into ubuntu from the command line. I searched quite a few online forums but in vain. Can someone tell me how to proceed? Thanks in advance.

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  • Macrium Reflect Recovery Linux Recovery Disc hangs up on booting

    - by user8583
    I created an image of my system with macrium reflect freeware program and stored the image on an usb external hard drive. However the macrium reflect linux recovery disc on startup hangs up of the first three lines of instructions and therefore I cannot access the image on the usb external hard drive if I wish to recover my system. I have a Lenovo laptop with the Windows-7 Home Premium operating system. What can be done to ensure that the recovery disc will work?

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  • Booting large ISO through PXE

    - by Devator
    I currently have a FOG server (which works perfectly fine) and I'm trying to boot Windows 7 through it (with memdisk). But, since the ISO is rather large (more than 6 GB) it will try to put the ISO into memory and then boot however it crashes with the error message not enough memory to load specified image. The systems here don't have 6 GB of RAM so I need another way to boot it. I am aware of WDS and SCCM, however I want todo this with FOG. Is there any way to boot the ISO and install Windows through FOG?

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  • Booting Fedora guest VBox on /dev/mapper/vg0-fc17-root

    - by NevilleDNZ
    I already have the following logical volumes: host:/dev/mapper/vg0-fc17-boot (guestOS:/dev/hdb) formatted as ext4 (no partition table) host:/dev/mapper/vg0-fc17-root (guestOS:/dev/hdc) formatted as ext4 (no partition table) Do I have to create the following grub partition to boot a guest VM under VirtualBox? host:/dev/mapper/vg-fc17-mbr (guestOS:/dev/hda) with a partition table and install grub MBR here? Or is there a better way? (Maybe grub on vg0-fc17-boot?)

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  • New monitor connected to HDMI adaptor doesn't show output after booting

    - by Paul
    Hello out there in the multiple monitors’ world. I am a very old newbie in your world and need help. I just purchased a new Asus VH236H monitor and hooked it up the HDMI port of an ATI Radeon HD4300 / 4500 Series display adaptor. I left the old Princeton LCD19 (TMDS) hooked up to the DVI port of the same display adaptor. Both monitors displayed the boot sequence, after I fired good old Sarastro2 (Asus P5Q Pro Turbo – Dual Core E5300 – 2.60 GHz) up. The Asus lacked one half of a second behind the Princeton until the Windows 7 Ultimate SP 1 boot up was complete. Then the Asus displayed “HDMI NO SIGNAL” and went into hibernation. The Princeton stayed lit up as before. Both monitors are displayed on the “Screen Resolution Setup Display” and I plaid around with them for a while. The only thing I accomplished was to shove the desktop icons from the Princeton to the still hibernating Asus. The “Multiple displays:” is set to “Extend these displays”, the Orientation is “Landscape” and the Resolutions are set on both to the “recommended” one. Both monitors show that they work properly in the advanced Properties display. What am I doing wrong, what am I missing? Never mind the opinions about the different resolutions of the two monitors. I always can unhook the Princeton and give it to a Goodwill Store if I do not like the setup. I just would like to make it work. Any constructive help is very much appreciated, Thank you.

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  • Booting off windows image through network

    - by Mr. Sir King Osman
    I have a HP st5742, which is a tower that does not have a hard drive and I am trying to boot it off the network, preferably off an image. It was designed along with the program HP Image Manager, however this program has been discontinued by HP and I can not seem to find a way to get a copy. If this helps, I am running my network with windows server 2008 R2 and would like the streaming client to be running windows. I have spent days searching for a way to deploy this machine however I can not seem to find a straight forward program, guide, or way to do this. I am new to this sort of thing but I willing to reading into the subject, all I need is a point in the right direction. Any help would be greatly appreciated.

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  • Issue booting Linux Mint from Live CD?

    - by Vee
    I had Windows 8 and Linux Mint 15 dual booted on my laptop. When I first installed Linux, I wasn't able to load into because the grub would not show. To fix this, I used boot-repair from a Live CD. This time, I updated to Windows 8.1 and it showed a watermark telling me my secure boot wasn't configured properly. I then went and enabled secure boot (BIOS) and I believe it was after that that the Grub would not show once again. I tried to boot from a Linux CD again but when I try, it gives me the following errors: error: failure reading sector 0x0 from 'hd1' error: you need to load the kernel first. Press any key to continue... Before, it was giving me an error with sector 0x6d200 or something instead of 0x0. I am completely unsure of what to do. I do not know what other details to give except that this my have happened after I enabled secure boot, and I actually clicked reset to default setting so I am unsure if any other settings were changed in the BIOS menu.

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  • Linux Mint 13 is not booting on dual boot computer

    - by Brian
    thanks in advance for your time. I have 2 hard drives in my computer a 300 GB drive which is my primary drive for windows 7 and a 1.5 TB drive that I'd used for storage. When I got it I partitioned 500 GB for use in Linux. So, I created a bootable USB and clicked the "Install by Current Operating System" option from Mint. It installed it to the free 500 GB like I'd hoped it would. Now, I can't get it to boot though. I've tried using EasyBCD to create the boot entry and it hangs on a black screen. Thanks. EDIT @ Ryhuk It presents a menu with two options 1) Windows and 2) Mint. This was a menu I created with easyBCD. When I select option 1 it boots to windows fine. When I select option 2 it hangs on a black screen with just a white bar flashing (Can't remember what its called, it marks the current cursor location on a text field) and won't respond to any key presses but alt ctrl del.

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  • Booting from a USB drive that was originally a boot drive

    - by daveh551
    When Win 7 went RTM, I upgraded my laptop from XP. But to protect myself against the possibility of having data inaccessible, I got a new disk and put it in the laptop, and took the old (XP) disk and put it in a USB enclosure. I have no trouble accessing the data on the USB drive under Windows 7. But I would like to be able to plug it in, tell the BIOS to boot from the USB drive, and be back on my old machine. The laptop is a Dell Precision M90, and it has a boot from USB option in its boot menu. But when I try to do that, it does read the drive, gets as far as putting up the Windows XP splash screen and starting the boot progress bar, and then reboots. What do I need to do to the old disk now running on USB to allow the machine to boot from it?

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