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• Finding custom printer-specific options on *nix

  - by enbuyukfener

  Hey all, I have a printer set up using CUPS (FujiXerox Document Center 1100), it is named DC1100. There are capabilities of the printer that are not shows as options of the printer as listed by: lpoptions -l -d DC1100 The output is below: PrintoutMode/Printout Mode: Draft *Normal High Photo InputSlot/Media Source: Upper Lower MultiPurpose LargeCapacity Manual *Standard PageSize/Page Size: *Letter A4 C5 C6 COM10 DL Executive Legal Monarch Statement PageRegion/PageRegion: Letter A4 C5 C6 COM10 DL Executive Legal Monarch Statement STP_Brightness/Brightness: 0.00 0.02 0.04 [snip] 2.00 STP_Contrast/Contrast: 0.00 0.05 0.10 0.15 [snip] 4.00 STP_ColorCorrection/Color Correction: Accurate Bright Density [snip] Uncorrected STP_DitherAlgorithm/Dither Algorithm: Adaptive EvenTone Fast [snip] VeryFast STP_EnableDensity/Density Enable: *Disabled Enabled STP_Density/Density Value: 0.1 0.2 0.3 0.4 [snip] 8.0 STP_EnableGamma/Composite Gamma Enable: *Disabled Enabled STP_Gamma/Composite Gamma Value: 0.10 0.15 0.20 0.25 [snip] 4.00 STP_LinearContrast/Linear Contrast Adjustment: *False True STP_Duplex/Double-Sided Printing: DuplexNoTumble DuplexTumble *None Resolution/Rendering Resolution: *FromPrintoutMode 150x150dpi 300x300dpi 600x600dpi OutputType/Output Type: *FromPrintoutMode BlackAndWhite Grayscale STP_ImageType/Image Type: *FromPrintoutMode Photo Graphics LineArt None Text TextGraphics STP_Resolution/Resolution: *FromPrintoutMode 150dpi 300dpi 600dpi I am particularly looking for options for: "secure print" (possibly by setting a mode and setting a username) stapling hole punching Perhaps I need a vendor specific driver/PPD file? If so, any pointers as I have no idea where to look for one. I haven't been able to find one on the official site or on sites such as http://www.openprinting.org

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• How to burn a data DVD in Windows XP

  - by SabreWolfy

  I am trying to burn a data DVD (DVD+R) in Windows XP SP3 on a Dell desktop computer. The computer has a licensed copy of Nero 6.3. Nero indicates that an update to version 6.6 is available, but after following the link provided, it redirects me to the Nero website to purchase the upgrade. I'm not interested in doing this. After creating a project in Nero 6.3, inserting a blank DVD+R and trying to start burning the data DVD, Nero indicates that I should insert an appropriate disk into the drive. It does not seem to detect the blank DVD+R. I downloaded infrarecorder and cdrtfe from Sourceforge. Neither of these programs worked either. They both indicated that I should insert the correct media, with cdrtfe saying there is no disk in the drive. I tried with another blank DVD +R with the same effect. I inserted a CDR containing data into the drive and the Windows read read this CDR without a problem. I have no reason to believe that the drive is faulty. I am aware that Windows XP itself is not able to burn DVDs. However, it seems that three third-party software programs are not able to burn a data DVD in Window XP. The specifications provided in Nero indicate that DVD+R is compatible with the drive. How can I burn a backup data DVD in Windows XP?

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• Creating an ec2 image on amazon fails at mkfs.ext3

  - by Dave Orr

  I'm trying to create an image of my ec2 instance in Amazon's cloud. It's been a bit of an adventure so far. I did manage to install Amazon's ec2-api-tools, which was harder than it seemed like it should have been. Then I ran: ec2-bundle-vol -d /mnt -k pk-{key}.pem -c cert-{cert}.pem -u {uid} -s 1536 Which returned: Copying / into the image file /mnt/image... Excluding: /sys/kernel/debug /sys/kernel/security /sys /proc /dev/pts /dev /dev /media /mnt /proc /sys /etc/udev/rules.d/70-persistent-net.rules /etc/udev/rules.d/z25_persistent-net.rules /mnt/image /mnt/img-mnt 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.00677357 s, 155 MB/s mkfs.ext3: option requires an argument -- 'L' Usage: mkfs.ext3 [-c|-l filename] [-b block-size] [-f fragment-size] [-i bytes-per-inode] [-I inode-size] [-J journal-options] [-G meta group size] [-N number-of-inodes] [-m reserved-blocks-percentage] [-o creator-os] [-g blocks-per-group] [-L volume-label] [-M last-mounted-directory] [-O feature[,...]] [-r fs-revision] [-E extended-option[,...]] [-T fs-type] [-U UUID] [-jnqvFKSV] device [blocks-count] ERROR: execution failed: "mkfs.ext3 -F /mnt/image -U 1c001580-9118-4a50-9a25-dcf02be6d25f -L " So mkfs.ext3 wants -L, which is a volume name. But ec2-bundle-vol doesn't seem to take in a volume name as an argument, and the docs (http://docs.amazonwebservices.com/AmazonEC2/gsg/2006-06-26/creating-an-image.html) don't seem to think one should be needed. Certainly their sample command: # ec2-bundle-vol -d /mnt -k ~root/pk-HKZYKTAIG2ECMXYIBH3HXV4ZBZQ55CLO.pem -u 495219933132 -s 1536 doesn't specify anything. So... any help? What am I missing?

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• mplayer (mplayerhq.hu) repeats ending audio frames

  - by kamikatze

  mplayer (from mplayerhq.hu) on windows repeats the last few audio frames upon exit. When the video ends, before you can see Exiting... (End of file) in the command prompt, you will hear the last 1/2 second or so of the audio track again. This behavior is the same for multiple containers/codecs/soundcards Vista or Windows 7. Is there a workaround for this? My playback specs: MPlayer Sherpya-MT-SVN-r31027-4.2.5 (C) 2000-2010 MPlayer Team 150 audio & 343 video codecs Playing splash_final.wmv. ASF file format detected. [asfheader] Audio stream found, -aid 1 [asfheader] Video stream found, -vid 2 VIDEO: [WMV3] 1280x720 24bpp 1000.000 fps 6291.5 kbps (768.0 kbyte/s) ========================================================================== Opening video decoder: [dmo] DMO video codecs DMO dll supports VO Optimizations 0 1 DMO dll might use previous sample when requested Decoder supports the following formats: YV12 YUY2 UYVY YVYU RGB8 [..] Decoder is capable of YUV output (flags 0x1b) Movie-Aspect is undefined - no prescaling applied. VO: [directx] 1280x720 = 1280x720 Planar YV12 Selected video codec: [wmv9dmo] vfm: dmo (Windows Media Video 9 DMO) ========================================================================== ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO: 44100 Hz, 2 ch, s16le, 329.8 kbit/23.37% (ratio: 41221-176400) Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg)) ========================================================================== AO: [dsound] 44100Hz 2ch s16le (2 bytes per sample) Starting playback...

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• KVM error with device pass through

  - by javano

  I am running the following command booting a Debian live CD passing a host PCI device to the guest as a test and KVM errors out; kvm -m 512 -boot c -net none -hda /media/AA502592502565F3/debian.iso -device pci-assign,host=07:00.0 PCI region 1 at address 0xf7920000 has size 0x80, which is not a multiple of 4K. You might experience some performance hit due to that. No IOMMU found. Unable to assign device "(null)" kvm: -device pci-assign,host=07:00.0: Device 'pci-assign' could not be initialized lspci | grep 07 07:00.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 74) I shoved an old spare NIC into my motherboard to test PCI pass through. I have searched the Internet with Goolge and found that errors relating to "No IOMMU found" often mean the PCI device is not supported by KVM. Does KVM have to support the device being "passed-through"? I though the point was to pass the device through and let the guest worry about it? Ultimately I want to pass-through a PCI random number generator, is this not going to be possible with KVM? Thank you.

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• Setting Up My Home Network

  - by Skizz

  I currently have five PCs at home, three running WinXP and two running Ubuntu. They are set up like this: ISP ----- Modem ---- Switch ---- Ubuntu1 -- B&W Printer | |--WinXP1 | |--WinXP2 Wireless |--Colour Printer | |---------Ubuntu2 |---------WinXP3 (laptop) The Ubuntu1 machine is set up as a PDC using Samba and runs fetchmail, procmail, dovecot to get my e-mail and allow me to access the e-mail via imap so I can read the e-mail on any PC. I'd like to set up the network like this: ISP ----- Modem ---- Ubuntu1 ---- Switch ------WinXP1 | | |--WinXP2 B&W Printer Wireless |--Colour Printer | |---------Ubuntu2 |---------WinXP3 (laptop) My questions are: How to configure Ubuntu1 to act as a firewall. How to configure Ubuntu1 to provide a consistant user authentication across the network, at the moment Samba provides roaming profiles for the XP machines but the Ubuntu2 machine has it's own user lists. I'd like to have a single authentication for both XP machines and linux machines so that users added to the server list will propagate to all PCs (i.e. new users can log on using any PC without modifying any of the client PCs). How to configure a linux client (Ubuntu2 above) to access files on the server (Ubuntu1), some of which are in user specific folders, effectively sharing /home/{user} per user (read and write access) and stuff like /home/media/photos with read access for everyone and limited write access. How to configure the XP machines (if it is different from a the Samba method). How to set up e-mail filtering. I'd like to have a whitelist/blacklist system for incoming e-mails for some of the e-mail accounts (mainly, my kids' accounts) with filtered e-mails being put into quaranteen until a sysadmin either adds the sender to a blacklist or whitelist. OK, that's a lot of stuff. For now, I don't want config files*, rather, what services / applications to use and how they interact. For example, LDAP could be used for authentication but what else would be useful to make the administration of the LDAP easier. Once I have a general idea for the overall configuration, I can ask other questions about the specifics. Skizz I have looked around for information, but most answers are usually in the form of abstract config files and lists of packages to install.

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• WiFi & GbE Slow while Both Active.

  - by Mark Tomlin

  I'm having a problem with my WiFi network connection when I use my wired GbE connection concurrently on my Laptop. I'm using my WiFi for Internet access, and general web surfing and I'm using my GbE connection to connect to my PlayStation so I can stream media. The WiFi connection is via a Linksys 610N connected to my Cable Modem. Where as the GbE connection is a direct connection from my Ethernet port to the Ethernet port of the PS3 via a Cat-5 cable (no router in between this connection). As soon as I connect the cable from the PS3 to my Ethernet port on my Laptop the WiFi connection slows to a halt, but then allows for a connection to the web as normal but at much slower speeds for the things like BitTorrent that stops completely. It seems to me that Windows can't handle both connections at once. It will have both active but it can only accept and send packets on one device at one time. I can get WiFi connections to work to go to websites and the like, but once I use my GbE connection to share media between my Laptop and my PS3 the Wifi connection dies out and I no longer have access to the internet. I setup my connection on the PS3 and the Laptop following the insturctions posted here: http://forums.finalgear.com/problems/s14e01-ps3-size-problem-40642/#post1188132 And the following is the results of my ipconfig. Windows IP Configuration Host Name . . . . . . . . . . . . : dygear Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter WiFi: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG Network Connection Physical Address. . . . . . . . . : 00-19-**-**-**-** Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 192.168.1.111 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.1 DHCP Server . . . . . . . . . . . : 192.168.1.1 DNS Servers . . . . . . . . . . . : 192.168.1.1 167.206.254.2 167.206.254.1 Lease Obtained. . . . . . . . . . : Wednesday, May 19, 2010 08:55:30 Lease Expires . . . . . . . . . . : Thursday, May 20, 2010 08:55:30 Ethernet adapter LAN: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ethernet Physical Address. . . . . . . . . : 00-16-**-**-**-** Dhcp Enabled. . . . . . . . . . . : No IP Address. . . . . . . . . . . . : 192.168.1.50 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : Any ideas?

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• ffmpeg - h264 to xvid creates large file

  - by fatnic

  I'm trying to use ffmpeg to convert a h264/aac video file to an xvid/mp3 file so I can play it in my ultra-cheap media player. At the moment the converted video file is TWICE the size of the original mp4. Is there any way to get a smaller file size without loosing too much quality? Even a drop to -qmin 1 is pretty awful! The command i'm using is ffmpeg -i input.mp4 -vcodec libxvid -sameq -acodec libmp3lame -ab 128k -ac 2 output.avi And the ffmpeg output is Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4' Metadata: major_brand : isom minor_version : 1 compatible_brands: isomavc1 Duration: 01:34:27.69, start: 0.000000, bitrate: 1520 kb/s Stream #0.0(und): Video: h264, yuv420p, 720x304 [PAR 1:1 DAR 45:19], 1387 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc Stream #0.1(und): Audio: aac, 48000 Hz, stereo, s16, 128 kb/s Output #0, avi, to 'output.avi': Metadata: ISFT : Lavf52.64.2 Stream #0.0(und): Video: mpeg4, yuv420p, 720x304 [PAR 1:1 DAR 45:19], q=2-31, 200 kb/s, 25 tbn, 25 tbc Stream #0.1(und): Audio: libmp3lame, 48000 Hz, stereo, s16, 128 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1

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• How to make a Linux software RAID1 detect disc corruption?

  - by Paul

  This is one of the nightmare days: A virtualized server running on a Linux SW-RAID1 runs a VM that exhibits random segfaults in seemingly random codechunks. While debugging I find that a file gives different md5sums on each and every run. Digging deeper I find this: The raw disc partitions that make up the RAID1 mirror contain 2 bit-differences and ca. 9 sectors are completely empty on one disc and filled with data on the other disc. Obviously Linux gives back a sector from a undeterministically chosen disc of the mirror set. So sometimes the same sector is returned OK, sometimes the corrupted is given back. The docs say: RAID cannot and is not supposed to guard against data corruption on the media. Therefore, it doesn't make any sense either, to purposely corrupt data (using dd for example) on a disk to see how the RAID system will handle that. It is most likely (unless you corrupt the RAID superblock) that the RAID layer will never find out about the corruption, but your filesystem on the RAID device will be corrupted. Thanks. That will help me sleep. :-/ Is there a way to have Linux at least detect this corruption by using sector checksumming or something like that? Would this be detected in a RAID5 setup? Is this the moment I wish I used ZFS or btrfs (once it becomes usable without uber-admin capabilities)?

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• PS3 controller -> PC -> emulators -> TV

  - by abrereton

  I'm researching a media PC for the living room. Playing videos, audio and streaming Internet is straightforward enough. I would also like to run a gaming console system. I was wondering if anyone has any thoughts on this. So far I've discovered that a PS3 controller (thankfully it uses USB and Bluetooth) can be connected to a PC. I've also found that MAME, MESS and PCSX2 are all the emulators I need (I can even emulate a TI-83 calculator with MESS). These emulators can re-map keys, so for example I can make the Nintendo's A button to the PS3 X button, or the SNES key pad could be the PS3 keypad or the analog stick. There are also front-ends to these emulators which can do fancy things like image scaling, anti-aliasing and double-buffering to improve the image quality of an 8-bit Mario on a 50 inch plasma. My set up would be this: PS3 controller connecting over Bluetooth to the PC, PC with Windows, PS3 controller drivers, all my emulators, Network drive with all my ROMs, PC connected to TV via HDMI TV playing Super Mario Kart Does this sound feasible? Does anyone have experience of doing anything like this? Is this a good idea or should I grow up and stop living in the past?

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• I/O Error on LG GSA-H12N DVD drive on Windows 7

  - by Ashwin

  I am facing an I/O Error when I try to burn DVD data discs on my LG GSA-H12N DVD drive on Windows 7. Note that I was able to do this same operation on the same hardware/software just a day earlier without any problems, but with Windows XP. The only change (AFAIK) has been the installation of Windows 7 to replace Windows XP on this PC. Here is the error I get when I try to burn a DVD data disc using CDBurnerXP 4.2.7.1801: Burning error occured An error occured while burning the disc. Most likely the disc is not usable. Usually these errors happen if the inserted media is not compatible to the drive or of poor quality. (devNTSPTI_IO_Error) Could not write to Disc (LBA: 52864 Length: 32). SCSI Pass-through Interface I/O Error. - 0xFF045D Note that there can be no problem with the discs since I have been using the same discs (from the same box) just before the Windows 7 installation with no problems. The only change has been Windows 7. I tried InfraRecorder v0.5 and ImgBurn v2.5 and got similar I/O errors: Note that Windows 7 lists the LG GSA-H21N drive as being compatible (see this link). I also checked the LG Drivers website and using the firware update from there updated the drive firmware from version UL01 to UL02. But, even this has not helped. The drive reads DVDs without any problem, but continues to produce coasters. Could someone help me figure out what is the problem? Thanks :)

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• linux: mount old ATA disk to USB adapter

  - by 130490868091234

  I am trying to recover data from an old Linux that was installed in a computer on an ATA hard drive. I found a ScanLogic Corp. SL11R-IDE IDE Bridge (04ce:0002), an ATA adapter to USB 1.0 like the one in the picture: and after switching it on, I plugged it into a laptop with Ubuntu 12.04. I am used to the drives being automatically mounted, but this one doesn't show up in /media. After doing a dmesg, all I got is this: [215298.671924] usb 2-1.1: new full-speed USB device number 5 using ehci_hcd [215298.767330] scsi19 : usb-storage 2-1.1:1.0 [215299.841701] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd [215300.017258] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd [215300.197050] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd [215300.372730] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd I tried plugging in the adapter to the three different USB ports in my laptop (one of them USB 3.0), but got no luck with any of them. I get different devices under, for example: /dev/bus/usb/003/002 or /dev/bus/usb/002/004, but I don't get any /dev/sdbN links. The output blkid -o list -c /dev/null is just the laptop's partitions. I have tried taking out the jumper, putting it as master and as CS Enabled, but didn't change the result. Any ideas?

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• Explorer.exe keeps crashing during log in

  - by asif

  I have got a weird problem. My windows 7 has two user accounts (both are administrator). I can log in to one account and do all sort of work. But whenever I try to log in to other account, it shows a blank screen and a messagebox pops up with "windows explorer has stopped working". The options available are: Close the program Check online for a solution and close the program The problem signature is as follows: Problem Event Name: InPageError Error Status Code: c000009c Faulting Media Type: 00000003 OS Version: 6.1.7601.2.1.0.256.1 Locale ID: 1033 Additional Information 1: 0a9e Additional Information 2: 0a9e372d3b4ad19135b953a78882e789 Additional Information 3: 0a9e Additional Information 4: 0a9e372d3b4ad19135b953a78882e789 If I press alt+ctrl+del and then select start task manager, it also crashes. I can not run any program using runas command (from good profile) too. The task manager and runas programs all show same problem signature. I read the similar question and followed all the steps, but no luck. Later, I viewed the event log and found that, explorer.exe could not access a file. I checked the location but the file is there. The actual message is: Windows cannot access the file C:\Users\testuser\AppData\Local\Microsoft\Windows\Caches\{AFBF9F1A-8EE8-4C77-AF34-C647E37CA0D9}.1.ver0x0000000000000020.db for one of the following reasons: there is a problem with the network connection, the disk that the file is stored on, or the storage drivers installed on this computer; or the disk is missing. Windows closed the program Windows Explorer because of this error. The question is, how can I resolve this issue? Should I just delete the file or replace it with another one to stop explorer.exe from crashing? offtopic: What is the content of this file and why it is necessary?

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• Does this exist: a standardized way of documenting a file-system structure

  - by eegg

  At work, I'm in charge of maintaining the organization of a whole lot of varied data on a standard file-system. Part of this is coming up with sensible classification (by similarity, need, read/write access, etc), but the bigger part is actually documenting it: what documents/files/media should go where, what should not be in this directory, "for something slightly different, see ../../other-dir", etc. At the moment, I've documented this using a plaintext file filing.txt in every directory I want to document. If someone is unsure what's meant to be in any directory, they read that file. This works alright, but it seems odd that I have this primitive custom solution to a problem that any maintainer of a non-trivial directory structure must experience. Every company I've known of, for example, has some kind of shared file-system where agreed terminology for categorization is important. In my experience, people just have to learn what's what by trial-and-error and experimentation. So allow me to propose a better solution, and hopefully you can tell me if it exists. Any directory on any filesystem can have a hidden plaintext file named .filing. Its contents are descriptive human language. It uses some markup like Markdown, with little more than bold, italic, and (relative) hyperlinks to other directories. Now a suitably-enabled file browser will check for a file named .filing whenever it displays a directory. If it exists, its contents are parsed and displayed in an unobtrusive pane near the directory-path widget. Any links therein can be clicked, and the user will be taken to the target directory of that link. I think that the effort of implementing such a standard would pay back many times over in usability gains. We would have, say, plugins for Nautilus, Konqueror, etc.. It could be used to display directory information in the standard file lists served by webservers. And so on. So, question: does such a thing exist? If not, why not? Do people think it's a worthwhile idea?

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• LG LW20 Express won't boot after hdd replace

  - by Mika

  My old laptop (LG LW20 Express) got a hdd failure and I replaced the hdd. Now the laptop won't boot from cd or usb. I'm trying to install ubuntu on it. When I turn the laptop on it shows me the startup screen but when it should be the time to load operating system it just gives a black screen and starts over. This loop continues until I shut down the laptop. I created the usb boot drive following this guide https://help.ubuntu.com/community/Installation/FromUSBStick/ I used my boot cd to install ubuntu on this machine I'm using right now. So at least the cd should work. From the BIOS I can see that my newly installed hdd is recognized and put as a secondary master. Also the cd and removable media are in the boot list before hdd. The laptop runs pretty hot. The fan is at full speed pretty soon after the laptop is turned on. Earlier I suspected that it would have been the almost broken hdd that would have produced that heat but there obviously is something else also. Any ideas what to check?

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• How do I restore a Windows Server 2008 R2 bare metal backup to a Windows Server 2012 R2 Hyper-V instance?

  - by Michael J. Gray

  I have been trying to find a simple way to migrate a physical Windows Server 2008 R2 installation over to a virtual machine hosted on Windows Server 2012 R2 Datacenter Edition /w Hyper-V. I came across the bare metal backup feature on Windows Server 2008 R2 and assumed I would be able to easily back it up and simply restore it into a new virtual machine by booting the installation media and getting into the Windows recovery process. When I attempted this, Hyper-V got into a network based restore process, but I do not have a PXE server or anything like that and I would rather not set it up. I tried mounting the VHD produced in the bare metal backup, just to see if it would somehow work, but it of course did not and failed with an error related to an incorrect boot device. I checked the virtual machine's BIOS settings and everything looked fine. I did not expect this to work anyway, so I stopped working through this method any further. Is there a way to take my bare metal backup and restore it into a virtual machine without a PXE server or SCVMM? I am opening to using proprietary tools but since the last time I did this I used Norton Ghost, which is no longer supported, I figured I would try doing it with what is readily available.

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• How do I stop VLC from stealing my volume buttons

  - by MGOwen

  when I press the volume buttons on my laptop, usually the system volume is changed. However, when I do this with VLC it "steals" the presses and adjusts it's own "volume" instead. The system volume is also changed. I can't find any way to turn this off in VLC. Does anyone know? Update: Sorry, some more details I should have included originally: VLC VERSION: 1.1.4 (and a few previous releases, back to about 1.1.0 or so, I think) OS: Win Vista Pro 32 HARDWARE: Dell 1720 laptop (the volume buttons are little buttons on the front of the unit, they may work something like "media" keyboard volume buttons) Update: The buttons seem to map to Ctrl+Alt+b and Ctrl+Alt+c (according to the shortcut key box in windows shortcut properties) but the VLC advanced preferences hotkeys screen doesn't list these as the keys it uses for volume. I changed it so there are no volume hotkeys in VLC settings - no luck it still steals the presses and adjusts the volume. Also, pressing Ctrl+Alt+b or c doesn't change my system volume, so who knows what windows or VLC are doing to recognise those volume buttons. :(

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• Managing arbitrary user permissions under PureFTPd

  - by Sebastián Grignoli

  I need to provide an FTP service that needs to be web-managed in the simplest way possible. My customer wants to create folders and users, and give them read only or read/write access arbitrarily. For example: The folder 'Documents' should be read only for several users, writable for internal users, and invisible for the rest. The folder 'Pictures' should be read only for journalists, writable for associates, and invisible for the rest. The folder 'Media' should be read only, writable or invisible for arbitrary users specified on the admin. There could be a large number of users and folders. I can't find a good way to accomplish that. I thought that I could give each user a home folder and put symlinks for the folders he has read access to, and make the user part of the folder's group when he has write access too, but now I think that this wouldn't work, because with PureFTPd (or ProFTPd) I can only specify the virtual user's mapping to a system user, and only one GUID for each virtual user. My approach requires that I could specify several GUIDs for each user (one by each folder he has write access to). I need to start programming this admin and I still don't know wich approach would work, if any. ¿Any ideas?

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• Windows Network File Transfer to Samba server: “Are you sure you want to copy this file without its properties?”

  - by jimp

  I am transferring a lot of files to a new NAS based on OpenMediaVault, with the Samba 3.5.6 service running. I am transferring from Windows 7 64-bit to the NAS, and on some media files Windows is prompting about losing some property data across the transfer. I have never seen this before when transferring to Samba boxes I have built myself (vs this turnkey solution), so I'm guessing there must be a Samba setting I can change to preserve the file properties in question instead of permanently losing whatever they contain (Date Taken? Exposure? Flash Fired? etc). Or maybe I've just never encountered this before; I'm really not sure. I tried adding ea support = yes and store dos attributes = yes to the [global] section, but the problem remains. The Linux file system is ext4 mounted with user_xattr (full options: defaults,acl,user_xattr,noexec,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0) as Samba requires. Any ideas would be greatly appreciated. Thank you! Samba config: [global] workgroup = WORKGROUP server string = %h server include = /etc/samba/dhcp.conf dns proxy = no log level = 2 syslog = 2 log file = /var/log/samba/log.%m max log size = 1000 syslog only = yes panic action = /usr/share/samba/panic-action %d encrypt passwords = true passdb backend = tdbsam obey pam restrictions = yes unix password sync = no passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . pam password change = yes socket options = TCP_NODELAY IPTOS_LOWDELAY guest account = nobody load printers = no disable spoolss = yes printing = bsd printcap name = /dev/null unix extensions = yes wide links = no create mask = 0777 directory mask = 0777 use sendfile = no null passwords = no local master = yes time server = yes wins support = yes ea support = yes store dos attributes = yes Note: I found this related question, but it explains the loss due to the user trying to transfer from NTFS to FAT32.

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• Software/hardware to build video streaming server?

  - by Sasha Yanovets

  I am looking for a video streaming server solution, something like online TV server, with ability to make live broadcasts in the internet. What software could you recommend for that? What kind of hardware it should run on, should be there anything special? I am looking for a solution that could be scaled up to at least 1000 simultaneous users online with good resolution of video. I think it is good to have general answer on what direction to choose. But here more details on my specific case: I just looking for a solution almost from scratch. We have some video content that we've produced, but it is not delivered over internet yet. We do not tied to any particular vendor for now. We want to make 24 hours of steaming three 8 hour blocks with change of content every day. We want the ability to make regular live broadcasts. I guess we will need to have several options of streaming quality (low ~56 kb/s mid ~273 kb/s). Some terms just foreign to me (like play-truncation rate), if you could point out what parameters we should avare of, it would be great. Uplink to the internet is to be determined. We plan to start from something and scale up on the way. If you are already have some kind of media streaming server, just describe its configuration here (hardware, OS, software), peak number of concurrent users it serves. I think it could help people approaching this task.

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• Computer always freezing after random periods of time. No errors listed.

  - by Wesley

  Hi, all. Here are my specs beforehand: AMD Athlon XP 2400+ @ 2.00 GHz, 160GB IDE HDD, 128MB GeForce 6200 AGP, 2 x 512MB PC3200 DDR RAM, CoolMax 350W PSU, 1 x CD-RW Drive, 1 x DVD-ROM Drive, FIC AM37 Mobo, Windows XP Pro SP3 My desktop freezes after random periods of time but there are no errors listed in the Event Viewer after a forced shutdown and restart. A couple months ago, I found that when it froze, the floppy was being accessed at the same time. So, I disconnected the floppy (since I never used it anyways) from the power supply and motherboard. Everything was working fine and the computer never froze. This past Christmas break, I left for a Conference and when I got home, the computer kept freezing again. So, this time, I just disconnected the DVD reader (from mobo and power) and started it up. Still, it froze almost right away. Then I found some older sticks of RAM (2 x 256MB PC2100 DDR) and swapped them in. Everything worked fine again after that. I even swapped the 2 x 512MB PC3200 DDR RAM back in and everything worked okay. Then it started freezing again, and I tried all possible RAM combos, still freezing within 5-10 minutes of startup. One thing I've realized is that the floppy drive is still listed in My Computer and I uninstalled it from my Device Manager already. There were no software errors, and I uninstalled the most recent software, with no effect. Still, I have no idea what is wrong because everything ran fine before that. Any suggestions? EDIT: Still have yet to buy some blank CD media to use Memtest86+. However, would a lack of virtual memory cause the computer to freeze? EDIT2: So after a long time, I ran Memtest86+ and all is well. Turns out though, after removing my original DVD reader and replacing it with a DVD-ROM drive, there is no freezing whatsoever! Thanks for all your suggestions!

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• How to replicate a windows servers (IIS,Files,ConfigurationState)?

  - by Geo

  Maybe a better question is: What is the closest competitor for DoubleTake? I am looking to replicate a windows production server in case it fails have a immediate backup. Any idead? NOTE 1: I forget to add that this server is on the EC2 Amazon Cloud. NOTE 2: The main situation we have is recreating the configuration settings like IIS, FTP Server, SQL Server, SVN Server. NOTE 3: So far I have been giving three options as answers for my original question: AppAssurance -- After talking to their sales team they do not support Amazon as cloud provider. Basically there is a technical need to be able to reboot from a disk or similar media. So ESX Virtual machine environment will work, but not the EC2. Acronis -- which works as a backup in ghost style. This will work for other type of scenarios. Use the Amazon EC2 API -- This option is ideal, but only works if you are developing a cloud application rather than hosting a regular application in a cloud scenario. This means that I am still looking for the answer. Any other ideas.

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• What are the "least legally restrictive" well-connected countries to host a website?

  - by monster

  NB: I am aware that this question is subjective, as it can't be defined precisely, but the answers should still be "objective": Country name, and what makes it legally safer. EDIT: A) I am located in Germany. B) I am NOT looking for a place to offer pirated Software/Media; no binary on my site, except "profile icon". Hello! I want to start publishing "social" websites / apps, and I found that the biggest initial problem is this: Any and all services I have to depend on, including Domain Registrar, DNS provider, Server/Cloud Provider, CDN Provider, ... even my Insurance Agent, basically say that they can "throw me out" if my website contains "unacceptable" content. It's always phrased in such a way that basically anything can fall under "unacceptable" content. This is very frustrating because you just can't fully control what users post on your "social website", and you so you basically have to expect when you go to bed that your site is going to be gone when you wake up. I've heard a lot of horror stories about this. Since the "Terms Of Service" of all those providers are foremost to protect themselves from legal actions, and those legal actions depend on the country where they are located, it seems like the first step is to find which country is the "safest" to locate a site. "Safest" being defined as, where I am least likely to get in legal trouble with the local authorities, if some user posts something unacceptable in some way. The main restriction is that it should also be a "well-connected" country, because there is no point in being "safe", if my users can't get to my sites, or the latency is unacceptable. I am targeting the English speaking people in any country as my future users.

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• Ubuntu hard disk getting SATA errors

  - by Henadzy

  I am getting "UNC" errors on a hard disk on Ubuntu 9.10. It slows down my system, applications have not been responding for a long time. But when I mount the filesystem on another computer, it works properly. disk: SAMSUNG HD161HJ (SATA) syslog: Apr 25 00:28:25 vare6gin kernel: [ 885.773839] ata3.00: exception Emask 0x1 SAct 0x1e SErr 0x0 action 0x6 frozen Apr 25 00:28:25 vare6gin kernel: [ 885.773845] ata3.00: Ata error. fis:0x21 Apr 25 00:28:25 vare6gin kernel: [ 885.773861] ata3.00: cmd 60/08:08:3f:00:ad/00:00:10:00:00/40 tag 1 ncq 4096 in Apr 25 00:28:25 vare6gin kernel: [ 885.773864] res 51/40:24:67:c8:91/40:00:05:00:00/40 Emask 0x9 (media error) Apr 25 00:28:25 vare6gin kernel: [ 885.773871] ata3.00: status: { DRDY ERR } Apr 25 00:28:25 vare6gin kernel: [ 885.773877] ata3.00: error: { UNC } [...snip 3 similar repeats of last 4 lines; see revision history for full log...] Apr 25 00:28:25 vare6gin kernel: [ 885.773970] ata3: hard resetting link Apr 25 00:28:25 vare6gin kernel: [ 885.773974] ata3: nv: skipping hardreset on occupied port Apr 25 00:28:25 vare6gin kernel: [ 886.240073] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Apr 25 00:28:25 vare6gin kernel: [ 886.256277] ata3.00: configured for UDMA/133 Apr 25 00:28:25 vare6gin kernel: [ 886.256305] ata3: EH complete Apr 25 00:28:27 vare6gin kernel: [ 888.176088] ata3: EH in SWNCQ mode,QC:qc_active 0xF sactive 0xF Apr 25 00:28:27 vare6gin kernel: [ 888.176099] ata3: SWNCQ:qc_active 0xF defer_bits 0x0 last_issue_tag 0x3 Apr 25 00:28:27 vare6gin kernel: [ 888.176102] dhfis 0xF dmafis 0x1 sdbfis 0x0 Apr 25 00:28:27 vare6gin kernel: [ 888.176109] ata3: ATA_REG 0x51 ERR_REG 0x40 Apr 25 00:28:27 vare6gin kernel: [ 888.176113] ata3: tag : dhfis dmafis sdbfis sacitve Apr 25 00:28:27 vare6gin kernel: [ 888.176120] ata3: tag 0x0: 1 1 0 1 Apr 25 00:28:27 vare6gin kernel: [ 888.176126] ata3: tag 0x1: 1 0 0 1 Apr 25 00:28:27 vare6gin kernel: [ 888.176131] ata3: tag 0x2: 1 0 0 1 Apr 25 00:28:27 vare6gin kernel: [ 888.176136] ata3: tag 0x3: 1 0 0 1

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• Windows Phone sync error when syncing with iTunes on different Hard Drive

  - by njallam

  I have my iTunes library file on a separate hard drive (which I believe may be the cause of the problem) and I have been trying to use it to synchronize with my Windows Phone. I would like to first note that if I set up my phone to synchronize with 'Windows Libraries', then it works fine. This is however not ideal as I have categorised my music and made playlists etc, on iTunes. When I first link my Windows Phone to the Windows Phone App (for desktop) and select iTunes from the above selection, I get the following error message: After searching that error, I found the following forum threads: Fix for error 8300300B when trying to sync Lumia 920 Windows 8 Phone in PC? Error code 8300300B on Windows Phone 8 while trying to sync I've tried the workarounds described in the above threads, however, they did not work for me. If I ignore that error message, I see the expected interface, along with all of my iTunes library's media, however the 'Sync' button is greyed out. I have tried some other things to try and fix this: Removing the app's AppData folder Uninstalling, reinstalling Using the full-screen modern app (does not allow for iTunes syncing)

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