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• Fixing corrupt files or corrupt file table on a USB drive?

  - by Kelsey

  I was doing a virus scan on an external USB drive while copying data over to it. While AVG was scanning my system got locked up I think due to the USB drive running out of space and it required a reboot. Since that time all data on the external drive is no longer accessible. I can see all the files in the root and directories but I cannot browse into any of them as Windows 7 gives an error stating they are corrupt. I think the file table or whatever it uses to store the index of what exists on the drive has been corrupted since it still shows the the drive as being almost full but everything I do a properties check on says it is 0 bytes. Does anyone know how to 'unlock' or recover this data? Is there a way to rebuild the file table somehow? Luckily I can recover this data from other sources as a last resort but I would like to fix this if possible. Any help would be appreciated. Thanks.

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• How to start vim without executing /etc/vimrc?

  - by florin

  On my Linux server at work, the admins did not install cscope, and I installed it from source in my home directory and added it to the $PATH. The trouble is, the /etc/vimrc has a reference to /usr/bin/cscope which does not exist and everytime I start vim, it complains about that and I have to press for that message to go away. It is interesting that if I remove cscope from my $PATH, I don't get that behavior - so it is possible that vim is testing that cscope exists somewhere, and only then executing the cscope configuration - but then it gets it wrong! So my question is: can I set something up in my .vimrc so it does not source the global /etc/vimrc? I don't want to move cscope out of PATH, as I don't want to type the full directory name every time I run it from the command line.

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• Is it common to have portable hard drive not recognize?

  - by lamwaiman1988

  I have a bad hard drive which could not be recognized by windows. If windows can recognize it, it could just be pure luck. There are better chance of it being recognize by plugging it at the usb back of the machine, rather than the front one. More interestingly, I have a usb cable which fork itself at one side ( i.e it has 2 heads at one side ). I can plug both heads to the machine and connect the portable hard drive on the other end of the usb cable? Can I get more voltage by doing this? I am guessing the front usb port doesn't have enough power. I am wondering if I buy a new portable usb hard drive, would it have easy read by plugging at the front usb port? I am not sure if I screw up the jumper connecting the front usb ports, but it is okay for other device such as usb stick and mouse.

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• How to set WAN side buffers for WRT54GL running Tomato Firmware

  - by Vickash

  I've recently set up a machine running m0n0wall to try and fight buffer bloat and do some traffic shaping. It was more convenient (geographically speaking) to connect the cable modem directly to my old WRT54GL, then pass everything to the m0n0wall machine and have that do the real routing work. It took a bit of work, but it's working pretty well. I have a cable connection. I have m0n0wall set up to utilize only 90% of the specified speed of my subscription, which is fine. But I've noticed that at certain times of the day (possibly when my true bandwidth drops below that 90%), there's more latency if the connection is used heavily, and traffic shaping doesn't seem to work as well. I suspect this is caused by the buffers on the WRT54GL still being unnecessarily large. If the connection is working as expected, they won't get filled, but in times of reduced bandwidth they would. Does anyone know the command I need to execute, on the WRT54GL running Tomato Firmware, to reduce the buffers on the WAN interface to the minimum size possible?

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• How can I uninstall AppFabric?

  - by downatone

  I recently upgraded from Win 7 - Win 8. AppFabric was not one of the programs that came up as being incompatible when I ran the upgrade wizard, so I did not uninstall it. Now whenever I goto "Add or remove features" I get the following error: --------------------------- Windows Server AppFabric Setup Wizard --------------------------- Windows Server AppFabric is not supported on current operating system Windows 8 Pro(version 6.2.9200.0). Please refer to installation guide for the list of supported operating systems. --------------------------- OK --------------------------- Unfortunately the only way to uninstall AppFabric is via the "Add or remove features" - does anyone know a commandline command to kick the uninstall so I can at least access "Add or remove features"? Edit: C:\Windows\System32\AppFabric\Setup.exe /remove Throws the same error as above.

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• You need to format the disk in drive

  - by Sab

  I was copying some files over to my external hard disk and suddenly a message popped up saying that some file was open and it could not continue.It asks me whether I want to cancel the operation and I said cancel(The other operation was continue.) After that whenever I plug in the usb into the same computer it does not work. It keeps saying that I need to format the disk to continue. Luckily for me it opened on another computer and am backing up all my data. But now I am wondering why exactly this happened. Is it that the hard disk is weak. Also as an addon I currently use http://www.dtidata.com/windowssurfacescanner/ program to check for bad sectors. Is this the recommended way or is there some other better more reliable way to check if my hard disk is failing? Also could the above problem be because the hard disk is failing? If not why does it happen.Even if the hard disk is interrupted in the middle of a read write cycle doesnt there exist error handling code to enable gracefull recovery?

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• Running Linux or Windows virtual

  - by Alxandr

  I'm installing a new server after this weekend, and it musth have both windows server 2008 r2 and linux (probably ubuntu) running, but I'm wondering which one of them I should run virtual. Windows will be used mostly for rdp and for serving asp.net webpages, linux will host some django-applications and a postgreSQL server etc.

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• virtualbox snapshot size

  - by intuited

  I've started using Windows 7 under VirtualBox on an Ubuntu 10.10 host. I took about 6 snapshots over the course of setting up the VM from the Windows restore image that came with the computer. My installations were more or less limited to windows updates, antivirus, and the VB Guest Additions. I uninstalled much more than I installed. The VM was running for about 24 hours total. The snapshots increased in size at a worrisome rate, even when the machine was idle: the snapshot .vdi file for the period between 11:22 PM and 9:02 AM is 6 gigs in size; during that time very little happened. The other .vdi files are between 0.5 and 3 GB, most between 1 and 2 GB. The corresponding .sav files are between 0.5 and 1 GB. The Internet connection where I was doing this is limited to 30KB/s download, which, constantly saturated, works out to less than 3 GB per 24 hour period. Is this normal? Is there something that can be done to make snapshots more practical? update On starting up the VM again, I've noticed that mscorsvw is using significant processing time. Apparently this process [precompiles .NET assemblies]. This may have been going on during the period when I was taking snapshots, which might explain some of the snapshot size increase. I would be somewhat surprised to learn that this could be responsible for over 10 GB of additional disk usage, or that it would run for roughly 24 hours. Is this possible?

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• Easy line break removal from text fields and/or selections

  - by AmV

  I'm looking for a tool that allows me to easily re-wrap text (i.e. remove line breaks, but not paragraph breaks from a text selection or the current text field that is being edited), and that works at least with text fields in my browser (Chrome) and on Windows. Bonus points for anything that works outside the browser, and that works in-place (i.e. that doesn't require copy-pasting the text through a separate window or using something like http://www.textfixer.com/tools/remove-line-breaks.php) Browser extensions, GreaseMonkey scripts or applications that also work on Linux and/or Mac (or even better, that are multi-platform) are all welcomed. Here is an example of how the tool should behave. If I have the following in a text field: This is a test for SuperUser.com. This is a test for SuperUser.com. This is a test for SuperUser.com. This is a test for SuperUser.com This is a test for SuperUser.com. This is a test for SuperUser.com. This is a test for SuperUser.com. This is a test for SuperUser.com I'd like to have an easy tool that allows me to, for example, select the text, and with a keyboard shortcut convert it to: This is a test for SuperUser.com. This is a test for SuperUser.com. This a test for SuperUser.com. This is a test for SuperUser.com This is a test for SuperUser.com. This is a test for SuperUser.com. This a test for SuperUser.com. This is a test for SuperUser.com Thanks in advance!

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• Connect iPad to windows 7 VPN

  - by Linuz

  My iPad keeps spitting out the error: "A connection could not be established to the PPP server." I am trying to connect it to a VPN I set up with Windows 7 as an incoming connection. On the iPad, I went into the VPN settings, added a new PPTP VPN with the following information Server: Windows 7 Computer's IP RSA SecurID: OFF Account: Account Username Password: Account Password Encryption Level: Auto Send All Traffic: ON Proxy: Off Now I know that it is making some connection to the Windows 7 Computer because whenever I intentionally put in the wrong VPN password on the iPad, it makes me put in the correct one before trying to connect again. All the ports are forwarded on my router for PPTP, and my Windows 7 Firewall is even off to try to get this to work. Any help would be greatly appreciated, thanks.

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• NHibernate IPreUpdateEventListener weird behaviour

  - by mcaaltuntas

  I am using NHibernate 2.0.1 and IPreUpdateEventListener,IPreInsertEventListener events for audit logging purposes. I have a basic entity that has a one to many relation like this. User-------Books From an ASP.NET MVC controller method i am adding a book to a user like this. Book book =new Book("LOTR"); var userBook=user.AddBook(book); After session flushing OnPreInsert event called once for newly created Book object than OnPreUpdate called for all books objects in user's books collection even they have not changed.So I am updating LastMofiedDate property of all books objects and I dont want to do this. Is this supposed behaviour of NHibernate or am I missing something?

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• CD/DVD burn error in ImgBurn and Nero

  - by bobby

  I am getting the errors shown below when I try to burn a CD/DVD on my DVD writer. I am seeing this error for every CD/DVD I try to burn. I am not able to write any CDs or DVDs using ImgBurn. The burn log below is a failed burn in Nero. What could be causing this error? Nero Burning ROM bobby 4C85-200E-4005-0004-0000-7660-0800-35X3-0000-407M-MX37-**** (*) Windows XP 6.1 IA32 WinAspi: - NT-SPTI used Nero Version: 7.11.3. Internal Version: 7, 11, 3, (Nero Express) Recorder: <HL-DT-ST DVDRAM GSA-H12N> Version: UL01 - HA 1 TA 1 - 7.11.3.0 Adapter driver: <IDE> HA 1 Drive buffer : 2048kB Bus Type : default CD-ROM: <ATAPI-CD ROM-DRIVE-52MAX > Version: 52PP - HA 1 TA 0 - 7.11.3.0 Adapter driver: <IDE> HA 1 === Scsi-Device-Map === === CDRom-Device-Map === ATAPI-CD ROM-DRIVE-52MAX F: CdRom0 HL-DT-ST DVDRAM GSA-H12N G: CdRom1 ======================= AutoRun : 1 Excluded drive IDs: WriteBufferSize: 83886080 (0) Byte BUFE : 0 Physical memory : 958MB (981560kB) Free physical memory: 309MB (317024kB) Memory in use : 67 % Uncached PFiles: 0x0 Use Inquiry : 1 Global Bus Type: default (0) Check supported media : Disabled (0) 11.6.2010 CD Image 10:43:02 AM #1 Text 0 File SCSIPTICommands.cpp, Line 450 LockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL 10:43:02 AM #2 Text 0 File Burncd.cpp, Line 3186 HL-DT-ST DVDRAM GSA-H12N Buffer underrun protection activated 10:43:02 AM #3 Text 0 File Burncd.cpp, Line 3500 Turn on Disc-At-Once, using CD-R/RW media 10:43:02 AM #4 Text 0 File DlgWaitCD.cpp, Line 307 Last possible write address on media: 359848 ( 79:59.73) Last address to be written: 318783 ( 70:52.33) 10:43:02 AM #5 Text 0 File DlgWaitCD.cpp, Line 319 Write in overburning mode: NO (enabled: CD) 10:43:02 AM #6 Text 0 File DlgWaitCD.cpp, Line 2988 Recorder: HL-DT-ST DVDRAM G SA-H12N; CDR co de: 00 97 27 18; O SJ entry from: Pla smon Data systems Ltd. ATIP Data: Special Info [hex] 1: D0 00 A0, 2: 61 1B 12 (LI 97:27.18), 3: 4F 3B 4A ( LO 79:59.74) Additional Info [hex] 1: 00 00 00 (invalid), 2: 00 00 00 (invalid), 3: 00 0 0 00 (invalid) 10:43:02 AM #7 Text 0 File DlgWaitCD.cpp, Line 493 >>> Protocol of DlgWaitCD activities: <<< ========================================= 10:43:02 AM #8 Text 0 File ThreadedTransferInterface.cpp, Line 785 Nero Report 1 Nero Burning ROM Setup items (after recorder preparation) 0: TRM_DATA_MODE1 (2 - CD-ROM Mode 1, Joliet) 2 indices, index0 (150) not provided original disc pos #0 + 318784 (318784) = #318784/70:50.34 not relocatable, disc pos for caching/writing not required/not required -> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 318784 blocks [G: HL-DT-ST DVDRAM GSA-H12N] -------------------------------------------------------------- 10:43:02 AM #9 Text 0 File ThreadedTransferInterface.cpp, Line 986 Prepare [G: HL-DT-ST DVDRAM GSA-H12N] for write in CUE-sheet-DAO DAO infos: ========== MCN: "" TOCType: 0x00; Se ssion Clo sed, disc fixated Tracks 1 to 1: Idx 0 Idx 1 Next T rk 1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 307200 6531768 32, ISRC "" DAO layout: =========== ___Start_|____Track_|_Idx_|_CtrlAdr_|_____Size_|______NWA_|_RecDep__________ -150 | lead-in | 0 | 0x41 | 0 | 0 | 0x00 -150 | 1 | 0 | 0x41 | 0 | 0 | 0x00 0 | 1 | 1 | 0x41 | 318784 | 318784 | 0x00 318784 | lead-out | 1 | 0x41 | 0 | 0 | 0x00 10:43:02 AM #10 Text 0 File SCSIPTICommands.cpp, Line 240 SPTILockVolume - completed successfully for FSCTL_LOCK_VOLUME 10:43:02 AM #11 Text 0 File Burncd.cpp, Line 4286 Caching options: cache CDRom or Network-Yes, small files-Yes (<64KB) 10:43:02 AM #12 Phase 24 File dlgbrnst.cpp, Line 1767 Caching of files started 10:43:02 AM #13 Text 0 File Burncd.cpp, Line 4405 Cache writing successful. 10:43:02 AM #14 Phase 25 File dlgbrnst.cpp, Line 1767 Caching of files completed 10:43:02 AM #15 Phase 36 File dlgbrnst.cpp, Line 1767 Burn process started at 48x (7,200 KB/s) 10:43:02 AM #16 Text 0 File ThreadedTransferInterface.cpp, Line 2733 Verifying disc position of item 0 (not relocatable, no disc pos, no patch infos, orig at #0): write at #0 10:43:02 AM #17 Text 0 File MMC.cpp, Line 17806 StartDAO : CD-Text - Off 10:43:02 AM #18 Text 0 File MMC.cpp, Line 22488 Set BUFE: Buffer underrun protection -> ON 10:43:03 AM #19 Text 0 File MMC.cpp, Line 18034 CueData, Len=32 41 00 00 14 00 00 00 00 41 01 00 10 00 00 00 00 41 01 01 10 00 00 02 00 41 aa 01 14 00 46 34 22 10:43:03 AM #20 Text 0 File ThreadedTransfer.cpp, Line 268 Pipe memory size 83836800 10:43:16 AM #21 Text 0 File Cdrdrv.cpp, Line 1405 10:43:16.806 - G: HL-DT-ST DVDRAM GSA-H12N : Queue again later 10:43:42 AM #22 SPTI -1502 File SCSIPassThrough.cpp, Line 181 CdRom1: SCSIStatus(x02) WinError(0) NeroError(-1502) Sense Key: 0x04 (KEY_HARDWARE_ERROR) Nero Report 2 Nero Burning ROM Sense Code: 0x08 Sense Qual: 0x03 CDB Data: 0x2A 00 00 00 4D 00 00 00 20 00 00 00 Sense Area: 0x70 00 04 00 00 00 00 10 53 29 A1 80 08 03 Buffer x0c7d9a40: Len x10000 0xDC 87 EB 41 6E AC 61 5A 07 B2 DB 78 B5 D4 D9 24 0x8D BC 51 38 46 56 0F EE 16 15 5C 5B E3 B0 10 16 0x14 B1 C3 6E 30 2B C4 78 15 AB D5 92 09 B7 81 23 10:43:42 AM #23 CDR -1502 File Writer.cpp, Line 306 DMA-driver error, CRC error G: HL-DT-ST DVDRAM GSA-H12N 10:43:55 AM #24 Phase 38 File dlgbrnst.cpp, Line 1767 Burn process failed at 48x (7,200 KB/s) 10:43:55 AM #25 Text 0 File SCSIPTICommands.cpp, Line 287 SPTIDismountVolume - completed successfully for FSCTL_DISMOUNT_VOLUME 10:44:01 AM #26 Text 0 File Cdrdrv.cpp, Line 11412 DriveLocker: UnLockVolume completed 10:44:01 AM #27 Text 0 File SCSIPTICommands.cpp, Line 450 UnLockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL Existing drivers: Registry Keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon Nero Report 3

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• Java version indicates SE 6, Java Control Panel SE 8

  - by Mariogs

  So I'm trying to get the Java 7 as the default version on my machine, running Mac OS X 10.9.3. When I run: java -version I get: java version "1.6.0_65" Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609) Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode) When I run: javac -version I get: javac 1.6.0_65 When I go into System Preferences -- Java -- Update, I see: Your system has the recommended vesion of Java. Java 8 Update 05. I guess I have a few questions: 1) Why does my Java Control Panel claim I have Java 8, but my work in the terminal (when checking my Java version) says otherwise? 2) I just downloaded the .dmg file for Java SE 7 from Oracle's site and installed, though it's nowhere to be seen... Thanks for the help, Mariogs

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• Photoshop -- Cannot save as TGA

  - by bobber205

  What prevents Photoshop from allowing me to save an image as a TGA? It seems random and is becoming very frustrating... :(

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• Mail.app does not show new mail when iPod touch is active

  - by Debilski

  I have synchronised the e-Mail settings of the iPod touch with the settings of my IMAP account in Mail.app. Now sometimes the iPod would show there are new mails with Mail.app totally ignoring their existence for hours. Only when Mail.app is restarted would these new mails show up. Is there anything I can do that Mail.app is up-to-date even though the iPod is running?

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• Using PhysX on a Radeon GPU?

  - by davr

  Is it possible to get PhysX to run on a Radeon GPU? I've seen various posts on forums claiming someone has found a way, but I was unable to locate any actual guides or software downloads to do it. Note: I don't mean running a GeForce and Radeon GPU in the same machine, I mean having only a Radeon GPU and having it run PhysX.

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• Can PaperPort be used to convert a non OCR PDF to OCR PDF?

  - by Senseful

  My scanner came with the following software: ScanSoft PageViewer ScanSoft PaperPort ScanDirect I believe it also comes with a basic version of OmniPage I'm not sure which of these programs is the one that actually performs the OCR. When I scan a document, it can perform OCR on it and convert it to a searchable PDF. Is there any way I can take an existing image or PDF file and run the same OCR engine on it in order to create a searchable PDF?

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• Automatic time tracking with central server, web reports

  - by user124209

  I need a software for automatic time tracking on Windows. With the following features: It should record time spent using the computer each day. Start time and end time. It should record what programs the employee used and total time for that program for specified period of time. It must have a centralized server that collects and stores all data. It could be a cloud server outside of a company network. It must have a web interface for viewing the monthly reports (the last but the most important requirement!). A nice feature to have would be an automatic generation of timesheets and Mac OS X support. I am looking to use it for a small team, this is not for personal use. Does anybody knows about software with these features?

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• How to Recover HDD Formatted by "Create a Recovery Drive" Tool of Windows 8.1?

  - by ide

  I have 2 TB USB HDD which had these drives F: about 1 TB with 750 GB data H: about 120 GB with 60 GB data I: about 780 GB with 250 GB data (For TV: It was raw in Windows but visible in the Smart TV) I took 521 MB from last part of H to get new G drive. Then I run "Create a Recovery Drive" tool of Windows 8.1 and chose G drive. It said all data in the drive will be deleted. I thought it is just G drive but it deleted my whole HDD. It created 32 GB new F drive with writing 337 MB on it and rest of HDD is unallocated. I tried these programs to get my first 3 drives but non of them helped for getting 1st partition. TestDisk MiniTool Partition Wizard Home Edition EaseUS Partition Master 9.2.2 (I deleted new F drive volume because it scans only unallocated part) Recuva PC Inspector File Recovery

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• Get Python to raise MemoryError instead of eating all my disk space

  - by asmeurer

  If I run a Python program with a memory leak, I would normally expect the program to eventually die with MemoryError. But instead, what happens is that all the virtual memory is used until my disk runs out of space. I am running Mac OS X 10.8 on a retina MacBook Pro. My computer generally has between 10GB to 20GB free. Mac OS X is smart enough to not die completely when the disk runs out of space (rather, it gives me a dialog letting me force quit my GUI programs). Is there a way to make Python just die when it runs out of real memory, or some reasonable amount of virtual memory? This is what happens on Linux, as far as I can tell. I guess Mac OS X is more generous than Linux with virtual memory (the fact that I have an SSD might be part of this; I don't know just how smart OS X is with this stuff). Maybe there's a way to tell the Mac OS X kernel to never use so much virtual memory that leaves less than, say, 5 GB free on the hard drive?

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• Vim: :silent with makeprg

  - by ash

  I use pylint on .py files for :make in my .vimrc, although any program, pylint or otherwise, applies to this problem. set makeprg=pylint\ --reports=n\ --output-format=parseable\ % When I run :make, I inevitably get the annoying Press ENTER or type command to continue prompt. I know this can be disabled with :silent, but I can't prepend it to the makeprg variable like this, because it throws an error: set makeprg=:silent "pylint\ --reports=n\ --output-format=parseable\ %" If I try to have my own "Silent make command," command Smake silent make The screen goes black after calling it. How would I do it?

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• Everyone can access my Windows 7 Homegroup file shares - Even Windows XP computers

  - by Adrian Grigore

  I have 3 computers in my network, two running Windows 7 and one running Windows XP. I've set up a homegroup on both Windows 7 computers. Also, all computers are in the same Workgroup. The problem is that one of the Windows 7 computers makes all shares accessible to the entire Workgroup instead of just sharing to the Homegroup as it should be. I created the file share in Windows 7 via right-click in the explorer, then click on "Share For" - "Homegroup (Read/Write)" (translated from German, so the actual wording may be different). Also, when I look at the file sharing properties of that folder, Windows Explorer informs me that Users must have a valid account and password for this Computer to access drive shares. Unfortunately this is not true. Being in the same Workgroup is enough to get access. Homegroup restrictions work as expected on my other Windows 7 computer. When trying to browse those shares from the XP computer, I get a dialog asking for a login and password. What might cause homegroup restrictions to fail and how can I fix this?

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• What is the best way to keep a VGA cable plugged into a laptop

  - by Ryan B

  I am looking for the best way to keep a VGA cable plugged into a laptop for an extended period of time. The laptop doesn't have the female end threads like you may see on a video card. Between the VGA port location and my hand size, I knock the cable out often. I am working on getting a docking station, but not sure when it would be ordered (work-related). I found an adapter, but not sure if it will work. Thanks

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• needing storage integrity (write/read) test - for BASH

  - by Mr. Bash

  In need of shell scripts / bash commands to verify data integrity of local harddrives, usb-drives, etc, ... Like the famous www.heise.de/download/h2testw; or something that is at least common within repositories. (h2testw writes a specific datastring over and over onto the medium, then reads it again to verify if it was written correctly and displays write/read time/speed.) please no dd if=/dev/random of=/dev/sdx bs=1k && dd if=/dev/sdx of=/dev/null bs=1k since it won't verify if everything was written correctly. It is only a test if read/write is successful to the device. So far, I'm not too happy with badblocks -w -v /dev/sdx1 either, since it seems rather slow and I don't know what it exactly writes, and if it considers wear-leveling on flash media. There is also a program named F3 http://oss.digirati.com.br/f3/ that needs to be compiled. Designed after h2testw, the concept sounds interesting, i'd just rather have it as a ready to go bash script.

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• Change the default route without affecting existing TCP connections

  - by Patrick Horn

  Let's say I have two public network addresses on my server: one NAT through an ISP (192.168.99.0/24), and a VPN through a different ISP (192.168.1.0/24), already configured with a per-host route to the VPN server through my ISP. Here is my initial routing table. I am currently routing through my ISP on subnet 192.168.99.0/24. $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.99.1 0.0.0.0 UG 0 0 0 eth1 55.66.77.88 192.168.99.1 255.255.255.255 UGH 0 0 0 eth1 192.168.99.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 Now, I want new TCP connections to switch to my 192.168.1.0/24 so I type the following: $ route add -net 0.0.0.0 gw 192.168.1.1 dev tap0 When I do this, it causes some long-standing TCP connections to hang. Is there a way to I safely change the default interface for new connections, while allowing existing TCP connections to use the old route (i.e. do I need enable some sort of stateful routing table)? I am okay with a solution that only works with established TCP connections, and I don't care how hacky it is. For example, if there is a way to add temporary iptables rules for existing connections to force them over the old route. But there has to be some way to do this. EDIT: Just a note about a simple "route add -host ... " for existing connections: this solution would work if I am fine with leaving a subset of IPs on the old interface. However, in my application, this actually doesn't solve my problem because I want to allow new connections to come on the new interface even if they have the same source IP. I'm now looking at using the "ip route" command to set source-based routing rules.

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