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• Laptop harddisk produces clicking sound

  - by Alfred James

  This happens when I am booting up into windows, shutdown or things in which I access the harddrive excessively. It doesn't happen all the time. I have checked it with "Crystal disk Info" and it displays no problem, and shows HDD to perfectly fine. Should I be worried about my HDD? I have Hitachi HDD in laptop. Some times my harddrive temps reach upto 43C while watching movies or playing games. What are the normal temps, which are safe for HDD to operate and increase the lifetime of HDD. Thanks

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• Test/Dummy SMTP server for Windows

  - by geoaxis

  I would like to install a Test/Dummy SMTP server on a Windows 2008 server (virtual box). I just want to test my web application on the machine it self so I don't need the mails to go out on the internet, but just to be written to disk (so that I can verify that the mail function was indeed called and the correct data was handed over to SMTP) Can you recommend some tool. I guess starting your own SMTP server in python is an option. I am looking for a simple (ready to use) solution, targeted for tests systems. I will need to integrate it to automated tests (Selenium) at a later stage. Thanks

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• Vista won't boot - just get black screen

  - by DisgruntledGoat

  When I boot into Windows Vista (Ultimate), I just get a black screen (with the mouse visible and working). If I run in safe mode, it seems to pause for a while when loading crcdisk.sys. A lot of research says it could be a problem with the hard drive, but I dual boot Ubuntu and that works fine and I can still see and use the Windows partition absolutely fine from Ubuntu. I tried using the "startup repair" option on the Vista install disk but it didn't detect any problems. I have run chkdsk several times, with this: chkdsk C: /f /r And also drive D (the recycle bin). The first two times it detected and fixed errors on the C drive but now it doesn't detect any errors. Is there anything else that could be causing this problem?

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• How to remove a virus that trigger the internet explorer every some minutes?

  - by Hoang

  Some days ago, I got a file in Windows Live Messenger by an account of my friend, I thought it was a normal file because he normally sent me some files as well. But this time, I had no luck, he got the virus from someone else. I don't know what happens in my computer excepts that my computer hard disk runs as mad and every some minutes it trigger the internet explorer to launch some ads page, includes doubleclick, cam4, motor, etc.... How do I remove this virus from my computer? I don't have any virus program installed yet. My computer os: Windows Vista, the Windows Firewall is disabled somehow that I could not reenable it.

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• Which is generally considered faster or best practice: symlinks or Apache aliases?

  - by Christopher W. Allen-Poole

  I'm curious as to what most people's views are on this subject. Personally, I will almost always prefer symlinks unless I have no other option -- I find that it is far more obvious when someone is navigating the file system, but, on the other hand aliasing is more platform independent. Windows XP, for example, doesn't have anything remotely comparable to symlinks (NTFS junctions are not interpreted correctly by at least some environments), which means that anything which relies on symlinks in a *nix based system cannot be transferred. (I know that Windows 64x OS's have symlinks, but I've not seen if they can be read correctly by the environments previously mentioned) In addition to this, I was also wondering which is considered faster. Is this even possible to know? Do you have a conjecture? I would imagine that since symlinks are generally more low-level than Apache it would make sense that they would be referenced faster, but, on the other hand, I would guess that Apache is required to do a lookup in either case so it would be disk read dependent.

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• Recovering text files in terminal using grep on Mac OS X Snow Leopard

  - by littlejim84

  I foolishly removed some source code from my Mac OS X Snow Leopard machine with rm -rf when doing something with buildout. I want to try and recover these files again. I haven't touched the system since to try and seek an answer. I found this article and it seems like the grep method is the way to go, but when running it on my machine I'm getting 'Resource busy' when trying to run it on the disk. I'm using this command: sudo grep -a -B1000 -A1000 'video_output' /dev/disk0s2 > file.txt Where 'dev/disk0s2' is what came up when I ran df. I get this when running: grep: /dev/disk0s2: Resource busy I'm not an expert with this stuff, I'm trying my best. Please can anyone help me further? I'm on the verge of losing two days of source code work! Thank you

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• Nginx Rewrite to Previous Directory

  - by ThinkBohemian

  I am trying to move my blog from blog.example.com to example.com/blog to do this I would rather not move anything on disk, so instead i changed my nginx configuration file to the following: location /blog { if (!-e $request_filename) { rewrite ^.*$ /index.php last; } root /home/demo/public_html/blog.example.com/current/public/; index index.php index.html index.html; passenger_enabled off; index index.html index.htm index.php; try_files $uri $uri/ @blog; } This works great but when i visit example.com/blog nginx looks for: /home/demo/public_html/blog.example.com/current/public/blog/index.php instead of /home/demo/public_html/blog.example.com/current/public/index.php Is there a way to put in a rewrite rule so that I can have the server automatically take out the /blog/ directory? something like ? location /blog { rewrite \\blog\D \; }

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• forced reformat without login / and bootcamp

  - by debug

  ok.. im pretty good with stuff like this, but I have a question. I have mac mini with 10.5.(x) on one partition, and bootcamp (windows) on the other. My boss wants me to reformat the whole mac (10.6 (x)), which is usually easy. He does not remember his password to login, which means I cannot log in and allocate the bootcamp back to one partition using Disk Utility, then reformat the whole drive. When I insert the Snow leopard CD, I can only wipe out one partition, my question is: Is there a way to force a wipe out of both drives in the boot sequence? Any help to wipe out this whole drive and do a clean install would be helpful.. Thanks superusers!

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• Cloning a USB flash drive to another larger one, is it safe to do so?

  - by Rob Kam

  I used Acronis True Image Home 2010 to clone a Dane-Elec zLight 8Gb pen drive/USB flash drive to a PNY Attaché 16Gb USB flash drive. Now WinXP shows the drive in device manager as USB DISK 2.0 USB DEVICE but doesn't have it in My Computer/doesn't assign it a drive letter. What is it that has messed up the PNY Attaché and is there some way to repair it so that it can be used as a regular USB flash drive again? Is there a safe way to clone a USB flash drive to another larger one? How safe is it to backup and restore a USB flash drive to/from a drive-image?

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• diagnose "corrupt file" problems

  - by Matthew

  My computer has been crashing the last couple weeks pretty regularly (at least once a day). A lot of times things I do will display a little notification in the bottom right saying something about a corrupt file. (I'm on Windows XP Pro Service Pack 3). When the computer does crash I get the "blue screen of death" usually. Some of the notifications also advise running the chkdsk utility. I cannot get it to successfully run. Using the command prompt (or even the "tools" menu after right clicking the drive and choosing properties), it will not run the utility (it says "do you want to schedule it to run next boot time" or whatever, which I confirm). The problem is that most of the time after restarting, it doesn't run at all. The few times it does run, it has an error (I can't remember the error right now, it at least says it's ntfs and such) and says disk checking will end. How can I get it to successfully run?

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• Working bootable CD now suddenly freezes at starting point

  - by xolstice

  I have this strange problem with a bootable CD I created that uses floppy disk 1.44MB emulation. The PC originally worked with it just fine and booted from the CD several times from the prior occasions I used it. Now for some strange reason it decides to freeze at the point where it displays the following text on the screen and does not proceed further: Boot from ATAPI CD-ROM 1. FD 1.44MB System Type-(00) The other strange thing is that if I put in a Linux bootable installation CD, it boots that without any issues. Everytime I stick this custom made bootable CD in it pulls this freezing act. Has anyone experienced this or know how to correct the problem?

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• Can I create an SSH user which can access only certain directory?

  - by RiMMER

  I have a Virtual Private Server which I can connect to using SSH with my root account, being able to execute any linux command and access all the disk area, obviously. I would like to create another user account, which would be able to access this server using SSH too, but only to a certain directory, for example /var/www/example.com/ For example, imagine this user has a HUGE error.log file (500 MB) located in /var/www/example.com/logs/error.log When accessing this file using FTP, this user needs to download 500 MB to view the last lines of the log, but I'd like him to be able to execute something like this: tail error.log Therefore I need him to be able to access the server using SSH, but I don't want to grant him access to all server areas. How can I do this?

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• Netboot Intel Macs without BSDP

  - by notpeter

  I have a netboot setup with DeployStudio that works great in my lab, but doesn't work on our main network. After some digging, I believe it's because our network admins are filtering BSDP (Boot Service Discovery Protocol) on our subnet at the switch level. Is it possible to hard code which server my clients (early 2007 iMac Core2Duos) should boot from without relying on BSDP? Perhaps relevant details: I do not have control over switch configs or DHCP settings. Client and server are running 10.6 Snow Leopard. The clients see the netboot server advertising itself in the 'Startup Disk' system preferences pane, but when I go to netboot it just leaves me with a flashing globe.

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• Transfer nearly an entire file system to a fresh install as smoothly as possible

  - by Xander

  I've got a friend who needs his computer working in just a few hours. His files are safe, however, he managed to corrupt his main install of Windows 7. My plan is to go in with a Linux disk, copy his C:\ do a backup drive I've got and then reinstall. Restoring many of his files will be pretty simple (such as documents and such), however, things such as applications won't transfer as easily. Is there any easy way to transfer applications such as MS Office (which he needs in the morning) or other commercial software packages without having to go through the hassle of locating the keys and reinstalling them completely? I don't think just moving them over will work just because of the fact that I'm sure much of that is stored in the registry (validation stuff and such). Anyways, quick responses would be super nice! Also, additional help would be great!

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• decrypting AES files in an apache module?

  - by Tom H

  I have a client with a security policy compliance requirement to encrypt certain files on disk. The obvious way to do this is with Device-mapper and an AES crypto module However the current system is setup to generate individual files that are encrypted. What are my options for decrypting files on-the-fly in apache? I see that mod_ssl and mod_session_crypto do encryption/decryption or something similar but not exactly what I am after. I could imagine that a PerlSetOutputFilter would work with a suitable Perl script configured, and I also see mod_ext_filter so I could just fork a unix command and decrypt the file, but they both feel like a hack. I am kind of surprised that there is no mod_crypto available...or am I missing something obvious here? Presumably resource-wise the perl filter is the way to go?

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• OEM Office 2010 without media - how to reinstall?

  - by Bryan

  I have recently purchased a new office desktop PC from Dell with OEM version of Windows 7 Pro and Office 2010 Pro. One of the reasons I always use Dell is that they always supply installation media CDs or DVDs, unlike some other companies that just give you ISO images on the hard disk that you have to burn yourself. This is the first PC I have purchased with Office 2010 Pro (OEM), and I was disappointed to see that Dell don't ship out any installation media for office 2010, they just supply a piece of card with the office pro product key printed on it. If the HDD fails completely and I have to perform a clean installation, how can I re-install office? Can I download the trial version of Office 2010 and install that, then offer it my product key? Bearing in mind that the product key is an OEM product, not a retail product, would this work?

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• How to perform diagnostics (stress test) on HP Smartarray Controller

  - by pepoluan

  At my office, we have a server that we suspect its RAID controller (HP Smartarray) is failing. A cold boot, however, does not indicate anything. Can anyone recommend me a method to stress-test the controller? Symptoms that makes me suspect a failing controller: Disk access getting slower, queue getting longer Running dmesg on the XenServer console I see many messages similar to this one: end_request: I/O error, dev tda, sector 253655584 (the sector number is never the same) When we move the VM to another physical host, we no longer see the above message Running idle (without any running VM), the dmesg no longer emit the above message A search on Google indicated that the above message is most commonly associated with a failing SmartArray controller. How can I be sure that the SmartArray controller is failing?

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• Recover data from a corrupted virtualbox vmdk file?

  - by Neth

  The power went out while I was doing a build on a VirtualBox machine, when I restarted the vmdk for the disk the vm was using was corrupted, apparently irrecoverably. I have been able to grep the 66GB vmdk file and it finds strings from the code I was working on that hadn't gotten in to subversion yet (yeah, yeah I know). But the strings are either in the shell history or what look to be strings inside object files. Any ideas for finding/recovering the source code? If it helps the vm was Linux, Fedora Core 10 on an ext3 filesystem. The host is an ubuntu 10.04_amd64 and has an ext4 filesystem.

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• How to fix Windows 2008 R2 BOOTMGR is missing

  - by RichardTheKiwi

  BOOTMGR IS MISSING PRESS CTRL+ALT+DEL TO RESTART Note: This is a VM on VMWare ESX server, but that should not matter I put in the 2008 R2 x64 install dvd and can get to recovery, but it lists no Operating Systems. Clicking on Next brings me to +=========================== System Recovery Options +=========================== Choose a recovery tool Operating system: Unknown or (Unknown) Local Disk ..... Command Prompt I start the command prompt, go to C:\ and perform a dir /a Apart from files I put there myself, these are showing $Recycle.Bin Documents and Settings [C:\Users] Program Files Program Files (x86) ProgramData Recovery System Volume Information Temp Users Windows Where to go next? Is it like the NTLDR problem with Windows 2003 where I can just drop a file in there and it will be hunky dory again?

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• Bulk delete music files physically in songbird

  - by juvenn

  I've downloaded hundreds of songs from SXSW 2009 Showcasing Artists. In Songbird, I've filtered out a lot of songs which I don't like, i.e. gave rating of one to them. I hope to delete all these from my hard disk, but it's a feature yet to implement in Songbird. The most close solution I could get is this. But it works not well, and always messes files around. So, hope you could bring up a reliable and better solution.

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• Scheduled service/script/batch file to move files on condition of other files with similar filenames in same directory on windows

  - by ilasno

  On Windows Server (Data Center? 2008?), i'm trying to set up a scheduled task that will: Within a particular directory For every file in it If there exists (in the same directory) 2 files with similar names (actually the same name with extra extensions tagged on, ie. 'file1.mov' would need both 'file1.mov.flv' AND 'file1.mov.mpg' to exist), then move the file to another directory on a different disk. Following is what i have so far for a batch file, but i'm struggling. I'm also open to another technique/mechanism. @setlocal enableextensions enabledelayedexpansion @echo off SET MoveToDirectory=M:\_SourceVideosFromProduction ECHO MoveToDirectory=%MoveToDirectory% pause for /r %%i in (*) do ( REM ECHO %%i REM ECHO %%~nxi REM ECHO %%~ni REM ECHO filename=%filename% REM SET CurrentFilename=%%~ni REM ECHO CurrentFilename=%CurrentFilename% IF NOT %%~ni==__MoveSourceFiles ( IF NOT x%%%~ni:\.=%==x%%%~ni% DO ( REM SET HasDot=0 REM FOR /F %%g IN %filename% do ( REM IF %%g==. ( ECHO %filename% REM ) ) ) ) pause

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• Acer Aspire PC locked up and won't re-start

  - by Jim Scott

  Vista Home Premium locked up on 5/12/10 while on a website and could not get to 'control-alt-delete.' Mouse locked, too. On/off switch would not work (stayed lit) so I unplugged the power cord. When I tried to re-start the computer I could hear a fan running but it would not boot up, nothing on the monitor and no lights on the keyboard. O/S was preloaded so I do not have a boot disk.I tried pressing F1, F2 and F11 and also with monitor off but nothing worked. Computer has not been been moved or abused so all internal connections should be fine. Have updated Windows Vista Home Premium regularly and also updated Avira anti virus and anti malware programs regularly. Using Firefox and Vista Home Premium O/S. Computer is 2 years old and was purchased new from Best Buy.

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• WSUS setup on ADS Domain Controller VM

  - by NickC

  How should I setup sharing/directory permissions to allow the following to work: VMHost - Hyper-V partition (not part of domain) ADServer - Active Directory Domain Controller running as guest VM on VMHost \VMHost\Updates disk share for WSUS to put the updates and other local files Problem is what permissions do I need to give to \VMHost\Updates to allow WSUS to work with this directory to avoid "The WSUS content directory is not accessible" error which I am currently seeing. As far as I can tell WSUS runs as "domain/Network Service" account. Question is without adding VMHost to the domain how do I give that user appropriate permissions to this directory? Is there a way that VMHost can be told to trust ADServer and then be able to use users accounts from there? Sort of relates to my other post here: Win 2012 Domain controller VM, should the Hyper-V host be part of the domain? Thanks, Nick

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• Blue screen - BCCode: 7F

  - by Joe

  I've recently bought a refurbished Toshiba Satellite A660 11M and I get the blue screen of death appearing fairly frequently now, and I can't seem to work out why or how to prevent/cure it. Firstly I thought it was due to Zone Alarm from what I read on the net, but then I thought it was a memory issue after it crashed whilst I was running Memtest. But after I ran Memtest a second time, it completed without any errors... Here are my computer specs - Toshiba Satellite A660 11M 500 GB hard disk 4 GB RAM Windows 7 Premium Nvidia GeForce GT 330M and here is more info regarding the crashes I keep getting - Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7600.2.0.0.768.3 Locale ID: 2057 Additional information about the problem: BCCode: 7f BCP1: 0000000000000008 BCP2: 0000000080050033 BCP3: 00000000000006F8 BCP4: FFFFF80003040EC0 OS Version: 6_1_7600 Service Pack: 0_0 Product: 768_1

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• Is TrueCrypt robust against data corruption?

  - by Dimitri C.

  I would expect a TrueCrypt volume to be fragile when it suffers from data corruption. This could happen for example because the hard disk, CD or DVD start to deteriorate, or when an USB stick is unplugged while a write is in progress. On the TrueCrypt FAQ it is mentioned that this problem is limited because the data is encrypted in blocks of 16 bytes. However, I'dd like to know if this really so in practice. Is there anyone who has experienced severe data loss due to only small corruptions?

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