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  • Disable Memory Modules In BIOS for Testing Purposes (Optimize Nehalem/Gulftown Memory Performance)

    - by Bob
    I recently acquired an HP Z800 with two Intel Xeon X5650 (Gulftown) 6 core processors. The person that configured the system chose 16GB (8 x 2GB DDR3-1333). I'm assuming this person was unaware these processors have 3 memory channels and to optimize memory performance one should choose memory in multiples of three. Based on this information, I have a question: By entering the BIOS, can I disable the bank on each processor that has the single memory module? If so, will this have any adverse effects or behave differently than physically removing the modules? I ask due to the fact that I prefer to store the extra memory in the system if it truly behaves as if the memory is not even there. Also, I see this as an opportunity to test 12GB vs. 16GB to see if there is a noticeable difference. Note: According to http://www.delltechcenter.com/page/04-08-2009+-+Nehalem+and+Memory+Configurations?t=anon, the current configuration reduces the overall data transfer speed to 1066 and in addition, the memory bandwidth goes down by about 23%.

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  • What else is needed to get iptables to log into this file I created?

    - by anthony01
    I want to create the logging of iptables DROP's and intrusion attemps. First, I put --log-prefix "iptables: " at the end of every iptables rules in my iptables rules file. But this doesn't work, as it says there is a syntax error. So where should I put that command? (I would want to have it included in the saved rules file) Secondly, I created a file iptables.conf within /etc/rsyslog.d/, and I put the following inside of it: :msg, startswith, "iptables: " -/var/log/iptables.log & ~ I assume that at this stage, I'm supposed to restart the rsyslog daemon. What else is needed to do what I'm attempting? Thanks a lot

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  • Can I use a Mac Mini as a web server and database server? What are the pros and cons?

    - by Christopher Altman
    We are a bootstrapped web start up. We have a LAMP web application that we expect relatively low to mid traffic because users need an account to log in. Our current approach is to colocate two servers, a web and mysql database server. We are planning to use Ubuntu Server 9.04. We have shopped around for dedicated servers but the price range from $900 to $1500 per month, therefore we are exploring the colocation approach. We are considering purchasing two Mac Minis (2.0GHz Intel Core 2 Duo 2 Gb RAM) because we are familiar with the machines are the prices are relatively inexpensive. What are the pros and cons of using these 'non-server' grade machines? We would install Ubuntu Sever and attach firewire external hard drives. Any advice on how to set up 'good-and-economic' web/database servers is welcomed.

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  • I found two usb sticks on the ground. Now what?

    - by Stefano Borini
    As from subject. I want to see what's inside. I am seriously interested in finding the owner if possible and returning them, but I am worried it could be an attempt at social engineering. I own a macbook intel with OSX 10.6. It is a very important install. What would you do in my situation if you want to see the content without risks ? Any proposal welcome. Edit: I decided not to plug them in, and I brought them to the hotel reception. They will forward it to the police.

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  • NET START command not passing parameters in Windows Server 2008

    - by Amanbbk
    My application calls a Stored Procedure, through the stored procedure I am calling a Windows Service using the NET START command as follows: SELECT @Cmd = 'Net Start ServiceName /"' + @param1 + '" /"' + @param2 + '"' Now the parameters passed here are not reaching the OnStart method. These values are blank. Protected Overrides Sub OnStart(ByVal args() As String) Try service1= New Service service1.param2 = args(1) service1.param1 = args(0) Here I get args(0) as the name of service instead of the value that is passed, and args(1) is blank. Although the args.Getlength(0) returns 2. The service starts successfully, it invokes the executable, but the parameters are not there. What can be the reason? Administrative access might be required in NET START command? Has the syntax changed for NET START command in Windows Server 2008? Windows Services do not accept parameters in Windows Server 2008? The same thing is running fine on Windows Server 2003.

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  • HDD vanished after wakeup from standby

    - by Sam
    In my computer I got two hard drives: One 80GB Intel X25 Postville SSD for the system and a 1,5TB Sata HDD for data. When I put the system into standby, and wake it up again, roundabout 50% of the time the 1,5TB HDD is not found. It just vanished from the system (wreaking havok to all programs running which had open files on it). Even going into the system management and refreshing the drives does not find the lost HDD. There are no messages about this in the event log. After a warm reboot the hdd is found again, just like it should. The system is a Shuttle SP35P2 Pro with 8GB Ram and DualCore CPU, OS is Windows 7 Ultimate. I even set up the OS anew, didn't help. Any ideas what might cause this? How to debug, or maybe even fix it?

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  • How does one get rid of fishy behavior in Windows?

    - by Tom Wijsman
    After I had boot my computer this morning there suddenly flooded water from the top of the screen, after which some fishes dropped into it. Now I can barely see what I am doing because the water distorts the view. Sometimes the fish follow the cursor so I need to move it away or wait for the fish to mind their own business. This makes it very annoying to use my system. What have I tried? Reboot the system. This caused the water to deplete from the desktop. Upon reboot, the screen was refilled with water and fishes. Attach another monitor. Same problem, fills that monitor as well and gives me extra fish. Clicking the fish. Makes them turn direction. Right clicking the fish. Changes color of the fish, not really useful. I'm locked out of changing the background or screen saver settings. Hence, I had to post the lady below... Safe mode doesn't save me from the fishes. It does give me another background there, but I can't screenshot easily. Other user accounts experience this as well. The Guest account seems to experience more fish than the other accounts. Using HijackThis, OTL Timekeeper List, Syninternal Autoruns, RootKitRevealer, ShellExView and similar tools I can't seem to find any entries that could be it, the Sysinternals tools show everything as verified. I'm suspecting this to be a driver problem. Randomly removing drivers doesn't seem to alleviate the problem. When removing the Graphics Drivers, it makes my screen black. While that could be considered the solution, it's not what I want. Changing the time / date settings does also not seem to affect the fishes. Changing the time a few years in the future, I would have expected the fishes to be dead. But, the same fishes are still there... They simply won't die! Tried to get used to them. They are really bothering me, looks like they require food. I don't know how to give them food, but apparently they get it elsewhere during reboot... Tried to disable my mouse pointer and use the keyboard. This works, they now swim around more randomly. They do put their attention to huge changes on the screen, so I need to type slow. Or otherwise I can't see what I'm tying exactly. Hold my laptop upside down. This seems to affect the water and fishes, but the water stays in the screen. They seem super resistant against water sickness and confusion though... What does the problem look like? What do I need? A way to get rid of these fishes on my screen forever, they are really annoying me a lot and I'm about to crack the screen to see if that makes them escape. Do you have any idea why this problem is occurring? What are my considerations? Buying an USB fish tank could make the fish leave the screen, I am uncertain though whether the fish could leave the screen through the USB cable. Using the FISh (programming language) which seems to provide EXPRESSIVE POWER and EFFICIENT EXECUTION, I can however not find any examples on how to remove fish. What are my Specifications? I'm using a Sony Vaio Fishy laptop. Sony VAIO VGN-Fishy, VAIO. Processor: 1337 MHz, Intel Core 2 Duo, T5432, 1 MB, Intel PM965 Express, 667 MHz. Memory: 1024 MB, DDR2-SDRAM, 667 MHz, 2 x 1024 MB, 4 GB. Disk Drive: 50 GB, Serial ATA, 5400 RPM. Storage Media: Memory Stick™, Memory Stick PRO™. Display: 15.4 ", 1280 x 800 pixels, LCD. Video: GeForce 8400M GT, 128 MB. Optical Drive: DVD±R/RW DL, 24 x, 24 x, 24 x, 6 x, 4 x, 6 x, 4 x, 5 x, 5 x, 8 x, 8 x, 8 x, 8 x, 6 x, 6 x, 24 x, 24 x, 24 x, 16 x. Camera: 1.3 MP, 30 fps. Networking: 2.0+EDR. Keyboard: Touchpad, AZERTY. Operating System/Software: Windows Vista Home Premium. Security: Kensington. Weight & Dimensions: 98.8 oz (2800 g), 14 " (355.8 mm), 10 " (254.4 mm), 0.98 " (24.9 mm). Other features: 100 BASE-TX/10 BASE-T, 802.11a/b/g/n/Draft n, V92/V.90, fishes. Plz! Help me...

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  • Anyone know of a good way to sell used servers?

    - by RandyMorris
    We have a couple of servers we no longer need now that we are fully hosted on a managed host (rackspace). They were purchased for over $10,000 each but we realize that over time their monetary value drops. Anyone have suggestions or experience selling these in a proper way? They are dual xeon processor 2U rack mountable with 4+GB RAM, intel boards, 6x 72GB 15,000 RPM SCSI Drives with raid controller redundant power supply. We are in Southern California area. I can be more specific on any information if there is interest. I know there is ebay and the like but these servers are like the family dog that has to be given up and we are looking for a proper home for a fair price. I will end up auctioning it off if need be in the end though. Thanks in advanced for any help!

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  • Nginx user subdomains, should I proxy_pass?

    - by Kevin L.
    I am trying to setup user subdomains, serving content from specific folders: www.example.com/username served from username.example.com (just like github pages). I've looked at Nginx rewrites, but I don't want the browser to redirect--I want the domain to be username.example.com. Anyway, a comment on this question says that I cannot rewrite host, only proxy to it. I tried to setup a proxy_pass, but all of the documentation and examples show it being used to (obviously) proxy to a service on another host or port, but in my case I want to just proxy to another location on the same host and port. Is this the appropriate way to tackle this problem, and if so, what is the right Nginx config syntax?

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  • Is 850W SMPS enough for the below Config?

    - by bali208
    We are planing to assemble a file server of the following configuration. 1) Intel S2400SC2 Motherboard. 2) Xeon 2407 Processor x 2 (Dual Processors) 3) 8gb x 8 ECC DDR3 RAM 4) One 2 TB Seagate HDD. 5) 8 cabinet fans fitted for NZXT Switch 810 Cabinet. Our question is is CoolerMaster 850 Watts power supply enough for our machine? Or we have to put 1050 Watts power Supply? Please suggest the best Brand and Wattage of SMPS we have to buy for our system. Thank you.

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  • How do I know which hardware components are compatible when building a computer?

    - by darkie15
    I am trying to setup my own new computer. I haven't done this before and hence needed guidance from all here. I can google out the results for steps to follow for setting up my machine, but I do not understand what components are compatible with each other? For example there must be specific models of motherboard that are compatible with Intel Core i5-2500K Sandy Bridge 3.3GHz. In general, if there is a website that can guide me on all compatible components, that would be great. If not, how would I be able to check compatibility?

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  • Cannot find my hard disk while installing linux-“No root file system defined” error

    - by Syam Kumar S
    I am trying install Linux on my computer (tried Ubuntu 10.4 and Linux Mint 9). I started the installation wizard and on the hard disk selection page the hard disk is not displayed. I have a 500GB disk with 5 partitions and windows 7 ultimate in one partition. If I click the forward button, it shows an error- "No root file system defined". I have tried to install by booting from CD and pendrive but both shows the same error. When I load Linux as live CD it doesn't show the hard disk. My hard disk works fine in windows 7. System config: intel i3 2100, 500GB hdd, 2GB ram

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  • httpd.conf variables : What is the difference between ${var} and %{var}?

    - by 108.im
    What is the difference between ${var} and %{var} in httpd.conf? How and when would one use ${} and %{}? http://httpd.apache.org/docs/2.4/configuring.html mentions : The values of variables defined with the Define of or shell environment variables can be used in configuration file lines using the syntax ${VAR}. http://httpd.apache.org/docs/2.4/mod/mod_rewrite.html mentions: Server-Variables:These are variables of the form %{ NAME_OF_VARIABLE } and RewriteMap expansions:These are expansions of the form ${mapname:key|default}. Will ${VAR} be used everywhere in httpd.conf, except in mod_rewrite directive's (like RewriteCond, RewriteRule but except for RewriteMap expansions which use ${} as in RewriteRule ^/ex/(.*) ${examplemap:$1} ) Would a variable set in httpd.conf using SetEnvIf Directive, for use in same httpd.conf, be used as ${var} except when the variable is used with mod_rewrite directive's, where the variable would be used as %{var}?

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  • Best way to backup and restore millions of files

    - by bongo
    Hi, I'm facing a rebuilding of the volume on which I host the mail storage (kerio mailserver, which uses maildirs). I need to backup and restore as quick as possible the 3.5+ millions (for about 600GB) small files of the store directory. It takes more than 12 hours via rsync to a NFS share, but I also have a 1TB firewire 800 raid1 disk that I can use (from some preliminary tests it's faster). I'm working off a XServe intel. What is the fastest way to do it? Rsync? Finder copy? tar?

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  • "No bootable device - insert boot disk" after restart on Ubuntu 10.04 b1 update

    - by anjanesh
    I was making an update on my Ubuntu 10.04 beta1 64-bit PC when, after reboot I get PXE-E61: Mediaa test failure, check cable PXE-M0F: Exiting Intel Boot Agent. No bootable device - insert boot disk and press any key How did my boot record disappear ? BIOS Boot Boot Menu Type : Normal Boot Device Priority : <CD/DVD-ROM Drive> <Hard Disk Drive> <Floppy Drive> <Ethernet> Hard Driver Order : No Hard Disk Drive CD/DVD ROM Drive Order : <PT-TSSTcorp CDDV> Removable Drive Order : No Removable Drive Boot to Optical Devices : <Enable> Boot to Removable Devices : <Enable> Boot to Network : <Enable> USB Boot : <Enable>

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  • Attempting to migrate to Aptana from Dreamweaver - how to?

    - by Kerry
    I have been using Dreamweaver for years, and have used Dreamweaver MX, Dreamweaver MX 2004, Dreamweaver 8 & Dreamweaver CS4. They all carry a common theme and were relatively easy to migrate to each other. I use, however, very few features of dreamweaver. Specifically: Syntax highlighting Telesense FTP management/site management The search/replace The idea I get from Aptana is its much more geared toward the web development/programmer side of things, have better visualizations of classes, etc., and handle everything else just as well. The problem is it is not at all clear to me. I managed to start a new project, but it didn't associate it with an FTP. So, I created an FTP, and it looks like I can have many FTPs for one project. My question then is, is there a tutorial or guide to migrating to Aptana from a Dreamweavor's perspective?

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  • PSU Suggestions for SLI EVGA GTX 680 + i7

    - by JMH
    So i am putting together a new machine and am trying to determine the best PSU to go with for this setup. Here is the build i am thinking about Processor Intel Core i7-3770K Ivy Bridge 3.5GHz Motherboard ASRock Z77 Professional Graphics Card (2 SLI) EVGA 02G-P4-2680-KR Sound Card HT | OMEGA eClaro 7.1 Fan/Heat Sync ZALMAN CNPS9500A-LED Case COOLER MASTER HAF X RC-942-KKN1 RAM G.SKILL Ripjaws X Series 32GB (4 x 8GB) SSD Of some Sort So my guess is that i need a 750 -1000W PSU, but which brand.... how much, etc --- really in the woods. Thanks -Josh

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  • Options for gaming remotely on a LAN?

    - by Schwern
    I have a Windows 7 desktop for gaming, a big bulky tower with a nice graphics card. I'd like to sit out on my porch rather than inside while the weather is nice and play games. I have a high end Macbook Pro. What are my options? I figure either remote desktop over the LAN on the Macbook or maybe wireless video, keyboard and mouse. Something so I don't have to physically move the PC. The sort of games range from things like Skyrim to SW:TOR to Torchlight 2. What are my options? They have to do a better than running Boot Camp on the Macbook (MacBookPro8,1 i7 2.7 Ghz but Intel Graphics 3000). I realize there's a lot of issues involved in running a game over a remote desktop with a decent frame rate, I'm interested in a practical answer with real experience behind them. Ideally something that works on a OS X so I don't have to reboot into Windows.

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  • Cache Busting and Include Files for Nginx

    - by Vince Kronlein
    In Apache you can use the following to cache bust css and js files and server them as a single file with Apache's Include mod: <FilesMatch "\.combined\.js$"> Options +Includes AddOutputFilterByType INCLUDES application/javascript application/json SetOutputFilter INCLUDES </FilesMatch> <FilesMatch "\.combined\.css$"> Options +Includes AddOutputFilterByType INCLUDES text/css SetOutputFilter INCLUDES </FilesMatch> <IfModule mod_rewrite.c> RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.+)\.(\d+)\.(js|css|png|jpg|gif)$ $1.$3 [L] </IfModule> I know this is possible with nginx but I can't seem to get the syntax correct. -- EDIT -- Adding some code The only piece I have thus far is: location ~* (.+)\.(?:\d+)\.(js|css)$ { ssi on; try_files $uri $1.$2; } What I'm looking for is to be able to combine all js and css files into single files using the combined keyword with a number for cache busting: style.combined.100.css javascript.combined.100.js

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  • Xcopy /exclude does not exclude some of the specified criteria

    - by Richard Z.
    Good afternoon. I want xcopy to copy all files meeting a certain criteria located in the C drive to a specific folder, except ones located in the directories specified in excl.txt. The exclusions only work partially - the files located in %systemroot%, %programfiles% and in each profile's appdata are still copied, even though those directories are listed in excl.txt. How do I make xcopy skip those directories, preferentially still using environment vars to specify the paths? My current syntax is: xcopy /s /c /d /h /i /r /y /g /f /EXCLUDE:excl.txt %systemdrive%\*.doc f:\test\ excl.txt currently contains the following: \%temp%\ \%userprofile%\appdata \%programfiles%\ \%programfiles(x86)%\ \%systemroot%\ \%programdata%\ appdata windows %programfiles% Thank you very much.

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  • taskmgr.exe 100% CPU Usage

    - by Burnsys
    Hi. I have 2 IBM servers Intel Xeon Dual core with 2gb RAM. the problem is that Taskmanager uses one full core when i open it. The same happens when i copy files in the explorer. OS: Windows 2003 Server Things i tried: Installed all updates They has kaspersky anti virus and they previously had Nod32. All drivers installed OK. All unused devices are disabled in the bios. Reinstalled win 2003 SP2. No conflict in drivers Tried opening via remote desktop and the problem continues. The cpu utilization is in the Kernel Times (Red in taskmanager) If i open Proces Explorer and i navigate to the threads consuming CPU the stack traces ends always in "NtkrnlPA!UnexpectedInterrupt", all threads stacks end in "UnexpectedInterrupt" ntoskrnl.exe!KiUnexpectedInterrupt+0x48 ntoskrnl.exe!KeWaitForMutexObject+0x20e ntoskrnl.exe!CcSetReadAheadGranularity+0x1ff9 ntoskrnl.exe!IoAllocateIrp+0x3fd ntoskrnl.exe!KeWaitForMutexObject+0x20e ntoskrnl.exe!NtWaitForSingleObject+0x94 ntoskrnl.exe!DbgBreakPointWithStatus+0xe05 ntdll.dll!KiFastSystemCallRet kernel32.dll!WaitForSingleObject+0x12 taskmgr.exe+0xeef6 kernel32.dll!GetModuleHandleA+0xdf Any help would be appreciated!

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  • How to compare speed of graphics cards in Windows desktop environment?

    - by Al Kepp
    I use Windows 7 and Intel Core i3 CPU with integrated graphics. My problem is that it eats valuable system RAM for display. I can replace it with an old PCIe Radeon X700, so all system RAM will be usable for applications. The question is if an old Radeon X700 is comparable in W7 desktop speed to a new integrated i3 graphics. Are there any test programs which compare the speed of graphic cards in Windows 7 desktop environment (i.e. no Direct3D games, just Windows desktop)? (According to Tomshardware, Radeon X700 is probably even faster than Core i3 in 3D. But there are no native WDDM 1.1 W7 drivers for X700, only WDDM 1.0 Vista drivers are available.)

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  • HTTP/1.1 Status Codes 400 and 417, cannot choose which

    - by TheDeadLike
    I have been referred to here that it might be of better help, I've got a processing file which handles the user sent data, before that, however, it compares the input from client to the expected values to ensure no client-side data change. I can say I don't know lot about HTTP status codes, but I have made up some research on it, and to choose which one is the best for unexpected input handling. So I came up with: 400 Bad Request: The request cannot be fulfilled due to bad syntax 417 Expectation Failed: The server cannot meet the requirements of the Expect request-header field Now, I cannot be really sure which one to use, I have seen 400 Bad Request being used alot, however, whatI get from explanation is that the error is due to an unexistent request rather than an illegal input. On the other side 417 Expectation Failed seems to just fit for my use, however, I have never seen or experimented this header status before. I need your experience and opinions, thanks alot! For a full detailed with form/process page drafts, and my experiments, follow this link.

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  • Boot Vista x64 with both ICH8 and ICH10 AHCI support

    - by adurity
    I have a situation where I need to boot Windows Vista 64-bit from both a ICH10 and ICH8 AHCI SATA controller. Currently, it is setup to boot from the ICH10, but when I try booting with the ICH8, I get the famed Windows STOP 7B BSOD. How can I add the ICH8 driver so that I can work around this BSOD and boot the system? I have updated to the latest Intel AHCI driver (8.9.0.1023 as of this post) which is supposed to support both chipsets, but I feel I am missing something.

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  • GIMP Slow Startup

    - by muntoo
    Is there any way to speed up GIMP's startup time on Windows Vista Home Premium 32-Bit 1.6 [Dual] Intel Processors? On XP [different computer], it loads in less than 3 seconds. On Vista, it takes 20 seconds: 2 Seconds (other - fonts, brushes, etc) 18 Seconds (extension-script-fu) It just freezes at extension-script-fu. Looking at ProcessExplorer (or Task Manager, whatever), I see that it's not taking any CPU. EDIT: it does seem to be taking 50% of the CPU. It gets stuck for about 18 seconds, then starts working again, and the actual GIMP program pops up [...finally]. I have the latest stable version running (I think). I tried it with XP SP2 Compatibiliy mode and/or Run As Administrator, but that didn't help. EDIT: One way would be to disable script-fu. Does anyone know how to disable it at startup? (NOTE: Just wanted to point out that the title and the tags are the same. :D )

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