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• What are the "software" requirements for a 3D video?

  - by Diogo Rocha

  Today, looking for the technical explanations about MPEG4, I saw that it can implement the VRML rendering for a 3D video. This makes me wondering about the "software" requirements to make or to see a 3D video. I mean, assuming that I have all the "hardware" requirements(3D monitor, VGA, 3D-camera, etc), what should I need to make and see 3D videos looking over the "software" side? Must I need to make it on MPEG4 instead MPEG1 or MPEG2 because of the VRML support? May I need a specifc 3D codec to open and see 3D videos?? Until today, I believed that a 3D video was just a regular/ordinary video composed of 2 "overlapping layers". PS: This is the first time I'm researching about technical explanations/references about MPEG standards and 3D videos, any help or basic explanations will help.

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• Why class 'SQLiteDatabase' is not found in /var/www/*.php?

  - by Roman

  I am trying to use sqlite from PHP. I have the following simple code: <?php $db = new SQLiteDatabase("test2.sdb"); unset($db); ?> As the result of this code (which I execute in the command line "php test2.php") I get: Fatal error: Class 'SQLiteDatabase' not found in /var/www/test2.php on line 3 Does anybody know how can I make PHP able to use sqlite? P.S. Here I found out that "SQLite support is enabled by default on a standard Linux PHP compilation starting with PHP 5.0." And I have "PHP Version = 5.2.6-2ubuntu4.6". So, sqlite should be enabled unless the "--disable-sqlite". In my case output of "phpinfo();" does not contain "sqlite" at all.

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• How to back up server with rsync, preserving ownership/permissions without root login

  - by olilarkin

  I am setting up a backup server on which I want to run rsync over ssh to backup content on other servers every night. I would like to set up ssh keys to make it password-less, but I want to preserve ownership of files and permissions. There are a number of users on the server to be backed up which won't all exist on the backup server. What would be the best way to do this? I guess the backup job will need to connect as root to , but I don't want to enable root ssh access on the servers. thanks for any tips, oli ps, all servers are running UBUNTU Server 12.04 LTS and are behind a university firewall.

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• GTA 4 crashes (WIN7 64-bit)

  - by Damian

  Hi! I got those two errors when I'm trying to run GTA4: Opis: Critical runtime problem Podpis problemu: Nazwa zdarzenia problemu: APPLICATION CRASH System RAM: -1 Available RAM: -532590592 Number of CPUs: 4 Video Card Manufacturer: NVIDIA Video Card Description: NVIDIA GeForce 9800 GT Video Card Driver Version: 8.17.0012.5919 Wersja systemu operacyjnego: 6.1.7600.2.0.0.256.1 Identyfikator ustawien regionalnych: 1045 And the second error: Podpis problemu: Nazwa zdarzenia problemu: BEX Nazwa aplikacji: GTAIV.exe Wersja aplikacji: 1.0.7.0 Sygnatura czasowa aplikacji: 4bd9efbe Nazwa modulu z bledem: StackHash_fea7 Wersja modulu z bledem: 0.0.0.0 Sygnatura czasowa modulu z bledem: 00000000 Przesuniecie wyjatku: 0000b513 Kod wyjatku: c0000005 Dane wyjatku: 00000008 Wersja systemu operacyjnego: 6.1.7600.2.0.0.256.1 Identyfikator ustawien regionalnych: 1045 Dodatkowe informacje 1: fea7 Dodatkowe informacje 2: fea78afc140967119290cc27385e0510 Dodatkowe informacje 3: 20ce Dodatkowe informacje 4: 20ce3e492a2aa7e5b8cfe9b7b1f05b42 My PC spec: Proc: Intel i5 (4x2,66ghz) ;RAM: 8GB DDR3 1066mhz ;Graphics: ASUS EN9800GT/DI/1GD3 ;OS: WINDOWS 7 64-bit I think it should work well on my PC, I couldn't find the solution to get it working so I hope You can help me. P.S. Sorry for my English - I'm from Poland.

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• DPMS, keep screen off when lid shut

  - by Evan Teran

  I have a laptop running linux. In my xorg configuration, I have DPMS setup so that the screen automatically turns off during several events. In addition to that I have to the following script tied to ACPI lid open/close events: #!/bin/sh for i in $(pidof X); do CMD=$(ps --no-heading $i) XAUTH="$(echo $CMD | sed -n 's/.*-auth \(.*\)/\1/p')" DISPLAY="$(echo $CMD | sed -n 's/.* \(:[0-9]\) .*/\1/p')" # turn the display off or back on export XAUTHORITY=$XAUTH /usr/bin/xset -display $DISPLAY dpms force $1 done Basically, this script takes one parameter ("on" or "off") then iterates through all of my running X sessions and either turns on or turns off the monitor. Here's my issue. When I close the lid of the laptop, the screen goes off as expected, but if a mouse event occurs (like if something bumps into the table...) then the screen turns back on even though it is closed (I can see the light through the side of the laptop). Is there a way to prevent the screen from turning on during a mouse event if the lid is closed?

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• IIS 6.0 FTP Folder Permissions

  - by Beuy

  I have a IIS Ftp website setup like so \ftp\users\domain\public\public Software that runs on clients computers logs into the FTP by specifying domain\public and moving to public, it then uploads or downloads files / folders into that area. I wan't to restrict the permissions on \ftp\users\domain\public so that nothing / noone can write files or folders here, only to \ftp\users\domain\public\public. I setup the NTFS permissions of the folder to remove domain\users, public and server\users to not have modify right, yet I can still upload / modify files. I have disabled inheritance from the parent folder of \ftp\users\domain\public as well. Any ideas on what I'm missing here? P.S I know this is a stupid setup and makes no sense, it's some bizarre legacy application that I need to migrate to a safer environment until it can be replaced, then I'm going to light it on fire -.- and dance around it.

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• What are the minimum hardware requirements for the latest version of Android Jelly Bean OS?

  - by Stom

  I searched around, and there's no information that points exactly to the suggested, minimum, or otherwise dated information containing specifications on this. I want to install a newer version of Android on an older ZTE-X500 MetroPCS smartphone. However, I'd like to know the backwards compatibility in regards to using a newer featured OS with lackluster, limited hardware compared to today's smartphones, such as Galaxy S4. However, I still wish to do this. If Jelly Bean is too demanding, I will set up Honeycomb, or get a modified Honey Comb ROM, or tweak the source to my preferences. However, nothing outlines the specifics of the "system requirements" it suggests for optimum performance, such as RAM, processor speed, processor features, and/or any other features, like DMA, video circuit advancements, and/or sound and special hardware requirements noted as well. Please, if you will, point me to a source that mentions this, and please tell do not link me to any PDF file formats. Thank you. PS: I'm a computer programmer.

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• Deploy binary hex registry via GPO or PowerShell

  - by Prashanth Sundaram

  I am trying to deploy a custom registry entry which I exported from a test machine. It looks like below. I came across THIS similar request on another site, but I couldn't make it to work. "TextFontSimple"=hex:3c,00,00,00,1f,00,00,f8,00,00,00,40,dc,00,00,00,00,00,00,\ 00,00,00,00,ff,00,31,43,6f,75,72,69,65,72,20,4e,65,77,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 As per the other solution, my PS command below, throws error."A parameter cannot be found that matches parameter name" Set-ItemProperty -Path "HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\MailSettings" -Name "TextFontSimple" -PropertyType Binary -Value ([byte[]] (0x3c,0x00,0x00,0x00,0x1f....0x00)) Any ideas? ====EDIT===== The key & value already exists. When I use Get-ItemProperty PSPath : Microsoft.PowerShell.Core\Registry::HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\MailSettings PSParentPath : Microsoft.PowerShell.Core\Registry::HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common PSChildName : MailSettings PSProvider : Microsoft.PowerShell.Core\Registry TextFontSimple : {60, 0, 0, 0...}

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• How to calculate power/energy taken by computer and screen

  - by r0ca

  I need to investigate how much power my linux machine uses per week. I can take a look at the PSU but I would like to know how to calculate the average use of power it takes. I also need to know how much power a CRT screen use per week. Do I need to check the PSU Watt unit and Screen Watt usage and just add both to have the results? P.S. My english is not good, sorry about that! P.P.S. My question is not related to: http://superuser.com/questions/9946/how-to-choose-a-ups-calculate-power-for-a-new-pc

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• Database OR Array

  - by rezoner

  What is the exact point of using external database system if I have simple relations (95% querries are dependant on ID). I am storing users and their stats. Why would I use external database if I can have neat constructions like: db.users[32] = something Array of 500K users is not that big effort for RAM Pros are: no problematic asynchronity (instant results) easy export/import dealing with database like with a native object LITERALLY ps. and considerations: Would it be faster or slower to do collection[3] than db.query("select ... I am going to store it as a file/s There is only ONE application/process accessing this data, and the code is executed line by line - please don't elaborate about locking. Please don't answer with database propositions but why to use external DB over native array/object - I have experience in a few databases - that's not the case. What I am building is a client/gateway/server(s) game. Gateway deals with all users data, processing, authenticating, writing statistics e.t.c No other part of software needs to access directly to this data/database.

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• Ubuntu 9.0.4 Presario S4000NX Fan Speed

  - by Chris C

  I recently install Ubuntu 9.0.4 on a Presario S4000NX and the CPU fan speed is kept at max. With Windows XP installed the fan speed would increase/decrease as required. I've tried to install lm-sensors and run the sensors-detect. It recommended that I load the modules which I did: smsc47m192 i2c-i801 When running sensor-detect it gave me this strange message: Trying family SMSC Found SMSC LPC47M15x/192/997 Super IO Fan Sensors (but not activated) Running the sensors command gives me a list of voltages and CPU and temperature but doesn't list any fans. After doing some Internet research I then tried to load the smsc47m1 module but I get the following error: FATAL: Error inserting smsc47m1 (/lib/modules/2.6.28-15-generic/kernel/drivers/hwmon/smsc47m1.ko): no such device The file smsc47m1.ko does exist in the listed folder. Any suggestions for getting the fan speed (and the noise) down in Ubuntu? Thanx. - Chris P.S. - I would have put better tags but Server Fault wouldn't let me.

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• X-FI optical output not being recognized.

  - by Luciano

  Hello there! I have an issue and I don't know what to do! I have a SoundBlaster X-FI Xtreme Gamer, which has a spdif mini-optical output. I have it connected to a home theater, via a toslink cable and an adapter to fit in the mini plug. It used to work perfectly, but now it doesn't anymore. There is light travelling through the cable, but the HT doesn't pick up the signal. The sound card of the motherboard also has an optical output (regular, not mini) and it works ok, so the cable and the HT are fine, I think. What else should I try? Thanks, Luciano. PS: I only enabled the onboard card for testing, but usually it's disabled to avoid any kind of conflicts. PPS: I'm using Windows 7 64bit with latest drivers of everything, but like I said. It used to work.

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• Slow internet using Arch Linux

  - by GZaidman

  after a week or so of using Arch Linux I cant access the internet - it takes around 5 mins to load google (most of the other websites just give me a timeout), pacman's downloading speed range between 5-2Kbs, and pinging google takes around 9Kms. I'm connected using wireless network (wifi card is Intel Ultimate 6300 and router is Edimax 6524n). Every other Windows machine that's connected to the network (and even the T410 running Windows) is fine, so the problem lies in Linux. So far, i checked the resolv.conf file (my router ip address is listed), and the hosts file (pretty much default), and I disabled the ipv6 module. None of that helped. PS: i'm using NetworkManager (but the problem still occurs when connecting using wicd) running on Gnome3. Thanks in advance for any help you can provide! EDIT: something really strange happens whenever I ping google: i get an unknown host 'google.com', but the bit rate from the card jumps at the exact second I ping google (so far, the bit rate jumped to 54Mb/s from 1Mb/s over the course of 4 pings).

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• Powershell and long-running external tools?

  - by leeand00

  I'm trying to compact a MS-Access database using JetComp.exe using a powershell script. Here is the operative lines: # 4. Run JetComp LogWrite("Begin: Running JetComp") .\JETCOMP.EXE -src: $srcDB -dest: $dstDB | Out-Null #Run this command and wait for it to finish... IfErrorExit("Error Compacting Database") LogWrite("End: Running JetComp") The JETCOMP.EXE program seems to complete long before it is actually finished and the $dstDB ends up being smaller than the compact should even make it. Initially ($srcDB) it's about 1.8 GB and by the time the command finishes it's about 300,000 kb (about 0.29 gb) that's a pretty long way off from 1.8 gb which when compacted manually ends up being about 1.6 gb. Is there some sort of timeout I don't know about in powershell scripts? P.S. I know that when running JETCOMP.EXE manually, that the system often detects it as "not responding" even though it's actually getting the job done, and waiting long enough will allow it to complete.

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• Windows shared printers: Process job on server machine, not the client

  - by asr

  Hi. While working with Linux clients to Windows SMB/CIFS filesharing servers, from time to time I find myself having to print to a printer with no drivers available under Linux. For some reason, the Windows computer expects the job to be sent in an already processed format, so it can be fed directly to the printer in its own, weird language. It would be great if I could send the print job in Postscript or other standard format to the Windows computer sharing this printer, and then this PS could be processed under Windows. Is there a way to accomplish this? Because I don't seem to find the option. Thanks a lot.

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• Python server does not excecute PHP script: permission denied

  - by krisvandenbergh

  I am trying to execute a PHP file through a Python server. However, I get the following error: File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/CGIHTTPServer.py", line 255, in run_cgi os.execve(scriptfile, args, os.environ) OSError: [Errno 13] Permission denied The python server is running though. What have I done so far? Chmod'ed recursively all directories to (chmod -R a+x) (I know this is not secure but its just for testing purposes) for both Python installation directories and my scripts. Tried to find out if python server is running as root through ps aux grep py I am out of ideas. What could be going wrong else? Thanks for the feedback.

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• Is ServerManager module available on Windows 7?

  - by ruslan

  Is ServerManager module available on Windows 7 Ultimate ? I think (but I'm not sure because I never looked at output before) the PS script that I have worked before but after some problems with IIS7 installation it stopped working. Following script import-module servermanager fails with error Import-Module : The specified module 'servermanager' was not loaded because no valid module file was found in any module directory. At line:1 char:14 + import-module <<<< servermanager + CategoryInfo : ResourceUnavailable: (servermanager:String) [Import-Module], FileNotFoundException + FullyQualifiedErrorId : Modules_ModuleNotFound,Microsoft.PowerShell.Commands.ImportModuleCommand I found recommendation to run Dism.exe /Online /Enable-Feature /FeatureName:ServerManager-PSH-Cmdlets on my machine but it also fails with error Feature name ServerManager-PSH-Cmdlets is unknown.

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• AWS:EC2:: Why my web folder is called "html"??

  - by heathub

  P.S Q stands for Question. My environment is: Amazon linux 64 bit (Q1. i dont if its ubuntu or red-hat, is there any way to check?) And I need to run php and mysql, thus I installed httpd (Q2. is httpd == apache??), but on my default page, it says: please upload files to /var/www/html folder. Q3.This is the first time I set aws ec2 server myself, my previous experience is hosting with hosting company. Normally in hosting company, my web directory is called "www" or "public_html" or "htdocs".Why is my folder name is "/var/www/html"? Am I installed wrong apache?

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• Are there any home/soho NAS devices that will backup/sync to the cloud?

  - by 3rdparty

  Looking for a home office (SOHO) market (priced) network hard drive (NAS) that will sync some or all of its content to a cloud-based backup service. The only option I've been able to find so far is NetGear's [ReadyNAS Vault][1] however from what I've read it's not as secure as it could be, and the service is quite expensive ($200/yr for 50GB of cloud storage) - it's 'powered' by ElephantDrive Ideally would love to see something like Wuala integrated into a Lacie Network HDD - conveniently, I suspect this is in the works as Lacie recently acquired Wuala, however nothing has come of it yet. I know there are options to use rsync with a customizable NAS (such as the very versatile and hackable D-Link DNS-323, but the easier this is to setup and maintain, the better. Thanks! ps. I had many links posted within this question, but was limited to posting with only one due to anti-spam restrictions - gotta get my 'reputation' higher!

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• Down for everyone or just me?

  - by Click Ok

  When I try access a website, and it is down, I head to http://www.downforeveryoneorjustme.com, and test it. But lately, my home network PCs cannot access facebook.com, and I tried the that service and the answer was: It's just you. http://facebook.com is up. Ok, that got me. I tried several browsers and 3 PCs in my LAN and it don't works. I don't know how to troubleshoot this. What some step-by-step to troubleshoot that problem? Output from ping command: Disparando facebook.com [69.171.234.21] com 32 bytes de dados: Resposta de 69.171.234.21: bytes=32 tempo=256ms TTL=245 Resposta de 69.171.234.21: bytes=32 tempo=255ms TTL=246 Resposta de 69.171.234.21: bytes=32 tempo=251ms TTL=245 Resposta de 69.171.234.21: bytes=32 tempo=255ms TTL=246 PS.: I thank you for the nice help, but then I suppose that the first step of a step-by-step to troubleshoot is ping from command line?

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• How to install Microsoft Exchange 2007 as a member server

  - by O_O

  I am trying to install Microsoft Exchange 2007 to a Windows Server 2003 as a member server. I already have a Windows Server 2008 as my domain controller. I'm having a hard time figuring out what is needed to prepare the machine for Exchange 2007 installation. My specific question is: While following the procedures here in the TechNet Library , do I still need to go through with the section "How to Prepare Active Directory and Domains" and do the following commands if I am making it a member server and NOT a domain controller? ie.. setup /ps setup /p /on: setup /PrepareDomain: Thank you.

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• Synergy to share mouse only (not keyboard)

  - by Stan

  Synergy is very handy for single mouse/keyboard set sharing between multiple PCs. But I have a laptop (WinXP SP3) and a desktop (OS X Snow Leopard), a mouse, a keyboard which plugs to desktop. I don't need to share keyboard since each has one. Is there any way to share mouse only? Since if keyboard sharing enable might cause inconvenience. Thanks. PS. Another quick question is how to stop synergy daemon on Mac OS? synergys --help doesn't give any information.

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• Nginx static files exclude one or some file extensions

  - by Evgeniy

  I'm serving up a static site via nginx. location ~* \.(avi|bin|bmp|dmg|doc|docx|dpkg|exe|flv|gif|htm|html|ico|ics|img|jpeg|jpg|m2a|m2v|mov|mp3|mp4|mpeg|mpg|msi|pdf|pkg|png|ppt|pptx|ps|rar|rss|rtf|swf|tif|tiff|txt|wmv|xhtml|xls|xml|zip)$ { root /var/www/html1; access_log off; expires 1d; } And my goal is to exclude requests like http://connect1.webinar.ru/converter/task/. Full view is like http://mydomain.tld/converter/task/setComplete/fid/34330/fn/7c2cfed32ec2eef6788e728fa46f7a80.ppt.swf. Despite the fact these URLs ends in such a format they are not static, but fake script requests, so I have a problems with them. What is the best way to do this? How can I add an exclusion for this URL or maybe I can to exclude the specific file exptension (.ppt.swf, pptx.swf) from the list of this Nginx location? Thanks.

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• Asus P6X58D & 12GB of RAM

  - by Hunter

  I just assembled my new PC and it screams, BUT it's only recognizing 8GB of ram in BIOS and OS rather than the installed 12GB. In the BIOS the RAM was registering at 1066 so I set it to 1600MHz. I update the BIOS to the latest non-beta release. http://www.asus.com/product.aspx?P_ID=wurRaDZ8lo4Ckukj OS = Windows 7 Ultimate 64-bit Mobo = Asus P6X58D Premium CPU = Intel Core i7 920 RAM = CORSAIR XMS3 12GB (6 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 HDD = Intel 80GB SSD SATA II PS = Kingwin 1000W Modular I've installed the Beta BIOS 0808 but no luck!

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• Mount shared folder (vbox) as another user

  - by jlcd

  I'm trying to mount my vbox shared folder every time my ubuntu starts. So, I added an entry on /etc/init with this: description "mount vboxsf Desktop" start on startup task exec mount -t vboxsf Desktop /var/www/shared Seems to work, except by the fact that all the files are owned by "root", and I don't have permission to write on the folder (neither chmod nor chown seems to be working). So, how can I make all the files under this shared folder to be owned by www-data user/group? Thanks ps.: The main reason for me to have an automatic shared folder, is so I can create/edit files from the HOST on the GUEST www folder. If you have a better idea for that, instead of sharing the folder, fell free to say.

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