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• Sound plays on headphones and speakers with Lenovo ThinkPad L512 + Ubuntu 10

  - by Oscar Godson

  The only thing really missing from this install is this issue with the sound. I've searched all over the forums and i found one thing where you get the model and codecs and write them to a file, however, I can't seem to find what my "model" is because none of the postings have anything about Lenovo laptops. Here is the command they all asked for: Code: cat /proc/asound/card0/codec#* | grep Codec Codec: Realtek ALC269 Codec: Intel G45 DEVIBX With that info, how do I get the model, and how do I get my speakers to stop playing when headphones are plugged in. Also, I don't have any software installed like pulse audio either, so it's not that. Thanks so much to whoever can answer this... The Ubuntu forums are nearly useless... ive never gotten a correct answer back on that site.

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• Toolset agnostic build server and Silverlight projects

  - by Marko Apfel

  Problem Normally I try to have my continuous integration as most a possible toolset free to ensure that no local stuff could have an impact to my build. My Silverlight app references a special compile target in a folder outside my developer tree: <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" /> So I copied the stuff from this folder to a local one and changed the call to this target in my csproj: <Import Project="..\..\..\tools\WebApplications\Microsoft.WebApplication.targets" /> And now Visual Studio Conversion Wizard welcomes my with this: Solution Regardless of which line I write – this conversion comes back again and again, if the line has another form than <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" /> So it seems that there is no simple way to change this behaviour. Workaraound I must accept, that this line must be in the csproj and to run the build the toolset must be copied to the build server at the correct location. So go to your development machine where Visual Studio is installed and copy the folder “C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v10.0\WebApplications” to your build server at the equivalent location.   Xmas wishes to Microsoft: Please provide technologies to let us developers bundle all needed stuff for a project in one developer tree. It should be possible that one checkout starts us up! No additional installations regardless whether it is a developing machine or dedicated build or continuous integration server. Silverlight is only one example, code analysis configurations could also be terrible and much more …

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• mod_rewrite ssl redirect

  - by Thomas

  Hi all, I want to use mod_rewrite to ensure that certain pages are served with SSL and all others normally, but I am having trouble getting it to work This works (redirect to SSL when request uri is for users or cart) RewriteCond %{SERVER_PORT} 80 RewriteCond %{REQUEST_URI} users [OR] RewriteCond %{REQUEST_URI} cart RewriteRule ^(.*)$ https://secure.host.tld/$1 [R,L] So, to accomodate for a user not to keep browsing the site with ssl, when requesting other uris, I thought the below, but doesn't work: (when port is 443 and request uri is not one of uris that need to be served by ssl, redirect back to normal host) RewriteCond %{SERVER_PORT} 443 RewriteCond %{REQUEST_URI} !^/users [OR] RewriteCond %{REQUEST_URI} !group RewriteRule ^/?(users|groups)(.*)$ http://host.tld/$1 [R,L] Any help? Thanks

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• Web Content Filtering for Windows Clients

  - by djoyce

  I'm working with a small business to solve a bunch of problems. One is their Windows 7 POS registers need to have web access restricted to only three remote support sites, but the back office machine needs an unfiltered connection. I'd like something I can install and configure on the few registers to block all but those few sites. In a perfect world this would restrict the normal register user, but the admin user would not be filtered. Free is best, if it works, but a small fee would be alright too. Microsoft's Family Safety filter is close, but requires a Windows Live account, which isn't ideal, but may be alright. Anyone use this in a small business environment? I'd prefer something easily managed at the local machines. K9 Web Protection is interesting and I'm going to look into it more. Are there other options? Seems like someone would have made something simple like this as an open source project, but maybe not.

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• recovering raid 0 hard disk

  - by Hiawatha

  I bumped to a huge (for me) problem. I was running dual boot system (win 7 / linux) and at some point I decided to test fedora ( I am new in Linux ). My hard disk conf: 3 hard disks each 1 TB, 2 set to raid 0 with windows running on it and 1 for linux. After installing it from live usb I found out that windows 7 is not in grub anymore and while booting shows raid error. I installed back Ubuntu and ran Disk Utility and checked now I have one disks (raid 0) failed (READ) error. First has 5 bad sectors and second has 1 bad sector. And now I dont know what to do and how to repair. further I dont know which data i could provide to get help. I tried ntfsfix and got this output: Mounting volume... NTFS signature is missing. FAILED Attempting to correct errors... NTFS signature is missing. FAILED Failed to startup volume: Invalid argument NTFS signature is missing. Trying the alternate boot sector Unrecoverable error Volume is corrupt. You should run chkdsk. #sudo ntfs-3g -o force,rw /dev/sdb /media/windows NTFS signature is missing. Failed to mount '/dev/sdb': Invalid argument The device '/dev/sdb' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?

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• Is "send us a page with code" a typical interview requirement?

  - by acm

  Recently I was asked to show "a page with code" for a job interview. Being mainly a back-end programmer, and that's the position I applied for, I first said to the person I was talking to exactly that: PHP is executed at the server and therefore not visible by just giving a "page". However, following their desire, I sent links to the pages I've worked on before. Obviously they couldn't see anything except for the HTML, CSS, JS... They said it was not enough, they could not see the PHP. Understanding that they probably just wanted to know my skills and/or interest I sent them my Stack Overflow profile. Among all my questions and answers, most of them with code, certainly the PHP is there. But it seems this is not what they wanted. Well, I don't have any code put together that I can simply publish for someone to see. And I would never do it for the code I have deployed, obviously. So my question is/are: What does "send us a page with code" mean? What should I send? Is this a typical interview requirement?

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• Lenovo G500 Re-booting failed

  - by Sune

  I have a Lenovo G500. Yesterday it asked me to reboot the system. I did. Now it wont come back on. I have tried everything I read online like taking out the battery and holding the power button in for 20 seconds, then switching on the pc with only the ac adapter plugged in. I still only see the backlight of the pc, nothing else. I also tried to hold in the Fn key and tried all other F keys (F2, F12, etc.) I also pressed that little button next to the power button, but nothing is responding. Please help.

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• Upgrading RAM in HP Compaq d530

  - by Mike

  I want to upgrade my hp compaq d530 from 1.2GB to 4GB of RAM. I look at the specs: http://h18000.www1.hp.com/products/quickspecs/11632_ca/11632_ca.html and saw that I could get up to 4GB of RAM that is DDR, PC3200. So, I got 4GB of RAM. I ordered 4 of these http://www.ebay.com/itm/190398777195?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649. When I installed all 4 I get 5 beeps and 5 red blinks which I've concluded means I'm having a memory problem. When I switch back to 1.2 GB it works fine. I was wondering, am I doing something wrong?

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• Cannot umount device is busy

  - by user132199

  Situation I am running a RHEL server via a VM on my laptop. I have a win7 desktop sharing out a folder and the VM on my laptop running RHEL6 has a CIFS windows mount at \mnt\win When I go to unmount the device I get a device is busy message. So I went to my laptop and check to see if there were any users connected to the share, since it listed none I turned off sharing. I went back to my RHEL instance and attempted another umount \mnt\win but received the same error. Question What are other alternatives to unmounting a shared drive?

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• Radeon hd 5700 monitor blank until connected HDMI device is started

  - by kaido loor

  Have win7, radeon hd 5700. When both PC monitor and HDMI device (Onkyo 607) are connected to Radeon card, the monitor diplays boot info, "starting windows, etc" but goes blank when "log into windows" should appear. Monitor comes back (w normal screen) if Onkyo and TV are turned on, not before. Multiple monitors is disabled. Really crazy. Any help appreciated. Generally, Onkyo can pick up HDMI signal ok, so at least smth works as intended.

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• Mac OSX DHCP Stopped Working [on hold]

  - by Jesse James Richard

  Tethering a Raspberry PI to a MacBook (Mavericks) via ethernet is proving to be a real pain. This worked for about a day. My MacBook required a rare reboot and once it came back up the Pi won't get an address. I've confirmed it's not a problem with the Pi. It's a problem with the MacBook for sure. It's basically just stopped giving out IPs. I've read as much as I've found about how to fix this friggin' problem, but I've thus far come up blank. Internet sharing Wi-fi Ethernet enabled, and/or Edited /etc/bootpd.plist as described here (http://www.jacquesf.com/2011/04/mac-os-x-dhcp-server/ - this worked initially and now no longer does) Pi connected directly to the router has no problems. My MacBook DHCP server will no longer give out addresses. Any help would be much appreciated.

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• Startup script for Windows Recovery Environment?

  - by Recovery

  I'm trying to automate the Windows 7 Recovery Environment. I want the computer to be able to boot into the Recovery Environment, automatically run some commands, and then restart back into Windows. The reason for this is that I want to use the Recovery Environment to edit some system files that are not writable while Windows is running. (Of course, this could be done using GRUB and Linux, but it would be even better if one could use the built-in Windows Recovery Environment and avoid the need to install a separate bootloader and OS.) So far, I've found out how to tell Windows 7 to reboot into the recovery environment: reagentc /boottore shutdown /r /t 0 But once the Recovery Environment loads, it opens a dialog that requires user input to continue. Instead of that dialog, I would like to be able to specify a script to run instead. Any ideas on how to accomplish this would be appreciated. Thanks!

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• Any programs for getting rid of .DS_Store files? [closed]

  - by mcandre

  Possible Duplicate: How to prevent Mac OS X creating .DS_Store files on non Mac (HFS) Volumes? I dual boot between Mac and Windows. When I browse my Windows partition with Finder, it drops little .DS_Store turds all over the folders. They show up when I boot back into Windows. Right now I've got one on my Desktop, sigh. Are there any (free) programs I can use to stop this from happening? I know, I know, there's a Finder setting to stop dropping .DS_Store files on network drives, but my local Windows partition is NOT a network drive.

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• Windows backups to VM Esxi

  - by Martyn

  I'm very new to ESXi, so apologies if this is a silly question. I have ESXi 5.1 running running on HP Proliant Microserver with internal LUNs RAIDed with HP P410 Smart Array card. I have 2 Windows Server 2012 VMs running as Domain controllers. These are being backed-up up with GhettoVCB to a dedicated datastore hosted on LUNs on a eSata external device. I have several Windows 8 & 7 PC's connected to this domain. I want to back up these Windows PCs, via the built in backup software, ideally to the external eSata device as well. What do I need to do to have the Windows PC's see the datastore? I assume I could create a VM for FreeNas or something, or share out the datastore via one of the Windows Server 2012 VMs. Both those options seem a little bit of an over kill?

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• Software RAID underneath ESXi datastore

  - by carlpett

  I'm building an virtual environment for a small business. It is based around a single ESXi 5.1 host, which will host half a dozen or so VMs. I'm having some doubts regarding how to implement the storage though. I naturally want the datastore to be fault tolerant, but I can't get the funds for a separate storage machine, nor expensive hardware RAID solutions, so I would like to use some software RAID (lvm/mdadm, most likely). How can this be implemented? My only idea so far would be to create a VM which has the storage adapter as passthrough, puts some software RAID on top of the disks and then presents the resulting volumes "back" to the ESXi host which then creates a datastore from which other VMs get their storage presented. This does seem kind of round-about, do I have any better options? From my research, passthrough seems to come with quite a few drawbacks, such as no suspend/resume etc.

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• How can I restore GRUB without a live CD?

  - by Looterguf

  I realize that this is a duplicate of a question asked before, but in that question the asker managed to find his live CD and no real answer appeared, thus I am re-asking it. I managed to screw up my GRUB by deleting two linux partitions on my hard drive from windows. After this, GRUB gives the error "partition not found", and gives me the grub-rescue prompt. The only command I have found to work in this is 'ls', which spits out my partitions. I would use the live CD fix, but I am in India, and all my live CDs are back home in the US... What I've got is an internet connection, a 4GB flash drive with Flow OS installed (which I am currently using but can wipe if need be), and a working laptop that I can borrow. What should I do?

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• spurious hardware memory 'errors' on hp dl380 g5's being generated

  - by friedchicken

  Hi All, i've got 2 new HP dl380g5 servers running HP's esxi4 patched to 219382. they have both been patched up to the latest hp firmware levels (firmware cd 8.7) both are running 32gb (4 x 8gb sticks) both servers are showing the same symptoms - the memory lights come on for two (random) dimms on the front of the server and the health led turns red. sometimes the server stays up and running with no problems. othertimes the server locks dead and only a power reset can bring it back. there is nothing showing in the ilo logs and nothing within the vmware hardware monitoring. the memory has been replaced i've got other customers that have been running dl380g5's with out any issues on esx3.5 - this is our first vsphere deployment with them. these are meant to go live soon so any advice would be great. thanks in advance.

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• Renaming an Invalid Filename in NTFS

  - by Sadeq Dousti

  Recently, I loaned my flash disk to one of my friends, who had Mac OS. He copied a file on it, whose name included a backslash (\). The flash disk is NTFS formatted. Windows does not allow such filenames, and neither opens the file, nor deletes it, nor lets me delete the file. There are naive approaches to this problem, like: Formatting the flash disk; Giving it back to my friend and asking to rename it; Loading into some live Linux and renaming it. However, I'm looking for something more clever, like a program that can do the trick under Windows. PS: There's a tool called NTFSWalker which can browse the MFT records of the NTFS, but is unable to make any changes to them.

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• Super slow time machine backup on my mac

  - by lowellk

  I just got a new 2TB drive which I'm trying to use as a time machine drive for my mac which has a 1TB drive. On my first time trying to back it up, I'm getting terrible throughput, not even 1GB per day (it's been running for 36 hours now). I erased the disk and tried to copy a large file to it and got the same slow speed. What can I do to diagnose this? Are there any tools which can inspect the disk and tell me if it's messed up? Thanks!

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• Controlling TV Channel Through Computer

  - by killianmcc

  I'm passing my TV input through my computer so that I can use the video stream in an application I'm creating which then outputs to my TV. E.g. Sky Digibox/FreeView box - Laptop - TV Where on my laptop I'll be using the stream in a WPF application so I can overlay XAML objects onto it. My question is, what would be the best way for me to send the signal back to the box to say change the channel for example? I don't want to have to use the remote, I want the computer to handle everything. Is there a standard cable these boxes have that could take what would normally be a remote control signal and use that as input instead? Or would I have to go down the route of looking at some sort of Infared LED to send the signal recreating the remote? Apologies if this is not clear enough, let me know and I'll try and be more precise.

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• What's the best way to use requestAnimationFrame and fixed frame rates

  - by m90

  I recently got into using the HTML5-requestAnimationFrame-API a lot on animation-heavy websites, especially after seeing the Jank Busters talk. This seems to work pretty well and really improve performance in many cases. Yet one question still persists for me: When wanting to use an animation that is NOT entirely calculated (think spritesheets for example) you will have to aim for a fixed frame rate. Of course one could go back to use setInterval again, but maybe there are other ways to tackle this. The two ways I could think of using requestAnimationFrame with a fixed frame rate are: var fps = 25; //frames per second function animate(){ //actual drawing goes here setTimeout(function(){ requestAnimationFrame(animate); }, 1000 / fps) } animate(); or var fps = 25; //frames per second var lastExecution = new Date().getTime(); function animate(){ var now = new Date().getTime(); if ((now - lastExecution) > (1000 / fps)){ //do actual drawing lastExecution = new Date().getTime(); } requestAnimationFrame(animate); } animate(); Personally, I'd opt for the second option (the first one feels like cheating), yet it seems to be more buggy in certain situations. Is this approach really worth it (especially at low frame rates like 12.5)? Are there things to be improved? Is there another way to tackle this?

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• Encapsulating code in F# (Part 2)

  - by MarkPearl

  In part one of this series I showed an example of encapsulation within a local definition. This is useful to know so that you are aware of the scope of value holders etc. but what I am more interested in is encapsulation with regards to generating useful F# code libraries in .Net, this is done by using Namespaces and Modules. Lets have a look at some C# code first… using System; namespace EncapsulationNS { public class EncapsulationCLS { public static void TestMethod() { Console.WriteLine("Hello"); } } } Pretty simple stuff… now the F# equivalent…. namespace EncapsulationNS module EncapsulationMDL = let TestFunction = System.Console.WriteLine("Hello") ()   Even easier… lets look at some specifics about F# namespaces… Namespaces are open. meaning you can have multiple source files and assemblies can contribute to the same namespace. So, Namespaces are a great way to group modules together, so the question needs to be asked, what role do modules play. For me, the F# module is in many ways similar to the vb6 days of modules. In vb6 modules were separate files and simply allowed us to group certain methods together. I find it easier to visualize F# modules this way than to compare them to the C# classes. However that being said one is not restricted to one module per file – there is flexibility to have multiple modules in one code file however with my limited F# experience I would still recommend using the file as the standard level of separating modules as it is very easy to then find your way around a solution. An important note about interop with F# and other .Net languages. I wrote a blog post a while back about a very basic F# to C# interop. If I were to reference an F# library in a C# project (for instance ‘TestFunction’), in C# it would show this method as a static method call, meaning I would not have to instantiate an instance of the module.

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• How can I disrupt my roommate's BitTorrent?

  - by bob

  We're on a 50 mb/s Comcast connection and our connection right now is coming in under 1.5 mb/s. Our roommate left for a week with BitTorrent running (Azureus client, we think). Our latency is approaching 300 ms. His door is locked up tight, and both his machine and the router for the house are located inside. I've even flipped the power breaker in the house and that barely works for 2 minutes. His laptop keeps on running, and once the cable modem and router come back up and the machine reconnects, the torrents resume in earnest. I've been running nmap and identified his IP on our LAN. Is there anything I can do over the LAN to make his torrents start to fail or slow down?

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• nginx not returning 304 on cached content

  - by Don H

  I'm using nginx as a reverse proxy with an Apache back-end handling some PHP files. The files return the right expiry headers and proxy_cache does a good job of caching them, but I've noticed that the cached content returns a 200 on every refresh, when it might be more efficient to return a 304 on the cached files. The files in question are generated by PHP. The urls do not have .php in them as they've been prettified. Any idea why nginx might not be returning 304 on repeated visits to a cached PHP output? To clarify: It's using proxy_cache for caching dynamic PHP pages (not static html pages generated by PHP). I'm setting expires headers in the PHP file of time + 24 hours. With that in mind, I was hoping nginx would be able to then return 304s on its cached versions during that 24 hour window.

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• Netbeans automatically changes the file owner when updating files

  - by Alon_A

  We use Netbeans IDE 7.2 to edit our PHP files. In the Run Configuration it is configured as Remote Web Site to automatically save the changes on our web server (Centos OS 6.3). The problem is that every time it is updating the files the owner of the file is changed from apache:apache to userThatUploadedTheFile:users. This causes us problems with SOAP cache files that are configured with apache:apache ownership, and we need to manually chownit back to apache:apache. We've checked the "Preserve Remote File Permissions" checkbox, so the permissions are not changed, only the owner. Is there any solution to preserve the ownership ?

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