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MMS gets hostname from uname and can't connect to it

- by Adam Monsen

I'm trying to get 10gen's MongoDB Monitoring Service monitoring my 3-node replica set. The replica set running in an AWS VPC. Each node runs on a different [virtual] machine. Assume their IPs are 192.168.1.1 (primary or secondary), 192.168.1.2 (primary or secondary), 192.168.1.3 (arbiter). From a quick look at the source, MMS appears to get the hostname of the machine it is running on like so: platform.uname()[1] For my VPC EC2 instance, this returns something like ip-192-168-1-1 MMS then tries to connect to this hostname, which does not resolve. I'd rather just use IP addresses (since they're always static), but it seems like the hardcoded use of platform.uname()[1] in mmsAgent.py precludes that. So, what's an elegant way out of this? Hack /etc/hosts? I'm not setting up a DNS server just for this. Maybe I'm just misunderstanding how to configure MMS.

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Why is the size of windows off by 226x238 if defined via the Window Rules?

- by Bobby

I have installed Sawfish 1.8.2 from source on my new Ubuntu 12.04 installation following the Debian instructions, but I had this problem also with the stock 1.5.3. Whenever I define dimensions in the Window Rules for a window, the size is off by exactly 226x238 pixels, which means that 100x100 turns into 326x328. That's a very odd behavior, given that Sawfish is saving and loading the dimensions of the windows correctly (if saved via the window menu). Some additional system information: $ uname -a Linux Dagon 3.2.0-24-generic-pae #39-Ubuntu SMP Mon May 21 18:54:21 UTC 2012 i686 i686 i386 GNU/Linux $ sawfish --version sawfish version 1.8.2 nvidia proprietary driver, 9600GT Two monitors, 1920x1080 + 1440x900 in one session. Positionng the windows is working fine, only the dimensions are off by that odd number. Does somebody have an idea why?

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How to diagnose RAM?

- by x-man

I have a java process that is aborted after a while with SIGSEGV. It started to happen after I upgraded the server with more RAM. Having tested on different JVMs I suspect it might be a hardware problem. But no problem was detected by memtest86. So, what else can I do to detect the source of the problem is? Should I take the RAM modules one by one to detect the faulty module? The server is running on 64bit OpenSuse11.3. The memory is not an ECC one it seems. I have a kit of this (3*4GB * 2 = 24GB): http://www.kingston.com/datasheets/KHX1600C9S3K2_8GX.pdf

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erratic audio levels on windows vista

- by old retired dude

I'm somewhat hard of hearing. I've been listening to my windows Vista machine with a pair of headphones so I don't annoy the others. I have 2 issues: 1) the volume varies enormously depending on the source. Having a windows alert occur while I am listening to a DVD or Youtube is a painful experience. Is there a preferred way to set all the different audio controls so I have a more constant volume? I already have lowered the volumes of the windows alerts. 2)Is there a way to limit the volume of my headphones to protect what is left of my hearing? Is there a software solution or should I be going for a hardware limiter? thanks retired dude

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Intel hybrid graphics stuck in power save mode

- by OZZIE

I have an Asus UL30V with Intel hybrid graphics. When I bought it it used to switch to turn of the better graphics card to save power and run on a more power effecient one. When I connected the laptop to a power source again I could go to the intel graphics icon on the task bar and click on "switch to enhanced performance mode" or something similar. But like 2-3 months ago it suddenly vanished. I cannot switch modes anymore, it's gotten stuck in power save mode. I can change the windows power setting but that doesn't enable the better graphics card :( What should I do? I've tried restarting the computer and that does not work. I really hope I don't have to reinstall the drivers! It seems like other people have had the same issue: http://en.community.dell.com/support-forums/laptop/f/3518/p/19422695/19994601.aspx , he hasn't even got the same computer as me. I have windows 7 Home Premium x64 Any ideas?

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VBA - Instead of ActiveExplorer.Selection to set folder, explicitly set folder path

- by Mike

Sub MoveItems() Dim Messages As Selection Dim Msg As MailItem Dim NS As NameSpace Set NS = Application.GetNamespace("MAPI") Set Messages = ActiveExplorer.Selection If Messages.Count = 0 Then Exit Sub End If For Each Msg In Messages Msg.Move NS.Folders("Personal Folders").Folders("SavedMail") Next End Sub This code will move all email messages from the currently selected folder in outlook to another folder (SavedMail). I would like to edit the code so that instead of using the currently selected folder as the source for the messages, there would be a hard-coded folder - something like Set Messages = NS.Folders("Personal Folders").Folders("Moved"). I'm a VBA rookie and tried just replacing the Set Messages line with this which resulted in a Run-time error '13': Type mismatch which I think refers to a mismatch of the Dim Messages and the Set Messages commands. I've tried using different Dim definitions with no luck. I'm guessing that someone who knows VBA will see the way to do this right away. Any help would be greatly appreciated. Thanks.

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Should I use OpenGL or DX11 for my game?

- by Sundareswaran Senthilvel

I'm planning to write a game from scratch (a BIG Game, for commercial purpose). I'm aware that there are certain compute libraries like OpenCL, AMD APP SDK, C++ AMP as well as DirectCompute - both from MS (NOT interested in CUDA) are available in the market. I'm planning to write the game from the scratch, which includes the following engines... Physics Engine AI Engine Main Game Engine (... and if anything is missed). I'm aware that, there are some free physics engine libraries in the market. Not sure about free AI engine libraries. I'm bit confused in choosing between the OpenCL, AMD APP SDK, and C++ AMP libraries (as already mentioned i'm NOT interested in CUDA). I want my game to be published in Windows/Android/Mac OSX. It means it should be a cross-platform game. I will be having "one source code" that i'll compile for various platforms like Windows/Android/Mac OSX, and any others if i missed. Note: Since I'm NOT a Java guy, kindly do NOT suggest me the Java Language. For Graphics language should i use OpenGL or DirectX 11? I have heard that OpenGL runs on a single core, and not sure of DirectX 11. Between OpenGL and DirectX which one should i follow? or else, are there any other graphics language that i need to start with? I want to make use of the parallelism in GPU as well as CPU.

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Jet Brains release WebStorm 5.0

- by TATWORTH

At http://www.jetbrains.com/webstorm/whatsnew/index.html?WS50ROW, Jet Brains have announced the release of WebStorm 5.0, an IDE that brings the ease of code writing in VB.NET and C# that you get with ReSharper, to JavaScript, CSS and LESS. (There are some more details in http://blog.jetbrains.com/webide/2012/08/liveedit-plugin-features-in-detail/)Code completion in JavaScript, CSS and LESS is a very welcome feature. I look forward to trying out Web Storm. The download at http://www.jetbrains.com/webstorm/download/index.html comes with a free 30-day trial).Price information is at http://www.jetbrains.com/webstorm/buy/index.jsp - you should note that if you are an open-source developer, you can apply for a free license. The price of a personal license at £23 + VAT is a no-brainer. The price of a Commercial license would have been paid for in a few days of the increased productivity that this tool brings.Web Storm currently requires Google Chrome to run. Like ReSharper it appears to be a very able tool. It includes tools such as:XSLT debuggingJSLint for checking for JavaScript errorsJavaScript debuggingJavaScript unit testing (including code coverage)JavaScript folding regionsCoffeeScript supportWell I suggest that you try WebStorm 5.0

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My game seems to be incompatible with recording software. What could be causing this?

- by Lewis Wakeford

I've just finished a little Game-Dev project for university and I need to record a video to accompany my submission (just in case they can't get my source to work). Basically my game doesn't work at all when FRAPS or Bandicam attempts to attach to it, I get a black screen and a stream of GL INVALID OPERATION messages from my error reporting code. Dxtory can't seem to hook into it correctly at all, it doesn't display it's FPS counter or anything. My game logic appears to be running correctly from the debug traces, it just seems like all the gl library calls break. I don't know a huge amount about how these programs operate so I don't really know what I could be doing to cause this. I've heard they read from the OpenGL frame buffers so maybe I'm doing something wrong there? I'm letting GLFW and GLEW do all the low level initialization, but I have successfully recorded projects with the same setup and recording software. Essentially, has anyone ever run into something like this before or do you know anything about how these programs work that could give a clue as to the cause of the issue?

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Cannot install ia32-lib package

- by A British Person

I have several programs that reuquire 32 bit packages (pointing to the ia32-lib package). However, when I try to install it, this happens. spirit@ubuntu:~$ sudo apt-get install ia32-libs Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: ia32-libs : Depends: ia32-libs-multiarch but it is not installable E: Unable to correct problems, you have held broken packages. No big whoop, packages die all the time. I tried a month later however and I still got this error, trying to install the specific package produces this error. spirit@ubuntu:~$ sudo apt-get install ia32-libs-multiarch Reading package lists... Done Building dependency tree Reading state information... Done Package ia32-libs-multiarch is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'ia32-libs-multiarch' has no installation candidate I am no Linux whizz-kid, but this seems to be that the package doesn't exist. I searched for Skype in the software centre (I was told this installs the 32-bit packages) and it does not appear in the software centre, and the downloadable from their website produces an error about - funnily enough - no 32-bit packages. Anyone who helps me will get a medal from the gods with the weight of a thousand planets. Just don't wear it for god's sake.

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Why standard, virtual host Drupal 7 config causes 403 (Forbidden) in Apache2?

- by drupality

Virtual host declaration causing the problem (source): <VirtualHost *:80> ServerAdmin admin@d7 DocumentRoot /vagrant/d7 ServerName www.d7.local ServerAlias d7.local RewriteEngine On RewriteOptions inherit <Directory /vagrant/d7> Order allow,deny Allow from all </Directory> <Directory /vagrant> Order allow,deny Allow from all </Directory> </VirtualHost> error logs: [Mon Nov 04 12:23:11.947082 2013] [authz_core:error] [pid 2471] [client 10.0.2.2:58238] AH01630: client denied by server configuration: /vagrant/d7/ I have no idea why this isn't work... With above rule I have forbidden on drupal site and apache welcome page too (index.html) ls -ld /vagrant/d7 command output: drwxrwxrwx 1 vagrant vagrant 8192 Nov 4 10:05 /vagrant/d7

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What's the easiest way to create an HTTP proxy which adds basic authentication to requests?

- by joshdoe

I am trying to use a service provided by a server which requires basic HTTP authentication, however the application I am using does not support authentication. What I'd like to do is create a proxy that will enable my auth-less application to connect via the proxy (which will add the authentication information) to the server requiring authentication. I'm sure this can be done, however I'm overwhelmed with the number of proxies out there and couldn't find an answer how to do this. Basically it seems all I want to do is have a proxy serve this URL: http://username:password@remoteserver/path as this URL: http://proxyserver/path I can run it on Linux, but a plus if I can run it Windows as well. Open source or at least free is a must. A big plus is if it's fairly straightforward to setup.

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All terminal commands (like ls, cd, edit, open) are returning errors on my Mac

- by park

From what I can tell from reading other questions/answers is that my .bash_profile file may be corrupt. If I type echo $PATH in terminal the result is: /usr/local/git/bin From what I've read, that's not what the result is supposed to be. But I also can't get any of the commands (like edit or subl, for Sublime Text 2) to open the .bash_profile file to edit it. I was able to open the file in TextEdit using "cmd-shift-.", and here's what's in the file: [[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" PATH=$PATH:~/bin export PATH export PATH=/usr/local/git/bin But the file is LOCKED, so I can't edit it there either. I'm very new to programming and in the middle of trying to install everything on my Mac to go through a Ruby on Rails tutorial. I can't even check my version of ruby, since even ruby -v returns -bash: ruby: command not found Any help would be greatly appreciated. Thanks.

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Sprite sorting issues

- by TheBroodian

I apologize for the vague title, I'm not sure how else to phrase this problem. I am using tIDE to assist me in my game's world development. To give a dynamic effect to map layers within tIDE, it has events that can be wired up to draw sprites before or after the draw of layers, to create foreground or background effects during runtime. This all works fine and well, however, the only way that I understand that this works, is by calling tIDE's internal spritebatch to create this effect. This creates a problem for me, because within tIDE's source code, its spritebatch's call block is set to SpriteSortMode.Deferred, and my characters have particle elements that I would like to draw in front of and behind themselves, via a drawdepth value. I can use a separate instance of spritebatch and call my character's draw method, and set sprite sorting there, but then my character is drawn ontop of all layers in my tIDE map. Which is even worse to me than my particles not being drawn as I want them to be. So, in summary, I want all of my crap to work, but at the moment the only way I can figure to do that is to ghetto rig the spritebatch within my characters' draw methods by calling a spritebatch.End();, then starting a new call to Begin() with SpriteSortMode.BackToFront, doing all of my characters' draw logic, and then calling another spritebatch.End(); followed once again by a new spritebatch.Begin(). Obviously that is pretty undesirable, but I don't know any other feasible alternatives. Anybody got any wisdom they could impart unto me as to how I could handle this?

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Is it possible to get xRandR to see two separate outputs with the nvidia driver?

- by rumtscho

I have two monitors, which I have set up with nvidia-settings in Twinview. The result: When I want to do something in xRandR, it does not function. It doesn't report one output per video card head, but a single output mapped to the combined area of both monitors: rumtscho@bradbury:~$ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 3840 x 1440, current 3840 x 1440, maximum 3840 x 1440 default connected 3840x1440+0+0 0mm x 0mm 3840x1440 50.0* Now I promised somebody to help test a driver. The developer is using an open source driver for Intel video cards, and his driver assumes that there is more than one xRandR output, each mapped to a monitor. So I tried rewriting my xorg.conf to somehow get two outputs to show up, but failed. Googling showed that people faced with the xRandR-nvidia problem either stopped using xRandR and achieved what they needed with nvidia-settings, or changed their driver to nouveau. The first is not going to help in my situation, and I am not willing to give up the proprietary driver, because Compiz won't work without it. So does anybody know a way to get nvidia to actually pass on information on outputs to xRandR?

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How to ignore moved lines in a diff

- by klickverbot

I am currently working on a source code generation tool. To make sure that my changes do no introduce any new bugs, a diff between the output of the program before and after my changes would theoretically be a valuable tool. However, this turns out to be harder than one might think, because the tool outputs lines where the order does not matter (like import statements, function declarations, …) in a semi-randomly ordered way. Because of this, the output of diff is cluttered with many changes that are in fact only lines moved to another position in the same file. Is there a way to make diff ignore these moves and only output the lines that have really been added or removed?

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cannot at all find sql instance (while installing an asp.net app on IIS)

- by giddy

So I'm really not a DBA, I'm an app dev. I had to install my asp.net mvc3 app on my client's(a large company) IIS6 + Win2k3 machine, with absolutely no help from their sysadmins. The final problem now is SQL Server 2008 r2, after figuring out how to create a login from windows, my app and sqlcmd.exe always complains it cannot find a sql server instance!! I have all the sql services (in services.msc) running to Log On as the local system. I can login fine with SQL Server Management Studio with Windows Auth. I created my database, my asp.net app needs/uses windows auth. But for the love of God, whatever I do my app always complains it cannot find the instance. (Also tried running SQL CMD and it complains of the same thing too!) My data base connection string looks like this: Data Source=machinename\username;Initial Catalog=myDataStore;Integrated Security=True;MultipleActiveResultSets=True Machinename\user is the same thing that shows up on the sql server management studio login if I choose windows authentication right?

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Enable live streaming on website

- by Somebody

I have a server colocated in a datacentre (dedicated 1Gbit line, SSDs, etc.) running CentOS 5.4 64-bit. I want to stream live video from a device (webcam, camcorder, whatever.) to my server which inturn can re-broadcast it on demand through a flash player (such as Flowplayer) so that more users will be able to watch the stream since the server is quite fast. Does a solution like this exist already (streaming software from live source to flash media server) or will I need to hire someone to code it? I see that VLC has an option to stream video.. will that be suitable in this case? Or is there a better way to do it? I don't want a browser based solution on my end. It'll be great if this can be done without running an X server but I don't mind either way. This will be running on a dedicated PC at home.

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Forking a GPL dual licensed software with business owned copyrights

- by Eric

After receiving some threats of the copyrights holder of a dual licensed software(GPL2 and commercial) to buy the commercial version for projects in production, I am thinking to make a fork. In a case of GPL2 and commercially dual licensed with business owned copyrights software, is forking the GPL2 version an option? Also, is forking a good way to deal with such cases? Background information The software is a web CMS released under 2 versions a GPL2 free open source edition and a commercial edition including technical support and extra functionality. The problem is that now, basing their argumentation on the "distribution" definition of the GPL2, the company holding the copyrights argue that delivering the software and some extensions to a client is considered as a "distribution". And that such a "distribution" falls under the GPL2 obligation to release the custom made extension code. Custom made extensions are mainly designs, templates and very specific functionality. Basically they give me 3 choices: Buying the commercial licensed edition for projects based on the GPL in production, Deleting all the projects in production based on GPL2 version, Releasing all the extensions as GPL2 code. The first 2 options are nothing realistic for finished projects. The third option could be fine, but as most of the extensions are very specific, cleaning the code to make it usable by other users means lot of works and also I am not sure the clients will appreciate to have their website designs and specific functionality released publicly. The copyrights holding company even contacted some clients directly, giving them the "choice". I know that this is a very corporate interpretation of GPL2, and a such action is nothing close to legal, but as an independent developer, I don't want to take the risk to get involved in some long and tiring legal procedures. PS. This question was first asked on Stack Overflow where it felt out of the scope and closed, after reading the present site FAQ, discussing about software licensing seems fine.

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PDF form created in Libre Office - trouble with form fields and font sizing

- by soawesomejohn

I am trying to create a PDF Form using LibreOffice. I can create the form elements and export as PDF. However, the form fields are giving me problems. The text in these fields always centers on the bottom, and often the text you input is cut off at the bottom. I found that if I make the fields larger, the text no longer cuts off, but the field is exceptionally large with lots of space above the text. I have made an odt (source) and a pdf (export) file to show what I'm running into. I tried a number of different fonts and sizes, but to make things easier, I made the field names all "field1" so that once you fill out one entry, all fields show as filled in. http://ytnoc.net/files/sampleapp.odt http://ytnoc.net/files/sampleapp.pdf My main question is how do I make form fields that don't cut off the text without having to make the fields way oversized? Made with LibreOffice 3.3.0

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Updating autoreconf

- by AzaraT

So I need to use the autoreconf to configure a package. However I need at least version 2.61. I'm on CentOS 5.8 and it seems like there's no package for it so I went on to compile it myself. So I get the source of autoconf from http://www.gnu.org/software/autoconf/ and compiled that. And sure when I do autoconf -V it shows up as version 2.68 which is indeed the latest version. However autoreconf (nothing the re) still shows up as the old version 2.59 which causes me some problems. So could someone help a relatively new linux user, updating autoreconf properly? Thanks

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Looking for fault-tolerant, multi-CD/DVD burning software

- by MichaelKay

A few years back, I saw an open-source application that created fault-tolerant, multi-CD backup sets. The thought was that if a few sectors went bad on one CD, the data could be reconstructed from others similar to a RAID 5 hard-drive setup. I did some searching and I could not find the application again. Does anyone know of a application that works in this manner. It needs to work with both CDs & DVDs. Linux or Windows will be OK.

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filtering dates in a data view webpart when using webservices datasource

- by Patrick Olurotimi Ige

I was working on a data view web part recently and i had to filter the data based on dates.Since the data source was web services i couldn't use the Offset which i blogged about earlier.When using web services to pull data in sharepoint designer you would have to use xpath.So for example this is the soap that populates the rows<xsl:variable name="Rows" select="/soap:Envelope/soap:Body/ddw1:GetListItemsResponse/ddw1:GetListItemsResult/ddw1:listitems/rs:data/z:row/>But you would need to add some predicate [] and filter the date nodes.So you can do something like this (marked in red)<xsl:variable name="Rows" select="/soap:Envelope/soap:Body/ddw1:GetListItemsResponse/ddw1:GetListItemsResult/ddw1:listitems/rs:data/z:row[ddwrt:FormatDateTime(string(@ows_Created),1033,'yyyyMMdd') >= ddwrt:FormatDateTime(string(substring-after($fd,'#')),1033,'yyyyMMdd')]"/>For the filtering to work you need to have the date formatted above as yyyyMMdd.One more thing you must have noticed is the $fd variable.This variable is created by me creating a calculated column in the list so something like this [Created]-2So basically that the xpath is doing is get me data only when the Created date is greater than or equal to the Created date -2 which is 2 date less than the created date.Also not that when using web services in sharepoint designer and try to use the default filtering you won't get to see greater tha or less than in the option list comparison.:(Hope this helps.

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Google+ Platform Office Hours for May 2nd, 2012: Hanging out with the Tabletop Forge team

Google+ Platform Office Hours for May 2nd, 2012: Hanging out with the Tabletop Forge team This week we met with Charles Jaimet, Joshuha Owen and Fraser Cain of the Tabletop Forge team. They showed us their hangout app and shared their experience. Discussion this session on Google+: goo.gl You can learn more about our office hours here: goo.gl Here are some notable moments in this session: 1:50 - Charles explains Tabletop Forge 6:12 - Tabletop Forge Demo begins 7:45 - How do you prevent cheating on dice rolls? 14:07 - A discussion about trust in tabletop gaming 14:57 - Upcoming feature - Fog of war 24:06 - What are some challenges with the Hangouts API that you've overcome? 27:10 - It'd be cool to play a game with a separate on air game view 31:08 - Comments as a source of game material 31:58 - What else is on the roadmap for Tabletop Forge? 35:52 - Will there be a Kickstarter for Tabletop Forge? 36:42 - What do you think about saving game logs to places like Google Drive or Google Docs? 39:07 - The 7 sided die is not something possible in reality. In what other ways have you gone beyond the limits of the physical table top? 43:11 - What was your first game? From: GoogleDevelopers Views: 2401 23 ratings Time: 46:43 More in Science & Technology

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Project Server 2010 site creation - the database connection string is not available

- by Brandon Montgomery

I am trying to get Project Server 2010 up and running on a Win Server 2008 box. I've got Sharepoint 2010 installed and Project Server 2010 installed. I open SharePoint Central Administration, then I go to Manage Service Applications Project Server Service Application. It looks like there is a site under the "Sharepoint - 80" section, but the Status says "Failed - see the Application event Log". When I click on the site and select "Retry" I get the same thing. In the event viewer, I see an error with SharePoint Foundation Search as the Source - it reads: Could not create a database session. Context: Application '276504a6-93b1-4c1f-a900-fd6ed9d5c117' Details: The database connection string is not available. (0xc0041228) How can I fix this? Is there some configuration I missed?

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