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  • Stack , data and address space limits on an Ubuntu server

    - by PaulDaviesC
    I am running an Ubuntu server which has around 5000 users. The users are allowed to SSH in to the system. So in order to cap the memory used up by a process I have capped the address space limits using limits.conf. So my question is , should I be limiting the data and stack ? I feel that is not required since I am capping address space. Are there any pitfalls if I do not cap the stack and data limits?

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  • Reading and conditionally updating N rows, where N > 100,000 for DNA Sequence processing

    - by makerofthings7
    I have a proof of concept application that uses Azure tables to associate DNA sequences to "something". Table 1 is the master table. It uniquely lists every DNA sequence. The PK is a load balanced hash of the RK. The RK is the unique encoded value of the DNA sequence. Additional tables are created per subject. Each subject has a list of N DNA sequences that have one reference in the Master table, where N is 100,000. It is possible for many tables to reference the same DNA sequence, but in this case only one entry will be present in the Master table. My Azure dilemma: I need to lock the reference in the Master table as I work with the data. I need to handle timeouts, and prevent other threads from overwriting my data as one C# thread is working with the information. Other threads need to realise that this is locked, and move onto other unlocked records and do the work. Ideally I'd like to get some progress report of how my computation is going, and have the option to cancel the process (and unwind the locks). Question What is the best approach for this? I'm looking at these code snippets for inspiration: http://blogs.msdn.com/b/jimoneil/archive/2010/10/05/azure-home-part-7-asynchronous-table-storage-pagination.aspx http://stackoverflow.com/q/4535740/328397

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  • Best of "The Moth" 2012

    - by Daniel Moth
    As with previous years (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011) I’d like to wish you a Happy New Year and share a quick review of my blog posts from 2012 (plus speculate on my 2013 blog focus). 1. Like 2011, my professional energy in 2012 was dominated by C++ AMP including articles, blog posts, demos, slides, and screencasts. I summarized that over two posts on the official team blog that I linked to from my blog post here titled: “The last word on C++ AMP”, which also subtly hinted at my change of role which I confirmed in my other post titled “Visual Studio Continued Excitement”. 2. Even before I moved to the Visual Studio Diagnostics team in September, earlier in the year I had started sharing blog posts with my thoughts on that space, something I expect to continue in the new year. You can read some of that in these posts: The way I think about Diagnostic tools, Live Debugging, Attach to Process in Visual Studio, Start Debugging in Visual Studio, Visual Studio Exceptions dialogs. 3. What you should also expect to see more of is thoughts, tips, checklists, etc around Professional Communication and on how to be more efficient and effective with that, e.g. Link instead of Attaching, Sending Outlook Invites, Responding to Invites, and OOF checklist. 4. As always, I sometimes share random information, and noteworthy from 2012 is the one where I outlined the Visual Studio versioning story (“Visual Studio 11 not 2011”, and after that post VS 11 was officially baptized VS2012) and the one on “How I Record Screencasts”. Looking back, unlike 2011 there were no posts in 2012 related to device development, e.g. for Windows Phone. Expect that to be rectified in 2013 as I hope to find more time for such coding… stay tuned by subscribing using the link on the left. Comments about this post by Daniel Moth welcome at the original blog.

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  • Monit and Thin and Unfound Gems

    - by TenJack
    I've been using Monit to monitor my Thin server and everything was working until I upgraded my Rails version from 2.3.4 to 2.3.14. Now when I try and start Thin using monit it gives me an unfound gem error: Missing the Rails 2.3.14 gem. Please `gem install -v=2.3.14 rails` I thought this may be a GEM PATH issue and also tried setting the GEM_HOME and PATH variables in the start command: check process thin3001 with pidfile /home/blahblah/apps/Vocab/shared/pids/thin.3001.pid start program = "/usr/bin/env PATH=/usr/lib/ruby/gems/1.8/gems GEM_HOME=/usr/lib/ruby/gems/1.8/gems /usr/bin/ruby /usr/bin/thin -C /etc/thin/vocab.yml start -o 3001" stop program = "/usr/bin/ruby /usr/bin/thin -C /etc/thin/vocab.yml stop -o 3001" if totalmem > 150.0 MB for 5 cycles then restart group thin It's strange because if I run the start command in the console it works fine, it's only within monit that I get the missing Gems error.

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  • Overhead of Perfmon -> direct to SQL Database

    - by StuartC
    HI All, First up, I'm a total newb at Performance Monitoring. I'm looking to set up central performance monitoring of some boxes. 2K3 TS ( Monitor General OS Perf & Session Specific Counters ) 2K8 R2 ( XenApp 6 = Monitor General OS Perf & Session Specific Counters ) File Server ( Standard File I/O ) My ultimate aim is to get as many counters/information, without impacting the clients session experience at all. Including counters specific to their sessions. I was thinking it logging directly to a SQL on another server, instead of a two part process of blg file then relog to sql. Would that work ok? Does anyone know the overhead of going straight to SQL from the client? I've searched around a bit, but havent found so much information it can be overwhelming. thanks

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  • Remote Desktop Client Crashes following domain join

    - by Roberto Charlie Ciarleglio
    I recently joined my laptop to our windows domain and now the remote desktop client crashes when i try and connect to any machine. It works if I run as administrator but not ordinarily. The domain join migrated my local profile to the domain profile which i think is where the problem lies. I'm guessing its a permission thing as I had a similar problem with dropbox and had to delete reg keys and reinstall. I can't figure out how to fix this problem though. The event viewer shows this: Faulting application name: mstsc.exe, version: 6.1.7601.17514, time stamp: 0x4ce7ab44 Faulting module name: FACredProv2.dll, version: 2.4.95.1, time stamp: 0x4bb8d766 Exception code: 0xc0000005 Fault offset: 0x00000000000025b2 Faulting process id: 0xb24 Faulting application start time: 0x01cd43fbd3a81fba Faulting application path: C:\Windows\System32\mstsc.exe Faulting module path: C:\Windows\System32\FACredProv2.dll Report Id: 154ee55a-afef-11e1-a443-b8ac6f704c5d any help would be appreciated!

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  • Outlook folder structure Template

    - by Filip Ekberg
    Having a lot of different customers and a lot of different areas to work with makes it trivial to have your mail folders in order. Everytime I get a new Project / Customer I want to add a certain Folder Structure in my "Customer" / "Project" sub directory. It might look like this: Customer_name/ Bugs Documents Important Support/ Done And as it is today, I have to manually add these manually, which is harsh when you have a lot of it going on and each sub directory under the customer_name directory needs to have "display all items" since it's important to me to see all Items in Bugs / Support / Important. Makes my life easier. So, Is it possible to Automize the process somehow? Macro? Folder Templates? What are my options?

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  • Why might login failures cause SQL 2005 to dump and ditch?

    - by Byron Sommardahl
    Our SQL 2005 server began timing out and finally stopped responding on Oct 26th. The application logs showed a ton of 17883 events leading up to a reboot. After the reboot everything was fine but we were still scratching our heads. Fast forward 6 days... it happened again. Then again 2 days later. The last night. Today it has happened three times to far. The timeline is fairly predictable when it happens: Trans log backups. Login failure for "user2". Minidump Another minidump for the scheduler Repeated 17883 events. Server fails little by little until it won't accept any requests. Reboot is all that gets us going again (a band-aid) Interesting, though, is that the server box itself doesn't seem to have any problems. CPU usage is normal. Network connectivity is fine. We can remote in and look at logs. Management studio does eventually bog down, though. Today, for the first time, we tried stopping services instead of a reboot. All services stopped on their own except for the SQL Server service. We finally did an "end task" on that one and were able to bring everything back up. It worked fine for about 30 minutes until we started seeing timeouts and 17883's again. This time, probably because we didn't reboot all the way, we saw a bunch of 844 events mixed in with the 17883's. Our entire tech team here is scratching heads... some ideas we're kicking around: MS Cumulative Update hit around the same time as when we first had a problem. Since then, we've rolled it back. Maybe it didn't rollback all the way. The situation looks and feels like an unhandled "stack overflow" (no relation) in that it starts small and compounds over time. Problem with this is that there isn't significant CPU usage. At any rate, we're not ruling SQL 2005 bug out at all. Maybe we added one too many import processes and have reached our limit on this box. (hard to believe). Looking at SQLDUMP0151.log at the time of one of the crashes. There are some "login failures" and then there are two stack dumps. 1st a normal stack dump, 2nd for a scheduler dump. Here's a snippet: (sorry for the lack of line breaks) 2009-11-10 11:59:14.95 spid63 Using 'xpsqlbot.dll' version '2005.90.3042' to execute extended stored procedure 'xp_qv'. This is an informational message only; no user action is required. 2009-11-10 11:59:15.09 spid63 Using 'xplog70.dll' version '2005.90.3042' to execute extended stored procedure 'xp_msver'. This is an informational message only; no user action is required. 2009-11-10 12:02:33.24 Logon Error: 18456, Severity: 14, State: 16. 2009-11-10 12:02:33.24 Logon Login failed for user 'standard_user2'. [CLIENT: 50.36.172.101] 2009-11-10 12:08:21.12 Logon Error: 18456, Severity: 14, State: 16. 2009-11-10 12:08:21.12 Logon Login failed for user 'standard_user2'. [CLIENT: 50.36.172.101] 2009-11-10 12:13:49.38 Logon Error: 18456, Severity: 14, State: 16. 2009-11-10 12:13:49.38 Logon Login failed for user 'standard_user2'. [CLIENT: 50.36.172.101] 2009-11-10 12:15:16.88 Logon Error: 18456, Severity: 14, State: 16. 2009-11-10 12:15:16.88 Logon Login failed for user 'standard_user2'. [CLIENT: 50.36.172.101] 2009-11-10 12:18:24.41 Logon Error: 18456, Severity: 14, State: 16. 2009-11-10 12:18:24.41 Logon Login failed for user 'standard_user2'. [CLIENT: 50.36.172.101] 2009-11-10 12:18:38.88 spid111 Using 'dbghelp.dll' version '4.0.5' 2009-11-10 12:18:39.02 spid111 *Stack Dump being sent to C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\SQLDump0149.txt 2009-11-10 12:18:39.02 spid111 SqlDumpExceptionHandler: Process 111 generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process. 2009-11-10 12:18:39.02 spid111 * ***************************************************************************** 2009-11-10 12:18:39.02 spid111 * 2009-11-10 12:18:39.02 spid111 * BEGIN STACK DUMP: 2009-11-10 12:18:39.02 spid111 * 11/10/09 12:18:39 spid 111 2009-11-10 12:18:39.02 spid111 * 2009-11-10 12:18:39.02 spid111 * 2009-11-10 12:18:39.02 spid111 * Exception Address = 0159D56F Module(sqlservr+0059D56F) 2009-11-10 12:18:39.02 spid111 * Exception Code = c0000005 EXCEPTION_ACCESS_VIOLATION 2009-11-10 12:18:39.02 spid111 * Access Violation occurred writing address 00000000 2009-11-10 12:18:39.02 spid111 * Input Buffer 138 bytes - 2009-11-10 12:18:39.02 spid111 * " N R S C _ P T A 22 00 4e 00 52 00 53 00 43 00 5f 00 50 00 54 00 41 00 2009-11-10 12:18:39.02 spid111 * C _ Q A . d b o . 43 00 5f 00 51 00 41 00 2e 00 64 00 62 00 6f 00 2e 00 2009-11-10 12:18:39.02 spid111 * U s p S e l N e x 55 00 73 00 70 00 53 00 65 00 6c 00 4e 00 65 00 78 00 2009-11-10 12:18:39.02 spid111 * t A c c o u n t 74 00 41 00 63 00 63 00 6f 00 75 00 6e 00 74 00 00 00 2009-11-10 12:18:39.02 spid111 * @ i n t F o r m I 0a 40 00 69 00 6e 00 74 00 46 00 6f 00 72 00 6d 00 49 2009-11-10 12:18:39.02 spid111 * D & 8 @ t x 00 44 00 00 26 04 04 38 00 00 00 09 40 00 74 00 78 00 2009-11-10 12:18:39.02 spid111 * t A l i a s § 74 00 41 00 6c 00 69 00 61 00 73 00 00 a7 0f 00 09 04 2009-11-10 12:18:39.02 spid111 * Ð GQE9732 d0 00 00 07 00 47 51 45 39 37 33 32 2009-11-10 12:18:39.02 spid111 * 2009-11-10 12:18:39.02 spid111 * 2009-11-10 12:18:39.02 spid111 * MODULE BASE END SIZE 2009-11-10 12:18:39.02 spid111 * sqlservr 01000000 02C09FFF 01c0a000 2009-11-10 12:18:39.02 spid111 * ntdll 7C800000 7C8C1FFF 000c2000 2009-11-10 12:18:39.02 spid111 * kernel32 77E40000 77F41FFF 00102000

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  • Issue with IIS...SERVER APPLICATION UNAVAILABLE

    - by SVI
    My web application was running absolutely fine. Just 2 days back, I got an error saying. SERVER APPLICATION UNAVAILABLE I am pretty certain that nothing was changed on IIS. Unless my automatic Windows updates screwed it up completely. My event viewer had zillions of following errors in Application category. aspnet_wp.exe could not be started. The error code for the failure is C0000005. This error can be caused when the worker process account has insufficient rights to read the .NET Framework files. Please ensure that the .NET Framework is correctly installed and that the ACLs on the installation directory allow access to the configured account. I reinstalled IIS. After installing, i ran aspnet_regiis -i for framework v2 and now it throws error saying - The application could not be initialized properly. Any ideas what going on?

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  • CodePlex Daily Summary for Monday, May 24, 2010

    CodePlex Daily Summary for Monday, May 24, 2010New Projects(SocketCoder) Full Silverlight Web Video/Voice Conference: Is an open source project to develop full Silverlight Web Video/Voice Conference System in C# .NETabc123: Prueba Archetype Programming Language: See http://dvanderboom.wordpress.comBusiness Process Automation (BPA): BPA is a project initiative to develop an ERP which will integrate with work flow of an organization. It is build on the concept that all business ...Content Rendering: Content Rendering is a .NET 3.5 string template engine. The program uses reflection, an extensibility API and a template document, which has a cust...DTA Output Renamer: The DTA Output Renamer takes recommendations from the SQL Server Database Tuning Advisor (DTA) and updates the names of the indexes/statistics to b...Flexible Editing Toolkit: The Flexible Editing Toolkit aims to enable users who have coding experience in .Net to write own editors/tools using an easy-to-use framework and ...Fluent NHibernate, MVC 2: Projeto ultra simples desenvolvido em Asp.Net MVC 2 com Fluent NHibernate. Foram utilizadas camadas baseadas no DDD. Sample project to test DDD arc...GravityGame: Proyecto del capítulo del IGDA en el Tec de Monterrey Campus Sonora Norte. El objetivo es la creación de un primer juego para conocer cuales son l...Partner Relationship Management (PRM) Accelerator for Microsoft Dynamics CRM: R2 of the PRM accelerator for Microsoft Dynamics CRM.Posh-Hg: Mercurial integration for Windows PowershellSuiteMap: selfSvenska till Rövarspråket: Översätter svenska till rövarspråketTV4Home: This projects extends MediaPortal TV Server with a solution for MediaCenter clients, a Web-Interface and a WHS Add-In.User Profile WebPart: Use this webpart to display SharePoint User Profile information. VolumeMasterCmd: Command line application that will set the wave volume level. Usage: VolumeMaster | VolumeMaster [0-100] Display or set the wave volume level ...wawa cloud store service: 盖茨描述了云计算和云存储之间的区别。“人们老是会搞混。云存储是把你的文件存储到其他地方,进行备份,这和云计算是不同的。这两者都很了不起,都是很好的技术。” 他表示,“云存储的效能没有折扣,因此富于理性的存储经理将会考虑使用云存储技术。” 相反,他表示云计算则会有一些问题,延迟和带宽都可能会...XNA Collision Detection: A collision library which extracts the triangles from a given model, and tests for collision using multiple methods on all existing triangles. Thi...You Private Social Network: YourPrivateNet is for all people who are unsatisfied with how social networking giants, namely facebook, are dealing with privacy and the users dat...New ReleasesArchetype Programming Language: C Sharp 4.0 Grammar in M: This is a C# 4.0 grammar that I am using to learn about parsers and the process of generating ASTs, in preparation for doing the same for the Arche...CassiniDev - Cassini 3.5/4.0 Developers Edition: CassiniDev 3.5.1.4 and 4.0.1.4 beta3: Binary release includes: .net 3.5sp1 and 4.0 builds of Gui app, Console app, Library assembly and Visual Studio development server replacements f...ClosedXML - The easy way to OpenXML: ClosedXML 0.10: The current build has the following capabilities: Can create new workbooks Add worksheets Access cells using R1C1, A1, and mixed notations. A...CRM Web Service Toolkit: MSCRM4 Web Service Toolkit for JavaScript v2.0: MSCRM Web Service Toolkit for JavaScript v2.0. The release contains: CrmServiceToolkit.js (The uncompressed code) CrmServiceToolkit.min.js (The ...DBFramework: Kenly.DBFramework4.6.5.2: Kenly.DBFramework4.6.5.2eComic: eComic 2010.0.0.1: With the release of .NET 4.0 the system was upgraded. This upgrade involved starting the project over from scratch, so the installation package wil...Exchange 2010 RBAC Editor (RBAC GUI) - updated on 5/24/2010: RBAC Editor 0.9.3.1: Some bugs fixed, support added for unscopedtoplevel roles (still in progress), added logging capabilities Please use email address in About menu o...Hammock for REST: Hammock v1.0.4: v1.0.4 ChangesAdded handling for special characters in OAuth signatures (\r\n\t\b) Corrected an inconsistency in OAuth GET vs. POST when encoding...HKGolden Express: HKGoldenExpress (Build 201005231730): New features: (None) Bug fix: Fixed problem of unable to start new thread. Fixed problem of unable to show user icons due to incorrect path. ...Kurumsal Ofis Paketi: Kurumsal Ofis Paketi Sürüm 1.0: Kurumsal Ofis Paketi Sürüm 1.0MDownloader: MDownloader-0.15.15.59175: Fixed FileFactory implementation (FileFactory team doesn't give up); Fixed minor bugs.Munq: Tools for ASP.NET MVC: Munq IocContainer Version 2.0: The latest and greatest.NLog - Advanced .NET Logging: Nightly Build 2010.05.23.001: Changes since the last build:2010-05-23 00:01:19 Jarek Kowalski Made contition on <when /> required. Added unit tests. 2010-05-22 20:06:16 Jarek K...NUnit for Team Build: Version 2.0 Alpha 1: This version has experimental TFS 2010 support. I have been using it successfully with TFS 2010 for a few weeks now with no problems. It should be ...Partner Relationship Management (PRM) Accelerator for Microsoft Dynamics CRM: PRM Accelerator (R2) for Dynamics CRM 4.0: The Partner Relationship Management (PRM) Accelerator allows businesses to use Microsoft Dynamics CRM to distribute sales leads and centrally manag...Percussion Toolkit: Command line Note Detector 1.0: A command line tool for detecting note onsets in WAV files. Note: Currently only supports 32-bit float encoded Microsoft WAV files with a sample ...Percussion Toolkit: Reference Input Data Set (A): This release contains a set of input WAV files for testing note onset detection accuracy and effectiveness. The archive contains computer-generate...Percussion Toolkit: Rhythm Friend: Rhythm Friend is an interactive tool for practicing drum rudiments. It provides a simple metronome coupled with rhythm coach features.SharePoint List Field Manager: SharePoint List Field Manager: This is Version 2 of the SharePoint List Field Manager. First created for CorasWorks customers, we have decided to make it publically available to ...Silverlight 4.0 Popup Menu: Context Menu for Silverlight 4.0 v1.2 Beta: - Added delay on hover events for both parent and child menus. - Parent menus now close automatically when child menu is clicked. - Updated referen...Software Is Hardwork: Sw. Is Hw. Lib. 3.0.0.x+03: Sw. Is Hw. Lib. 3.0.0.x+03 UNSUPPORTED, UNTESTED ALPHA RELEASE Code may disappear. This is just a preview of code that was in progress. Code is s...The Fastcopy Helper: The Fastcopy Helper 2.0: The Fastcopy Helper 2.0 This is a new method to run for it . Fastcopy同步辅助器 方案二 这个方案二,是使用了全新的方法进行磁盘文件扫描,和比较。速度飙升到最快!同时优化了很多细节的内容,使得性能大幅度提升。User Profile WebPart: UserProfileWebPart 1.0: Inititial release.VCC: Latest build, v2.1.30523.0: Automatic drop of latest buildVolumeMasterCmd: VolumeMaster 1.0: First release.XNA Collision Detection: XNA Static Collider: Provides collision detection between a Model and BoundingSphere, or a Model and Ray. An example of how to initialize a collision object: Collidee...xxfd1r4w96: 20100523: Приложението има следната функционалност: 1. Добавяне на сайта https://online.bulbank.bg в trusted sites. 2. Инсталиране на Bulbank Root Certificat...Yet another developer blog - Examples: Asynchronous Form in ASP.NET MVC: This sample application shows how to use jQuery Validation plugin for creating an asynchronous form in ASP.NET MVC 1 with client side validation. T...Most Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)patterns & practices – Enterprise LibraryPHPExcelMicrosoft SQL Server Community & SamplesASP.NETMost Active ProjectsRawrpatterns & practices – Enterprise LibrarySqlServerExtensionsGMap.NET - Great Maps for Windows Forms & PresentationCaliburn: An Application Framework for WPF and Silverlightpatterns & practices: Windows Azure Security GuidanceCassiniDev - Cassini 3.5/4.0 Developers EditionNB_Store - Free DotNetNuke Ecommerce Catalog ModuleCodeReviewBlogEngine.NET

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  • Does MS Forefront TMG cache authentication?

    - by SnOrfus
    I'm testing a client machine that makes requests to a biztalk server using a forefront machine as a web proxy. Upon first test I put in an invalid name/password into the receive port and received the correct error message (407). Then, I set the correct name/password and everything worked correctly. From there, I kept the correct information in the receive port but put an invalid name/password into the send adapter but the process completed successfully (should have failed with 407). I've ensured that both the recieve and send ports are not bypassing the proxy for local addresses. So the only thing that seems to make sense is if TMG is caching the authentication request coming from the machine I'm working on. Is this thinking correct, and if so, does anyone know how to disable it in TMG?

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  • No endpoint listening at.........

    - by Michael Stephenson
    I was having some very frustrating behaviour on our build server and while I found a number of articles online with similar error messages none of them helped me.  I thought I would just explain this here incase if helps me or anyone else in future.The error message we were getting is:There was no endpoint listening at http://localhostStubs.ExternalApplication/SampleService.svc that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more detailsOur scenario is as follows:We have a solution where a WCF service application hosting the WCF routing service is listening to the Windows Azure Service Bus Relay.  We have an acceptance test project in the solution which sends a message to the service bus which is then received by the WCF routing service and routed to SampleService.svc which is hosted in another IIS application on the same box.  A response is flowed back through to the test.  In the tests there are 5 scenarios simulating a successful message, and various error conditions.  On my developer machine it was working absolutely fine every time, and a clean build on my developer machine worked fine.  On the build server however one or more of the tests would fail each time with the above error message.  There didnt seem to be any pattern to which test would fail.The solution was building on a Windows 2008 R2 machine with IIS 7 and AppFabric Server installed with auto-start configured for the IIS Application which would be listening to service bus.After lots of searching online and looking at logs etc it turned out to be a simple solution to just restart the WAS service (Windows Process Activation Service) and the services it advised you to restart with it.  Hope this helps someone else

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  • Android Design - Service vs Thread for Networking

    - by Nevyn
    I am writing an Android app, finally (yay me) and for this app I need persistant, but user closeable, network sockets (yes, more than one). I decided to try my hand at writing my own version of an IRC Client. My design issue however, is I'm not sure how to run the Socket connectivity itself. If I put the sockets at the Activity level, they keeps getting closed shortly after the Activity becomes non-visible (also a problem that needs solving...but I think i figured that one out)...but if I run a "connectivity service", I need to find out if I can have multiple instances of it running (the service, that is...one per server/socket). Either that or a I need a way to Thread the sockets themselves and have multiple threads running that I can still communicate with directly (ID system of some sort). Thus the question: Is it a 'better', or at least more "proper" design pattern, to put the Socket and networking in a service, and have the Activities consume said service...or should I tie the sockets directly to some Threaded Process owned by the UI Activity and not bother with the service implementation at all? I do know better than to put the networking directly on the UI thread, but that's as far as I've managed to get.

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  • Cannot install any Feature/Role on Windows Server 2008 R2 Standard

    - by Parsa
    I was trying to install Exchange 2010 prerequisites, when I encountered some error. All look like the same. Like this one: Error: Installation of [Windows Process Activation Service] Configuration APIs failed. the server needs to be restarted to undo the changes. My server is running Windows Server 2008 R2 Standard Edition. UPDATE: I tried installing the prerequisites one by one using PowerShell. Now I have errors on RPC over Http proxy: Installation of [Web Server (IIS)] Tracing Failed, Attempt to install tracing failed with error code 0x80070643. Fatal error during installation. Searching about the error code doesn't tell me much more than something went wrong when trying to update windows. Installing Http Tracing alone also doesn't make any difference.

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  • Taskbar disappears sometimes when using a second monitor

    - by Alcenaia
    Windows 7 laptop, docked with a second monitor. This problem started happening when I started using the second monitor. The taskbar will often stop displaying. The Windows logo remains, but the bar, system tray, clock, and any icons for minimized programs disappear. I can see part of my desktop wallpaper where the taskbar should be. The taskbar is not set to auto-hide. Killing the explorer.exe process and starting it again temporarily fixes this. Is there a permanent solution? Thanks!

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  • ext4 jbd2 journaling active even on empty filesystem

    - by Paul
    I have been having several issues with my ext4 filesystems that seem to be due to jbd2 journaling. I made a related post here and am rephrasing it with the hope that someone may be able to help. For a minimal example, I start with an empty 8gb USB stick and use gparted to create one ext4 partition. The command used by gparted when creating the ext4 file system is: mkfs.ext4 -j -O extent -L DataTraveler8gb /dev/sde1 I check the filesystem with gparted: e2fsck -f -y -v /dev/sde1 and I mount it: sudo mount /dev/sde1 /media/test The disk is empty, but the journaling is very active on this disk (/dev/sde1). The other disks are ext4 SSDs formatted similarly. A snapshot of iotop: % sudo iotop -oPa Total DISK READ: 0.00 B/s | Total DISK WRITE: 2027.21 K/s PID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND 262 be/3 root 0.00 B 56.00 K 0.00 % 0.18 % [jbd2/sda1-8] 29069 be/3 root 0.00 B 0.00 B 0.00 % 0.16 % [jbd2/sde1-8] 891 be/3 root 0.00 B 4.00 K 0.00 % 0.03 % [jbd2/sdc1-8] What is jbd2 doing with /dev/sde1? If I follow the same steps with a larger 2Tb disk, iotop indicates this empty disk is constantly being written to by jbd2 at the rate of Mb/s as soon as I mount it. On the other disks, which have the OS and /home, I have tried to find if any files are being modified by processes to cause this behavior but couldn't find any. I also moved many of the disk intensive process to use a tmpfs. And used noatime. I have another non-SSD hard disk on this machine, /dev/sdb, that is also ext4 but was not formatted by gparted (given to me by a coworker). It does not appear in iotop. So I am assuming there an issue with gparted. Any suggestions are appreciated. Also any tips on how to modify existing partitions to fix the issue without having to start from scratch would be great. There are some posts related to jbd2 but they didn't help (eg. here).

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  • Slow NFS transfer performance of small files

    - by Arie K
    I'm using Openfiler 2.3 on an HP ML370 G5, Smart Array P400, SAS disks combined using RAID 1+0. I set up an NFS share from ext3 partition using Openfiler's web based configuration, and I succeeded to mount the share from another host. Both host are connected using dedicated gigabit link. Simple benchmark using dd: $ dd if=/dev/zero of=outfile bs=1000 count=2000000 2000000+0 records in 2000000+0 records out 2000000000 bytes (2.0 GB) copied, 34.4737 s, 58.0 MB/s I see it can achieve moderate transfer speed (58.0 MB/s). But if I copy a directory containing many small files (.php and .jpg, around 1-4 kB per file) of total size ~300 MB, the cp process ends in about 10 minutes. Is NFS not suitable for small file transfer like above case? Or is there some parameters that must be adjusted?

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  • links for 2010-04-29

    - by Bob Rhubart
    AS11 Oracle B2B Sync Support - Series 1 (Oracle Fusion Middleware - B2B Team Blog) Sinkarbabu Kirubanithi with part 1 of a planned 3-part series on synchronous message support in Oracle B2B 11g. (tags: oracle otn fusionmiddleware b2b) Java 2 Go!: How to write a simple yet “bullet-proof” object cache "So, while we were thinking hard to come up with the most efficient, generic and elegant way of finally implementing our weak and soft caches, Mr. Eric Chan, who is one of the main architects in Oracle Beehive team, had a very interesting breakthrough. In short terms, he thought of a very nice way of combining both WeakReference and SoftReference in our weak and soft caches so that they would provide exactly the same functionality without having to deal with those reference queues at all. Basically, instead of using a plain HashMap as our backing storage, we used a java.util.WeakHashMap in both our cache implementations. The hat trick was what and how to store things in it." - Eduardo Rodrigues (tags: oracle java sun) @jamet123: First Look – Oracle Data Mining "[Oracle Data Mining] is a nice product for Oracle database customers and well worth looking into. The new UI will only make it more so." James Taylor (tags: oracle otn datamining database) Live Webcast: Social BPM: Integrating Enterprise 2.0 with Business Applications #oracle Peggy Chen and Dan Tortorici show you how to take your business to the next level with a unified solution that fosters process-based collaboration between employees, partners, and customers. Wednesday, May 12, 2010 at 11:00am PT / 2:00pm ET (tags: oracle otn enterprise2.0 webcast)

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  • What are the pros (and cons) of using “Sign in with Twitter/Facebook” for a new website?

    - by Paul D. Waite
    Myself and a friend are looking to launch a little forum site. I’m considering using the “Sign in with Facebook/Twitter” APIs, possibly exclusively (a la e.g. Lanyrd), for user login. I haven’t used either of these before, nor run a site with user logins at all. What are the pros (and cons) of these APIs? Specifically: What benefits do I get as a developer from using them? What drawbacks are there? Do end users actually like/dislike them? Have you experienced any technical/logistical issues with these APIs specifically? Here are the pros and cons I’ve got so far: Pros More convenient for the user (“register” with two clicks, sign in with one) Possibly no need to maintain our own login system  Cons No control over our login process Exclude Facebook/Twitter users who are worried about us having some sort of access to their accounts Users’ accounts on our site are compromised if their Facebook/Twitter accounts are compromised. And if we don’t maintain our own alternative login system: Dependency on Facebook/Twitter for our login system Exclude non-Facebook/non-Twitter users from our site

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  • install yum on fedora core 6

    - by Thomas
    hi, I have installed yum through rpm -ivh yum-3.0-6.noarch.rpm. The result came as [root@02e7709 ~]# rpm -ivh yum-3.0-6.noarch.rpm Preparing... ########################################### [100%] package yum-3.0-6 is already installed I used this To query a RPM package, using the command: [root@02e7709 ~]# rpm -q yum-3.0-6.noarch.rpm Reply as follows: [root@02e7709 ~]# rpm -q yum-3.0-6.noarch.rpm package yum-3.0-6.noarch.rpm is not installed both give different reply. But yum not installed I think. Whats the problem here package yum-3.0-6.noarch.rpm is not installed I used yum install subversion This follows [root@02e7709 ~]# yum install subversion Loading "installonlyn" plugin Setting up Install Process Setting up repositories core 100% |=========================| 1.1 kB 00:00 rpmforge 100% |=========================| 1.1 kB 00:00 Error: Cannot find a valid baseurl for repo: updates What is the error baseurl for repo?

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  • Extending UPK with Enablement Packs

    - by bill.x.miller
    We've mentioned in earlier posts that UPK Development keeps the tool up to date through the use of Enable Service Packs (ESP'S). Regular releases ensure that the UPK Developer supports updates to targeted applications as well as new Java updates. Installing an ESP is quick and easy. • Download the latest ESP from My Oracle Support (requires a My Oracle Support account). • Run the setup for each client machine that uses the UPK Developer • Run the Library Updates from one of the clients (multi-user only) Enablement Pack 1 for UPK 3.6.1 contains new features such as a new Tabbed Gateway, FireFox 3.6 support for the Player and SmartHelp, and several new target application versions. But a very exciting feature that is part of this ESP is now available to all Oracle E-Business Suite customers. Until now, a requirement for EBS customers who wish to record UPK content is to install delivered library files (CUSTOM.pll and ODPN.pll) on to the Oracle Application Server. These files were required to present context information to the UPK Developer so that content can be launched in a context sensitive manner. This requirement involved the Oracle system administrator to transfer, install and compile these libraries into the system. Usually a simple process, however, we understood the need to streamline the procedure. With ESP 1 for UPK 3.6.1, these pll files are no longer required. Now, a simple procedure from within the EBS application can make context available to the UPK recorder. From the System Profile, search for UPK: Change the Site field to Enable UPK Recording. Save the Form. Context information will now be made available to the UPK Recorder without involving the System Administrator or DBA. The setting you see here makes context available to all client machines recording content with UPK and does not affect the performance of your EBS application.

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  • Data and Secularism

    - by kaleidoscope
    Ever since we’ve been using Data we’ve been religious. Religious about the way we represent it and equally religious about the way we access it. Be it plain old SQL, DAO, ADO, ADO.Net and I am just referring to religions in MSFT world. A peek outside and I’d need a separate book to list out the Data faiths. Various application areas in networked computing are converging under the HTTP umbrella with a plausible transition to purist HTTP and in turn REST fuelled by the Web2.0 storm. It was time the Data access faiths also gave up the religious silos wrapped around our long worshipped data publishing and access methods. OData is the secular solution we have at hand today. It is an open protocol for sharing data. It can be exposed via REST. It is Open as in the Microsoft Open Specification Promise. This allows virtually everyone to build Data Services for any runtime. OData is one of the key standards for Data publishing/subscribing on Microsoft Codename Dallas. For us .Netters OData data sources can be exposed/consumed via WCF Data Services and the process is very simple, elegant and intuitive. Applications exposing OData Services Sharepoint 2010 IBM Web Sphere Microsoft SQL Azure Windows Azure Table Storage SQL Server Reporting Services   Live OData Services Netflix Open Science Data Initiative Open Government Data Initiatives Northwind database exposed as OData Service and many others Some may prefer to call it commoditization of data, unification of data access strategies or any other sweet name. I for one will stick to my secular definition. :) Technorati Tags: Sarang,OData,MOSP

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  • Active Directory Password Policy Problem

    - by Will
    To Clarify: my question is why isn't my password policy applying to people in the domain. Hey guys, having trouble with our password policy in Active Directory. Sometimes it just helps me to type out what I’m seeing It appears to not be applying properly across the board. I am new to this environment and AD in general but I think I have a general grasp of what should be going on. It’s a pretty simple AD setup without too many Group Policies being applied. It looks something like this DOMAIN Default Domain Policy (link enabled) Password Policy (link enabled and enforce) Personal OU Force Password Change (completely empty nothing in this GPO) IT OU Lockout Policy (link enabled and enforced) CS OU Lockout Policy Accouting OU Lockout Policy The password policy and default domain policy both define the same things under Computer ConfigWindows seetings sec settings Account Policies / Password Policy Enforce password History : 24 passwords remembered Maximum Password age : 180 days Min password age: 14 days Minimum Password Length: 6 characters Password must meet complexity requirements: Enabled Store Passwords using reversible encryption: Disabled Account Policies / Account Lockout Policy Account Lockout Duration 10080 Minutes Account Lockout Threshold: 5 invalid login attempts Reset Account Lockout Counter after : 30 minutes IT lockout This just sets the screen saver settings to lock computers when the user is Idle. After running Group Policy modeling it seems like the password policy and default domain policy is getting applied to everyone. Here is the results of group policy modeling on MO-BLANCKM using the mblanck account, as you can see the policies are both being applied , with nothing important being denied Group Policy Results NCLGS\mblanck on NCLGS\MO-BLANCKM Data collected on: 12/29/2010 11:29:44 AM Summary Computer Configuration Summary General Computer name NCLGS\MO-BLANCKM Domain NCLGS.local Site Default-First-Site-Name Last time Group Policy was processed 12/29/2010 10:17:58 AM Group Policy Objects Applied GPOs Name Link Location Revision Default Domain Policy NCLGS.local AD (15), Sysvol (15) WSUS-52010 NCLGS.local/WSUS/Clients AD (54), Sysvol (54) Password Policy NCLGS.local AD (58), Sysvol (58) Denied GPOs Name Link Location Reason Denied Local Group Policy Local Empty Security Group Membership when Group Policy was applied BUILTIN\Administrators Everyone S-1-5-21-507921405-1326574676-682003330-1003 BUILTIN\Users NT AUTHORITY\NETWORK NT AUTHORITY\Authenticated Users NCLGS\MO-BLANCKM$ NCLGS\Admin-ComputerAccounts-GP NCLGS\Domain Computers WMI Filters Name Value Reference GPO(s) None Component Status Component Name Status Last Process Time Group Policy Infrastructure Success 12/29/2010 10:17:59 AM EFS recovery Success (no data) 10/28/2010 9:10:34 AM Registry Success 10/28/2010 9:10:32 AM Security Success 10/28/2010 9:10:34 AM User Configuration Summary General User name NCLGS\mblanck Domain NCLGS.local Last time Group Policy was processed 12/29/2010 11:28:56 AM Group Policy Objects Applied GPOs Name Link Location Revision Default Domain Policy NCLGS.local AD (7), Sysvol (7) IT-Lockout NCLGS.local/Personal/CS AD (11), Sysvol (11) Password Policy NCLGS.local AD (5), Sysvol (5) Denied GPOs Name Link Location Reason Denied Local Group Policy Local Empty Force Password Change NCLGS.local/Personal Empty Security Group Membership when Group Policy was applied NCLGS\Domain Users Everyone BUILTIN\Administrators BUILTIN\Users NT AUTHORITY\INTERACTIVE NT AUTHORITY\Authenticated Users LOCAL NCLGS\MissingSkidEmail NCLGS\Customer_Service NCLGS\Email_Archive NCLGS\Job Ticket Users NCLGS\Office Staff NCLGS\CUSTOMER SERVI-1 NCLGS\Prestige_Jobs_Email NCLGS\Telecommuters NCLGS\Everyone - NCL WMI Filters Name Value Reference GPO(s) None Component Status Component Name Status Last Process Time Group Policy Infrastructure Success 12/29/2010 11:28:56 AM Registry Success 12/20/2010 12:05:51 PM Scripts Success 10/13/2010 10:38:40 AM Computer Configuration Windows Settings Security Settings Account Policies/Password Policy Policy Setting Winning GPO Enforce password history 24 passwords remembered Password Policy Maximum password age 180 days Password Policy Minimum password age 14 days Password Policy Minimum password length 6 characters Password Policy Password must meet complexity requirements Enabled Password Policy Store passwords using reversible encryption Disabled Password Policy Account Policies/Account Lockout Policy Policy Setting Winning GPO Account lockout duration 10080 minutes Password Policy Account lockout threshold 5 invalid logon attempts Password Policy Reset account lockout counter after 30 minutes Password Policy Local Policies/Security Options Network Security Policy Setting Winning GPO Network security: Force logoff when logon hours expire Enabled Default Domain Policy Public Key Policies/Autoenrollment Settings Policy Setting Winning GPO Enroll certificates automatically Enabled [Default setting] Renew expired certificates, update pending certificates, and remove revoked certificates Disabled Update certificates that use certificate templates Disabled Public Key Policies/Encrypting File System Properties Winning GPO [Default setting] Policy Setting Allow users to encrypt files using Encrypting File System (EFS) Enabled Certificates Issued To Issued By Expiration Date Intended Purposes Winning GPO SBurns SBurns 12/13/2007 5:24:30 PM File Recovery Default Domain Policy For additional information about individual settings, launch Group Policy Object Editor. Public Key Policies/Trusted Root Certification Authorities Properties Winning GPO [Default setting] Policy Setting Allow users to select new root certification authorities (CAs) to trust Enabled Client computers can trust the following certificate stores Third-Party Root Certification Authorities and Enterprise Root Certification Authorities To perform certificate-based authentication of users and computers, CAs must meet the following criteria Registered in Active Directory only Administrative Templates Windows Components/Windows Update Policy Setting Winning GPO Allow Automatic Updates immediate installation Enabled WSUS-52010 Allow non-administrators to receive update notifications Enabled WSUS-52010 Automatic Updates detection frequency Enabled WSUS-52010 Check for updates at the following interval (hours): 1 Policy Setting Winning GPO Configure Automatic Updates Enabled WSUS-52010 Configure automatic updating: 4 - Auto download and schedule the install The following settings are only required and applicable if 4 is selected. Scheduled install day: 0 - Every day Scheduled install time: 03:00 Policy Setting Winning GPO No auto-restart with logged on users for scheduled automatic updates installations Disabled WSUS-52010 Re-prompt for restart with scheduled installations Enabled WSUS-52010 Wait the following period before prompting again with a scheduled restart (minutes): 30 Policy Setting Winning GPO Reschedule Automatic Updates scheduled installations Enabled WSUS-52010 Wait after system startup (minutes): 1 Policy Setting Winning GPO Specify intranet Microsoft update service location Enabled WSUS-52010 Set the intranet update service for detecting updates: http://lavender Set the intranet statistics server: http://lavender (example: http://IntranetUpd01) User Configuration Administrative Templates Control Panel/Display Policy Setting Winning GPO Hide Screen Saver tab Enabled IT-Lockout Password protect the screen saver Enabled IT-Lockout Screen Saver Enabled IT-Lockout Screen Saver executable name Enabled IT-Lockout Screen Saver executable name sstext3d.scr Policy Setting Winning GPO Screen Saver timeout Enabled IT-Lockout Number of seconds to wait to enable the Screen Saver Seconds: 1800 System/Power Management Policy Setting Winning GPO Prompt for password on resume from hibernate / suspend Enabled IT-Lockout

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  • How do I get vmbuilder to progress?

    - by Avery Chan
    I've used the following command to create my vm: vmbuilder kvm ubuntu --verbose --suite=precise --flavour=virtual --arch=amd64 -o --libvirt=qemu:///system --tmpfs=- --ip=192.168.2.1 --part=/home/shared/vm1/vmbuilder.partition --templates=/home/shared/vm1/templates --user=vadmin --name=VM-Administrator --pass=vpass --addpkg=vim-nox --addpkg=unattended-upgrades --addpkg=acpid --firstboot=/home/shared/vm1/boot.sh --mem=256 --hostname=chameleon --bridge=br0 I've been trying to follow the direction here. My system just outputs this and it hangs at the last line: 2012-06-26 18:08:29,225 INFO : Mounting tmpfs under /tmp/tmpJbf1dZtmpfs 2012-06-26 18:08:29,234 INFO : Calling hook: preflight_check 2012-06-26 18:08:29,243 INFO : Calling hook: set_defaults 2012-06-26 18:08:29,244 INFO : Calling hook: bootstrap How can I get vmbuilder to continue the process instead of dying right here? I'm running 12.04. EDIT: Adding some additional output details When I ^C to get out of the hang I see this: ^C2012-06-26 18:19:29,622 INFO : Unmounting tmpfs from /tmp/tmpJbf1dZtmpfs Traceback (most recent call last): File "/usr/bin/vmbuilder", line 24, in <module> cli.main() File "/usr/lib/python2.7/dist-packages/VMBuilder/contrib/cli.py", line 216, in main distro.build_chroot() File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 83, in build_chroot self.call_hooks('bootstrap') File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 67, in call_hooks call_hooks(self, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 165, in call_hooks getattr(context, func, log_no_such_method)(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/distro.py", line 136, in bootstrap self.suite.debootstrap() File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/dapper.py", line 269, in debootstrap run_cmd(*cmd, **kwargs) File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 113, in run_cmd fds = select.select([x.file for x in [mystdout, mystderr] if not x.closed], [], [])[0]

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  • linux ssh -X graphical applications will not start when system load is high

    - by Chrisv
    So I am using ssh -X to access a server. I am at a Xubuntu desktop accessing a Ubuntu server that is in the next room. Usually everything works fine, but when the system load gets high, any graphical applications I have freeze and fail to be restarted. This happens even if the process that is causing the high load has been niced to a low priority with "nice -n 19". And even though the system load is high, the command line works fine with no delay, and other applications I have running on the server (e.g. virtual machines) run fine. But any graphical application running through X dies. When the graphical applications fail they usually give out an error message that suggests a time-out. It seems that something connected to X has a low priority and times out. But what is it, and how does one fix it?

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