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• What hardware factors may be considered bottlenecks on a Hyper-V virtual server during load testing?

  - by sean

  Our organization is load testing our application using virtual servers via Hyper-V to see what the user load can be using fair equipment on a single box setup. The developer group questioned the validity of the tests given the normal use of the box by the other virtual machines. IT admins answered that it is an acceptable platform to load test on because it has its own CPUs, memory and disks allocated. Is their answer mostly correct? What hardware factors may be considered bottle necks given the other virtual machines when testing our application? For example, would bus speed be a concern or network IO? The application consists of a windows service written using the 4.0 .NET Framework and SQL Server 2008 R2.

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• Own hosting, own domain on Virtualbox Ubuntu server - dynamic IP

  - by Pawel

  Hi, I have bought my TLD domain, say domain.com. What I'd like to do is to host the website available under this address on my own computer. I'm assigned a dynamic IP, and I'm also behind a router in my local network. I'd run sites on my ubuntu server on a virtualbox machine which is available in my local network. Preferably, I'd like to have my own domain on some server, with which I could experiment as much as I need (so it's only for educational purposes), but I can't afford to buy such a service. Is it feasible? Can you provide steps I'd need to take to configure it (could be just general explanation). I'd need some guidance, please.

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• Inactive JSRs looking for Spec Leads

  - by heathervc

  You may have noticed that some JSRs have a classification of "Inactive" on their JSR page.  The introduction of this term in 2009 was part of an effort to enable and encourage more transparency into the development of JSRs.  You can read more about Inactive JSRs here and also in the JCP FAQ.The following JSR proposals have been Inactive since at least 2009. If you are a JCP Member and are interested in taking over the Specification Lead role for one of these JSRs, please contact the PMO at [email protected] on or before 23 April 2012. With that message, please include the following: the subject line "Spec Lead for JSR ###," where '###' is the JSR number which JCP Member you represent why you wish to take over the Specification lead role Here is the current list of Inactive JSRs for which Members can request to become Specification Leads: JSR 122, JAIN JCAT JSR 161, JAIN ENUM API Specification JSR 182, JPay - Payment API for the Java Platform JSR 210, OSS Service Quality Management API JSR 241, The Groovy Programming Language JSR 251, Pricing API JSR 278, Resource Management API for Java ME JSR 304, Mobile Telephony API v2 JSR 305, Annotations for Software Defect Detection JSR 320, Services Framework

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• Apache crashing at random intervals. Can not find a reason in log files

  - by Nick Downton

  We are having an issue with a VPS running plesk 9.5 on ubuntu 8.04 At seemingly random intervals Apache will disappear and needs to be started manually. I have checked the apache error log, /var/log/messages, individual virtual host apache error files and cannot find anything that coincides with the time of the failure. dmesg is empty which is a bit odd. We have also had the psa service go down for no apparent reason but apache stay up. I'm at a loss to diagnose this really because all the log files I can find do not point to any issues. Are there any others I can look at? Memory usage sits at about 55% (out of 400mb) and it isn't a particularly high trafficed server. Any pointers as to where else I can find out what is going on would be very much appreciated. Nick

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• Announcing Two Papers Addressing the RPAS Fusion Client

  - by Oracle Retail Documentation Team

  Oracle Retail has published two documents to My Oracle Support addressing the Retail Predictive Application Server (RPAS) Fusion Client, a web-based rich client developed using the latest Oracle Application Development Framework (ADF). The Fusion Client provides an enhanced user experience for communicating with the RPAS server. Oracle Retail Predictive Application Server Fusion Client Getting Started Guide Doc ID 1492759.1The Retail Predictive Application Server (RPAS) is a configurable platform that provides capabilities such as a multidimensional database structure, batch and online processing, a configurable user interface, a configurable calculation engine, user security, and utility functions such as importing and exporting, all on a highly scalable technical environment that can be deployed on a variety of hardware. This paper addresses typical questions that arise during setting up and deploying the Fusion Client, provides performance recommendations, and highlights the differences between the Classic Client and the Fusion Client. Oracle Retail RPAS Fusion Client Performance Issue Report Doc ID 1493747.1Performance issues can be frustrating for customers, and Oracle Retail will strive to assist you as you attempt to enhance the performance of your systems. To ensure the timeliest processing of your issue, retailers and partners are encouraged to respond as thoroughly as possible to each question in this document, which can be sent back for analysis by logging a Service Request and following typical Customer Support processes. The sections of the document solicit information about the following: Performance Issue Description Performance Issue Details System Configuration Data Application Configuration Data Performance Log Files

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• FREE three days of online SharePoint 2010 development training for UK software houses Feb 9th to 11th

  - by Eric Nelson

  I have been working to get a SharePoint development course delivered online in February and March – online means lots of opportunities to ask questions. The first dates are now in place. The training is being delivered as a benefit for companies signed up to Microsoft Platform Ready. It is intended for UK based companies who develop software products* Agenda: Day 1 (Live Meeting 3 hours) 1:30 - 4:30 •         Getting Started with SharePoint: Understand why and how to start developing for SharePoint 2010 •         SharePoint 2010 Developer Roadmap:  Explore the new capabilities and features •         UI Enhancements: How to take advantage of the many UI enhancements including the fluent UI ribbon and  extensible dialog system. Day 2 (Live Meeting 3 hours) 1:30 - 4:30 •         Visual Studio 2010 Tools for SharePoint 2010: Overview of the project and item templates and a walkthrough of the designers •         Sandboxed Solutions: The new deployment model can help mitigate the risk of deploying custom code   •         LINQ to SharePoint:  SharePoint now fully supports LINQ for querying lists Day 3 (Live Meeting 3 hours) 1:30 - 4:30 •         Client Object Model: The Client OM can be accessed via web services, via a client (JavaScript) API, and via REST •         Accessing External Data: Business Connectivity Services (BCS) enables integration with back end systems •         Workflow: A powerful mechanism to create functionality using Windows Workflow Foundation Register for FREE (and tell your colleagues – we have a pretty decent capacity) To take advantage of this you need to: Sign your company up to Microsoft Platform Ready and record your SharePoint interest against one of your companies products Read about Microsoft Platform Ready Navigate to the “Get Technical Benefits” tab for SharePoint and click on Register Today You will then ultimately get an email with details of the Live Meeting to join on the 9th. But you should also favourite the team blog for any last minute details * Such companies are often referred to as an Independent Software Vendors. My team is focused on companies that create products used by many other companies or individuals. That could be a packaged product you can buy "off the shelf" or a Web Site offering a service - the definition is actually pretty wide these days :-) What it does not include is a company building software which will only be used by its own people.

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• What router settings to use for wireless home network

  - by Question Overflow

  While looking at the setting of my wireless router, I am bewildered by the array of options available. Despite searching on Wikipedia to try to understand the various acronyms, I am still clueless to decide what is the best setting to use although the default works fine. Rather than calling the internet service provider (ISP) to ask them the correct settings, I hope to learn more about the differences between some of the options listed below, so that I would be able to make a more informed decision from now onwards: PPPoE vs PPPoA LLC vs VC-Mux Bridge vs Routed In addition, I would also like to know the significance of the following MTU VPI VCI And whether or when I should manually specify DNS?

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• Grouping extensions in Asterisk

  - by Matt

  We have an asterisk based phone system with multiple clients connected to it. At the moment, all the extension numbers fall in the range 100 - 9999. But, now we have an issue where a particular customer wants to come onto our service and insists on keeping their existing extension list. Is there a way of having extensions 700 for one customer, and also the same number range to another customer. But yet having them belong to a different group? I see there is a concept of groups in asterisk but none of them seem to provide a solution to this.

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• AWS:EC2:: Could not connect FTP client?

  - by heathub

  My Server OS: Amazon Linux I am trying to set up ftp. I have: Installed vsftpd open port 20-21 open port 1024 - 1048 Basically, I followed every of these steps Start vsftpd service (the status indicate [ok]) I use filezilla for my ftp client. Here is my setting/configuration: Host: ec2-XX-XX-XXX-XX.compute-1.amazonaws.com Port: -(blank, but I have tried 20 and 21 though) Server Type: FTP - File Transder Protocol Logon Type: Normal Username: (tried root and ec2-user) Transfer mode: Tried passive and active I always has this error: Status: Waiting to retry... Status: Resolving address of ec2-XX-XX-XXX-XX.compute-1.amazonaws.com Status: Connecting to XX.XX.XXX.XX:21... Error: Connection timed out Error: Could not connect to server Have I missed any configuration/settings? EDIT After execute the /sbin/iptables -L -n Here is the result: Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination

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• Set Valid IP On Vmware Vm's Help Please

  - by Shahin At

  I Have a VPS.And i on my vps installed vmware workstation version 9.now i have 3 valid ip's: XXX.152.193.66 XXX.152.193.101 XXX.152.193.103 Gateway: XXX.152.193.65 now tow ip's set in host and i want to 1 ip set on vm. network vm is bridge and set ip on vm but this ip from out of internal network not ping and in vm not ping to gateway. What can I do to solve this problem? my ip is unassigned and only set on vm and use bridge network mode.and gw,mask,dns is set.but not ping. i set this ip on host and without problems is worked, But I do not know why on vm not worked. my host OS Is Windows Server 2003 and firewall is off and RRAs(routing and remote access) For VPN service is Enable. Do not host or virtual machines to create a IP route?

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• What kinds of issues can one expect when changing a domain names registar? (3 questions)

  - by anonymous-one

  Assuming that there are no 'unusual' items that come up, what kind of disruptions can one expect when moving a domain between registrars? I understand some of the below may vary over registrars. But assuming both ends are large proficient registrars: a) Will the NS settings be mirrored? We use a dedicated dns service provider so we are not using the originating registrars name servers. All that we are concerned about is that the existing NS values are mirrored at the target registrar. b) Are incoming domain transfers automated on the target registrar end? Eg: If we begin the transfer process during business hours at the source registrar, will someone have to manually approve the inbound transfer (most likely during their business hours) at the target registrar? c) Is the domain ever 'in limbo'? At any time in the process is there ever a time when the NS values for the domain are not populated (as they were prior to initiating the transfer) OR one does not have access to populate them (at the target registrar)? Thank you kindly for the help.

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• Which Language Next? Python? Ruby? [closed]

  - by Ryan Craig

  I am a beginning Webmaster (relatively), with 2+ years of php experience. I also have some java training and a bit of .net. My company is now close to redeveloping the website that I work on, which is coded primarily in php, but has some poorly-written .net in part as well (it's confusing and ill-planned, but I didn't make any of those decisions. Can anyone say action-oriented .net and JScript?). So, I'm trying to decide which language I should learn next to quickly develop a new site. I will probably just redevelop it at first in php because I'm very comfortable with it. However, I'd like to migrate in the next year to something newer and more forward-thinking. This being said, .net is out of the question a little bit. We need cheap developers who are fast and can get pages up quickly. In this part of the country, part-time .net developers are hard to find. So, we need something that will be pretty standard in the next few years, but we have some .net SOAP 1.1 APIs that we use on our actual service (separate from the corporate website), that we will need to integrate part of the site with. Developing with php and SOAP is much more difficult than doing the same thing. So, I may have to develop the API collaborative part in .net just to be easy, and then I'd like to use something else that is fast, flexible, forward thinking, and will be relatively standard and easy to find developers for. So, any ideas? Python and Django? Ruby on Rails? Another framework? Thanks for your thoughts. Sorry, I know this was long, but it's all very convoluted and confusing so I needed to be slightly long-winded.

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• Yelp, Google's API for restaurants help

  - by chris

  Ok I have looked into this, and I'm not sure if anyone else has experience with it. I'm having termendous difficulties with Yelp and Google's API. To help explain what I am trying to do here is the concept of the website. We would have to pull restaurants based on user distance, and then randomize them based on quality of restaurant based on feedback from review websites (Yelp, Google, urbanspoon, zagat, opentable, kudzu, yahoo - doesn't have to be from all), and feedback from our users (on results page for the random restaurant users can select good recommendation/bad recommendation). There’s a lot we could calculate for our formula. Things that will dictate your results will be based on if you’re at home or work. If you’re at home you will have more time to drive out to the city to grab some dinner or lunch. If you’re at work we would have to recommend restaurants nearby as lunch is typically 30 minutes to a hour. A 30 minute lunch would require take out most likely or quick service. A hour lunch break you could dine in at a local fine dining restaurant. So in a nutshell, user comes to website. Select if they're at home or work, click submit and we will have a random restaurant selected for them to go. If they don't like it they can click retry and a new restaurant can show. The issue I am having is using the API to gather all the restaurants in the US. I know it can be done because there are similiar websites/apps that pull restaurants that are closest to you such as Ness, Alfred, and I believe there's two more but I can't remember the names. Anyone know if this can be accomplish?

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• How to configure what certificates can be issued using Web Enrollment in Windows Server 2008 R2 Enterprise?

  - by antik

  I have a CA installed on of my Windows Servers in a small farm of systems. I've installed the Certification Authority Web Enrollment and Certificate Enrollment Web Service roles on the CA. I want to issue a Computer certificate to a computer not jointed to my domain. The user attempting web enrollment has domain credentials. The user was able to navigate to https://myServerHostname/certsrv and request a User certificate successfully. However, the user needs a Computer cert as well. From the certsrv site, the user tried the following: Advanced Certificate Request Create and Submit a Request to this CA However, the Computer certificate template is not available under the Certificate Template heading. He is only seeing "User" and "Basic EFS". How do I configure the CA to allow him to request a Computer cert for his system?

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• Grant user from one domain permissions to shared folder in another domain

  - by w128

  I have two computers set up like this: \\myPC (local Windows 7 SP1 machine); it is in domain1; \\remotePC (Win Server 2008 with SQL Server - a HyperV virtual machine); it is in domain2. In domain2 active directory, I have a user account RemoteAccount. I would like to give this account full permissions to a shared folder located on \\myPC, i.e. folder \\myPC\SharedFolder. The problem is, when I right-click the folder and go to sharing permissions, I can't add permissions for the domain2\RemoteAccount user, because this user cannot be found - I can only see domain1 users. When I click 'Locations' in "Select users, computers, service accounts, or groups" dialog, I only see domain1. Is there a way to do this?

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• Using a CDN for CMS software (multiple sites)

  - by SmokeyPHP

  I'm currently researching ideas for the media management side of a CMS I'm writing. I was looking at having images served from a CDN which is fine on a single site, but I want all sites that run the CMS to make use of a CDN (which will most likely be a custom developed one, rather than a third party service like S3). My main question is: Is a multi-site CDN a good idea? I can't think of a downside, but have probably missed something - obviously they won't share the same folder, as I invisage the requests to be css.cdnsite.com/example.com/style.css or something along those lines. Having multiple sites in the same place will obviously make it easier for us to manage, as well as being cheaper, but then I wonder if it'll be worth it... Long story short: How should the CMS handle user uploaded media (separate installations) Just keep a local copy of all assets and serve them from the same site, like in days of yore? Keep a local copy, force site to use www. and have CDN subdomains per site? Or use a single separate CDN for all sites? Apologies for the length of this question, not sure if this should be multiple questions or not, as all parts are kind of related and could affect each other.

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• <authentication mode=“Windows”/>

  - by kareemsaad

  I had this error when I browse new web site that site sub from sub http://sharp.elarabygroup.com/ha/deault.aspx ha is new my web site Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS. Source Error: Line 61: ASP.NET to identify an incoming user. Line 62: -- Line 63: Line 64: section enables configuration Line 65: of what to do if/when an unhandled error occurs I note other web site as sub from sub hadn't web.config is that realted with web.config and all subs and domain has one web.config

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• SQL Server 2008 R2 Launch Event - Montreal

  - by guybarrette

  If you’re into SQL Server, you may want to attend the free 2008 R2 launch event that will take place on May 26th, 2010 in Montreal. Agenda: 8:00 - 9:00am : Registration and Breakfast 9:00 – 9:15am:  Welcome and Introductions 9:15 – 10:00am:  Keynote Presentation 10:00 - 10:15am: Morning break 10:15 – 11:45am: SQL Server Presentation 11:45 – 12:45pm: Lunch 12:45 – 1:45pm: Track Session 1 1:45 – 2:45pm: Track Session 2 2:45 – 3:00pm: Afternoon break 3:00 - 4:00pm: Track Session 3 Track Descriptions DBA TRACK Session 1: Ensure Business Continuity with SQL Server 2008 R2,  Windows Server 2008 & Hyper-V Live Migration Session 2: Simplify management of your SQL Server data platform with Multi-server Management Session 3: Deliver unprecedented access to business-critical data at a lower TCO with SQL Server 2008 R2 Parallel Data Warehouse BI TRACK Session1: Enable Managed Self-service BI with Power Pivot for Excel and SharePoint 2010 Session 2: Achieve Rapid Reporting with Reporting Services and Report Builder 3.0 Session 3: Importance of Master Data Management Dev - Visual Studio TRACK Session 1: Developing SQL Applications with Visual Studio 2010 Session 2:Managing Change for SQL Server applications using Team Foundation Server  Session 3: Targeting SQL Azure using Visual Studio   Register here var addthis_pub="guybarrette";

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• Black screen during startup

  - by Juanillo

  Hello, I've got a friend with a weird problem. When he starts his computer the screen is completely black untile the computer is completely started. So the screen is black until it suddenly shows the windows desktop. He said that this is happening since a technical service repaired his computer, but that repairment is not now in warranty. Recently the computer stopped working, but as the screen is black he cannot access to Bios or to secure start-up (by pressing F8). When he inserts the Windows Vista DVD the system doesn't boot from DVD (it musn't be configured in this way in the Bios.) Maybe there´s a problem with the hardware (maybe the graphic card). Can anyone explain a reason why the screen is black during start-up? Any idea of what to do with the computer to restore it? Thanks.

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• I setup vsftpd on ubuntu server on my ec2 instance, how to connect using SSH?

  - by Blankman

  I connect to my ec2 instance using ssh so I don't have to login each time. I just installed vsftpd on the ubuntu server, but when I connect it obviously asks for my username and password. Since I connect using the ubuntu user that my AMI comes with, I don't even know the root password. Is there a way I can login via ftp using SSH? Or do I just create a user on the system for ftp purposes? I've locked ftp to my IP address, and I will shutdown the ftp service once I'm done as I dont need it running 99.99999% of the time.

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• Installing a fake microphone on Windows Server.

  - by Adrian

  My application, that is running on Windows Server (which is an instance on Amazon EC2) requires Skype to be able to make phone calls. The server, of course, does not have a microphone installed and I don't need it to have one, because my application changes the input source to a wav file when the call is established. However, Skype has a strict rule that a microphone must be installed for a call to be made. Thus I want to install a fake microphone that will trick Skype's configuration. So far, I was able to start and run the Windows Sound service, which enabled all of the sound settings. Any ideas are very welcome!

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• Encryption over gigabit carrier ethernet

  - by Roy

  I would like to encrypt traffic between two data centres. Communication between the sites is provided as a standard provider bridge (s-vlan/802.1ad), so that our local vlan tags (c-vlan/802.1q) are preserved on the trunk. The communication traverse several layer 2 hops in the provider network. Border switches on both sides are Catalyst 3750-X with the MACSec service module, but I assume MACSec is out of the question, as I don't see any way to ensure L2 equality between the switches over a trunk, although it may be possible over a provider bridge. MPLS (using EoMPLS) would certainly allow this option, but is not available in this case. Either way, equipment can always be replaced to accommodate technology and topology choices. How do I go about finding viable technology options that can provide layer 2 point-to-point encryption over ethernet carrier networks?

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• How Do I Make A Bash Script for Git Checkin/Checkout?

  - by ServerChecker

  I was thinking of bringing up a git service on an Ubuntu server. However, the way me and another programmer operate -- we really want to try and stick to one person working on a project at a time. How would I make a Bash script to create a check in and check out with git? We want to prevent anyone from checking in code that hasn't already been checked in, and it should error out with the name of the person who has the code checked out. EDIT: I'm not really interested in using Git with its fantastic diff features. I move 100mph and don't have time to play diff games with the other developers. That's why we're using Git. If the other developers want to play the diff game, they can still do so. But when I check something out, I want it locked to everyone until I check it back in again.

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• Scheduled task giving last run result 0x80041324

  - by SteveC

  I've got a scheduled task set up in my Windows 7 machine which is meant to run a BAT file when I'm not around, i.e. the machine has been idle for 15 minutes. Does anyone know how to track down the cause of the error code ? Checked on MSDN and it says ... SCHED_E_TASK_ATTEMPTED 0x80041324 The Task Scheduler service attempted to run the task, but the task did not run due to one of the constraints in the task definition. And to confuse me even further, I've just noticed it has run while I'm at the machine with last result (0x0)

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• Can vCenter 4 authenticate and authorize against a virtual directory server??

  - by iforeman

  Hi I am looking into Identity managment in our environment. We currently use Active Directory and Sun's Enterprise Directory server (6.3). I was wondering if I used the Virtual Directory Server of the Enterprise Directory server, would we be able to point the vCenter clients to this Directory service for authentication and authorization rather than at the AD source. The reason for this is that we have more users we want to add to the management role of this server but not all are in AD, a fair number are in the Sun LDAP v3. directory. Thanks in advance Ian

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