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  • The ‘Coolest’ Server You will Ever See [Video]

    - by Asian Angel
    What is a little bit of snow-covered server between friends, right? From YouTube: This is an experimental Free Air Cooling setup called a Helsinki Chamber. You can learn more about this experimental server cooling technology here. Snow is not a problem for servers in Finland [via Fail Desk] Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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  • Vsftpd (ftp) server drage and drop issuse

    - by user109705
    Hi i have installed and configured ftp server on ubuntu 12.04. vsftpd.Config #anonymous_enable=YES write_enable=YES. when i drag and drops files to the Sever with filezilla, it fails: ****550 Permission denied. Error: Critical file transfer error.**** but when i try to do the same thing to another server on the Internet, it works just fine. I even tried severe times to changes settings in the vsftpd.config file but it had the same problems respectively Help Thnks

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  • Change kernel used by Ubuntu Server on boot

    - by Tim Fountain
    I have a VPS running Ubuntu server 12.04. A while ago, my host installed an alternative kernel (one of Amazon's EC2 kernels) to fix a boot issue I was having. Now, 2 Ubuntu releases later, this kernel (2.6.31-302-ec2) is still being used even though later (3.2.xx) kernels have been installed. How can I make the server use the most recent installed kernel, preferably without just uninstalling the EC2 kernel just in case doing so causes issues?

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  • What is the best workaround for the WCF client `using` block issue?

    - by Eric King
    I like instantiating my WCF service clients within a using block as it's pretty much the standard way to use resources that implement IDisposable: using (var client = new SomeWCFServiceClient()) { //Do something with the client } But, as noted in this MSDN article, wrapping a WCF client in a using block could mask any errors that result in the client being left in a faulted state (like a timeout or communication problem). Long story short, when Dispose() is called, the client's Close() method fires, but throws and error because it's in a faulted state. The original exception is then masked by the second exception. Not good. The suggested workaround in the MSDN article is to completely avoid using a using block, and to instead instantiate your clients and use them something like this: try { ... client.Close(); } catch (CommunicationException e) { ... client.Abort(); } catch (TimeoutException e) { ... client.Abort(); } catch (Exception e) { ... client.Abort(); throw; } Compared to the using block, I think that's ugly. And a lot of code to write each time you need a client. Luckily, I found a few other workarounds, such as this one on IServiceOriented. You start with: public delegate void UseServiceDelegate<T>(T proxy); public static class Service<T> { public static ChannelFactory<T> _channelFactory = new ChannelFactory<T>(""); public static void Use(UseServiceDelegate<T> codeBlock) { IClientChannel proxy = (IClientChannel)_channelFactory.CreateChannel(); bool success = false; try { codeBlock((T)proxy); proxy.Close(); success = true; } finally { if (!success) { proxy.Abort(); } } } } Which then allows: Service<IOrderService>.Use(orderService => { orderService.PlaceOrder(request); } That's not bad, but I don't think it's as expressive and easily understandable as the using block. The workaround I'm currently trying to use I first read about on blog.davidbarret.net. Basically you override the client's Dispose() method wherever you use it. Something like: public partial class SomeWCFServiceClient : IDisposable { void IDisposable.Dispose() { if (this.State == CommunicationState.Faulted) { this.Abort(); } else { this.Close(); } } } This appears to be able to allow the using block again without the danger of masking a faulted state exception. So, are there any other gotchas I have to look out for using these workarounds? Has anybody come up with anything better?

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  • Select the latest record for each category linked available on an object

    - by Simpleton
    I have a tblMachineReports with the columns: Status(varchar),LogDate(datetime),Category(varchar), and MachineID(int). I want to retrieve the latest status update from each category for every machine, so in effect getting a snapshot of the latest statuses of all the machines unique to their MachineID. The table data would look like Category - Status - MachineID - LogDate cata - status1 - 001 - date1 cata - status2 - 002 - date2 catb - status3 - 001 - date2 catc - status2 - 002 - date4 cata - status3 - 001 - date5 catc - status1 - 001 - date6 catb - status2 - 001 - date7 cata - status2 - 002 - date8 catb - status2 - 002 - date9 catc - status2 - 001 - date10 Restated, I have multiple machines reporting on multiple statuses in this tblMachineReports. All the rows are created through inserts, so their will obviously be duplicate entries for machines as new statuses come in. None of the columns can be predicted, so I can't do any ='some hard coded string' comparisons in any part of the select statement. For the sample table I provided, the desired results would look like: Category - Status - MachineID - LogDate catc - status2 - 002 - date4 cata - status3 - 001 - date5 catb - status2 - 001 - date7 cata - status2 - 002 - date8 catb - status2 - 002 - date9 catc - status2 - 001 - date10 What would the select statement look like to achieve this, getting the latest status for each category on each machine, using MS SQL Server 2008? I have tried different combinations of subqueries combined with aggregate MAX(LogDates)'s, along with joins, group bys, distincts, and what-not, but have yet to find a working solution.

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  • Create a WCF REST Client Proxy Programatically (in C#)

    - by Tawani
    I am trying to create a REST Client proxy programatically in C# using the code below but I keep getting a CommunicationException error. Am I missing something? public static class WebProxyFactory { public static T Create<T>(string url) where T : class { ServicePointManager.Expect100Continue = false; WebHttpBinding binding = new WebHttpBinding(); binding.MaxReceivedMessageSize = 1000000; WebChannelFactory<T> factory = new WebChannelFactory<T>(binding, new Uri(url)); T proxy = factory.CreateChannel(); return proxy; } public static T Create<T>(string url, string userName, string password) where T : class { ServicePointManager.Expect100Continue = false; WebHttpBinding binding = new WebHttpBinding(); binding.Security.Mode = WebHttpSecurityMode.TransportCredentialOnly; binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Basic; binding.UseDefaultWebProxy = false; binding.MaxReceivedMessageSize = 1000000; WebChannelFactory<T> factory = new WebChannelFactory<T>(binding, new Uri(url)); ClientCredentials credentials = factory.Credentials; credentials.UserName.UserName = userName; credentials.UserName.Password = password; T proxy = factory.CreateChannel(); return proxy; } } So that I can use it as follows: IMyRestService proxy = WebProxyFactory.Create<IMyRestService>(url, usr, pwd); var result = proxy.GetSomthing(); // Fails right here

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  • Weird FTP issue between Unity Express and Windows Server 2008 FTP

    - by user33975
    My VOIP specialist complained about not being able to run backups of the Unity Express onto our FTP server (Microsoft FTP on Server 2008). I did a packet trace and observed some weird behavior that I think is even kind of funny in a way. The Unity FTP client is able to initiate both control and data connections with no problem, even being able to LIST directories and CWD into them. But as soon as the client sends a SYST command (not sure why it cares), the server replies with "Windows_NT" and lo and behold...the client immediately sends a QUIT command! I've seen this happen consistently on my packet captures. I tried pointing the Unity FTP client to a FileZilla FTP server, and viola...it worked fine! Has anyone else observed this? I thought it was kinda funny, being that Cisco seems to not like Microsoft that much...

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  • Terminal Services printing

    - by Adam
    Hi We are using a hosted terminal server to run some applications on. We have three users who connect to the server through RDP and try to print to a networked printer called: HP Photosmart C7280. One of the users is using Windows XP Pro 32-bit on the host and when they print through the terminal server it works fine. Another one of the users is using Vista 32-bit on the host and when they print through the terminal server it works fine. The third user is using Windows 7 64-bit on the host and when they print through the terminal server it only print the first line of the page (A test page print 3/4s of the test page compared to printing all of the page when using the other 2 machines). We are only printing from Word 2007 and Excel 2007 on all machines. The server is Windows 2003. No errors in the event log. Any ideas?

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  • Login failed--password of account must be changed--error 18488

    - by Bill Paetzke
    I failed to connect to a production SQL server. My administrator reset my password, and told me what it was. SQL Server Management Studio gives me this error: Login failed for user 'Bill'. Reason: The password of the account must be changed. (Microsoft SQL Server, Error: 18488) So, how can I reset my password? I tried terminaling into the server with this account, but it said that account doesn't exist. So I guess it's not a regular server account--just SQL server. (if that helps)

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  • using remote MS Access database which connects to remote SQL server

    - by Manjot
    Hi, We have a Microsoft Access database + application (on Server A) which connects to a remote SQL server (Server B) using System DSN ODBC connection (on Server A) to the SQL database server. The users are open this Access database remotely as it is on a shared location on the server A. They still have to create a local ODBC connection on their computers to connect to Server B. Is there anyway that they can access the Access database and not have to create a local ODBC connection? thanks in advance

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  • Windows Server 2008 DHCP with RRAS

    - by Guillermo Prandi
    I have a Windows Server 2008 R2 which is a member of a domain, but is placed in a remote location. The server is directly connected to Internet. Clients need to access a particular insecure TCP service in this server (ports 9730 and 9731). Since clients have dynamic IP addresses I cannot know in advance, I thought it would be nice to have them connected through a VPN in order to access the insecure service, but ONLY to access that service, like this: Client ------> VPN TUNNEL ------> (Insecure service at Server) | \----> (Normal internet access) I'd enable the insecure ports in the firewall only from VPN accesses. For this I configured RRAS in the server and gave it a static IP address range (172.19.1.2 through 172.19.1.254) to serve the clients. First I thought I could use DHCP to assign the addresses, but I cannot use DHCP in my LAN connection (not allowed by the hosting service). I tried configuring DHCP binding it to a Microsoft Loopback Adapter, but that's not supported as a DHCP source by RRAS. What I want to accomplish is to send specific DHCP options to the client (network mask, routing table, etc.). In particular: Prevent the client from having the server as default router (without changing the client's "use default gateway in remote network"). Have it as a route for the server's internal RRAS address only (172.19.1.1). Prevent the client from using a 255.255.0.0 mask for the 172.19.x.x network (a 255.255.255.0 mask would be better). Can I do that with RRAS only? How? Currently, the only solution I can think of is to use DHCP in the LAN adapter, but filter DHCP packets so they don't reach the provider's network. However, I'm not sure if that will work. Any suggestions are welcomed! Guille

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  • ASP.NET MVC2: Client-side validation not working with Start.js

    - by Shaggy13spe
    Ok, this is strange. I would hope it's something I'm doing wrong and not that MS has two technologies that simply don't work together. (UPDATE: See bottom of post for Script tag order in HEAD section) I'm trying to use the dataView template and client-side validation. If I include a reference to: <script src="http://ajax.microsoft.com/ajax/beta/0911/Start.js" type="text/javascript"></script> by itself, the dataview template works fine. but if I put in the following references: <script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.min.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcValidation.js" type="text/javascript"></script> then I get the following error: > Error: Type._registerScript is not a > function Source File: > http://ajax.microsoft.com/ajax/beta/0911/MicrosoftAjaxTemplates.js > Line: 1 and: > Error: Sys.get("$listings") is null > Source File: > http://localhost:12370/Listings Line: > 76 Here's the code calling the dataview: $(document).ready(function () { LoadMap(); Sys.require([Sys.components.dataView, Sys.scripts.jQuery], function() { $("#listings").dataView(); Sys.get("$listings").set_data(listings.Data); updateMap(listings.Data); }); }); I would really appreciate any help with this one. Thanks! UPDATE: I've tried moving around the order of the last 4 script tags, but to no avail.

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  • RDP access to DirectAccess Server via DirectAccess

    - by crgnz
    I have just setup a Win2008R2 DirectAccess server (and also a Win2008R2 Active Directory server). From the Internet I can Remote Desktop login to the AD server, but I cannot RDP into the DirectAccess server. I can PING both servers and get an IPv6 response. (I can RDP to the DirectAccess server from the internal company network) DirectAccess is configured to allow full intranet access. I think I've hit a mental block, the answer will probably be obvious, but I just can't see it.

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  • Access to SQL Server when administrator account deleted

    - by Shiraz Bhaiji
    An interesting situation here. We have a database server, used for testing only, where someone went in and deleted the administrator login. Since this is a test server the was no other admin level login on the server. Is there a way to get access to the server again without reinstalling SQL Server? We do not need the data in the databases, these are droped and recreated everytime the tests are run.

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  • DBCC SQL Server 2000 sysindexkeys

    - by Debasish Pramanik
    I have a SQL Server 2000 database. When I run the following command select * from sysindexkeys This display the appropriate records. I then do a DBCC command for the sysindexkeys. It doesn't display anything. Strange there is no page having the sysindexkeys records. Then how the query display the list of records.

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  • 'The default schema does not exist' on deploy of SQL CLR assembly onto SQL Server 2008

    - by abatishchev
    I'm deploying an example SQL CLR stored procedure which has a SQL CLR type as parameter using Visual Studio 2008 and menu Project -> Deploy. public partial class StoredProcedures { [Microsoft.SqlServer.Server.SqlProcedure] public static void TakeTariff(TariffInfo tariffInfo) { } } public class TariffInfo { public SqlDecimal Amount { get; private set; } } but getting next strange error: The default schema does not exist. How can I fix that? My user was created this way: CREATE USER myUser FOR LOGIN myLogin_mod WITH DEFAULT_SCHEMA = mySchema

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  • Where should executables be run from? Network share or client?

    - by user74150
    We have an executable that is used by 50+ client machines on a network and upgraded regularly. Is it acceptable to put the executable on a network share and have the client machines run it from there via a shortcut on their desktop? That way when we upgrade the .exe we can simply replace the one file with a new one and all clients will be accessing the new one. How will a slow or unstable network handle this? If this is not acceptable, what would be the best way to keep all clients updated with the latest .exe?

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  • Re-starting SQL Server and OS restarting

    - by rem
    Some manipulation with SQL Server require re-starting SQL Server after that. If we restart operation system, does this always mean that we restart SQL Server also (it seems evident that it is so, but just in case I ask to be sure)? Or there could be situation when we should do it explicitely for example by context menu choosing "Restart" in SQL Server Configuration Manager? I.e. could it be necessary for something to restart SQL Server while OS is working?

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  • SQL Server: pulling and updating local data

    - by SDReyes
    Hi guys, I have two SQL Server 2008 databases called Anna and Bob. Bob has to pull and transform data from Anna to keep updated his tables. Ideally Bob will be always synchronized with Anna, but some delay would be acceptable. What is the best way to do this? Thanks in advance.

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  • How can access files on shared drive from Windows 2008 server configured with SFTP

    - by communicator
    I have installed OpenSSH on my windows 2008 server by following the user guide here . Now I have some files on windows network share with UNC path as \\corp\test\testdata I want map this file system on network share to my windows 2008 server which is configred with SFTP so that I can access these files from my Java Program by doing SFTP to windows 2008 server.Is there anyway I can map the network share to C or other drive in server so that all the files on the share will be available as local files on the server?

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  • Log internet requests made by vpn client

    - by Adam Schiavone
    How can I log the requests that people make to the internet when they are connected to my VPN? If one of them does something illegal, I need to be able to prove that it was not me, but a VPN client. This really is a just in case type thing. So, I want to be able to see the details (server, port, domain name, and time connected) in a file somewhere. Does windows offer this with its PPTP VPN service, or is there 3rd party software to do this (Free is better)? EDIT I have setup accounting, but that does not seem to tell me what I am looking for. Could someone comment on what accounting does? EDIT 2 Maybe I should heve been clearer. My system is running windows server 2008 r2 and using the stock VPN software (PPTP)

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  • How to properly shutdown a Linux VMware Server Host

    - by Mikee
    Hi Everybody: In our lab, we have a server running Ubuntu Linux 8.04.4 x64, with VMware Server 2.1 hosting 4 VM's. I have a major concern with regards to shutting down the host server. Mostly, how do I ensure that the guest VM's are being shut down safely? In the VMware web interface console, I have enabled: "Allow virtual machines to start and stop automatically with the system" I enabled the Default Startup Delay for 15 seconds along with the "Start next VM immediately if the VMware Tools start" option checked I enabled the Default Shutdown Delay with a 60 second shutdown delay and a Shutdown Action of "Shut Down Guest" All VM's have the VMware Tools installed and properly working. All VM's are moved up into the "Specified Order" section of "Startup Order", thus when powering the server back on, all those VM's should start up again in that specified order. When I went to shut down the server, I used the shutdown -h now command. Based on the settings I entered above, I was expecting a 4 minute shutdown, as there is an option to delay the shutdown of each VM by 60 seconds. However, that is not what happened. Instead, the server shutdown in under a minute. When I powered the server back on, only 2 VM's properly loaded. The other 2 showed the following error: "Power on Virtual Machine" failed to complete If these problems problems persist, please contact your system administrator. Details: Cannot open the disk '[location to .vmdk]' or one of the snapshot disks it depends on. Reason: Failed to lock the file. Obviously, if this error occured, then it is clear to me that the VM's were not properly shutdown, or the server powered off before the VM's were completely shutdown. I have fixed the above error by deleting the .lck files in the respective VM directories. How would I know if the VM's were properly shut down? I checked the VMware-server logs, but they only seem to display the logs of when the vmware-mgmt service is running in the current session. I'm mostly running Linux VM's, so is there an easy way to know whether or not a server was properly shut down in Linux? Thank you all for the help!

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