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• SFTP is not connecting to remote server

  - by Crono15

  $ sftp -vvv Remote_IP Connecting to Remote_IP... OpenSSH_5.2p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration data /etc/ssh_config debug2: ssh_connect: needpriv 0 debug1: Connecting to Remote_IP [Remote_IP] port 22. debug1: connect to address Remote_IP port 22: Operation timed out ssh: connect to host Remote_IP port 22: Operation timed out Connection closed I set up an account for SFTP only access with a chroot. I tested that on the server and it works fine. The problem is, I could not get remote SFTP access to the server to work right. The example above is what I keep on running into. I have been trying to figure out how to solve this problem for 2 days now. I am not sure if it have to do with /etc/ssh/sshd_config. Is it something that I am not aware of? I am hoping that you could help point me to the right place for this issue.

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• mytop: least privileges required to run it?

  - by STATUS_ACCESS_DENIED

  What is the minimum set of privileges that mytop requires in order to work, without actually requiring super-user privileges. I feel uncomfortable with the fact that I have to save the password in the configuration file (the less desirable alternative would be the command line), so I want to minimize the impact, should someone get to see the password. The password will still be used only in this one place, but I would prefer to not give unneeded privileges to the (MySQL) user mytop is running as. The mytop documentation doesn't mention any of that and all examples assume root.

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• Hardware Acceleration on Windows Server 2008

  - by user1184598

  Does Windows Server 2008 have hardware acceleration? I tried to use WPF to make over 20,000 drawings. It only cause around 40% CPU in windows 7. However, I run the same program on Windows Server 2008 with the same hardware configuration except that it has a dedicated graphical display card (GT 9500) while Windows 7 has only an onboard display card, it cause over 80% CPU. So, does Windows Server 2008 have hardware acceleration? Or could I make it? And how do I change the hardware acceleration setting? Thanks.

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• Strange messages on new Dell Workstation during bootup

  - by dan99t

  I recently installed Windows 7 Ultimate on a new Dell T-7500 Workstation, and am seeing some strange messages on the screen: Dell SAS 6 Host Bus Adapter BIOS MPTBIOS 6.22.03.00 ( 2008.08.06 ) Initializing….. Press Ctrl – C to run SAS Configuration Utility Searching for Devices at HBA 0….. Dell MPT Boot ROM Successfully installed Then it loads Windows 7. All of above happens on its own, I don't touch anything. So what is going on & what do I have to do get rid off those initializing commands ? I have never had this happen to any previously owned Dell systems. Also I haven't installed any drivers yet but Sound, Video & Internet does work. Do I need to install any additional drivers?

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• Error during access to .ashx page in IIS 7 on windows 2008

  - by Rodnower

  Hello, I have web site on IIS 7 on Windows 2008, when I try to access the "page" (that correctly bound to namespace in web.config) I get error: "The required page cannot be accessed because the related configuration data for the page is invalid". Very important to say that on windows 7 I have this working. May be this is because I don't see ASP.NET area in management window? If yes, can yo tell me how I install ASP.NET on IIS 7 on windows 2008? Thank you for ahead.

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• should the same machine key be used in development and production environments?

  - by Henry Troup

  Our production servers all have the same machine key. However, our production and development systems do not have identical machine keys. We get heaps (about one per second) of exceptions of the form System.Security.Cryptography.CryptographicException: Padding is invalid and cannot be removed. at System.Security.Cryptography.RijndaelManagedTransform.DecryptData() at System.Security.Cryptography.RijndaelManagedTransform.TransformFinalBlock() at System.Security.Cryptography.CryptoStream.FlushFinalBlock() at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData() at System.Web.UI.Page.DecryptStringWithIV()... We deploy the code after a build, .cs source is not present on production. aspx files are present on production. (Should I have posted in Stack Overflow? It's not a coding question.) From experimentation, we've found using the dev machine key value causes the exceptions to go away. Does anyone have documentation that I can use with the security team on the need for identical keys at compile and deployment time?

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• Auto-detect proxy settings on network

  - by Ali Lown

  I am having problems trying to run web browser software on the local network through the proxy. When running off the profile drive which is on a network share, the system is unable to auto-detect proxy settings. When running off the local C drive, the browsers are able to correctly autodetect the settings. The error from the browser is about it being unable to fetch the proxy configuration file. Is this some form of authentication preventing it retreiving the settings when running of the network location? PS. Would this be better off on superuser?

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• How to remove package from apt-get autoremove "queue"

  - by Darth

  I just installed Calibre for ebook management via apt-get on Ubuntu 10.04, however I found out that it's one major version behind the current release, so I decided to reinstall it directly from sources. When I uninstalled the packaged version, apt added bunch of dependencies to the autoremove queue, and as I installed newer version of Calibre from sources, it has no knowledge of it being dependent on those packages. Now I basically have all libraries that I want, but they are still in the autoremove queue. The following packages were automatically installed and are no longer required: libqt4-script libqt4-designer libqt4-dbus python-lxml python-cherrypy3 python-encutils libqt4-xmlpatterns libqt4-help python-qt4 python-clientform python-sip python-django python-mechanize libqt4-svg python-django-tagging libphonon4 libqt4-xml libqt4-assistant libqt4-webkit libqt4-scripttools python-beautifulsoup python-pypdf python-dateutil python-cssutils Use 'apt-get autoremove' to remove them. How do I tell apt that I want to keep these packages installed, without reinstalling them manually?

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• unable to get local issuer certificate - Ubuntu 11.04

  - by user1443867

  I'm facing a strange issue. My vps from Linode has no issue connecting to apple push server with following command. openssl s_client -connect gateway.sandbox.push.apple.com:2195 -cert Test_dev_apns_cert.pem -key Test_dev_apns_key.pem However, I was using the same pem files with above command testing from my another low budget vps and I'm getting this: Verify return code: 20 (unable to get local issuer certificate) Both are running Ubuntu 11.04 and installed LAMP as usual. No special configuration is done to both servers for SSL. Am I missing something here?

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• Windows Server 2008 R2 Apache 2.2 PHP 5.3.3 install problem

  - by Tupak Goliam

  I am trying to install Apache 2.2 and PHP 5.3.3 on a Windows Server 2008 R2 box. I've managed to setup Apache, but PHP is not working correctly: I've downloaded the latest zip from windows.php.net (VC6) and I've modified http.conf in order to load the php5 module (LoadModule, AddType & PHPIniDir). So far, so good - phpinfo() is showing and I am happy... But, there is no php.ini file - I haven't yet renamed the bundled php.ini-development|php.ini-production file. If I do so (in order to modify PHP's configuration), no php code is interpreted (including phpinfo()). I've gone over the entire php.ini-development file and still it is not working... This is very strange. Any help is welcome, Thanks in advance.

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• Synergy: server refused client

  - by Tom

  I am trying to get Synergy up and running from a new Windows 7 computer, to an XP computer. The Synergy installations seemed to go fine. I configured each to start on start-up, which they seem to, but the client won't connect. I get repeated: "server refused client with our name" messages in the log output. The Synergy FAQ says to "Add the client to the server's configuration file." But I can't seem to find an instruction set on how to do this. I've looked and looked, but I'm lost...

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• HP DL580 G5 Hyper-V networking problem

  - by mr-perfect

  Hi I have installed the hyper-v role on a DL580 G5 cluster. The host operating system is a server 2008 x64 patched to the maximum. Everything has gone fine, but if I install a guest operating system, actually a windows server 2008 x64 I can't reach the network from it. It send many packets, but don't received any, so I can't ping the external network as well. I have installed the latest drivers to the server and unintalled the network configuration utility from the physical server, but no luck. I added a legacy adapter to the guest binded to the same phisycal adapter on the host machine but it can't help Any idea welcome...

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• Network Access via Terminal

  - by HamdiKavak

  I have a weird problem. Here is my configuration. I installed VirtualBox on Windows 7 PC. I installed Ubuntu 10.04 on VirtualBox. I installed many programs via terminal and I can still install. My browser can connect to internet. But I cannot ping any website e.g. google.com. I cannot download anything from git.I can only ping 192.168.1.1 that is all. What would be the reason guys? UPDATE I can ping with another internet connection which I use in office.

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• Regarding Reinstalling PostgreSQL

  - by Vivalavista

  I was using PostgreSQL 8.4. I tried removing it through Synaptic Manager and then I tried to install 9.1, but I still version 8.4. I deleted all the files associated with postgresql. Now I am unable to install any version of PostgreSQL. When I try I get this error: Setting up postgresql-9.1 (9.1.3-1~lucid) ... .: 12: Can't open /usr/share/postgresql-common/maintscripts-functions dpkg: error processing postgresql-9.1 (--configure): subprocess installed post-installation script returned error exit status 2 dpkg: dependency problems prevent configuration of postgresql: postgresql depends on postgresql-9.1; however: Package postgresql-9.1 is not configured yet. dpkg: error processing postgresql (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: postgresql-9.1 postgresql E: Sub-process /usr/bin/dpkg returned an error code (1) Please tell me the way to remove postgres completely so I can install a fresh version.

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• SQL Server 2012 Memory Manager KB articles

  - by SQLOS Team

  Since the release of SQL Server 2012 with a redesigned memory manager, a steady stream of KB articles have been produced by CSS to provide guidance on the new or changed options, as well as fixes that have been published..   How has memory sizing changed in SQL 2012? 2663912 Memory configuration and sizing considerations in SQL Server 2012 - http://support.microsoft.com/default.aspx?scid=kb;EN-US;2663912     Setting "locked pages" to avoid SQL Server memory pages getting swapped has been simplified, particularly for Standard Edition, the details can be found here: 2659143 How to enable the "locked pages" feature in SQL Server 2012 - http://support.microsoft.com/default.aspx?scid=kb;EN-US;2659143   Note the following deprecation (particularly relevant for 32-bit installations): 2644592 The "AWE enabled" SQL Server feature is deprecated - http://support.microsoft.com/default.aspx?scid=kb;EN-US;2644592   Note the following fixes available: 2708594 FIX: Locked page allocations are enabled without any warning after you upgrade to SQL Server 2012 - http://support.microsoft.com/kb/2708594/EN-US 2688697 FIX: Out-of-memory error when you run an instance of SQL Server 2012 on a computer that uses NUMA - http://support.microsoft.com/kb/2688697/EN-US Originally posted at http://blogs.msdn.com/b/sqlosteam/

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• Oracle parameter array binding from c# executed parallel and serial on different servers

  - by redir_dev_nut

  I have two Oracle 9i 64 bit servers, dev and prod. Calling a procedure from a c# app with parameter array binding, prod executes the procedure simultaneously for each value in the parameter array, but dev executes for each value serially. So, if the sproc does: select count(*) into cnt from mytable where id = 123; if cnt = 0 then insert into mytable (id) values (123); end if; Assuming the table initially does not have an id = 123 row. Dev gets cnt = 0 for the first array parameter value, then 1 for each of the subsequent. Prod gets cnt = 0 for all array parameter values and inserts id 123 for each. Is this a configuration difference, an illusion due to speed difference, something else?

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• dhcpd: varying vendor-class-identifier

  - by jessicah

  I'm having trouble selectively sending parameters in response to a DHCP Inform packet using groups (or even without, just using host declarations) for bootp stuff. My configuration file right now looks like: subnet 130.123.131.128 netmask 255.255.255.128 { allow unknown-clients; } host dev-mac-09 { option vendor-class-identifier "example-identifier"; hardware ethernet 10:9a:dd:51:ff:83; } If I put vendor-class-identifier in the global scope, using tcpdump I can see that the client receives the vendor class option successfully. If I take it out, and just keep it in the host scope (or group scope), the client never receives the option. Specifying option dhcp-parameter-request list 60 doesn't help either. I did try using a class definition inside a group, but then it applied even if the host wasn't a part of the group. As an aside, how do I get detailed logging? At least something to indicate what groups and things got used to generate the response to the client.

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• VS2012 - How to manually convert .NET Class Library to a Portable Class Library

  - by Igor Milovanovic

  The portable libraries are the  response to the growing profile fragmentation in .NET frameworks. With help of portable libraries you can share code between different runtimes without dreadful #ifdef PLATFORM statements or even worse “Add as Link” source file sharing practices. If you have an existing .net class library which you would like to reference from a different runtime (e.g. you have a .NET Framework 4.5 library which you would like to reference from a Windows Store project), you can either create a new portable class library and move the classes there or edit the existing .csproj file and change the XML directly. The following example shows how to convert a .NET Framework 4.5 library to a Portable Class Library. First Unload the Project and change the following settings in the .csproj file: <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> to: <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable \$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" /> and add the following keys to the first property group in order to get visual studio to show the framework picker dialog: <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB}; {FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>   After that you can select the frameworks in the Library Tab of the Portable Library:   As last step, delete any framework references from the library as you have them already referenced via the .NET Portable Subset.     [1] Cross-Platform Development with the .NET Framework - http://msdn.microsoft.com/en-us/library/gg597391.aspx [2] Framework Profiles in .NET: http://nitoprograms.blogspot.de/2012/05/framework-profiles-in-net.html

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• How to share media stored in an attached drive using Windows Media Player?

  - by David

  We've got a Windows 7 PC with a Windows Media Player music library that includes both files on the internal hard drive and files on a USB-attached hard drive. When we browse this library from another Windows Media Player (on another Windows 7 machine) we see only the files residing on the library host's internal drive. The files residing on the attached drive don't show up at all, yet on the host they appear undistinguished within the library. Is there a configuration change we can make to cause the attached files to be shared properly? We've turned on read-sharing for "Everyone" on the USB drive, but that hasn't helped. Also it might be worth noting that this issue behaves the same way for us if the client machine is a Playstation 3.

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• Can't connect to wireless router anymore due to data rate problem

  - by Jay White

  I was playing around with my wireless router, and switched the mode to a fixed mode B. Now< I can no longer assoicate to the AP. Windows does not give any particular error message, but with wireshark I see that the returned error is that the client does not support the necessary data rate. My wireless card is type n, and it is set to mode a/b/g compatible. I tried setting ot to just b, however this made no difference. How can I set the data rate of my card so that I can connect again to my AP? I would prefer not to just reset the device, as there has been some configuration done that would be a pain to redo, and as well I do not have the ISP password handy. Regardless I would like to understand this situation better.

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• How do I manage the technical debate over WCF vs. Web API?

  - by Saeed Neamati

  I'm managing a team of like 15 developers now, and we are stuck at a point on choosing the technology, where the team is broken into two completely opposite teams, debating over usage of WCF vs. Web API. Team A which supports usage of Web API, brings forward these reasons: Web API is just the modern way of writing services (Wikipedia) WCF is an overhead for HTTP. It's a solution for TCP, and Net Pipes, and other protocols WCF models are not POCO, because of [DataContract] & [DataMember] and those attributes SOAP is not as readable and handy as JSON SOAP is an overhead for network compared to JSON (transport over HTTP) No method overloading Team B which supports the usage of WCF, says: WCF supports multiple protocols (via configuration) WCF supports distributed transactions Many good examples and success stories exist for WCF (while Web API is still young) Duplex is excellent for two-way communication This debate is continuing, and I don't know what to do now. Personally, I think that we should use a tool only for its right place of usage. In other words, we'd better use Web API, if we want to expose a service over HTTP, but use WCF when it comes to TCP and Duplex. By searching the Internet, we can't get to a solid result. Many posts exist for supporting WCF, but on the contrary we also find people complaint about it. I know that the nature of this question might sound arguable, but we need some good hints to decide. We're stuck at a point where choosing a technology by chance might make us regret it later. We want to choose with open eyes. Our usage would be mostly for web, and we would expose our services over HTTP. In some cases (say 5 to 10 percent) we might need distributed transactions though. What should I do now? How do I manage this debate in a constructive way?

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• how to pass traffic for port 80 not through openvpn?

  - by moti

  Is there a way to configure OpenVPN clients to route traffic for HTTP port 80 and HTTPS port 443 directly (i.e. not through the VPN), but through the regular default gateway the clients have. All other traffic should go through the VPN. My client is running OpenVPN on Windows and my current configuration looks like this: client dev tun proto tcp remote my-server-2 1194 resolv-retry infinite nobind persist-key persist-tun ca ../keys/ca.crt cert ../keys/client1.crt key ../keys/client1.key ns-cert-type server verb 3 route-metric 1 show-net-up dhcp-renew dhcp-release route-delay 0 120 hand-window 180 management localhost 13010 management-hold management-query-passwords management-forget-disconnect management-signal auth-user-pass

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• When Citrix desktop disconnects SAP Client holds session and can't log back in

  - by Stradas

  We have a fairly large Citrix implementation and have just pushed out SAP desktop client to all of the desktops. Everything else is working fine except the following problem: If a user Disconnects their session and the session is running the SAP client, (logging off works fine) the user can not reconnect and log back in. We have a script on the server that terminates the session as a work around. We can see on the server that it is the SAP client that is holding on and running. This is at a large office, but the SAP servers are in another hemisphere. As is the custom Citrix says its SAP and SAP says it is Citrix. I don't like using a powershell script as a substitute for a system configuration solution.

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• Event SRV error 2012 in Windows Server 2008 R2

  - by Natkeeran

  Error Warning "Event SRV error 2012 in Windows Server 2008 R2" is being logged with increasing frequency. NIC drivers were updated recently. There are some drops in the switches. This is the error: SRV 2012 While transmitting or receiving data, the server encountered a network error. Occassional errors are expected, but large amounts of these indicate a possible error in your network configuration. The error status code is contained within the returned data (formatted as Words) and may point you towards the problem.

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• Ubuntu Server on Proliant ML350 G4

  - by eduardoavdr

  Hi Everyone, I have been given the task to change OS of a HP Proliant ML350 G4 server, and I decided to use Ubuntu server edition for that matter. The thing is that the server has already installed Windows server 2000 on the only Hard drive it has (SCSI). My question is, could I install an IDE HD on the IDE connection it has and install ubuntu without overwritting the boot configuration, so if I wanted to go back to the windows 2000 server installation with no problems? It also has a tape drive which is used for backups. Do you guys know how buntu deals with such devices? Thanks for your time

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