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• dynamic routing between openvpn tunnels

  - by pQd

  i'm thinking about using dynamic routing [ OSPF or RIP ] via OpenVPN tunnels. right now i have few offices connected in full mesh, but this is not scalable solution as we add more locations. i would like to avoid situation when plenty of internal traffic is affected if one of two vpn termination points that i plan to use is down. do you have similar configuration working in production? if so - what routing daemon did you use - quagga? something else? did you encounter any problems? thanks!

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• Potential annoyances of tab delimited Python source?

  - by user86432

  I want to start a new project, and I want this to be my first Python project. I was looking through the style guide, http://www.python.org/dev/peps/pep-0008/, which "strongly recommends" using a 4-spaces indentation style for new projects. But I just hate this idea! In my opinion, tabs are better for this purpose. What annoyances could crop up one day if another developer wanted to work on my tab-delimited files?

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• Varnish VCL Reload Fails After Adding Second Backend

  - by Andy

  I have been running Varnish on my production server successfully for several weeks now. Now I'm trying to configure Varnish to use a second backend for certain requests. My original working VCL (/etc/varnish/default.vcl) begins like this: backend default { .host = "127.0.0.1"; .port = "8080"; } ...rest of VCL... And I'm changing it to: backend default { .host = "127.0.0.1"; .port = "8080"; } backend backend2 { .host = "12.34.56.78"; .port = "80"; } ...rest of VCL... When I reload the VCL file, I get the following: Command failed with error code 106 Failed to reload /etc/varnish/default.vcl. Any idea what the error could be, or how I can get more information on the problem?

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• MOSS 2007 SP2 - Error while provisioning SSP.

  - by Tim

  This is a brand new installation I am trying to provision the first SSP for MOSS and I keep getting the following error: (Provisioning failed: A transport-level error has occurred when receiving results from the server. (provider: TCP Provider, error: 0 - The semaphore timeout period has expired.)) The error also keeps appearing in the Application Event Log as event ID 7888. Google searches tell me its a connection between the Sharepoint server and the SQL server however, this is a production SQL Server which has several databases on it that do not experience any problems. These databases also include the Central Admin and Web Application databases for Sharepoint which are all working fine. Any guidance would be greatly appreciated. Thanks in advance.

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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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• install ejabberd on amazon

  - by cometta

  Hi, I app-get and success install ejabberd on amazon , mounted esb drive as /dev/sda , but then, i terminated the image and fire any new 'same image', attached my esb drive , all my previous installation was lost. anyway to persist my installation or files i added to the os?

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• ASP.NET Web Server Hardware Configuration

  - by Santa Te Banta

  I'm planning on deploying my ASP.NET Web app in the production environment using a Windows Server 2003 machine. But I know nothing about the CPU brand names and what's best. I know 4 GB RAM, with anything over 3 GHz clock speed will be a good bet and will serve a large number of users. But tell me what's the latest and greatest processor brand-names for running a Windows Server 2003 OS today? And what edition of the Windows 2003 Server do I need out of the following, if I have to run a website to support about 100,000 (a hundred thousand) users, 60% of who are expected to be online at all times? Web Edition Standard Enterprise Datacenter source: http://en.wikipedia.org/wiki/Windows_Server_2003 The article says that the Web edition can only support up to 2 GB of RAM. Will that be sufficient for the above user population?

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• RHEL 5.x SCSI Driver .img update for initrd.img

  - by zmische

  I have production DB server (RHEL 5.1) with LSI Megaraid driver loaded during setup via DUD (Driver Upd Diskett). Now I'd like to update kernel and other packeges to 5.4 version. I also downloaded new LSI SCSI driver (megasr-13.11.0922.2009-1-rhel50-u4-all.img ). Could you explain the necessary steps to make this driver visible on boot for new kernel (lets assume, that I've already update kernel to 5.4)? I read the article on Redhat - "How do I add a driver to the initrd.img". Does it contain all the steps I need? Thanks in advance!

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• Getting Android drivers to work on Windows 8 Community Preview

  - by mdkess

  I made a post about this on android.stackexchange.com, and they referred me to here. I have an HTC Flyer and a Motorola Droid X, and for both, I've been unable to connect to USB debugging to do Android development. With the Motorola Droid X, the MotoHelper installer won't run, saying that I'm running an Unknown OS Version. With the HTC Flyer, HTC's Sync software installs successfully, but again the device doesn't connect. I realize that this is beta software, but is there anything that I can do to get this working? I've been relying on switching back to my laptop running Linux to test out my Android builds on the device. Of course, I'm not in any production environment - just playing around with the new OS, but not being able to write code on it makes less fun.

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• RAIDZ vs RAID1+0

  - by Hiro2k

  Hi guys I just got 4 SSDs for my FreeNAS box. This server is only used to serve a single iSCSI extent to my Citrix XenServer pool and was wondering if I should setup them up in a RAIDZ or a RAID 1+0 configuration. This isn't used for anything in production, just for my test lab so I'm not sure which one is going to be better in this scenario. Will I see a major difference in speed or reliability? Currently the server has three 500GB Western Digital Blue drives and it's dog slow when I deploy a new version of our software on it, hence the upgrade.

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• Asp.NET MVC Areas

  - by RailRhoad

  So we finally got "areas" in our ASP.NET MVC framework! I'm able to get them up and going but one thing that bothers me is the amount of development servers it instantiates! So I currently have 6 areas, and when I run it I get 6 dev server instances running. Is this really necessary? MSDN is having me setup these areas as seperate web apps, couldn't we get these down into class libraries somehow?

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• vb classic coder to android how to transition?

  - by user366654

  Hi guys. I'm a VB/vba coder and would like to start android dev. Currently I'm learning Java from scratch and. Its quite tough. I've read about oop but never actually written any OO code. Java syntax is also quite foreign but I'm getting the hang of it. My question is, which is absolutely the best transition path for a vb old dog to writing for froyo?

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• Examples of Dynamics AX 2009 programming?

  - by Sam

  I'm just learning to program Dynamics AX 2009. So far I got the dev system running, I got some background about the architecture. Now I'm looking for some walkthrough-samples to learn more about programming in this system. Are there some samples available online? Can someone point me to some learning help? Maybe to some good AX-programming related blogs? How did you learn to program DAX9?

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• Broadcom NIC Teaming with Hyper-V R2

  - by Brian McCleary

  I have read a few contradictory articles regarding support or at least configuration with teaming of Broadcom NIC's and Hyper-V. I have a pair of Dell R805's with 4 Broadcom 5708 NIC's in them. I have teamed them up (one team for public connections and one for private connections) and I have installed Hyper-V. I am getting some intermittent connection issues though and I'm concerned that it might be due to the teaming. Basically I am wondering if anyone has successfully setup NIC teaming in the parent partition and used the teamed adapters through the Hyper-V switch. If so, what is the configuration/proper steps that you used to configure this. I have the server running Windows Server 2008 R2. Right now the server is in test mode, but my concern is that we won't see any issues until we move it into production and get some heavy traffic on the ports.

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• generateUrl problem

  - by Daniel Hertz

  I am trying to generate a url but I keep getting a strange warning even though it works. I am making an api xml page and I use the following call in the controller: public function executeList(sfWebRequest $request) { $this->users = array(); foreach($this->getRoute()->getObjects() as $user) { $this->users[$this->generateUrl('user_show', $user, true)] = $user->asArray($request->getHost()); } } The user_show route is as follows: # api urls user_show: url: /user/:nickname param: { module: user, action: show } And the xml outputs as follows: <br /> <b>Warning</b>: array_diff_key() [<a href='function.array-diff-key'>function.array-diff-key</a>]: Argument #1 is not an array in <b>/opt/local/lib/php/symfony/routing/sfRoute.class.php</b> on line <b>253</b><br /> <br /> <b>Warning</b>: array_diff_key() [<a href='function.array-diff-key'>function.array-diff-key</a>]: Argument #1 is not an array in <b>/opt/local/lib/php/symfony/routing/sfRoute.class.php</b> on line <b>253</b><br /> <br /> <b>Warning</b>: array_diff_key() [<a href='function.array-diff-key'>function.array-diff-key</a>]: Argument #1 is not an array in <b>/opt/local/lib/php/symfony/routing/sfRoute.class.php</b> on line <b>253</b><br /> <?xml version="1.0" encoding="utf-8"?> <users> <user url="http://krowdd.dev/frontend_dev.php/user/danny"> <name>Danny tz</name> <nickname>danny</nickname> <email>[email protected]</email> <image></image> </user> <user url="http://krowdd.dev/frontend_dev.php/user/adrian"> <name>Adrian Sooian</name> <nickname>adrian</nickname> </user> </users> So it outputs the correct xml but I do not know why it throws thows warning when calling the generateurl method. Thanks!

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• Google App Engine + AdWords API: java.lang.NoClassDefFoundError: javax/xml/soap/SOAPException

  - by Konrad

  Hi all, I know a lot so far about this exception. But I am wondering, if any of you tried to use AdWords API on GAE. AdWords uses Axis as underlying WS library, which do not work on GAE and unfortunately I cannot find solution to make it working. I tried already this: http://dev.bizo.com/2009/04/calling-soap-web-services-on-google-app.html Does any of you know if there is a way to use AdWords API on GAE with Java? Thanks in advance for any help Konrad

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• How to install specific version of MySQL?

  - by user85569

  I installed from the repo, 5.0.77... including setup of PowerDNS (and the backend for MySQL). I tried setting up replication from my Master (which is MySQL 5.1.53) but it didn't work even though there were no errors, nothing got replicated. So the last resort is to try the same MySQL version on both the master and the slave (nb, only the slave has pdns installed) How would I go about installing MySQL 5.1.53? I tried downloading the rpm from MySQL (obviously the wrong one, didn't even include the mysql command to shell into the databases), but in turn fucked up the dependencies for pdns' mysql backend. I have the atomic repo which will install MySQL 5.5 (both on my Master server and Slave), but I don't want to do a major upgrade on the master right now as it's in production. Would love some advice!

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• Restored Domain Controller does not display any information using dcdiag command

  - by dasko

  I am testing restoring a domain controller from system state backup to different hardware in a non production environment as a sanity check for our restoration procedure. When i run the dcdiag command I get "blank info back" and all that is displayed are two lines as follows: Domain Controller Diagnosis Performing initial setup: and then I am returned to the command prompt. Even when I do dcdiag /v i get the same result. I have double checked the DNS settings and Active Directory works properly. All FSMO roles are being held by this restored Domain Controller. I am able to join test pc's to the domain without issue etc Is this a common issue or is there something that I am missing. Thanks.

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• How to get IIS7 to release a locked file?

  - by Jarrod Dixon

  During our production builds, a very large (10 megabyte) static content file in the root directory will sometimes be locked by IIS and cannot be deleted by the clean task. This is presumably because it is being actively served to one or more clients at the time. The build process stops the website before cleaning via c:\Windows\System32\inetsrv\appcmd.exe stop site http://oursite.com However, this does not release the file - we have to restart IIS to get the process to relinquish its lock. appcmd.exe allows you to take IIS down completely; we do not want to do this! Are there any other ways to get IIS to let go of a locked file, without restarting IIS? Simply stopping and starting the individual website is definitely not working to release the file lock.

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• What are the pros and cons of using a Mac for web development?

  - by Randell

  I have been using Fedora Linux for quite some time now for web development (and for other dev stuff as well). But just recently, someone told me that since I'm doing web development, I might as well use a Mac. I feel like Macs are overrated. Why should I (or should I not) use a Mac?

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• yum simulate install

  - by Michael Irey

  Coming from an ubuntu perspective, if I want to check to see what additional packages will be installed/upgraded I can use apt-get --simulate install <package name> Is there something similar for yum? Our Red hat box (yum) is our production server, so I would like to see exactly what will be happening before I actually install some package. Couldn't really find a good solution, someone suggested: yum --assumeno install <package name> but this returned: Command line error: no such option: --assumeno Using yum version 3.2.22 Any ideas or suggestions would be welcome.

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• Java applets vs Silverlight vs Flash (Flex)

  - by Peter Gfader

  Everybody talks about Silverlight and Flash and Flex and how cool etc... Java applets are very similar to Silverlight and Flex, but Java applets exist since 1995. What is the reason we don't have any cool Java applet applications around? My guesses so far: start up time of Java applet, restricted network connectivity, lack of dev tools, ... Are there any cool Java applets around? Please post links

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• Blogs similar to Err The Blog

  - by marienbad

  What's a dev blog that continues the innovative quality of PJ Hyett's and Chris Wanstrath's discontinued Err The Blog? Ruby or otherwise. http://errtheblog.com/

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• Simulate network failure on Android

  - by twk

  I've noticed when I switch from wifi to 3g on my Android phone that HTTP connections get killed. I'd like to simulate this error in an emulator for testing. Changing network speeds doesn't work, nor does turning on airplane mode (I've tried this on a 1.5 and a 2.1 AVD). Any ideas? I'm currently doing this by running my conns through Fiddler and manually killing them, but it would be nice to use something built into the Android dev system. Thanks

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• How to rate-limit a pipe under linux ?

  - by Frédéric Grosshans

  Is there a filter which I could use to rate-limit a pipe on linux? If this exists, let call it rate-limit, I want to be able to type in a terminal something like cat /dev/urandom | rate-limit 3 -k | foo in order to send a a stream of random bytes to foo's standard input at a rate (lower than) 3 kbytes/s.

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