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  • How do I generate a core dump from apache

    - by blockhead
    I have a script which intermittently returns a white screen of death in firefox and Error 324 (net::ERR_EMPTY_RESPONSE): Unknown error. chrome. When I try to access the script using a PHP HTTP client (like Zend_Http_Client), intermittently I get an exception (sorry I don't have the exact message on me at the moment). I suspect a segfault. This is further buttressed by the lines in my error log that look like this: [Thu Mar 18 16:03:02 2010] [notice] child pid 845 exit signal Segmentation fault (11) Now, I'm running RedHat, and I know that RedHat doesn't generate core dumps out-of-the-box. I followed the instructions here http://kbase.redhat.com/faq/docs/DOC-5353, but I'm not seeing any core dumps. How do I generate a core dump?

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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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  • PostgreSQL 9.1 Database Replication Between Two Production Environments with Load Balancer

    - by littleK
    I'm investigating different solutions for database replication between two PostgreSQL 9.1 databases. The setup will include two production servers on the cloud (Amazon EC2 X-Large Instances), with an elastic load balancer. What is the typical database implementation for for this type of setup? A master-master replication (with Bucardo or rubyrep)? Or perhaps use only one shared database between the two environments, with a shared disk failover? I've been getting some ideas from http://www.postgresql.org/docs/9.0/static/different-replication-solutions.html. Since I don't have a lot of experience in database replication, I figured I would ask the experts. What would you recommend for the described setup?

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  • Icinga error "Icinga Startup Delay does not exist" although it does

    - by aaron
    I just installed icinga to monitor my server following this guide: http://docs.icinga.org/0.8.1/en/wb_quickstart-idoutils.html Everything built and installed correctly, but icinga is reporting a critical error with the reason: "The command defined for service Icinga Startup Delay does not exist" However, I can see that ${ICINGA_BASE}/etc/objects/localhost.cfg contains: define service{ use local-service ; Name of service template to use host_name localhost service_description Icinga Startup Delay check_command check_icinga_startup_delay notifications_enabled 0 } and ${ICINGA_BASE}/etc/objects/commands.cfg contains: define command { command_name check_icinga_startup_delay command_line $USER1$/check_dummy 0 "Icinga started with $$(($EVENTSTARTTIME$-$PROCESSSTARTTIME$)) seconds delay | delay=$$(($EVENTSTARTTIME$-$PROCESSSTARTTIME$))" } both of these files had not been modified since the whole make/install process. I am running on Ubuntu 10.04, most recent build of icinga-core, and apache2 2.2.14 What must I do to tell Icinga that the command exists? Or is the problem that check_dummy does not exist? Where or how would I define that?

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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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  • 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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  • Unexpected results from custom partitioning scheme - Ubuntu preseed unattended install

    - by Mark Renouf
    Hi... I need some help with partman-auto custom recipe in preseed.... it's doing unexpected things, the docs aren't so clear. This is in my preseed file: d-i partman-auto/expert_recipe string \ boot-root-var :: \ 1024 100 1024 ext4 \ $primary{ } $bootable{ } \ method{ format } format{ } \ use_filesystem{ } filesystem{ ext4 } \ mountpoint{ /boot } \ . \ 2048 50 4096 ext4 \ method{ format } format{ } \ use_filesystem{ } filesystem{ ext4 } \ mountpoint{ / } \ . \ 4096 25 100000 ext4 \ method{ format } format{ } \ use_filesystem{ } filesystem{ ext4 } \ mountpoint{ /var } \ . \ 256 75 100% linux-swap \ method{ swap } format{ } \ . Given an 80GB drive. I ended up with these partitions: / 2GB /boot 1GB /var 4GB swap 72GB What went wrong? What I want is: / 2GB /boot 1GB /var 72GB swap 4GB

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  • Amazon EC2 - HTTPS - Certificate body is invalid. The body must not contain a private key

    - by Tam Minh
    I'm very new to Amazon EC2. I am trying to setup https for my website, I follow the offical instruction from amazon doc: http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/configuring-https.html When I Upload a Signed Certificate using AWS command aws iam upload-server-certificate --server-certificate-name dichcumga --certificate-body file://mycert.pem --private-key file://signedkey.pem --certificate-chain file://mychain.pem And I got error A client error (MalformedCertificate) occurred when calling the UploadServerCert ificate operation: Certificate body is invalid. The body must not contain a private key. mycert.pem is a combination of private.pem and signedkey.pem (which return by VeriSign) copy private.pem+signedkey.pem mycert.pem Please help to shed a light. Thank you in advance.

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  • WCF client encrypt message to JAVA WS using username_token with message protection client policy

    - by Alex
    I am trying to create a WCF client APP that is consuming a JAVA WS that uses username_token with message protection client policy. There is a private key that is installed on the server and a public certificate file was exported from the JKS keystore file. I have installed the public key into certificate store via MMC under Personal certificates. I am trying to create a binding that will encrypt the message and pass the username as part of the payload. I have been researching and trying the different configurations for about a day now. I found a similar situation on the msdn forum: http://social.msdn.microsoft.com/Forums/en/wcf/thread/ce4b1bf5-8357-4e15-beb7-2e71b27d7415 This is the configuration that I am using in my app.config <customBinding> <binding name="certbinding"> <security authenticationMode="UserNameOverTransport"> <secureConversationBootstrap /> </security> <httpsTransport requireClientCertificate="true" /> </binding> </customBinding> <endpoint address="https://localhost:8443/ZZZService?wsdl" binding="customBinding" bindingConfiguration="cbinding" contract="XXX.YYYPortType" name="ServiceEndPointCfg" /> And this is the client code that I am using: EndpointAddress endpointAddress = new EndpointAddress(url + "?wsdl"); P6.WCF.Project.ProjectPortTypeClient proxy = new P6.WCF.Project.ProjectPortTypeClient("ServiceEndPointCfg", endpointAddress); proxy.ClientCredentials.UserName.UserName = UserName; proxy.ClientCredentials.ClientCertificate.SetCertificate(StoreLocation.CurrentUser, StoreName.My, X509FindType.FindByThumbprint, "67 87 ba 28 80 a6 27 f8 01 a6 53 2f 4a 43 3b 47 3e 88 5a c1"); var projects = proxy.ReadProjects(readProjects); This is the .NET CLient error I get: Error Log: Invalid security information. On the Java WS side I trace the log : SEVERE: Encryption is enabled but there is no encrypted key in the request. I traced the SOAP headers and payload and did confirm the encrypted key is not there. Headers: {expect=[100-continue], content-type=[text/xml; charset=utf-8], connection=[Keep-Alive], host=[localhost:8443], Content-Length=[731], vsdebuggercausalitydata=[uIDPo6hC1kng3ehImoceZNpAjXsAAAAAUBpXWdHrtkSTXPWB7oOvGZwi7MLEYUZKuRTz1XkJ3soACQAA], SOAPAction=[""], Content-Type=[text/xml; charset=utf-8]} Payload: <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" xmlns:u="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"><s:Header><o:Security s:mustUnderstand="1" xmlns:o="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"><o:UsernameToken u:Id="uuid-5809743b-d6e1-41a3-bc7c-66eba0a00998-1"><o:Username>admin</o:Username><o:Password>admin</o:Password></o:UsernameToken></o:Security></s:Header><s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><ReadProjects xmlns="http://xmlns.dev.com/WS/Project/V1"><Field>ObjectId</Field><Filter>Id='WS-Demo'</Filter></ReadProjects></s:Body></s:Envelope> I have also tryed some other bindings but with no success: <basicHttpBinding> <binding name="basicHttp"> <security mode="TransportWithMessageCredential"> <message clientCredentialType="Certificate"/> </security> </binding> </basicHttpBinding> <wsHttpBinding> <binding name="wsBinding"> <security mode="Message"> <message clientCredentialType="UserName" negotiateServiceCredential="false" /> </security> </binding> </wsHttpBinding> Your help will be greatly aprreciatted! 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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  • Wrong DNS query in Active directory network with NetBIOS enabled client

    - by koankoder
    The setup: Active Directory is enabled on the network (abcd.com) We have a single character host name (1.abcd.com) one of the desktop has an old XP with NetBIOS stuff enabled The Problem Whenever we query for any host name from the XP machine, the first character alone is taken for DNS query (one.abcd.com will query for o.abcd.com, two.abcd.com will query for t.abcd.com) Even if we give some IP, the application queries with numeric prefix (10.x.x.x will query for 1.abcd.com).Since we already have 1.abcd.com, all query and traffic ends up in 1.abcd.com After discussion with network guys, it seems netbios DNS queries by having some prefix etc. but none of them is actually sure on what is happening. Is there any docs which can explain this behavior ? Is this valid behavior in NetBIOS environment ?

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  • How to create a very simple external FastCGI configuration in apache?

    - by Thiado de Arruda
    I have an externally started FastCGI application that listens on socket '/tmp/foo.sock' and a directory of static files in '/srv/static'. Apache has all needed permissions on the socket and the directories. What I need : All requests starting with '/static' should be handled by apache using the contents of '/srv/static'. All other requests should be handled by the FastCGI application. Here is my current virtual host configuration: <VirtualHost *:80> ServerAdmin [email protected] ServerName www.foo.com ServerAlias foo.com Alias /static /srv/static FastCgiExternalServer /* -socket /tmp/foo.sock ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined </VirtualHost> Even though this seems simple, its giving me quite the headache. According to http://www.fastcgi.com/mod_fastcgi/docs/mod_fastcgi.html#FastCgiExternalServer the first parameter to 'FastCgiExternalServer' should be a 'filename' that when matched will cause apache to delegate the request to the external FastCGI app. What am I missing here?

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  • How do I make kdump use a permissible range of memory for the crash kernel?

    - by Philip Durbin
    I've read the Red Hat Knowledgebase article "How do I configure kexec/kdump on Red Hat Enterprise Linux 5?" at http://kbase.redhat.com/faq/docs/DOC-6039 and http://prefetch.net/blog/index.php/2009/07/06/using-kdump-to-get-core-files-on-fedora-and-centos-hosts/ The crashkernel=128M@16M kernel parameter works fine for me in a RHEL 6.0 beta VM, but not on the RHEL 5.5 hosts I've tried. dmesg shows me: Memory for crash kernel (0x0 to 0x0) notwithin permissible range disabling kdump Here's the line from grub.conf: kernel /vmlinuz-2.6.18-194.3.1.el5 ro root=/dev/md2 console=ttyS0,115200 panic=15 rhgb quiet crashkernel=128M@16M How do I make kdump use a permissible range of memory for the crash kernel?

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  • Add a "mapview" in a webOS app

    - by thom
    Hi, I'm not familiar yet with WebOS dev (just started this weekend) but I didn't find any "MapView" widget in the reference library. Is there any way to include a WebView in my app or do I have to start the map app from my app ? Thanx.

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  • Problems cloning a GIT repository (Newbie problems)

    - by Brett Rigby
    Hi there, Trying to set-up GIT Server on my local dev machine and have been following this website so far but am a little stuck when trying to clone a repository. In GIT Bash, here's my output: $ git clone ssh://[email protected]:4837/ssh/home/Administrator/project1.git Initialized empty Git repository in C:/Git/project1/.git/ Permission denied (publickey,keyboard-interactive). fatal: The remote end hung up unexpectedly Any suggestions on why I would be getting a 'Permission denied (publickey,keyboard-interactive)' error? Thanks in advance!

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  • What is the best way to set a database entry so that it expires after n hours using Ruby/Rails?

    - by marcgg
    My app has a token model as such: class Token < ActiveRecord::Base # The model include a few attributes including created_at end I want entries linked to this model to expire after 6 hours, meaning that they should get automatically deleted. I know that I could set a cronjob or something similar to do this, but isn't there a better/simpler way? Note: I'm using Rails 3.0.0beta3, mysql (in dev) and postgres (in prod)

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  • Ubuntu 10.04 with HD flash

    - by Brad Robertson
    Just noticed that 10.04 is out. My media server has been packed away for a few months but I might dust if off and give 10.04 a shot but I thought I'd see if anyone has any success stories with HD flash in either Chrome or Firefox. I'm currently running Ubuntu 9.10 and it was a large enough pain to get VDPAU working with my Zotac Ion-ITX-C board (eventually found an mplayer PPA that had it compiled in) From reading the 10.04 docs it looks like this is standard now, but I'm wondering about streaming HD, from, say flash or Divx. I've never been able to get HD flash to play without it being extremely choppy, and I chalk this up to the lack of hardware assisted decoding like VDPAU (a guess). My board certainly isn't a competitor in CPU power or memory, which is why i've needed the HW accelerated decoding for HD vids in the past. Just wondering if anyone has had any success stories playing HD vid online (flash, divx or what have you)

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  • How to automate an Amazon EC2 instance startup, execution of some commands and shutdown?

    - by Howiecamp
    I need to download 100 GB of files (it’s in about 150 files) within a 7 day period before they expire. The download is rate-limited by the host so it takes MUCH longer than the theoretical transfer rate based on normal Internet speeds. I have a script of curl http://curl.haxx.se/docs/manpage.html commands - one line per file. I had the idea of automatically spinning up n EC2 instances, executing the command and FTPing the files to a central location, then shutting down the machines. How would I do this? I don't care whether it's Linux or Windows.

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  • Hybrid Shutdown in Windows 8

    - by Moab
    Referring to this article published September 8, 2011, it gives instructions on how to to do a full (non-hybrid) shutdown in Windows 8 from the command line. We have an option in the UI to revert back to the Windows 7 shutdown/cold boot behavior, or since that’s likely a fairly infrequent thing, you can use the new /full switch on shutdown.exe. From a cmd prompt, run: shutdown /s /full / t 0 to invoke an immediate full shutdown. shutdown /s /full /t 0 I tried this in W8 Enterprise RTM trial, but did not work, so I did a shutdown /? and noticed they have changed the command for a Full shutdown It appears the /s switch now does the full shutdown as explained in the MS article, and the /hybrid switch does the hybrid shutdown for fast startup. Can anyone confirm this change in other RTM versions of Windows 8? Any Microsoft docs on this change are welcome.

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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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  • Using Python on Mac

    - by choise
    hi, i want to learn python using my mac. now i want to setup a python version = 3.1.3, because my materials for learning are using this version. typing python into terminal results version 2.6.1, using the dmg installer on python.org (http://docs.python.org/ftp/python/3.1.3/) doesn't have an effect on the python version in terminal, but it's bundled with an own shell under Applications/Python 3.1/Idle.app my question now is, should i use this shell for learing or is there a better way, updating the python version bundled with snow leopard? i already tried defaults write com.apple.versioner.python Version 3.1.3 or defaults write com.apple.versioner.python Version 3.0 without any result. thanks!

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