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• Unix LVM: how to resize root lvm

  - by Hussein Sabbagh

  I took over a virtual server at work after a co-worker left. He, however, setup the server incorrectly at multiple stages and im cleaning them up as I run into them... Currently I realized that the file system is broken in half onto 2 logical volumes both at 50gb. One is mounted as the root directory and the other as the /home directory. Saddly, the server has taken up 46gb of the root lv and i need to expand it. I have already shrunk and remounted the home lv. I resized the root lv, but I can't figure out how to unmount the root directory while the computer is on. Obviously this needs to be done before I can finalize the expansion, but I don't know how. I'd appreciate any help or pointing in the right direction. Thanks in advance. PS this is on a CentOS server.

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• Determine which active directory object is referred to by GUID in a Directory Synchronization Error Report

  - by Michael Shimmins

  We have active directory syncronization setup between our on-premises AD server and Microsoft hosted Exchange (business productivity online services). I've started getting a daily error report, which details an error for a specific AD user, however it references it by GUID. I can't find any info on how to translate that object guid into something meaningful so I can find and fix the problem. The error is reported as: Error 005: Unable to set the alias for this object in Microsoft Online Services because either the primary SMTP address, the e-mail nickname, or the SAM account name in the local Active Directory contains an invalid character. in reference to the Object GUID: CN={8443cbb4-5199-49f0-9529-ce965430dca6} How can I translate that object guid into a friendly object name?

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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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• Tokyo Tyrant ulog / update log management.

  - by Nathan Milford

  I'm testing Tokyo Tyrant in a master-master setup and have found the ulog grows out of control and locks up the disk. At first I found the -ulim option useful and limited the logfile size, however it simply rolls over to a new log, leaving the old ones to clutter up the partition. I suppose I'll write a shell script that will delete ulogs older than X, once I find out how far back Tokyo Tyrant needs in the update log in order to failover. Does anyone have any experience with this Tokyo Tyrant? Do you have a feel (acknowledging that every install is different based on what is being stored) for the optimal ulog size vs how far back a Tokyo Tyrant instance needs to look in the ulog to assume master status? Thanks, nathan

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• SOA Suite Integration: Part 2: A basic BPEL process

  - by Anthony Shorten

  This is the next in the series about SOA Suite integration with Oracle Utilities Application Framework. One of the first scenarios I am going to illustrate in this series is building a basic BPEL process using Web Service calls to the Oracle Utilities Application Framework. The scenario is this. I will pass in the userid and the BPEL process will call our the AS-User Web Service we created in Part 1. This is just a basic test and illustrate how to import the Web Service into SOA Suite. To use this scenario, you will need access to Oracle SOA Suite, access to a copy of any Oracle Utilities Application Framework based product and Oracle JDeveloper (to build the process). First of all you need to start Oracle JDeveloper and create a new SOA Project to house the BPEL process in. For the purposes of this example I will call the project simpleBPEL and verify that SOA is part of the project. I will select "Composite with BPEL" to denote it as a BPEL process. I can also the same process to create a Mediator or OSB project (refer to the JDeveloper documentation on these technologies). For this example I will use BPEL 1.1 as my specification standard (BPEL 2.0 can also be used if desired). I give the individual BPEL process as simpleBPEL (you can use a different name but I wanted to keep the project and process the same for this example). I will also build a Synchronous BPEL Process as I want a response from the Web Service. I will leave the defaults to save time. I have no have a blank canvas to build my BPEL process against. Note: for simplicity I am going to use as much defaulting as possible. In fact I am not going to specify an input schema for the incoming call as I will use the basic single field used by BPEL as default. The first step is to import the AS-User Web Service into my BPEL project. To do this I use the standard Web Service BPEL component from the Component Palette to import the WSDL into the BPEL project. Now the tricky part (a joke), you drag and drop the component from the Palette onto the right side of the canvas in the Partner Links swim lane. This swim lane is reserved for Partner Links that have a Partner Role (i.e. being called rather than calling). When you drop the Web Service onto the canvas the Create Web Service wizard is invoked to ask for details of the Web Service. At this point you give the BPEL node a name. I have used the name RetrieveUser as a name. I placed the WSDL URL from the XAI Inbound Service screen in the WSDL URL. Once you specify the URL you can press the Find existing WSDL's button to load the information into BPEL from the call. You will notice the Port Type is prefilled with the port from the WSDL. I also suggest that you check copy wsdl and it's dependent artifacts into the project if you intending to work on the BPEL process offline. If you do not check this your target application must be accessible when you work on the BPEL process (that is not always convenient). Note: For the perceptive of you will notice that the URL specified in this example is different to the URL in the last post. The reason is for the demonstrations I shifted to a new server and did not redo all of the past screen captures. If you copy the WSDL into the project you will get an information screen about Localize Files. It is just a confirmation screen. The last confirmation screen is a summary of the partner link (the main tab is locked for editing at this stage). At this stage you have successfully imported the Web Service. To complete the setup of the Web Service you need to set the credentials for the Web Service to use. Refer to the past post on how to do that. Now to use the Web Service. To call the Web Service (as it is just imported not connected to the BPEL process yet), you must add an Invoke action to your BPEL Process. To do this, select Invoke action from the BPEL Constructs zone on the Component Palette and drop it on the edit nodes between the receiveInput and replyOutput nodes This will create an empty Invoke action. You will notice some connectors on the Invoke node. Grab the node closest to your Web Service and drag it to connect the Invoke to your Web Service. This instructs BPEL to use the Invoke to call the Web Service. Once the Invoke action is connected to the Web Service an Edit Invoke edit dialog is displayed. At this point I suggest you name the Invoke node. It is important to name the nodes straightaway and name them appropriately for you to trace the logic. I used InvokeUser as the name in this example. To complete the node configuration you must create Variables to hold the input and output for the call. To do this clock on Automatically Create Input Variable on the Edit Invoke dialog. You will be presented with a default variable name. It uses the node name (that is why it is important to name the node before hitting this button) as a prefix. You can name the variable anything but I usually take the default. Repeat the same for the output variable. You now have a completed node for invoking the service. You have a very basic BPEL process which contains an input, invoke and output node. It is not complete yet though. You need to tell the BPEL process how to pass data from the input to the invoke step and how to take the output from the service call and pass it back to the service. You need to now add an Assign node to assign the input to the Web Service. To do this select Assign activity from BPEL Constructs zone in the Component Palette. Drag and drop the Assign activity between the receiveInput and InvokeUser nodes as you want to pass data between these two nodes. You have now added a new Assign node to your BPEL process Double clicking the node allows you to specify the name of the node. I use AssignUser to describe that I am assigning user data. On the Copy Rules tab you can specify the mapping between the input variable InputVariable/payload/process/input string and the input variable for the Web Service call. We are passing data from the input to BPEL to the relevant input variable on the Web Service. This is simply drag and drop between the two data structures. In the example, I am using the input to pass to the user element in my Web Service as the user is the primary key for the object. The fields become linked (which means data from source will be copied to target). Almost there. You now need to process the output from the Web Service call to the outputVariable of the client call. I have decided to pass back one piece of data, the name associated with the user by concatenating the firstName and lastName elements from the Web Service call. To do this I will use a Transform as it is not just a matter of an Assign action. It is a concatenation operation. This also illustrates how you can use BPEL functionality to transform data from a Web Service call. As with the other components you drag and drop the Transform component to the appropriate place in the BPEL process. In this case we want to transform the output from the Web Service call so we want it after the InvokeUser action and the replyOutput action. The Transform component is actually part of the Oracle Extensions to the BPEL specification. Double clicking the Transform node will allow you to name the node.  In this example I used TransformName. To complete the transform I need to tell the product the source of the transformation and the target of the transform. In the example this is the InvokeUser output variable. I also named the mapper file to TransformName. By clicking the + or pencil icon next to the map I can create the map. The mapping screen is shows the source and target schemas for me to map across. As with the assign I can map the relevant elements. In my example, I first map the firstName from the Web Service to the result element. As I want to concatenate the names, I drop the concat function on the call line. I now attach the last name to the function to indicate the concatenation of the field. By default the names will be concatenated with no space. To make the name legible I add a space between the field by clicking the function and adding a space in the call. I now have a completed mapping. I can now save the whole project as my BPEL process is now complete. As you can see the following happens: We accept input from the client (the userid for the call) in the receiveInput step. We assign that value to the input parameters for the Web Service call in the AssignUser step. We invoke the Web Service call to retrieve the data from the product in the InvokeUser step. We take the output from the InvokeUser step and concatenate the names in the TransformName step. We pass back the data in the replyOutput step. At this point we can deploy the BPEL process to the SOA Suite server. I will not cover this aspect as it really all SOA Suite specific (it is all done via Oracle JDeveloper). Now we need to test the service in SOA Suite. We will use the Fusion Middleware Control test facility. I will assume that credentials have also been setup as per our previous post (else you will get a 401 error). You navigate to the deployed BPEL process within Fusion Middleware Control and select the Test Service option. Specify some test data on the payload at the bottom of the Test Service screen. In my case I am returning my own userid information. On the response tab you will see the result. It works. You can verify the steps using the Audit trace facility on individual calls. As you can see this is a basic BPEL but you get the idea of importing the Web Service is pretty straightforward. You can create more sophisticated BPEL processes using the full facilities in Oracle SOA Suite. I just showed you the basic principals.

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• Setting CATALINA_OPTS for tomcat6 on windows doesn’t work.

  - by Ben

  (I've copied this from Stack Overflow here, after someone suggested I post the question here) Hi, I'm trying to setup Tomcat6 to work with JMX on Windows Vista 64. To do that I need to pass the parameters below to Tomcat6. What I do in command prompt. (that doesn't work) set CATALINA_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9898 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false" tomcat6.exe What I do that does work (but causes other problems) java -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9898 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -jar bootstrap.jar It seems as if tomcat is just ignoring the environment variable CATALINA_OPTS. Am I doing something wrong? I've also tried to edit catalina.bat and define the variable CATALINA_OPTS there. No success. (tried adding the parameters to JAVA_OPTS too, no success either) Thanks in Advance!!

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• OBIEE 11.1.1 - User Interface (UI) Performance Is Slow With Internet Explorer 8

  - by Ahmed A

  The OBIEE 11g UI is performance is slow in IE 8 and faster in Firefox.  For VPN or WAN users, it takes long time to display links on Dashboards via IE 8. Cause is IE 8 generates many HTTP 304 return calls and this caused the 11g UI slower when compared to the Mozilla FireFox browser. To resolve this issue, you can implement HTTP compression and caching. This is a best practice.Why use Web Server Compression / Caching for OBIEE? Bandwidth Savings: Enabling HTTP compression can have a dramatic improvement on the latency of responses. By compressing static files and dynamic application responses, it will significantly reduce the remote (high latency) user response time. Improves request/response latency: Caching makes it possible to suppress the payload of the HTTP reply using the 304 status code.  Minimizing round trips over the Web to re-validate cached items can make a huge difference in browser page load times. This screen shot depicts the flow and where the compression and decompression occurs: Solution: a. How to Enable HTTP Caching / Compression in Oracle HTTP Server (OHS) 11.1.1.x 1. To implement HTTP compression / caching, install and configure Oracle HTTP Server (OHS) 11.1.1.x for the bi_serverN Managed Servers (refer to "OBIEE Enterprise Deployment Guide for Oracle Business Intelligence" document for details). 2. On the OHS machine, open the file HTTP Server configuration file (httpd.conf) for editing. This file is located in the OHS installation directory.For example: ORACLE_HOME/Oracle_WT1/instances/instance1/config/OHS/ohs13. In httpd.conf file, verify that the following directives are included and not commented out: LoadModule expires_module "${ORACLE_HOME}/ohs/modules/mod_expires.soLoadModule deflate_module "${ORACLE_HOME}/ohs/modules/mod_deflate.so 4. Add the following lines in httpd.conf file below the directive LoadModule section and restart the OHS: Note: For the Windows platform, you will need to enclose any paths in double quotes ("), for example:Alias "/analytics ORACLE_HOME/bifoundation/web/app"<Directory "ORACLE_HOME/bifoundation/web/app"> Alias /analytics ORACLE_HOME/bifoundation/web/app#Pls replace the ORACLE_HOME with your actual BI ORACLE_HOME path<Directory ORACLE_HOME/bifoundation/web/app>#We don't generate proper cross server ETags so disable themFileETag noneSetOutputFilter DEFLATE# Don't compress imagesSetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary<FilesMatch "\.(gif|jpeg|png|js|x-javascript|javascript|css)$">#Enable future expiry of static filesExpiresActive onExpiresDefault "access plus 1 week"     #1 week, this will stops the HTTP304 calls i.e. generated by IE 8Header set Cache-Control "max-age=604800"</FilesMatch>DirectoryIndex default.jsp</Directory>#Restrict access to WEB-INF<Location /analytics/WEB-INF>Order Allow,DenyDeny from all</Location> Note: Make sure you replace above placeholder "ORACLE_HOME" to your correct path for BI ORACLE_HOME.For example: my BI Oracle Home path is /Oracle/BIEE11g/Oracle_BI1/bifoundation/web/app Important Notes: Above caching rules restricted to static files found inside the /analytics directory(/web/app). This approach is safer instead of setting static file caching globally. In some customer environments you may not get 100% performance gains in IE 8.0 browser. So in that case you need to extend caching rules to other directories with static files content. If OHS is installed on separate dedicated machine, make sure static files in your BI ORACLE_HOME (../Oracle_BI1/bifoundation/web/app) is accessible to the OHS instance. The following screen shot summarizes the before and after results and improvements after enabling compression and caching:

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• Windows 7 / ATI CCC - Monitor limit?

  - by james.ingham

  Hi all, I have a Ati 4850 X2 and back in the days when Windows 7 was in beta, I had this running with 4 monitors (Crossfire off). Now I have come to set this up again, with a RTM version of Windows 7 and the latest ATI drivers and it seems I can only have two monitors on at one time. If I try and set the monitors up in Control Panel, it simply disables the non-primary monitor, and if I attempt to do it in CCC, I get the message "To extend the desktop, a desktop or display must be disabled." Does anyone know why this is and/or how to fix it? I've currently tried using the latest ATI drivers and the drivers (i think) I was using over a year ago when I had this setup. Thanks - James

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• Linux Email Server Auto-Reply

  - by Robert Smith

  I need to setup a mail server that has the following functionality: if a user sends an email to a specific address on this server, the server must first check if the email has a PDF attachment, do some processing to that PDF file and then reply to the user's initial mail with the new PDF file attached. My question is how would it be possible to achieve this functionality, and what software / mail server do you recommend? I'm thinking that it can be solved the following way: when the server receives a new email it executes an external Python script that checks the attachment, processes the PDF file and then sends it back in the user's mailbox. What mail server would be able to do this, and what configurations does it need?

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• Exchange 2010 to Exchange 2010 Public Folder Replication

  - by Archit Baweja

  We have 2 exchange servers in our org. MX1 and MX2. I'm trying to replicate all MX1 public folders to MX2. I've setup replication for all the toplevel folders to include the MX2 server. However no public folders are being replicated. The event log does not show any errors. I've set the diagnostic level for all public folder diagnostics to Highest using get-eventloglevel "MSExchangeIS\9001 Public\*" | set-eventloglevel -Level Expert However besides a 3092 event ID (type: 0x2) generated on MX1 (the source server), there are no events being generated that would notify me of any issues. Some technical details. MX1 is Windows 2008 Standard, MX2 is Windows 2008 Enterprise (eval mode right now).

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• network design to segregate public and staff

  - by barb

  My current setup has: a pfsense firewall with 4 NICs and potential for a 5th 1 48 port 3com switch, 1 24 port HP switch, willing to purchase more subnet 1) edge (Windows Server 2003 for vpn through routing and remote access) and subnet 2) LAN with one WS2003 domain controller/dns/wins etc., one WS2008 file server, one WS2003 running Vipre anti-virus and Time Limit Manager which controls client computer use, and about 50 pcs I am looking for a network design for separating clients and staff. I could do two totally isolated subnets, but I'm wondering if there is anything in between so that staff and clients could share some resources such as printers and anti-virus servers, staff could access client resources, but not vice versa. I guess what I'm asking is can you configure subnets and/or vlans like this: 1)edge for vpn 2)services available to all other internal networks 3)staff which can access services and clients 4)clients which can access services but not staff By access/non-access, I mean stronger separation than domain usernames and passwords.

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• DNSCurve vs DNSSEC

  - by Bill Gray

  Can someone informed, please give a lengthy reply about the differences and advantages/disadvantages of both approaches? I am not a DNS expert, not a programmer. I have a decent basic understanding of DNS, and enough knowledge to understand how things like the kaminsky bug work. From what I understand, DNSCurve has stronger encryption, is far simpler to setup, and an altogether better solution. DNSSEC is needlessly complicated and uses breakable encryption, however it provides end to end security, something DNSCurve does not. However, many of the articles I have read have seemed to indicate that end to end security is of little use or makes no difference. So which is true? Which is the better solution, or what are the disadvantages/advantages of each? edit: I would appreciate if someone could explain what is gained by encrypting the message contents, when the goal is authentication rather than confidentiality. The proof that keys are 1024bit RSA keys is here.

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• Is HAProxy able to pass SSL requests to Apache + mod_ssl?

  - by Josh Smeaton

  Most of the documentation I've read regarding HAProxy and SSL seems to suggest that SSL must be handled before it reaches HAProxy. Most solutions focus on using stunnel, and a few suggest Apache + mod_ssl infront of HAProxy. Our problem though, is that we use Apache as a reverse proxy to a number of other sites which use their own certificates. Ideally what we'd like, is for HAProxy to pass all SSL traffic to Apache, and let Apache handle either the SSL or reverse proxying. Our current setup: Apache Reverse Proxy -> Apache + mod_ssl -> Application What I'd like to do: HAProxy -> Apache Reverse Proxy -> Apache + mod_ssl -> Application Is it possible to do this? Is HAProxy capable of forwarding SSL traffic to be handled by a server BEHIND it?

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• Using CheckPoint SNX with RSA SecurID Software Token to connect to VPN

  - by Vinnie

  I have a fairly specific issue that I'm hoping someone else out in the community has had to tackle with success. My company uses CheckPoint VPN clients on Windows XP machines with RSA SecurID software to generate the tokens. The beauty is that once you generate a token code on the software, you can enter it into any machine trying to connect via VPN and with your username get connected. So, I've got Ubuntu 10.10 32bit on a tower and formerly on a laptop. Through several posts around the web, I was able to get SNX installed on the laptop, plug in my server connection information and be asked for a password only to have the connection fail. I used to debug mode and was able to see that the application was trying to and failing at writing a registry value, but I believe that to be a symptom of a different issue, even though I tried to find a way to remedy that. I'm wondering if anyone out there is on a similar configuration and was able to connect with SNX using an RSA token? If so, what steps did you take to setup and what problems/solutions did you encounter?

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• Generate webservice proxy using oracle ant tasks

  - by adrian.muraru

  Proxy generation tends to be very slow when done using jdeveloper wizard and even more this time increases when jdeveloper is started over a remote desktop connection. So here's step-by-step howto that can be used to generate webservice proxy from your *nix shell Create a dir in your scratch area : e.g. /tmp/<username>/genproxy Get build.xml file attached, save it in the dir above and change the properties defined in it to match your ws endpoint. More specifically you need to edit: proxy.wsdl - the path (either locally or URL) where WSDL file can be accessed from proxy.handler - the handler class proxy.package - the class package where the proxy will be generated Start a new shell session (out of the ADE view if you're using one) and set the environment needed for proxy generation using ant and Oracle WebServicesAssembler genProxy [1] $ setenv ORACLE_HOME /opt/jdev_local/10.1.3/ $ setenv PATH $ORACLE_HOME/ant/bin:$PATH Note that the above env setup is needed even if you already have ORACLE_HOME set and ant utiliy available in your PATH. That way you'll be sure the proxy will be generated using the same libraries your jdeveloper is using in its wizard Generate proxy $ cd /tmp/<username>/genproxy $ ant genproxy And voila, the proxy files should be available in ./src directory. Notes: [1] More information about genProxy can be found at : http://download.oracle.com/docs/cd/B32110_01/web.1013/b28974/wsassemble.htm#CHDJJIEI [2] In my case this method is much faster then using the jdeveloper wizard (15secs compared to 25minutes) [3] There is one minor drawback though, the jdeveloper .proxy configuration file is not generated. -Adrian

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• SFTP jail & Keeping file ownership the same / File owner per folder

  - by Dragonshadow

  I want to setup a jailed SFTP account for a subfolder of another user's home folder, but want the owner of everything in that subfolder to stay the same, including new files and folders uploaded and created by the sftp user, while still allowing access to the files and folders of that subfolder as if the SFTP user was the parent user. rawny bawb-sftp /home/rawny <- rawny owns this /home/rawny/sftp <- rawny owns this too, but bawb-sftp can upload to it, edit files, etc bawb-sftp uploads a file /home/rawny/sftp/lol.txt rawny should still own the file, as if he made it in the first place, even though bawb-sftp was the one that uploaded it. Basically I guess I'm asking for an sftp jail that acts as a highly limited passthrough/puppet for another user?

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• Using .htaccess to server files from Amazon S3 CloudFront

  - by Adrian A.

  My ideal setup would be to take a current clients site, upload a .htaccess with a regex inside, that would match the URI, and if it finds a certain file extension, it would use the same path, but with an altered domain. ie. Normal path: http://www.domain.com/something/images/someimage.jpeg http://www.domain.com/assets/js/jquery.js .htaccess translated would turn the above into: http://mycdn.other.com/something/images/someimage.jpeg http://mycdn.other.com/assets/js/jquery.js I googled this for hours in a row, no luck. Again, this is for actually making use of Amazon's CloudFront. S3 is already mounted to the website for backups and storing files using s3fs, but this doesn't solve the issue since it's using S3 directly, not using the CloudFront.

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• How can I connect any USB device to my computer wirelessly?

  - by daviesgeek

  I am trying to connect the Canon 550D wirelessly to my computer so that I can control it from at a distance. It can connect normally via a USB cable, so I was wondering if there was a way to plug a dongle into the computer, and a dongle into the camera so the two can connect. I'm basically looking for a really long USB cord that will work over long distances (200+ feet). Another important factor is that I really would prefer not having use a power cord, rather just plugging in a dongle, as it will make the setup more mobile. Does anything like this exist? (I know that Cables Unlimited had something like what I wanted, but they went out of business last year)

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• Windows Server 2008 x86 Services for Unix SDK (SUA) RSH

  - by Andy Arismendi

  Running RSH commands on a Windows box against a Linux box works only for the administrator user. Is there a file somewhere that has a list of users that can run commands remotely? More Info The server configuration is automated by VMware's product... There's no /etc/hosts.equiv file setup but there is a /root/.rhosts file with an entry of [IP ADDRESS] +. The SUA client C:\Windows\SUA\bin\rsh can login when run as the local administrator account but no other user can login. The error is: rcmd: unknown user: [username]. The command I'm trying to run is: rsh -l root [IP ADDRESS] ls.

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• Puppetmaster don't notice changes to site.pp

  - by tore-

  Hi, I've just setup a new production environment with puppet. Using 0.25.4 in client/server. Ruby is at 1.8.5, CentOS 5.4. I've made a simple manifest for configuring yum-updatesd, but the puppetmaster doesn't seem to notice changes done to site.pp: err: Could not parse for environment production: Could not match 'node' at /etc/puppet/manifests/site.pp:1 err: Could not retrieve catalog from remote server: Error 400 on SERVER: Could not parse for environment production: Could not match 'node' at /etc/puppet/manifests/site.pp:1 Notice, it says line 1. But line 1 contains an import statement: # cat -n /etc/puppet/manifests/site.pp 1 import "update-notification" 2 3 node default { 4 include update-notification 5 update-notification::configure() 6 } I've tried to reboot the server, delete and recreate site.pp, start and stop puppetmaster and puppet, with no luck. What am I missing?

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• Error when Sending Emails

  - by dallasclark

  A client of mine keeps receiving the following email when sending mail but their emails are sent successfully. Your outgoing (SMTP) e-mail server has reported an internal error... The server responded: 451 qq read error (#4.3.0) In the mail log (/usr/local/psa/var/log/maillog) I receive the following error: /var/qmail/bin/relaylock[3152]: /var/qmail/bin/relaylock My SMTP Service is setup as followed, if this helps service smtp { socket_type = stream protocol = tcp wait = no disable = no user = root instances = UNLIMITED env = SMTPAUTH=1 server = /var/qmail/bin/tcp-env server_args = -Rt0 /var/qmail/bin/relaylock /var/qmail/bin/qmail-smtpd /var/qmail/bin/smtp_auth /var/qmail/bin/true /var/qmail/bin/cmd5checkpw /var/qmail/bin/true }

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• Benchmarking MySQL on win7

  - by Patrick

  I've setup a nginx server running php 5.3.6 and mysql 5.5.1.3. My computer is an AMD quadcore 9650, 4gb ram, 500gb 7200rpm HD. I ran the PHP MySQL Benchmark Tool v. 0.1, and got the following results: Testing a(n) MYISAM table using 100000 rows. Successfully created database speedtestdb Sucessfully created table speedtesttable Table Type Verified: MYISAM .. Done. 100000 inserts in 19.73628 seconds or 5067 inserts per second. Done. 100000 row reads in 0.2801 seconds or 357015 row reads per second. Done. 100000 updates in 4.03876 seconds or 24760 updates per second. I'm wondering where this stands as far as performance goes, and what are some steps I can take if any to improve on this. I'm not trying to make anything fantastic, just getting a feel for how to best optimize a web server in this configuration.

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• Winnipeg Code Camp&ndash;Session Announcement

  - by D'Arcy Lussier

  I’ve been updating the Winnipeg Code Camp website over the last few weeks with sessions and speakers as we’ve added them, and I’m happy to announce the full set of sessions!* We have a very interesting mix this year with new speakers and varied technologies! Remember this is a *FREE* event, so head over to our website to find out how to register for what will be a fantastic code camp! *OK, so we still have one session that needs to be have an official title, and one session that’s still TBA…but close enough. ;) What`s New in Entity Framework 4 Aaron Kowall Easy Automation Setup for Everyday Projects Amir Barylko Hackerspaces Everywhere! Winnipeg: Our Time is Now Andrew Orr C# Ninjitsu Chris Eargle Code like a Ninja:Enhance Your Productivity with VS.NET & JustCode Chris Eargle Scala Language Tour Craig Tataryn WP7 - Creating a Data Driven App D`Arcy Lussier TBA (WordPress Related) Dan Bernardic WP7 Development Foundation D'Arcy Lussier HTML5 for .NET Pros Dave Wesst Turbocharge Your Manual Testing Process with VS 2010 Dylan Smith Develop Visual Studio 2010 Extensions - Twitter Studio George Chen Functionality Driven Development with Asp .Net MVC George Chen & Sean Bennett Web Development for Mobile Devices Kelly Cassidy Intro to Nmap Security Scanner Mak Kolybabi My Personal Top 10 SQL Habits Good and Bad Mike Diehl Stupid Mistakes Made By Smart People Ron Bowes Intro to jQuery Stefan Penner Taking Your WP7 Application to the Next Level with Tombstoning Tyler Doerksen Coming Soon! Tyler Doerksen

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• "Recursive" Wildcard DNS for Amazon Route 53

  - by Brian

  The title of the question might be misleading because I'm not an expert and I'm trying to learn the proper terminology. That being said, I'm wondering if it's possible to setup a wildcard DNS record for any number of dot separation in domain names and have them all point to the network root. This is for WordPress multisite, users will have the option of choosing a mapped domain name, I want to configure my DNS so that both mysite.co.uk.network.com and mysite.com.network.com are valid (I realize this is a but ugly, but WordPress multisite requires that each site have a unique site_url and I'd prefer to preserve the period-delimited appearance if it's possible).

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• How to permanently add wireless interfaces with iw

  - by walli

  How can I permanently add virtual wireless interfaces to my network configuration with iw? I created the following interfaces: iw phy phy0 interface add vwlan0 type station iw phy phy0 interface add vwlan1 type __ap The first is configured as a wifi client connecting to an existing network (wpa_supplicant) The second is configured as wireless hotspot (hostapd + dnsmasq) The setup works, but now I can't quite figure out what the best strategy is to save this configuration permanently. Have made an init script for wpa_supplicant Have made an init script for the hotspot Virtual adaptor network settings set in /etc/network/interfaces But all this depends on the wireless interfaces being created. What would be the best way to make sure these interfaces are created before the network is set up and the services are run? As a bonus, since this wireless interface is a usb device, would it be possible to have the interfaces created (and the services started) when the interface is hotplugged? I know you can execute code after a network interface is up, but the wlan0 interface that is hotplugged should never be up. Operating system is raspbian

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