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• ArchBeat Link-o-Rama for 11/16/2011

  - by Bob Rhubart

  Size, Failure, and Optimization | Roger Sessions The slide deck from Roger Sessions' keynote address at the 2nd IT Architect Regional Conference in Bogota, Colombia. Webcast: Oracle Business Intelligence Mobile Event Date: Tuesday, November 29, 2011 Time: 9 a.m. PT/12 noon ET Featuring Manan Goel (Director BI Product Marketing, Oracle) and Shailesh Shedge (Director BI & Analytics Practice, Ascentt). Live Webinar: Solutions for MySQL High Availability (November 29) Tune into this webcast to learn how MySQL’s High Availability solution can help you minimize downtime and ensure business continuity. Domain-Driven Design: Useful Models for Complex Problems | @ericevans0 Domain-Driven Design: Useful Models for Complex Problems | Eric Evans Eric Evans' slide deck from the recent IASA event in Spain. Oracle Hardware goes social Introducing the Oracle Hardware Social Media Hub -- The new Facebook meeting place for the global hardware community. The hub now features a pioneering Q&A app called Oracle Ask the Expert, where you can ask questions and engage with Oracle experts. Review: WebLogic Server 11g Administration Handbook by S. Alapati Dr. Frank Munz, author of "Middleware and Cloud Computing, reviews the new WebLogic book by Sam Alapati and offers a quick overview of a couple of other new titles. SOA All the Time; Architects in AZ; Clearing Info Integration hurdles This week on the Architect Home Page on OTN.

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• ReadyNAS issue with Google Apps?

  - by Jauder Ho

  The power went out (again) in my house today so I decided to set up some alerting. Since I have a ReadyNAS and the latest version of Raidinator seems to have SMTP TLS support, I figured I would try setting things up to email to a domain I have hosted on Google Apps. At this point, I have everything working IF I use a Gmail account but as soon as I switch to a Google Apps email address, it stops working and complains with smtpstatus=535 smtpmsg='535-5.7.1 Username and Password not accepted. Learn more at \n535 5.7.1 http://mail.google.com/support/bin/answer.py?answer=14257 30sm16076226wfd.23' errormsg='authentication failed (GNU SASL, method PLAIN)' exitcode=EX_NOPERM I'm wondering if anyone else has encountered this. Google's extremely aggressive captcha does not help but I am able to log in now without a captcha from a browser so I'm open to any ideas why the simple switch of a user/password combo that is supposed to work does not. I'm also attaching my config so that others can see how to set things up.

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• Cyrus: How Do I Configure saslauthd For Authentication?

  - by Nick

  I'm trying to get Cyrus IMAP (v 2.2 on Ubuntu 9.04) setup and working, but I'm having a bit of trouble getting the login working correctly. I've created a mailbox for my test user "nrahl": cm user/nrahl and then created a password: $ saslpasswd2 nrahl I'm attempting to connect to the mailbox using Thunderbird. I'm using the machine's LAN IP address as the host, and "nrahl" as the username. It connects to the server and prompts me for the password. When I enter it, I get "Login to server failed." in Thunderbird, and /var/log/mail.log shows: Apr 15 19:20:01 IMAP cyrus/imap[1930]: accepted connection Apr 15 19:20:09 IMAP cyrus/imap[1930]: badlogin: [192.168.5.21] plaintext nrahl SASL(-13): authentication failure: checkpass failed Part of /etc/imapd.conf with comments removed: sieveusehomedir: false sievedir: /var/spool/sieve #mailnotifier: zephyr #sievenotifier: zephyr #dracinterval: 0 #drachost: localhost hashimapspool: true allowplaintext: yes sasl_mech_list: PLAIN #allowapop: no #sasl_maximum_layer: 256 #loginrealms: example.com #virtdomains: userid #defaultdomain: sasl_pwcheck_method: saslauthd #sasl_auxprop_plugin: sasldb sasl_auto_transition: no UPDATE: When setting: sasl_pwcheck_method: alwaystrue in /etc/imapd.conf, login works correctly. So I'm assuming the issue is saslauthd related.

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• The Next RAC, ASM and Linux Forum. May 4, 2010 Beit HP Raanana

  - by alejandro.vargas

  The next RAC, ASM and Linux forum will take place next week, you are still on time to register : Israel Oracle Users Group RAC,ASM and Linux Forum This time we will have a panel formed by Principal Oracle Advanced Customer Services Engineers and RAC experts Galit Elad and Nickita Chernovski and Senior Oracle Advanced Customer Services Engineers and RAC experts Roy Burstein and Dorit Noga. They will address the subject: 5 years of experience with RAC at Israeli Customers, lessons learned. It is a wonderful opportunity to meet with the people that is present at most major implementations and helped to solve all major issues along the last years. In addition we will have 2 most interesting Customer Presentations: Visa Cal DBA Team Leader Harel Safra will tell about their experience with scalability using standard Linux Servers for their mission critical data warehouse. Bank Discount Infrastructure DBA Uril Levin, who is in charge of the Bank Backup and Recovery Project, will speak about their Corporate Backup Solution using RMAN; that includes an end to end solution for VLDBS and mission critical databases. One of the most interesting RMAN implementations in Israel. This time I will not be able to attend myself as I'm abroad on business, Galit Elad will greet you and will lead the meeting. I'm sure you will enjoy a very, very interesting meeting. Best Regards Alejandro

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• How to bind Apache to specific IP and port on Windows Server 2008

  - by webworm

  I have a Windows Server 2008 R2 that I use to host various ASP.NET applications under IIS7. I would also like to run various PHP based web apps using Apache (or Apache 2). The server has three static IP addresses assigned to it and I would like to bind one of the IP addresses to Apache while using the other two IP addresses for IIS. I can use the IIS Manager to bind the specific IP addresses to IIS, but I am unaware of how to do this with Apache. Can anyone tell me how to go about binding Apache to a specific IP address and port (port 80 is what I want to use). Please note .. I am aware that PHP can run under IIS. In fact that is how I have been running my PHP web applications. However, there are so many inconsistencies and pitfalls with PHP running under IIS that I just prefer to use Apache.

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• How to legitimately work around ISP rate limits

  - by Derek Ting

  A lot of ISP rate limit the amount of e-mails that is sent from a particular IP address. What is the proper way to get around that rate limit? Our company has an iPhone application that sends many e-mails because of our large user base and many e-mails go to different ISPs that rate limit the number of messages coming from a specific IP. We do not send spam and we are a legitimate business. However, is there a better way to resolve this limitation rather than just getting a ton of IP addresses? Ideally, I wouldn't want to rely on a third party service to send mail. However, if its the only possible solution, we would consider.

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• Connected 2 routers, but they won't talk

  - by ekolis

  I'm trying to set up a second WLAN at home (since the Nintendo DS firmware won't connect to my WPA-encrypted main WLAN), but when I connect my second router's WAN port to one of my main router's LAN ports, the routers won't talk, and I can't connect wirelessly to the second router. I can still see the second router's WLAN - I am just unable to connect to it. And it seems that even the main router can't see the second router, despite being plugged directly into it - I went to the main router's admin console and pinged the second router (which is receiving an IP address), but it was unable to reach it! Does anyone know what might be wrong? Thanks!

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• MS Word 2007 Mail Merge fails on ZIP codes with leading Zeros (eg. 01234)

  - by Pretzel

  I have an Excel Spreadsheet with a ZIP code column. For some dumb reason the original spreadsheet I got had all the zip codes stored as numbers, so a ZIP code like 01234 was stored as 1234. Easy to fix with "Format Column" as "Special = ZIP Code". All values like 1234, show up as 01234. Great! When I import it into Word via Mail Merge (to print address labels), the ZIP codes on all the addresses starting with a leading zero (like 01234) revert to their old form (1234). How do I fix this?

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• Oracle VM networking under the hood and 3 new templates

  - by Chris Kawalek

  We have a few cool things to tell you about:  First up: have you ever wondered what happens behind the scenes in the network when you Live Migrate your Oracle VM server workload? Or how Oracle VM implements the network infrastructure you configure through your point & click action in the GUI? Really….how do they do this? For an in-depth view of the Oracle VM for x86 Networking model, Look ‘Under the Hood’ at Networking in Oracle VM Server for x86 with our best practices engineer in a blog post on OTN Garage. Next, making things simple in Oracle VM is what we strive every day to deliver to our user community. With that, we are pleased to bring you updates on three new Oracle Application templates: E-Business Suite 12.1.3 for Oracle ExalogicOracle VM templates for Oracle E-Business Suite 12.1.3 (x86 64-bit for Oracle Exalogic Elastic Cloud) contain all the required elements to create an Oracle E-Business Suite R12 demonstration system on an Exalogic server. You can use these templates to quickly build an EBS 12.1.3 demonstration environment, bypassing the operating system and the software install (via the EBS Rapid Install). For further details, please review the announcement.   JD Edwards EnterpriseOne 9.1 and JD Edwards EnterpriseOne Tools 9.1.2.1 for x86 servers and Oracle Exalogic The Oracle VM Templates for JD Edwards EnterpriseOne provide a method to rapidly install JD Edwards EnterpriseOne 9.1  and Tools 9.1.2.1. The complete stack includes Oracle Database 11g R2 and Oracle WebLogic Server 10.3.5 running on Oracle Linux 5. The templates can be installed to Oracle VM Server for x86 release 3.x and to the Oracle Exalogic Elastic Cloud.  PeopleSoft PeopleTools 8.5.2.10 for Oracle Exalogic This virtual deployment package delivers a "quick start" of PeopleSoft Middle-tier template on Oracle Linux for Oracle Exalogic Elastic Cloud. And last, are you wondering why we talk about “fast”, “rapid” when we refer to using Oracle VM templates to virtualize Oracle applications? Read the Evaluator Group Lab Validation report quantifying speeds of deployment up to 10x faster than with VMware vSphere. Or you can also check out our on demand webcast Quantifying the Value of Application-Driven Virtualization.

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• Oracle OpenWorld Preview: Oracle Social Network Developer Challenge

  - by kellsey.ruppel

  Originally posted by Jake Kuramoto on The Apps Lab blog. Noel (@noelportugal) and I have been working on something new for OpenWorld (@oracleopenworld) for quite some time, and today, I got the final approvals to go ahead with the Oracle Social Network Developer Challenge. The skinny. The Challenge is a modified hackathon, designed to run during OpenWorld and JavaOne (@javaoneconf), and attendees of both conferences are welcome to join and compete for the single prize of $500 in Amazon gift cards. There’s only one prize, so bring your A-game. The Challenge begins Sunday, September 30 at 7 PM and ends Wednesday, October 3 at 4 PM. You can and should register now, but we won’t begin approving  registrations until Sunday at 7 PM. For legal reasons, you’ll need to register with a corporate email address, not a free webmail one, e.g. Gmail, Hotmail, Outlook, Yahoo Mail, ISP-provided mail, etc. If you work for a competitor of Oracle, sorry but you’re not eligible. Everything you need is in the cloud, including support, but if you need help or have questions, visit office hours in the OTN Lounge in the Howard Street tent Monday, October 1 and Tuesday, October 2 4-8 PM to get help from the product team. The judging begins Wednesday, October 3 at 4 PM. To be considered for the prize, you’ll need to attend to demo your working code to the judges. Attendees with badges from either OpenWorld or JavaOne are welcome in the OTN Lounge, so you’ll need one of those too. Did I mention, register now? Be sure to check out Jake's original post for the long-winded explanations.

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• Classic ASP on large memory server

  - by Steve Evans

  I have a client with a large ASP app that apparently is fairly memory intensive. I’m helping them migrate to new hardware they have running Win2k8 R2. They have 4 physical servers with 32gb of RAM each. I’m making the assumption that ASP apps run as a x32 process. So I see that we have two options: On the application pool enable web gardens. Use the physical servers as VM hosts and split the box into say 4 web servers each. Any thoughts on which path will provide us better performance? I’m just not really sure how ASP will handle a machine with lots of memory, and I’m worried it won’t really be able to address the memory well. (you can ignore all the obvious stuff like increased maintenance of 16 web servers vs 4, or the flexibility virtualization gets us over physical servers, etc)

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• CentOS 6.5 proxy bypass/no_proxy not working

  - by Naruto Uzumaki

  I am running CentOS 6.5 on my desktop. I've set the Network Proxy using the network proxy application provided under Preferences. I've also set the following exceptions: localhost,127.0.0.0/8,172.16.0.0/12,192.168.0.0./16 But whenever I am using wget (I'm testing the proxy settings using using wget) then wget tries to connect to the proxy for private addresses, but wget localhost works fine and doesn't use the proxy. I also removed all the proxy settings and set the proxy in the shell: export http_proxy="<proxy_url>:<port>" export https_proxy="<proxy_url>:<port>" export no_proxy="localhost,127.0.0.0/8,172.16.0.0/12,192.168.0.0./16" It work when I use the command wget <external_url> or wget localhost but fails when I use the command wget <private address from the $no_proxy variable>. I also tried setting the variables in Ubuntu 14.04 also and facing the same issue. Regards,

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• GWB | 30 in 60 Update &ndash; Enrique is almost there!

  - by Staff of Geeks

  We are very close to having our first blogger to reach 30 posts, Enrique Lima.  Stuart Brierley is over the hump with 16 posts and Dave Campbell and Eric Nelson are definitely in the running.  If you don’t know what I am talking about, we are running a contest for our bloggers.  Anyone who blogs on Geekswithblogs who creates 30 posts from May 15th to July 13th will receive a custom Geekswithblogs.net t-shirt with their URL on the back.  This could be their Geekswithblogs.net address or their custom domain.  It is definitely not too late to get started and with TechEd or WWDC right around the corner, there is definitely a lot to talk about. Current Standings: Enrique Lima (28 posts) - http://geekswithblogs.net/enriquelima StuartBrierley (16 posts) - http://geekswithblogs.net/StuartBrierley Dave Campbell (12 posts) - http://geekswithblogs.net/WynApseTechnicalMusings Eric Nelson (10 posts) - http://geekswithblogs.net/iupdateable Christopher House (10 posts) - http://geekswithblogs.net/13DaysaWeek mbcrump (7 posts) - http://geekswithblogs.net/mbcrump Chris Williams (6 posts) - http://geekswithblogs.net/cwilliams Michael Stephenson (5 posts) - http://geekswithblogs.net/michaelstephenson Steve Michelotti (5 posts) - http://geekswithblogs.net/michelotti Liam McLennan (5 posts) - http://geekswithblogs.net/liammclennan Follow Us On Twitter: @StaffOfGeeks Technorati Tags: Geekswithblogs,30 in 60,Standings

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• DYNDNS setup with TightVNC on Windows Server 2008 R2

  - by StealthRT

  Hey all, i seem to be having a problem with getting ports to forward on my Windows Server 2008 R2 PC. I already set all my port forwarding for 5900/5800 on my router for my PC's IP address (192.168.1.22) but when i try to use the TightVNC PFPortChecker on port 5900 it tells me its not opened! I can not even connect to my DYNDNS server name (xxxxxxx.dyndns.org). As a side note, i am running Windows XP SP3 within a VirtaulBox inside Windows Server 2008 R2 but running the PFPortChecker in Windows 2008 R2 brings the same results as it does in the VM. I also added them to the Windows Firewall Advanced Security form to add those inbound ports for full access. What could i possibly be missing? Thanks for your time! David

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• Partner Webcast - Rethink HR! Introducing New Fusion HCM - 05 July 2012

  - by Thanos

  Introducing New Cloud Applications from the Leader in Human Capital Management Customers are constantly looking for better ways to manage talent, develop leaders, engage with employees, and strategically plan their workforce. To meet these challenges, you need modern applications that can efficiently deliver analytical insights, collaborative tools, and a personalized user experience. That's why Oracle has rethought the business of HR to provide value to the entire organization—from HR professionals to employees to managers. With Oracle Fusion Human Capital Management, you can: Do things your way with a role-centric user experience that can be personalized to the way you work Know your people better with the most complete HR business intelligence capabilities Work as a team by quickly finding and connecting with peers and experts to deliver concrete results Leverage enterprise-grade software as a service (SaaS) to get up and running fast and securely Our speaker, Csaba Fehér, HCM Senior Sales Consultant, will share how Oracle Fusion Human Capital Management can deliver immediate business value with new techniques and the latest innovations to address your toughest concerns, including how to: Align compensation and performance Organize and calibrate critical talent Predict key workforce trends and risks Delivery FormatThis FREE online LIVE eSeminar will be delivered over the Web. Registrations received less than 24hours prior to start time may not receive confirmation to attend. Duration: 1 hour Register Now! For any questions please contact us at [email protected]

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• Silverlight Cream for December 29, 2010 -- #1018

  - by Dave Campbell

  In this Issue: Arik Poznanski, Derik Whittaker(-2-), Alex Knight, Maurice de Beijer, Jesse Liberty, Jason Ginchereau, Jeff Blankenburg, Mike Snow, and Peter Kuhn. Above the Fold: Silverlight: "Silverlight: Reading from a File Contained in your XAP" Mike Snow WP7: "A ReorderListBox for Windows Phone 7" Jason Ginchereau Expression Blend: "PathListBox: making rockin' animations" Alex Knight From SilverlightCream.com: Order in Chaos: Dependency Property Value Resolution Arik Poznanski sent me the link to his blog with this Dependency property value resolution post which demonstrates in successive detail xaml for each of the scenarios. Closing the Virtual Keyboard (SIP) and forcing binding in WP7 Derik Whittaker has a couple new posts up... this first is about how to close the SIP and forcing binding in a WP7 app... if you've run many WP7 apps I'm sure you understand the issue. Help my Slider control does not work inside a Grid in WP7 In Derik Whittaker's next post he details a problem he had with a Slider in a Grid that went AWOL... and how he resolved it.. also is asking why the solution works. PathListBox: making rockin' animations Holy Crap ... Alex Knight has his second PathListBox tutorial up and just stop reading and go check it out... dang! ... I'll still be here when you come back! Windows Phone 7, Animations and Data Binding Maurice de Beijer details an interesting problem he ran into where his databinding was hampering a page animation, what the root problem was and how he resolved it.. good information. Windows Phone From Scratch – Navigation Jesse Liberty has the next episode in the Windows Phone from Scratch series up and is talking about Navigation... he demos an ap with 3 pages and simple navigation this time. A ReorderListBox for Windows Phone 7 Found in Jeff Blankenburg's number 11, this post by Jason Ginchereau is a description of a Drag/Drop reodering ListBox drop-in for WP7 ... very cool, and source is on the post. What I Learned In WP7 – #Issue 11 Jeff Blankenburg's number 11 is a couple links itself... one to Jeff Wilcox for Silverlight UnitTest Framework, and one to Jason Ginchereau for Listbox Drag/Drop reordering... going to have to look that one up. Silverlight: Reading from a File Contained in your XAP Mike Snow's latest is on how to load up an extraneous file into your xap for loading at run-time and how to get that to actually work. XNA: Sophisticated primitives Peter Kuhn has a post up on using the XNA PrimitiveBatch class... he had trouble with it at first, and explains how to use it. XNA you say? ... think WP7. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• OpenGL - have object follow mouse

  - by kevin james

  I want to have an object follow around my mouse on the screen in OpenGL. (I am also using GLEW, GLFW, and GLM). The best idea I've come up with is: Get the coordinates within the window with glfwGetCursorPos. The window was created with window = glfwCreateWindow( 1024, 768, "Test", NULL, NULL); and the code to get coordinates is double xpos, ypos; glfwGetCursorPos(window, &xpos, &ypos); Next, I use GLM unproject, to get the coordinates in "object space" glm::vec4 viewport = glm::vec4(0.0f, 0.0f, 1024.0f, 768.0f); glm::vec3 pos = glm::vec3(xpos, ypos, 0.0f); glm::vec3 un = glm::unProject(pos, View*Model, Projection, viewport); There are two potential problems I can already see. The viewport is fine, as the initial x,y, coordinates of the lower left are indeed 0,0, and it's indeed a 1024*768 window. However, the position vector I create doesn't seem right. The Z coordinate should probably not be zero. However, glfwGetCursorPos returns 2D coordinates, and I don't know how to go from there to the 3D window coordinates, especially since I am not sure what the 3rd dimension of the window coordinates even means (since computer screens are 2D). Then, I am not sure if I am using unproject correctly. Assume the View, Model, Projection matrices are all OK. If I passed in the correct position vector in Window coordinates, does the unproject call give me the coordinates in Object coordinates? I think it does, but the documentation is not clear. Finally, to each vertex of the object I want to follow the mouse around, I just increment the x coordinate by un[0], the y coordinate by -un[1], and the z coordinate by un[2]. However, since my position vector that is being unprojected is likely wrong, this is not giving good results; the object does move as my mouse moves, but it is offset quite a bit (i.e. moving the mouse a lot doesn't move the object that much, and the z coordinate is very large). I actually found that the z coordinate un[2] is always the same value no matter where my mouse is, probably because the position vector I pass into unproject always has a value of 0.0 for z. Edit: The (incorrectly) unprojected x-values range from about -0.552 to 0.552, and the y-values from about -0.411 to 0.411.

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• pxelinux hanging when booting client machine

  - by Blasphemophagher

  I'm kind of new to all of this, so please forgive any vagueness/misunderstandings on my part. I'm using pxelinux and VMs to create CentOS 6.0 machines that have the same install every time. I have a new VM set to boot from network, but in the process of booting up it gets stuck at "Loading 10.1.1.20:/pxelinux.0" (10.1.1.20 is the address of the server it's getting info from). pxelinux conf: http://pastebin.com/4XfZZPY1 I'm pretty sure all my config files are correct, could it be VirtualBox related? I have both the building server and the new client set to Host-only adapter and PCNET-FAST.

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• A message to Denis Pitcher

  - by guybarrette

  Denis Pitcher, You posted this comment on my blog and some other blogs: Devteach's promotion for a one year MSDN subscription was not honoured and attempts to contact them result in a "we sent attendee info to MS, it's not our problem" response while attempts to contact Microsoft result in the suggestion that any queries should be redirect to Devteach. Hopefully not all attendees we're cheated though if you're considering attending a future Devteach it is recommended that you don't hold any expectation that they'll honour their promotions. I spoke to Jean-René Roy, DevTeach organizer and also to MSDN Canada folks.  Looks like the email you used to register for the conference is now bouncing (maybe a typo when you registered?).  That why you haven’t received any news about the offer.  The fact that you’re leaving the same comment on various blogs without your email address doesn’t help at all.  Thay want to contact you!  Also, looks like they never received your emails, maybe you used a the wrong email addresses. Anyway, please contact Jean-René Roy at [email protected] ASAP.

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• Configuring a Genius GW-7200 Access Point

  - by alex

  I came across an access point we had a few years ago. I'm now trying to get it set up to work on our network. here are a couple of pictures: http://twitpic.com/194u06/full http://twitpic.com/194u0v/full I have plugged this into our network via the network port on the back. I set up a DHCP reservation, based on the MAC address on the back of the access point, however I cannot ping it, nor access the web interface. I've held down the reset button for 10 seconds, to see if that would do anything. Google doesn't come up with anything on the matter :-(

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• [MINI HOW-TO] Remove a Network Computer from Windows Home Server

  - by Mysticgeek

  One of the cool features of Windows Home Server is the ability to backup and monitor the computers on your network. If you no longer need a machine on to be monitored or backed up, here we show you how to remove it. Remove Computer from WHS The process if straight-forward and basic –Open Windows Home Server Console and click on Computers & Backup. Right-click on the computer that you no longer need and click Remove. You’ll be prompted to verify that you want to remove the machine and delete all of its backup data. Check the box I am sure I want to remove this computer then click the Remove button. That’s all there is to it! The computer and all of its backup data is removed. Remember that if you remove a computer, all of its backup data will be deleted as well. If you no longer have the computer, you probably don’t need the backed up data anyway, but you’ll want to be sure you no longer need it before removing it. Similar Articles Productive Geek Tips GMedia Blog: Setting Up a Windows Home ServerRestore Files from Backups on Windows Home ServerCreate A Windows Home Server Home Computer Restore DiscInstalling Windows Home ServerChange Ubuntu Server from DHCP to a Static IP Address TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Beware Hover Kitties Test Drive Mobile Phones Online With TryPhone Ben & Jerry’s Free Cone Day, 3/23/10 New Stinger from McAfee Helps Remove ‘FakeAlert’ Threats Google Apps Marketplace: Tools & Services For Google Apps Users Get News Quick and Precise With Newser

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• OpenVPN bandwith restrictrictions and cpu power needed

  - by user197664

  In Open VPN is there a way to set a maximum limit of data and speed per user? Say user "reptar' is abusing the VPN and I wanted to limit his/her speeds and/or data how would one go about doing this? Would I need to know the IP address of the abuser? Also, I have seen articles around the internet about turing a Rasberry PI in to a VPN server. If I did such a thing how many users would this device be able to handle at a given time? I believe it runs at 512 gb and clocks at around 700 mhz.

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• When DNS doesn't cache

  - by John Francis

  We've had some odd DNS problems over the past couple of days that I don't fully understand. Some of our DNS names stopped resolving for some of our customers due to some 'unknown' server reconfiguration at our DNS provider. The problem seemed to be intermittent i.e. stopped working and started working within a few minutes over a couple of days. I'm no expert on DNS, but I'd have expected DNS caches to prevent this sort of thing from happening - when we need to change an IP address for a DNS record, it can take 24 hours to propogate, so how can our DNS provider be breaking name resolution intermittently for our customers so easily? Shouldn't the DNS caches kick in here? We had a similar problem about a month ago when one of their nameservers 'decided to reload the DNS database from scratch' - this broke our name resolution too. Again, why didn't the caches satisfy the name resolution requests. Any guesses would be appreciated. John

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• cassandra node discovery

  - by eQuiNoX__

  I just set up a 3 node system with ip addresses "192.168.0.101", "192.168.0.102", "192.168.0.103". I have set the seeds value on the configuration of all three machines as seeds: "192.168.0.101,192.168.0.102,192.168.0.103" However, on running nodetool on any of them, only the 103 machine gets discovered. node101:/opt/cassandra/apache-cassandra-0.8.5/bin# ./nodetool ring -h 192.168.0.101 Address DC Rack Status State Load Owns Token 192.168.0.103 datacenter1 rack1 Up Normal 151.96 KB 100.00% 38174485210079977599903748344879358256 Could someone tell me where the problem lies?

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• Custom session: Window does not capture full screen area by default. 12.04

  - by juzerali

  I am trying to create a custom session by creating a custom.desktop file in /usr/share/xesessions folder. Remember this is not a gnome or some other session. I have created my own application for this session, which are simple. Case 1 Chrome Browser Contents of custom.desktop file [Desktop Entry] Name=Internet Kiosk Comment=This is an internet kiosk Exec=google-chrome --kiosk TryExec= Icon= Type=Application Issue Chrome browser starts in kiosk mode but does not capture complete screen area. Some area is left at the bottom and right side of the screen. Case 2 Custom pyGTK app (Quickly) Contents of custom.desktop file [Desktop Entry] Name=Custom Kiosk Comment=This is a custom kiosk Exec=~/MyCustomPyGTKApp TryExec= Icon= Type=Application Issue My custom pyGTK app has window.fullScreen() in the code. That means it should open in full screen without the window chrome (and it does under the normal session). But that too, leaves lots of space around it. Need Help Can anyone tell me whats going on here. I think its some issue with borders as pointed out at http://www.instructables.com/id/Setting-Up-Ubuntu-as-a-Kiosk-Web-Appliance/?ALLSTEPS in Step 8 If by chance, Google Chromium is not stretched to the edges with the --kiosk switch enabled there is a simple fix. To stretch Chromium simply log in as your regular user and edit chromeKiosk.sh to not have the --kiosk switch. Then log in as the restricted user, click the wrench and choose options. Then on the Personal Stuff tab select Hide system title bar and use compact borders. Close the options screen and stretch Chromium to fit the monitor. Then go back into the options window and set it to Use system title bar and borders. After this is done, log out of your restricted user (might need to just reboot) and log into your regular user. Edit chromeKiosk.sh back to include the --kiosk switch again and Chromium should be full screen next time you log into the restricted user. If I were to use a custom pyGTK or a gtkmm app, how should I get around this issue. window.fullScreen() should occupy the complete screen area. This has to be done programmatically or in some other way that can scale. I have to deploy this on large number of machines located at different geographical areas. Doing it manually on every machine is not possible.

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