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• How to change "Dynamic Web Project" default source and output folders in Eclipse?

  - by Leslie Norman

  How can I change default values of "source folders on build path" and "default output folder" in "Dynamic Web Project" wizard in Eclipse, probably in the way as we do for "Java Project" in Windows Preferences Java Build Path The purpose is: each time I create new Dynamic Web Project, the wizard should show default source and output folders of my choice. Since this option is available for Java project so I believe there should be something similar for Web Projects too but I am unable to find it. BTW I tried changing defaults of Java project but it does not effect dynamic web projects.

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• Automating Excel 2010 using F#

  - by Clive Norman

  I have been searching for a FAQ to tell me how to open a Excel Workbook/Worksheet and also how to Save the File once I have finished. I notice that in most FAQ and all the books I have purchased on F# one is show how to create a new Workbook/Worksheet but is never shown how to either open or Save it. Being a newbie to F# I would very much appreciate it if anyone could kindly provide me with either an answer or perhaps a few pointers? Update As for why F# and not C# or VB? I am pleased to say that inspite of being a newbie (with the exception of Forth, VBA & Excel 2003, 2007 & 2010 and Visual Basic) I can do this in both VB, VBA & C# and since I've been retired on medical grounds, with plenty of time unfortunately on my hands, I like to continually set myself challenges to keep my little grey cells active and being a sucker for trying new languages....well! F# is now an intergral part of Visual Studio 2010 so I thought - why not. Consider this - if we are not willing to use or at least try a new languages - I would always be wonder if I might have prefer it to VBA, VB, C# ..... and if you look at it from another point of view, if no one is going to use it - why create it in the first place? I suppose you can say if cave men hadn't experimented and made fire by rubbing two sticks together - where would we be now and would matches have been invented? Although an complete answer would be good, I prefer a few pointers, to keep my challenge going. And lastly but not least - thank you for taking the trouble to respond!

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• What version-control system is most trivial to set up and use for toy projects?

  - by Norman Ramsey

  I teach the third required intro course in a CS department. One of my homework assignments asks students to speed up code they have written for a previous assignment. Factor-of-ten speedups are routine; factors of 100 or 1000 are not unheard of. (For a factor of 1000 speedup you have to have made rookie mistakes with malloc().) Programs are improved by a sequence is small changes. I ask students to record and describe each change and the resulting improvement. While you're improving a program it is also possible to break it. Wouldn't it be nice to back out? You can see where I'm going with this: my students would benefit enormously from version control. But there are some caveats: Our computing environment is locked down. Anything that depends on a central repository is suspect. Our students are incredibly overloaded. Not just classes but jobs, sports, music, you name it. For them to use a new tool it has to be incredibly easy and have obvious benefits. Our students do most work in pairs. Getting bits back and forth between accounts is problematic. Could this problem also be solved by distributed version control? Complexity is the enemy. I know setting up a CVS repository is too baffling---I myself still have trouble because I only do it once a year. I'm told SVN is even harder. Here are my comments on existing systems: I think central version control (CVS or SVN) is ruled out because our students don't have the administrative privileges needed to make a repository that they can share with one other student. (We are stuck with Unix file permissions.) Also, setup on CVS or SVN is too hard. darcs is way easy to set up, but it's not obvious how you share things. darcs send (to send patches by email) seems promising but it's not clear how to set it up. The introductory documentation for git is not for beginners. Like CVS setup, it's something I myself have trouble with. I'm soliciting suggestions for what source-control to use with beginning students. I suspect we can find resources to put a thin veneer over an existing system and to simplify existing documentation. We probably don't have resources to write new documentation. So, what's really easy to setup, commit, revert, and share changes with a partner but does not have to be easy to merge or to work at scale? A key constraint is that programming pairs have to be able to share work with each other and only each other, and pairs change every week. Our infrastructure is Linux, Solaris, and Windows with a netapp filer. I doubt my IT staff wants to create a Unix group for each pair of students. Is there an easier solution I've overlooked? (Thanks for the accepted answer, which beats the others on account of its excellent reference to Git Magic as well as the helpful comments.)

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• How can I program ksh93 to use bash autocompletion?

  - by Norman Ramsey

  In a comment in response to a shell question, user tinkertim said that it was easy to hack ksh to use the bash autocompletion library. I would like nothing better than to use bash autocompletion with AT&T ksh93. How can this be done? ksh93 has a new release several times a year, so I am looking for a solution that does not involve modifying the source code. ksh93 can link new C modules dynamically and also is highly programmable (I run a ksh function at every keystroke), so modifying the source should not really be necessary. Note: I am not talking about filename autocompletion, which is easy to do in ksh. I'm talking about all the other yummy autocompletion stuff that bash does, like autocompletion options for nmh commands or autocompleting Mercurial commmands. Stuff like that.

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• OpenSSL Ignore Self-signed certificate error

  - by Ramsey

  I'm writing a small program with the OpenSSL library that is suppose to establish a connection with an SSLv3 server. This server dispenses a self-signed certificate, which causes the handshake to fail with this message: "sslv3 alert handshake failure, self signed certificate in certificate chain." Is there a way I can force the connection to proceed? I've tried calling SSL_CTX_set_verify like so: SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, NULL); But it does not seem to change anything. Any suggestions?

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• MYSQL: COUNT with GROUP BY, LEFT JOIN and WHERE clause doesn't return zero values

  - by Paul Norman

  Hi guys, thanks in advance for any help on this topic! I'm sure this has a very simply answer, but I can't seem to find it (not sure what to search on!). A standard count / group by query may look like this: SELECT COUNT(`t2`.`name`) FROM `table_1` `t1` LEFT JOIN `table_2` `t2` ON `t1`.`key_id` = `t2`.`key_id` GROUP BY `t1`.`any_col` and this works as expected, returning 0 if no rows are found. So does: SELECT COUNT(`t2`.`name`) FROM `table_1` `t1` LEFT JOIN `table_2` `t2` ON `t1`.`key_id` = `t2`.`key_id` WHERE `t1`.`another_column` = 123 However: SELECT COUNT(`t2`.`name`) FROM `table_1` `t1` LEFT JOIN `table_2` `t2` ON `t1`.`key_id` = `t2`.`key_id` WHERE `t1`.`another_column` = 123 GROUP BY `t1`.`any_col` only works if there is at least one row in table_1 and fails miserably returning an empty result set if there are zero rows. I would really like this to return 0! Anyone enlighten me on this? Beer can be provided in exchange if you are in London ;-)

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• Silly Developers, VirtualBox Is For Sysadmins!

  - by rickramsey

  That's one of my favorite bumper stickers. (Well, along with the sticker placed upside down on Jeep windows that says "If you can read this, roll me over.") I don't object to the "silly boys" sticker because, in my humble opinion, girls look much cuter in Jeeps than guys do. But as Ginny Henningsen points out, a similar sentiment can be applied to Oracle VM VirtualBox. While writing her other sysadmin-related articles for OTN, Ginny horsed around with VirtualBox so much that she fell in love with it. Not as a developer, but as a sysadmin. Read why she thinks it's such a great sysadmin tool: My New Favorite Sysadmin Tool: Oracle VM VirtualBox Here are some of Ginny's other articles: How I Simplified Oracle Database Installation on Oracle Linux Best Way to Update Software With IPS Best Way to Automate ZFS Snapshots and Track Software Updates Best Way to Update Software in Zones - Rick Ramsey Website Newsletter Facebook Twitter

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• ArchBeat Link-o-Rama for 2012-04-04

  - by Bob Rhubart

  Is This How the Execs React to Your Recommendations? blogs.oracle.com "Well then, do your homework next time!" advises Rick Ramsey, and offers a list of Oracle Solaris 11 resources that just might make your next encounter a little less humiliating. WebLogic Server Performance and Tuning: Part I - Tuning JVM | Gokhan Gungor blogs.oracle.com A detailed how-to post from Gokhan Gungor. How to deal with transport level security policy with OSB | Jian Liang blogs.oracle.com Jian Liang shares "a use case for Oracle Service Bus (OSB) 11gPS4 to consume a Web Service which is secured by HTTP transport level security policy." Thought for the Day "Simple things should be simple and complex things should be possible." — Alan Kay

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• Twin Cities Connected Systems User Group Meeting May 20th, 2010

  If you are in Minneapolis on Thursday May 20th please join us for the Twin Cities Connected Systems User Group Meeting. The meeting takes place at 6:00 p.m. at the Microsoft offices at 8300 Norman Center Drive, Bloomington, MN 55437. Scott Colestock will be speaking on Everything you wanted to know about Velocity but were afraid to cache Here is a write-up of what will be covered: Scott Colestock will be talking about Microsoft's AppFabric Cache.  The AppFabric Cache (aka Velocity)...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• November 2012 Chicago IT Architects Group Meeting Announcement

  - by Tim Murphy

  The year is quickly coming to an end.  This is the most exciting part of the year with technology manufacturers in overdrive trying to release as many products for Christmas as possible.  Our group is trying to do our part to bring order to the madness with one last presentation for the year.  Norman Murrin will be speaking on November 20th on Adopting Agile Processes in the Enterprise.  Be sure to join us by registering at the link below. Register del.icio.us Tags: Chicago Information Technology Architects Group,CITAG,Agile,Architecture

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• Twin Cities Connected Systems User Group Meeting - March 11th, 2010

  If you are in are in Minneapolis on Thursday March 11th please join us for the Twin Cities Connected Systems User Group Meeting. The meeting takes place at 6:00 p.m. at the Microsoft offices at 8300 Norman Center Drive, Bloomington, MN 55437.  I will be speaking on How to Create Windows Server AppFabric Applications Here is a write-up of what will be covered: You have heard about Dublin, now called Windows Server AppFabric, but do you know what it is and what it includes?  Do you know...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Solaris 11 Launch Blog Carnival Roundup

  - by constant

  Solaris 11 is here! And together with the official launch activities, a lot of Oracle and non-Oracle bloggers contributed helpful and informative blog articles to help your datacenter go to eleven. Here are some notable blog postings, sorted by category for your Solaris 11 blog-reading pleasure: Getting Started/Overview A lot of people speculated that the official launch of Solaris 11 would be on 11/11 (whatever way you want to turn it), but it actually happened two days earlier. Larry Wake himself offers 11 Reasons Why Oracle Solaris 11 11/11 Isn't Being Released on 11/11/11. Then, Larry goes on with a summary: Oracle Solaris 11: The First Cloud OS gives you a short and sweet rundown of what the major new features of Solaris 11 are. Jeff Victor has his own list of What's New in Oracle Solaris 11. A popular Solaris 11 meme is to write a blog post about 11 favourite features: Jim Laurent's 11 Reasons to Love Solaris 11, Darren Moffat's 11 Favourite Solaris 11 Features, Mike Gerdt's 11 of My Favourite Things! are just three examples of "11 Favourite Things..." type blog posts, I'm sure many more will follow... More official overview content for Solaris 11 is available from the Oracle Tech Network Solaris 11 Portal. Also, check out Rick Ramsey's blog post Solaris 11 Resources for System Administrators on the OTN Blog and his secret 5 Commands That Make Solaris Administration Easier post from the OTN Garage. (Automatic) Installation and the Image Packaging System (IPS) The brand new Image Packaging System (IPS) and the Automatic Installer (IPS), together with numerous other install/packaging/boot/patching features are among the most significant improvements in Solaris 11. But before installing, you may wonder whether Solaris 11 will support your particular set of hardware devices. Again, the OTN Garage comes to the rescue with Rick Ramsey's post How to Find Out Which Devices Are Supported By Solaris 11. Included is a useful guide to all the first steps to get your Solaris 11 system up and running. Tim Foster had a whole handful of blog posts lined up for the launch, teaching you everything you need to know about IPS but didn't dare to ask: The IPS System Repository, IPS Self-assembly - Part 1: Overlays and Part 2: Multiple Packages Delivering Configuration. Watch out for more IPS posts from Tim! If installing packages or upgrading your system from the net makes you uneasy, then you're not alone: Jim Laurent will tech you how Building a Solaris 11 Repository Without Network Connection will make your life easier. Many of you have already peeked into the future by installing Solaris 11 Express. If you're now wondering whether you can upgrade or whether a fresh install is necessary, then check out Alan Hargreaves's post Upgrading Solaris 11 Express b151a with support to Solaris 11. The trick is in upgrading your pkg(1M) first. Networking One of the first things to do after installing Solaris 11 (or any operating system for that matter), is to set it up for networking. Solaris 11 comes with the brand new "Network Auto-Magic" feature which can figure out everything by itself. For those cases where you want to exercise a little more control, Solaris 11 left a few people scratching their heads. Fortunately, Tschokko wrote up this cool blog post: Solaris 11 manual IPv4 & IPv6 configuration right after the launch ceremony. Thanks, Tschokko! And Milek points out a long awaited networking feature in Solaris 11 called Solaris 11 - hostmodel, which I know for a fact that many customers have looked forward to: How to "bind" a Solaris 11 system to a specific gateway for specific IP address it is using. Steffen Weiberle teaches us how to tune the Solaris 11 networking stack the proper way: ipadm(1M). No more fiddling with ndd(1M)! Check out his tutorial on Solaris 11 Network Tunables. And if you want to get even deeper into the networking stack, there's nothing better than DTrace. Alan Maguire teaches you in: DTracing TCP Congestion Control how to probe deeply into the Solaris 11 TCP/IP stack, the TCP congestion control part in particular. Don't miss his other DTrace and TCP related blog posts! DTrace And there we are: DTrace, the king of all observability tools. Long time DTrace veteran and co-author of The DTrace book*, Brendan Gregg blogged about Solaris 11 DTrace syscall provider changes. BTW, after you install Solaris 11, check out the DTrace toolkit which is installed by default in /usr/dtrace/DTT. It is chock full of handy DTrace scripts, many of which contributed by Brendan himself! Security Another big theme in Solaris 11, and one that is crucial for the success of any operating system in the Cloud is Security. Here are some notable posts in this category: Darren Moffat starts by showing us how to completely get rid of root: Completely Disabling Root Logins on Solaris 11. With no root user, there's one major entry point less to worry about. But that's only the start. In Immutable Zones on Encrypted ZFS, Darren shows us how to double the security of your services: First by locking them into the new Immutable Zones feature, then by encrypting their data using the new ZFS encryption feature. And if you're still missing sudo from your Linux days, Darren again has a solution: Password (PAM) caching for Solaris su - "a la sudo". If you're wondering how much compute power all this encryption will cost you, you're in luck: The Solaris X86 AESNI OpenSSL Engine will make sure you'll use your Intel's embedded crypto support to its fullest. And if you own a brand new SPARC T4 machine you're even luckier: It comes with its own SPARC T4 OpenSSL Engine. Dan Anderson's posts show how there really is now excuse not to encrypt any more... Developers Solaris 11 has a lot to offer to developers as well. Ali Bahrami has a series of blog posts that cover diverse developer topics: elffile: ELF Specific File Identification Utility, Using Stub Objects and The Stub Proto: Not Just For Stub Objects Anymore to name a few. BTW, if you're a developer and want to shape the future of Solaris 11, then Vijay Tatkar has a hint for you: Oracle (Sun Systems Group) is hiring! Desktop and Graphics Yes, Solaris 11 is a 100% server OS, but it can also offer a decent desktop environment, especially if you are a developer. Alan Coopersmith starts by discussing S11 X11: ye olde window system in today's new operating system, then Calum Benson shows us around What's new on the Solaris 11 Desktop. Even accessibility is a first-class citizen in the Solaris 11 user interface. Peter Korn celebrates: Accessible Oracle Solaris 11 - released! Performance Gone are the days of "Slowaris", when Solaris was among the few OSes that "did the right thing" while others cut corners just to win benchmarks. Today, Solaris continues doing the right thing, and it delivers the right performance at the same time. Need proof? Check out Brian's BestPerf blog with continuous updates from the benchmarking lab, including Recent Benchmarks Using Oracle Solaris 11! Send Me More Solaris 11 Launch Articles! These are just a few of the more interesting blog articles that came out around the Solaris 11 launch, I'm sure there are many more! Feel free to post a comment below if you find a particularly interesting blog post that hasn't been listed so far and share your enthusiasm for Solaris 11! *Affiliate link: Buy cool stuff and support this blog at no extra cost. We both win! var flattr_uid = '26528'; var flattr_tle = 'Solaris 11 Launch Blog Carnival Roundup'; var flattr_dsc = '<strong>Solaris 11 is here!</strong>And together with the official launch activities, a lot of Oracle and non-Oracle bloggers contributed helpful and informative blog articles to help your datacenter <a href="http://en.wikipedia.org/wiki/Up_to_eleven">go to eleven</a>.Here are some notable blog postings, sorted by category for your Solaris 11 blog-reading pleasure:'; var flattr_tag = 'blogging,digest,Oracle,Solaris,solaris,solaris 11'; var flattr_cat = 'text'; var flattr_url = 'http://constantin.glez.de/blog/2011/11/solaris-11-launch-blog-carnival-roundup'; var flattr_lng = 'en_GB'

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• Great Blogs About Oracle Solaris 11

  - by Markus Weber

  Now that Oracle Solaris 11 has been released, why not blog about blogs. There is of course a tremendous amount of resource and information available, but valuable insights directly from people actually building the product is priceless. Here's a list of such great blogs. NOTE: If you think we missed some good ones, please let us know in the comments section !  Topic Title Author Top 11 Things My 11 favourite Solaris 11 features Darren Moffat Top 11 Things These are 11 of my favorite things! Mike Gerdts Top 11 Things 11 reason to love Solaris 11     Jim Laurent SysAdmin Resources Solaris 11 Resources for System Administrators Rick Ramsey Overview Oracle Solaris 11: The First Cloud OS Larry Wake Overview What's a "Cloud Operating System"? Harry Foxwell Overview What's New in Oracle Solaris 11 Jeff Victor Try it ! Virtually the fastest way to try Solaris 11 (and Solaris 10 zones) Dave Miner Upgrade Upgrading Solaris 11 Express b151a with support to Solaris 11 Alan Hargreaves IPS The IPS System Repository Tim Foster IPS Building a Solaris 11 repository without network connection Jim Laurent IPS IPS Self-assembly – Part 1: overlays Tim Foster IPS Self assembly – Part 2: multiple packages delivering configuration Tim Foster Security Immutable Zones on Encrypted ZFS Darren Moffat Security User home directory encryption with ZFS Darren Moffat Security Password (PAM) caching for Solaris su - "a la sudo" Darren Moffat Security Completely disabling root logins on Solaris 11 Darren Moffat Security OpenSSL Version in Solaris Darren Moffat Security Exciting Crypto Advances with the T4 processor and Oracle Solaris 11 Valerie Fenwick Performance Critical Threads Optimization Rafael Vanoni Performance SPARC T4-2 Delivers World Record SPECjvm2008 Result with Oracle Solaris 11 BestPerf Blog Performance Recent Benchmarks Using Oracle Solaris 11 BestPerf Blog Predictive Self Healing Introducing SMF Layers Sean Wilcox Predictive Self Healing Oracle Solaris 11 - New Fault Management Features Gavin Maltby Desktop What's new on the Solaris 11 Desktop? Calum Benson Desktop S11 X11: ye olde window system in today's new operating system Alan Coopersmith Desktop Accessible Oracle Solaris 11 - released! Peter Korn

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• ArchBeat Top 20 for March 11-17, 2012

  - by Bob Rhubart

  The 20 most-clicked links as shared via my social networks for the week of March 11-17, 2012. Start Small, Grow Fast: SOA Best Practices article by @biemond, @rluttikhuizen, @demed Packt Publishing offers discounts of up to 30% on 60+ Oracle titles IT Strategies from Oracle; Three Recipes for Oracle Service Bus 11g ; Stir Up Some SOA Oracle Cloud Conference: dates and locations worldwide Applications Architecture | Roy Hunter and Brian Rasmussen How Strategic is IT? - Assessing Strategic Value | Al Kiessel White Paper: An Architect’s Guide to Big Data | Dr. Helen Sun, Peter Heller Getting Started with Oracle Unbreakable Enterprise Kernel Release 2 | Lenz Grimmer Great Solaris 10 features paving the way to Solaris 11 | Karoly Vegh Who the Linux Developer Met on His Way to St. Ives | Rick Ramsey Peripheral Responsibilities Required for Large IDM Build Outs (Including Fusion Apps) | Brian Eidelman IOUG Real World Performance Tour, w/Tom Kyte, Andrew Holdsworth, Graham Wood Configure IPoIB on Solaris 10 branded zone | Leo Yuen Oracle OpenWorld 2012 Call for Papers Use Case Assumptions versus Pre-Conditions | Dave Burke Handling Custom XML documents in Oracle B2B | @Biemond Building a Coherence Cluster with Multiple Application Servers | Rene van Wijk XMLA vs BAPI | Sunil S. Ranka The Java EE 6 Example - Running Galleria on WebLogic 12 - Part 3 | @MyFear Public Sector Architecture | @jeremy_forman, @hamzajahangir Thought for the Day "The goal of Computer Science is to build something that will last at least until we've finished building it." —Anonymous

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• How to Find Out Which Devices Are Supported By Solaris 11

  - by rickramsey

  Image of monks gathering on the steps of the main hall in the Tashilhunpo Monastery is courtesy of Alison Whitear Travel Photography. In his update of Brian Leonard's original Taking Your First Steps With Oracle Solaris, Glynn Foster walks you through the most basic steps required to get a version of Oracle Solaris 11 operational: Installing Solaris (VirtualBox, bare metal, or multi-boot) Managing users (root role, sudo command) Managing services with SMF (svcs and svcadm) Connecting to the network (with SMF or manually via dladm and ipadm) Figuring out the directory structure Updating software (with the IPS GUI or the pkg command) Managing package repositories Creating and managing additional boot environments One of the things you'll have to consider as you install Solaris 11 on an x86 system is whether Solaris has the proper drivers for the devices on your system. In the section titled "Installing On Bare Metal as a Standalone System," Glynn shows you how to use the Device Driver utility that's included with the Graphical Installer. However, if you want to get that information before you start installing Solaris 11 on your x86 system, you can consult the x86 Device List that's part of the Oracle Solaris Hardware Compatibility List (HCL). Here's how: Open the Device List. Scroll down to the table. Open the "Select Release" pull-down menu and pick "Solaris 11 11/11." Move over to the "Select Device Type" pull-down menu, and pick the device type. Or "All." The table will list all the devices of that type that are supported by Solaris 11, including PCI ID and vendor. In the coming days the Solaris Hardware Compatibility List will be updated with more Solaris 11 content. Stay tuned. - Rick Ramsey Website Newsletter Facebook Twitter

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• Solaris 11 Resources for System Administrators

  - by rickramsey

  Have too much to worry about? Let us lighten the load. OTN's job is to filter through all the available resources and take you straight to the content that will help you do your job. For starters ... Oracle Solaris 11 Documentation Library Rock-solid instructions and background from the best tech writers in the business. Includes: Getting Started (including What's New and Release Notes) Installing and Updating (includes info about IPS) Administration Guide Security Guide Working With the Desktop Developing Applications for Solaris 11 Reference Manuals Important Information from Previous Releases Related Information Legal Notes Oracle Solaris 11 Training Oracle University offers training and certification for sysadmins at all levels. If you're familiar with Oracle Solaris 10, these courses are the best way to become familiar with Solaris 11: What's New in Oracle Solaris 11 (self-study) Transition to Solaris 11 - classroom and virtual Solaris 11 Administration - classroom and virtual Solaris 11 Advanced Administration - classroom and virtual These are the education paths for Oracle Certifications on Solaris 11: Oracle Certified Associate Oracle Certified Professional Courses for Solaris System, Network, and Security Administration - scroll to bottom of page for Solaris courses Indexes and Feeds of Our Best How-To Articles We update these indexes and feeds only after we read through the available content and select the best. These are our personal recommendations by topic, product, or audience. We'll be adding content about Oracle Solaris 11 in the coming days and weeks. Keep an eye out. All Systems Indexes Solaris 11 Collection All System Feeds OTN Systems Community Home Page Our Home Page is the same as the front page of a newspaper, but without the advertising. Latest articles, latest useful content from the community, plus links to all the other resources available on OTN. ... And If You Want to Be The First To Know After we select the best content, the first thing we do is hang out at the OTN Garage and talk about it.  Every once in a while we talk about cool cars and motorcycles, too: On Facebook On Twitter On Our Blog - Rick Ramsey Website Newsletter Facebook Twitter

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• ArchBeat Link-o-Rama Top 20 for April 1-9, 2012

  - by Bob Rhubart

  The top 20 most popular items shared via my social networks for the week of April 1 - 8, 2012. Webcast: Oracle Maximum Availability Architecture Best Practices w/Tom Kyte - April 12 Oracle Cloud Conference: dates and locations worldwide Bad Practice Use Case for LOV Performance Implementation in ADF BC | Oracle ACE Director Andresjus Baranovskis How to create a Global Rule that stores a document’s folder path in a custom metadata field | Nicolas Montoya MySQL Cluster 7.2 GA Released How to deal with transport level security policy with OSB | Jian Liang Webcast Series: Data Warehousing Best Practices http://bit.ly/I0yUx1 Interactive Webcast and Live Chat: Oracle Enterprise Manager Ops Center 12c Launch - April 12 Is This How the Execs React to Your Recommendations? | Rick Ramsey Unsolicited login with OAM 11g | Chris Johnson Event: OTN Developer Day: MySQL - New York - May 2 OTN Member discounts for April: Save up to 40% on titles from Oracle Press, Pearson, O'Reilly, Apress, and more Get Proactive with Fusion Middleware | Daniel Mortimer How to use the Human WorkFlow Web Services | Oracle ACE Edwin Biemond Northeast Ohio Oracle Users Group 2 Day Seminar - May 14-15 - Cleveland, OH IOUG Real World Performance Tour, w/Tom Kyte, Andrew Holdsworth, Graham Wood WebLogic Server Performance and Tuning: Part I - Tuning JVM | Gokhan Gungor Crawling a Content Folio | Kyle Hatlestad The Java EE 6 Example - Galleria - Part 1 | Oracle ACE Director Markus Eisele Reminder: JavaOne Call For Papers Closing April 9th, 11:59pm | Arun Gupta Thought for the Day "A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable." — Leslie Lamport

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• Troubleshooting Your Network with Oracle Linux

  - by rickramsey

  Are you afraid of network problems? I was. Whenever somebody said "it's probably the network," I went to lunch. And hoped that it was fixed by the time I got back. Turns out it wasn't that hard to do a little basic troubleshooting Tech Article: Troubleshooting Your Network with Oracle Linux by Robert Chase You're no doubt already familiar with ping. Even I knew how to use ping. Turns out there's another command that can show you not just whether a system can respond over the network, but the path the packets to that system take. Our blogging platform won't allow me to write the name down, but I can tell you that if you replace the x in this word with an e, you'll have the right command: tracxroute Once you get used to those, you can venture into the realms of mtr, nmap, and netcap. Robert Chase explains how each one can help you troubleshoot the network, and provides examples for how to use them. Robert is not only a solid writer, he is also a brilliant motorcyclist and rides an MV Augusta F4 750. About the Photograph Photo of flowers in San Simeon, California, taken by Rick Ramsey on a ride home from the Sun Reunion in May 2014. - Rick Follow me on: Personal Blog | Personal Twitter   Follow OTN Garage on: Web | Facebook | Twitter | YouTube

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• ArchBeat Link-o-Rama Top 20 for June 10-16, 2012

  - by Bob Rhubart

  The top 20 most popular items shared via my social networks for the week of June 10-16, 2012. DevOps: Evolving to Handle Disruption | JP Morgenthal The Healthy Tension That Mobility Creates | Hernan Capdevila If you aren't among those finding bugs you might be among those complaining about them later | Markus Eisele ODTUG Kscope12 - June 24-28 - San Antonio, TX It's Alive! - The Oracle OpenWorld Content Catalog URGENT BULLETIN: Disable JRE Auto-Update for All E-Business Suite End-Users Aetna Dumps Its Siloed Enterprise Architecture for SOA | Stephanie Overby Condos and Clouds: Thinking about Cloud Computng by Looking at Condominiums | Pat Helland 5 minutes or less: Indexing Attributes in OID | Andre Correa Whole Lotta Virtualization Goin' On | Rick Ramsey The Road to a Cloud-Enabled, Infinitely Elastic Application Infrastructure | Andy Butler, Massimo Pezzini Migrating C/C++ embedded SQL code | Tom Laszewski Catching Up to Mobile Computing | Bob Rhubart Duke's Choice Award Nominations Close Friday! | Tori Wieldt Eclipse DemoCamp - June 2012 - Redwood Shores, CA BI Architecture Master Class for Partners - Oracle Architecture Unplugged ADF Tutorial Chapter 1: Introduction | Yannick Ongena OPN: Fusion Middleware Summer Camps in July in Lisbon and Munich Networking in VirtualBox | The Fat Bloke 2012 Oracle Fusion Middleware Innovation Awards - Win a FREE Pass to Oracle OpenWorld 2012 in San Francisco Thought for the Day "If the mind really is the finest computer, then there are a lot of people out there who need to be rebooted." — Tim Bryce Source: SoftwareQuotes.com

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• Oracle Database 12c and Oracle Solaris 11 DTrace

  - by Larry Wake

  As you may have heard, Oracle Database 12c is now available for Oracle Solaris and Oracle Linux. Among other things, that means we now have the opportunity to share some of the cool things the Oracle Database and Oracle Solaris engineering teams have been doing together. And here's a good one: In this screencast, Jon Haslam describes how on Oracle Solaris 11, DTrace is now integrated into Oracle Database V$ views to provide a top-to-bottom picture of a database transaction I/O -- from storage devices, through the Oracle Solaris kernel, up to Oracle Database 12c itself: With this end-to-end view, you can easily identify I/O outliers -- transactions that are taking an unusually long time to complete -- and use this comprehensive data to identify and mitigate storage system problems that were previously extremely hard to debug. This is a great example of the power of DTrace, which is just about to celebrate its 10th anniversary in the wild. The screencast has some nice examples of DTrace's power on its own, as well as diving into the DTrace/Oracle Database 12c synergy. There's more, of course.  Over on the OTN Garage blog, Rick Ramsey has put together a nice compendium of ways the OS makes the database scream, and Ginny Henningsen's written an article on the same topic.  And, we've also got an OTN page that digs further into Oracle Database / Oracle Solaris synergies.

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• Scenes from OpenWorld Day One

  - by Larry Wake

  Sunday's the day that everything comes together, but there's always that last minute scramble. Here are a few peeks at what everyone's doing, and may still be doing far into the night. This is the team putting the final touches on the Hands-On Lab room for  HOL10201, "Reduce Risk with Oracle Solaris Access Control to Restrain Users and Isolate Applications". This should be a great learning experience--plus it's a chance to meet up with some of the top Solaris security people, including Glenn Faden and Darren Moffat. And here's the OTN Garage's own Rick Ramsey, working feverishly to help set up the Oracle Solaris Systems Pavilion. (Moscone South, Booth 733). Several of our featured partners will be demonstrating solutions running on Oracle Solaris systems -- plus, we'll be serving espresso, to help you power through the week. Another panorama shot, courtesy of iOS 6 -- come for the maps, stay for the photos.... Moscone South is also home once again this year to the systems and storage DEMOgrounds. Plenty to learn and see; you might even catch a glimpse of me there on Tuesday afternoon.

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• November 2012 Chicago IT Architects Group Meeting Recap

  - by Tim Murphy

  So the year is coming to an end.  A hearty few came out two days before Thanksgiving to discuss adopting agile in the enterprise.  While Norm Murrin claimed to be nervous about talking in front of a group your wouldn’t have known by his presentation.  He really made a topic that has always been hard to relate very personal.  This lead to some great discussion.  I came out of looking for ways to investigate agile further.  His presentation can be found here. This was our last meeting for the year.  We are looking forward to next year and are starting to line up some speakers and topics.  At this point we have an Azure presentation coming in February and are ironing out talks for January and March.  If your would like to join us and have topics you would like to see presented contact me through this blog.  Either leave a comment here or use the contact page.  I would love to hear from you. Have a great holiday season and we will see you next year. del.icio.us Tags: Chicago Information Technology Architects Group,CITAG,Agile,Norman Murrin

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• Oracle Worldwide Product Translation Group and Applications User Experience Working Together

  - by ultan o'broin

  The Applications User Experience (UX) Mobile team has been extending its ethnographic research to even more countries. Recently, the team conducted research in Sweden, and I am pleased to say I made the connection for the UX team with the Oracle's Worldwide Translation Product Group (WPTG) local (that is, in-country) language specialists. It struck me that WPTG's local market knowledge and insight that we heard about at an Oracle Usability Advisory Board meeting in the UK in 2011 would be very valuable to the UX efforts while, at the same time, UX could afford WPTG an opportunity to understand our design and development direction so that linguistic resources (terminology, style guides, translatability guidelines, and so on) for any translation of our mobile solutions could be prepared in advance. Brent White of the Mobile UX team takes notes as ethnography participant Capri Norman uses mobile technology to work in Stockholm. Pic credit: Oracle Applications UX. The UX team acknowledges Capri's kind permission to use this image. I'm told by Brent White of the Mobile UX team that the co-operation was a big success.  A WPTG Swedish language specialist joined a couple of ethnographic sessions, taking great notes and turning them around very fast for the UX team. And of course, a great local insight into Swedish culture and ways of working was provided too, along with some nice socializing!  More research in more countries is planned. Watch out for future blog posts and other communications about this great co-operation worldwide.

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• Always getting below error in some of my Web Servers:

  - by Vijay

  I am getting below error in some of my webserver. I don't know what is happening in my server, whether this is SQL DB related or Web server related. Please help me how to trouble shoot. Message::Save- Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Norman.Message.Save(Int32 nSiteID, String sBody, Int32 nUserID, String sUserIP)

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• Best non-development book for software developers

  - by Dima Malenko

  What is the best non software development related book that you think each software developer should read? Note, there is a similar, poll-style question here: What non-programming books should programmers read? Update: Peopleware is a great book, must read, no doubt. But it is about software development so does not count. Update: We ended up suggesting more than one book and that's great! Below is summary (with links to Amazon) of the books you should consider for your reading list. The Design of Everyday Things by Donald Norman Getting Things Done by David Allen Godel, Escher, Bach by Douglas R. Hofstadter The Goal and It's Not Luck by Eliyahu M. Goldratt Here Comes Everybody by Clay Shirky ...to be continued.

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