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  • Linux IPv6: DHCP and /127 prefixes

    - by Jeff Ferland
    I've tried multiple pieces of DHCP client and software in attempting to setup a solution for allocating a /127 prefix to virtual machines so that each maintains its own layer 2 isolation. Because there would only be one host assigned to each network, a /64 is impractical. While the prefix size could reasonably be somewhere in the /64-127 range, the crux of the problem has been the same regardless of the software used in configuring: the DHCP call to bring up the interface uses the address advertised by DHCPv6 and inserts two routes: the /127 given by the router advertising packets and a /64 as well. Any thoughts on why I'm getting the additional route added across dhcp client vendors?

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  • Oracle BPM and Open Data integration development

    - by drrwebber
    Rapidly developing Oracle BPM application solutions with data source integration previously required significant Java and JDeveloper skills. Now using open source tools for open data development significantly reduces the coding needed.  Key tasks can be performed with visual drag and drop designing combined with menu selections entry and automatic form generation directly from XSD schema definitions. The architecture used is extremely lightweight, portable, open platform and scalable allowing integration with a variety of Oracle and non-Oracle data sources and systems. Two videos available on YouTube walk through the process at both an introductory conceptual level and then a deep dive into the programming needed using JDeveloper, Oracle BPM composer and Oracle WLS (WebLogic Server) along with the CAM editor and Open-XDX open source tools. Also available are coding samples and resources from the GitHub project page, along with working online demonstration resources on the VerifyXML site. Combining Oracle BPM with these open source tools provides a comprehensive simple and elegant solution set. Development times are slashed and rapid prototyping is enabled. Also existing data sources can be integrated using open data formats with either XML or JSON along with CRUD accessing via the Open-XDX Java component. The Open-XDX tool is a code-free approach where data mapping is configured as templates using visual drag and drop in the CAM Editor open source tool.  XML or JSON is then automatically generated or processed (output or input) and appropriate SQL statements created to support the data accessing.   Also included is the ability to integrate with fillable PDF forms via the XML templates and the Java PDF form filling library.  Again minimal Java coding is needed to associate the XML source content with the PDF named fields.  The Oracle BPM forms can be automatically generated from XSD schema definitions that are built from the data mapping templates.  This dramatically simplifies development work as all the integration artifacts needed are created by the open source editor toolset. The developer level video is designed as a tutorial with segments, hands-on demonstrations and reviews.  This allows developers to learn the techniques and approaches used in incremental steps. The intended audience ranges from data analysts to developers and assumes only entry level Java skills and knowledge.  Most actions are menu driven while Java coding is limited to simply configuring values and parameters along with performing builds and deployments from JDeveloper and Oracle WLS.   Additional existing Oracle online training resources can be referenced on Oracle BPM and WLS that cover other normal delivery aspects such as user management and application deployment.

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  • Speaking at NDC in Oslo next week

    - by Sahil Malik
    SharePoint 2010 Training: more information Greetings! I will be speaking at the biggest baddest Scandinavian conference next week with 8 tracks, an amazing speaker line up, and an Agenda packed full of fun. I am talking about NDC, the Norwegian Developers Conference. My talks are as follows, Read full article ....

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  • Google I/O 2012 - Integrating Google+ Into Mobile Apps

    Google I/O 2012 - Integrating Google+ Into Mobile Apps Julia Ferraioli Create a more engaging and personalized experience for your users by incorporating aspects of Google+ into your mobile app. Learn how your users can share pictures, links, and more into Google+ from your app, and how doing so can raise visibility and discoverability of your application. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1224 23 ratings Time: 50:10 More in Science & Technology

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  • Being rocked...

    - by ZacHarlan
    After almost four and half years, I finally escaped from the world of telemarketing.     I'm now at a place that writes really good code, values testing, does routine code reviews, collaborates with each other so continuously and effectively somebody should make a documentary about it!   Today alone, I had two really smart and well respected developers go line by line through my code and show me how to make it better.  Seriously, people pay really good money for something like this and they don't get near the quality of feedback as I got!     +1 for me finally getting to a point in my career where i get to work with some of the best of the best in the software world!   I've been rocked by the fact that places like this actually exist.     I've been Rocked by the sheer size, complexity and simplicity of our website.     Most importantly I've been ROCKED by the fact that this many smart people check their egos at the door, gel together and look for ways to make software better than how they found it.  This is how to grow a business with tech... hire great people and watch them go!   Seriously, bravo.

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  • eSTEP TechCast - December 2012

    - by uwes
    Dear partner, we are pleased to announce our next eSTEP TechCast on Thursday 6th of December and would be happy if you could join. Please see below the details for the next TechCast.Date and time:Thursday, 06. December 2012, 11:00 - 12:00 GMT (12:00 - 13:00 CET; 15:00 - 16:00 GST) Title: Innovations with Oracle Solaris Cluster 4 Abstract:Oracle Solaris Cluster 4.0 is the version of Solaris Cluster that runs with Oracle Solaris 11. In this webcast we will focus at the integration of the cluster software with the IPS packaging system of Solaris 11, which makes installing and updating the software much easier and much more reliable, especially with virtualization technologies involved. Our webcast will also reflect new versions of Oracle Solaris Cluster if they will be announced in the meantime. Target audience: Tech Presales Speaker: Hartmut Streppel Call Info:Call-in-toll-free number: 08006948154 (United Kingdom)Call-in-toll-free number: +44-2081181001 (United Kingdom) Show global numbers Conference Code: 803 594 3Security Passcode: 9876Webex Info (Oracle Web Conference) Meeting Number: 255 760 510Meeting Password: tech2011 Playback / Recording / Archive: The webcasts will be recorded and will be available shortly after the event in the eSTEP portal under the Events tab, where you could find also material from already delivered eSTEP TechCasts. Use your email-adress and PIN: eSTEP_2011 to get access. Feel free to have a look. We are happy to get your comments and feedback. Thanks and best regards, Partner HW Enablement EMEA

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  • Book Review: Introducing Microsoft WebMatrix

    Visual Studio 2010 is a robust development environment for building .NET applications. However, developers are always on the hunt for free tools such as WebMatrix, which is freeware developed by Microsoft for buildling cost effective .NET applications. In this review, Anand examines the coverage of a book titled Introducing Microsoft WebMatrix by Laurence Moroney. After reading the review, you will be able to know whether the book will be suitable for you or not.

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  • What would be a good topic for research on "edge of multiple processors / computers programming" topic?

    - by Kabumbus
    This is a subjective discussion so we can express our dreams and hopes here. A "topic" must be like a task with point to have as end result a software poduct. A "topic" must be mainly about "Software engineering", "Algorithm and data structure concepts" and perhaps "Design patterns". I mean let us try to look what is not already there? What can be developed in fiew month and give a breakthrue / start a new leap / show somethig not realized before in science of f multiple computers programming? What i see is already there: LAN / wire and other infrastractural programms for connecting on device level MPI/ Bit torrent/Jabber protocols / APIs / servers for messaging on top Boost and analogs on evry OS in most languages for multithreading there are lots of CUDA like on computer frameworks for fast calculating on computers GPUs What I personally do not see out there is a crossplatform framework for multiple processes interaction. Meaning one that would allow easy creation of multyple processes running in paralell inside one hoster app on one machine. In level not harder than needed for threads creation (so no seprate server apps - just one lib doing it all) Is there ny such lib and what can you propose for research topic?

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  • Is Lojack preinstalled on Dell's laptops?

    - by Blorgbeard
    I'm looking at buying a Dell Studio 15 or similar. Unfortunately, they all seem to come with Lojack software included and no option to take it out of the build. I really do not want this software installed on my laptop. It sounds really abusable, and hard to get rid of once installed - it hides in your BIOS and survives reinstalls, etc. Does anyone know whether Lojack comes preinstalled on this machine, or if they just ship you a disc, which could subsequently be broken in half and/or microwaved into submission?

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  • If you develop on multiple operating systems, is it better to have multiple computers + displays?

    - by dan
    I develop for iOS and Linux. My preferred OS is Ubuntu. Now my software shop (me and a partner) is developing for Windows too. Now the question is, is it more efficient to have multiple workstations, one for each target OS? Efficiency and productivity is a higher priority than saving money. I have a 3.4Ghz i7 desktop workstation running Ubuntu and virtualized Windows with two displays, and I'm putting together an even more powerful i7 Hackintosh with 16GB RAM (to replace my weak 2.2Ghz i5 Macbook Pro). My specific dilemma is whether I should sell the first computer and triple boot on the second one, or buy two more displays and run both desktop systems simultaneously. Would appreciate answers from developers who write software for multiple OSes. Running guest OSes in VirtualBox on one system not ideal, because in my experience performance is seriously degraded under virtualization. So the choice is between dual/triple booting on one system vs having two systems, one for OSX+iOS/Windows (dual boot) and the other for Ubuntu (which I prefer to use as my main OS). For much of our work, I write a server-side application in Linux and a client for iOS (or for Windows or OS X) simultaneously.

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  • How to decide how backward-compatible my new Mac OS X application should be?

    - by haimg
    I'm currently contemplating writing an OS X version of my Windows software. My Windows application still supports Windows XP, and I know that if I drop support for it now, our customers will cry bloody murder. I'm new to OS X development, and as I learn the technology, APIs, etc., I realized that if I'm going to provide comparable level of backward compatibility (e.g. down to OS X 10.5), I would not be able to use many things that look very useful and relevant in my case (ARC, XPC communications, many others). This is quite different from Windows, in my opinion, where there are very little changed between Windows XP and Windows 7 from desktop application developer's standpoint. So, on one hand, it seems like a complete waste to stick to 2007 or 2009-level API in 2012. On the other hand, according to NetMarketShare report and Stat Owl report Mac OS X 10.5 and 10.6 market share is still 11% and 35%-40% respectively. However, I'm not sure if these older OS users are my target audience (buyers of software utilities) if they didn't bother to upgrade their OS... My question: Are there any other reasons I should take into account when deciding if I target 10.5 or 10.6 or 10.7 for a new application?

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  • Google I/O 2012 - Writing Secure Web Apps and Chrome Extensions

    Google I/O 2012 - Writing Secure Web Apps and Chrome Extensions Jorge Lucangeli Obes Today, a carefully developed web app can boast a high level of security, by taking advantage of several technologies: HTML5, CSP, NaCl, and the Chrome extension framework. The objective of this session is to show how these technologies allow a developer to create a web app that rivals or exceeds a desktop app in features, while remaining more secure than its desktop counterpart. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 46 1 ratings Time: 56:16 More in Science & Technology

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  • Does Mono have a place in the enterprise world?

    - by Daniel
    For enterprise windows-based solutions, .NET is the best choice sometimes. How is Mono looked at by the enterprises who have to use Linux (or rather prefer to use Linux) ? Assuming that the developers aren't a problem and they are familiar with .NET/Mono and other possible competitors such as Java. Would a medium/large company run Mono on their servers as opposite to technologies such as Java? Do you know of any such company ?

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  • Best way to synchronise photos to three machines. Laptop, Desktop, NAS

    - by wookiebreath
    I'm using Picasa as my photo management software, and I have a collection of photos that gets downloaded from my cameras either onto my Desktop or onto my Laptop. I'd like to automatically have copies of all my photos on both my laptop, desktop and my NAS. Does anyone else do this? Do you have any recommendations for Software or processes? Is there anything I need to be careful of? I had a look at Dropbox, but it appears to have a 2 gig limit? What about something like SyncBack?

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  • Need hard disk recommendation for linux home server.

    - by neotracker
    Hello, I'm planing to build a little linux homeserver. It will mainly be used for storage and maybe as an media pc. I plan to build a software raid5 with 4 1.5TB or 2TB hard drives. I already decided to use the Western Digital Caviar Green 1.5 TB drive, but then I read about some problems with the WD green series about many drives failing and that they are not recommended for raid anyway. Of course, I couldn't find much facts on the issues so I thought I just ask here ;-) What hard drives would you recommended for a software raid5 setup? As I only need it for storage, the whole thing doesn't have to be too fast. So I prefer a cheap price and silence to great performance.

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  • How to programmatically control slave computer on BIOS level?

    - by PovilasSid
    I want to run some test on hardware level. My goal is to create or find a way to control one computer from another down to BIOS settings changing. For example: Master computer sends a signal for slave to restart and opens BIOS settings dialog. Master computer sends a signal to slave to change BIOS parameters and then restart. Then slave fully boots up master starts up some software on slave. Then software finishes operations cycle continues till certain conditions are met. I know that I am looking for a complex thing but mainly what I need are correct keywords because now I am being flooded by BIOS configurations tutorials. Main concerns: Is it possible without using any custom tailer chip? How can master monitor salve`s hardware activity? How to let master handled more than one slave? How what connections are needed to create this kind of setup? (cables)

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  • SOA performance on SPARC T5 benchmark results

    - by JuergenKress
    The brand NEW super fast SPARC T5 servers are available. The platform is superb to run large SOA Suite environments or to consolidate your whole middleware platform. Some performance advices, recommended for all workloads: Performance profile for SOA apps on Oracle Solaris 11 BPEL (Fusion Order Demo) instances per second OSB (messages / transformations per second) Crypto acceleration study for SOA transformations SPARC T4 and T5 platform testing, pre-tuning Performance suitable for mid-to-high range enterprise in stand-alone SOA deployment or virtualized consolidation environment shared with Oracle applications 2.2x to 5x faster than SPARC T3 servers 25% faster SOA throughput, core to core than Intel 5600-series servers (running Exalogic software) SPARC T5 has 2x the consolidation density of Intel 5600-class processors 2x faster initial deployment time using Optimized Solutions pre-tested configuration steps Over 200 Application adapters for easiest Oracle software integration Would you like to get details? We can share with you on 1:1 bases T5 SOA Suite performance benchmarks, please contact your local partner manager or myself! SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Mix Forum Technorati Tags: T5,TS Sparc,T5 SOA,bechmark,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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  • Ethics of soliciting App store app reviews?

    - by hotpaw2
    I see more than a few developers soliciting 5-star ratings and good reviews for their App store apps, in their blogs, websites, app store descriptions, even dialogs that pop-up in the app after you've used them for awhile. What do people consider to be the ethical guidelines regarding such review and ratings solicitations? What's over the line? (Besides obviously evil stuff, such as paying to have someone forge multiple negative reviews about your competitor's apps, etc.)

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  • CVS vs SVN vs GIT

    - by user3215
    CVS is being used in my workplace and I've no much knowledge of cvs other than installing and creating cvs users and I heard developers share their project with eclipse or something like that. I'm asked to check for best repositories which offers advanced features giving the hints SVN and GIT. If any one using these repositories please short list their features and if possible with links of good installation guides and a bit information of what the eclipse to do with these repositories. Thank you!

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  • Providing SSH tunnling, what to think about when configuring Ubuntu Server

    - by bigbadonk420
    Recently I've considered, mostly as a pet project, to set up accounts for a closed group of users via SSH to my box with the purpose of SSH tunnling things like web traffic -- some of it for friends that live abroad and perhaps also to help some people bypass national censorship. There's some things I imagine that I need to do, such as: Disabling shell access by setting the shell to /bin/false or similar. Get some software that can track bandwidth usage on a per-user basis historically Make sure that each user can only use a certain amount of bandwidth. The reason I'm posting here to begin with is to look around and get some pointers regarding what kind of things I should read up on, as well as hearing if there are any software recommendations for doing what I'm trying to do. I already know a bit since I've actually gotten SSH tunnling up and running already, I just don't feel like letting it loose to other people without restrictions and some basic monitoring. I'm primarily trying to learn here, so if you think this is a Very Bad Idea (or if you have a better idea on how to do this) then by all means say so, but please include some information on how to do it :) (I'm also open to trying things like OpenVPN but it seems really hard to set up, also I've heard SSH more often works in locked down environments)

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