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• Building a Social Website

  A social website built for internet marketing purposes is often categorized under "niche marketing" because it is difficult to construct one that can encompass the general public. Building a social website of that magnitude is a matter that requires resources not readily available to everyone. It is therefore assumed that any plans of building a social web network will be relatively small and confined to a certain niche in the global demography.

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• Securing the Emerging Smart Grid

  As the government pours billions into utilities to create an intelligent network, standards bodies are working to secure the emerging grid so it doesn’t become a repeat of the PC industry.

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• Securing the Emerging Smart Grid

  As the government pours billions into utilities to create an intelligent network, standards bodies are working to secure the emerging grid so it doesn’t become a repeat of the PC industry.

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• Securing the Emerging Smart Grid

  As the government pours billions into utilities to create an intelligent network, standards bodies are working to secure the emerging grid so it doesn’t become a repeat of the PC industry.

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• Oracle Announces Latest Release of Oracle VM VirtualBox

  - by Cinzia Mascanzoni

  Oracle announced the availability of Oracle VM VirtualBox 4.2, the latest enhancement to the world's most popular, open source, cross-platform virtualization software. The release builds on previous versions by adding new features such as VM Groups which are designed to streamline management, improving network capabilities, and providing support for new host and guest operating system platforms. See the press release here.

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• Harnessing the Power of WebLogic and Coherence, November 5, 2013

  - by Carlos Chang

  Register now for OTN Virtual Developer DayHarnessing the Power of WebLogic and Coherence, November 5, 2013 Join us for Oracle Technology Network's Virtual Developer Day, a new, free, hands-on virtual developer workshop. Java Developers and Architects can attend live, moderated sessions and hands-on labs to learn how to leverage existing skills to take advantage of features in Oracle WebLogic and Oracle Coherence, core components of Oracle's Cloud Application Foundation.   There will be live chats w/ Oracle tech staff throughout the event.  Check it out.

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• Installing software in Ubuntu

  <b>Ian's Thoughts:</b> "I regularly sit in the #ubuntu channel on the Freenode network helping folks with Ubuntu issues. One of the things I see people often doing is attempting to install software from source before researching easier installation methods."

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• Oracle OpenWorld - Events of Interest

  - by Larry Wake

  I mentioned the "Focus On Oracle Solaris" document the other day, which lists many of the Solaris-related events at Oracle OpenWorld this year; today I thought I'd highlight a few sessions you might find interesting. Monday, October 1st: 4:45 PM - Get Proactive: Best Practices for Maintaining and Upgrading Oracle Solaris (Moscone South 252) This session covers best practices for upgrading and patching and how to take advantage of unique technologies in Oracle Solaris 10 and 11. Learn how to get maximum value from My Oracle Support for both reactive and proactive requirements. Understand the benefits of secure remote access and how Oracle Support experts use collaborative shared sessions combined with Oracle Solaris technologies such as DTrace. Tuesday, October 2nd: 10:15 AM -  How to Increase Performance and Agility with an Open Data Center Fabric (Moscone South 200) If you haven't had a chance to hear about Xsigo Systems, this is a golden opportunity while you're at OpenWorld. Now part of Oracle, Xsigo's network virtualization technology is designed to increase both application performance and management efficiency, through a combination of software-defined network technology and the industry’s fastest fabric, allowing data center to converge Ethernet and Fibre Channel connectivity to a single fabric, to reduce complexity by 70 percent and CapEx by 50 percent while providing more I/O bandwidth to your applications. Wednesday, October 3rd: 10:15 AM - General Session: Oracle Solaris 11 Strategy, Engineering Insights, and Roadmap (Moscone South 103) Markus Flierl, head of Oracle Solaris Core Engineering, will outline the strategy and roadmap for Oracle Solaris,  how Oracle Solaris 11 is being deployed in cloud computing and the unique optimizations in Oracle Solaris 11 for the Oracle stack. The session also offers a sneak peek at the latest technology under development in Oracle Solaris, and what customers can expect to see in the coming updates. Plus, there are several Hands-On Labs: Monday, October 1st: 10:45 AM - 11:45 AM - Reduce Risk with Oracle Solaris Access Control to Restrain Users and Isolate Applications (Marriott Marquis - Salon 14/15) 4:45 PM - 5:45 PM - Managing Your Data with Built-In Oracle Solaris ZFS Data Services in Release 11  (Marriott Marquis - Salon 14/15) Tuesday, October 2nd: 1:15 PM - 2:15 PM - Virtualizing Your Oracle Solaris 11 Environment  (Marriott Marquis - Salon 10/11) Wednesday, October 3rd: 3:30 PM - 4:30 PM - Large-Scale Installation and Deployment of Oracle Solaris 11 (Marriott Marquis - Salon 14/15) There's plenty more--see the "Focus On Oracle Solaris" guide. See you next week in San Francisco!

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• Week in Geek: Malware for Android has Increased 472% since July

  - by Asian Angel

  This week we learned how to safely eject your USB devices from the desktop context menu, make the Kindle Fire Silk Browser *actually* fast, “disable Windows startup programs, use DNS names on your home network, & restore a vintage keyboard”, print or save a directory listing to a file, make your computer press a key every X seconds, and more. How to Make the Kindle Fire Silk Browser *Actually* Fast! Amazon’s New Kindle Fire Tablet: the How-To Geek Review HTG Explains: How Hackers Take Over Web Sites with SQL Injection / DDoS

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• How Your Time is Spent When Starting a New Online Game [Humorous Chart]

  - by Asian Angel

  Coming up with a good user name for new e-mail accounts can be a nightmare too… It Must Be Both Cool and Inappropriate [Cheezburger Network] How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It

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• Choosing The Best VPN Service Provider Is The Key To Safe Anonymous Surfing

  VPN is the acronym for virtual private network. There are a number of VPN service providers available in the Internet. VPN service is most often used by the organizations in order to provide remote a... [Author: Robin Hanson - Computers and Internet - May 31, 2010]

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• GlynnTucker.Cache

  - by csharp-source.net

  The GlynnTucker.Cache assembly provides a data structure for caching slow data retrievals, for example data retrieved from a database server over the network. Think of it as a Hashtable that can automatically expire its data after a set amount of time or a specified period of inactivity, on a per-object basis. It is written in C# and dual licensed under the GPL/MPL, it should work with any .NET language.

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• How to Enable or Disable the Startup Sound in Windows 8

  - by Taylor Gibb

  We have all been in that awkward situation where you sit down in a meeting room only to have your Windows laptop play the Startup sound. Here’s how to disable it or even enable it if you so choose. HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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• No WiFi after upgrading 12.04 kernel to 3.2.0-24-generic-pae

  - by lunar

  I'm on Ubuntu 12.04 LTS. With the previous kernel everything was okay — until today's upgrade to 3.2.0-24-generic-pae. The device network tools show that my WiFi card is in an inactive state. How can I enable it? These commands don't work: sudo ifconfig wlan0 up sudo /etc/init.d/networking restart The last one returns some weird errors, brackets, tildes, ampersands like in some kind of a loop.

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• Must Keep the Power Flowing No Matter What! [Humorous Image]

  - by Asian Angel

  Who cares what it looks like as long as it works, right? Have you seen or created similar “quick fixes” to keep a computer running? Make sure to share your story in the comments! Barely Working Laptop Cord [Cheeseburger Network] 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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• How to make Ubuntu remember forever the password after the first time

  - by Luis Alvarado

  Is it possible to make Ubuntu remember the password for any program after the first time it asks. I get asked for the password for Synaptic, for making a usb bootable, for connecting to the wifi network, for opening gparted and even to go to the bathroom. Is there a way to just tell it to ask once forever or just tell it to not ask (Without going to root account. I want to keep using my own account)

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• BI Evening @ Hitachi Consulting

  - by tsutha

  Next BI Evening is hosted by Hitachi Consulting. Please register ASAP as there are only limited number of spaces available. Of course there will be free beer and pizza. Great place to network with industry experts. If you are looking for job don't feel shy to talk to us . ThanksSutha

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• How granular should a command be in a CQ[R]S model?

  - by Aaronaught

  I'm considering a project to migrate part of our WCF-based SOA over to a service bus model (probably nServiceBus) and using some basic pub-sub to achieve Command-Query Separation. I'm not new to SOA, or even to service bus models, but I confess that until recently my concept of "separation" was limited to run-of-the-mill database mirroring and replication. Still, I'm attracted to the idea because it seems to provide all the benefits of an eventually-consistent system while sidestepping many of the obvious drawbacks (most notably the lack of proper transactional support). I've read a lot on the subject from Udi Dahan who is basically the guru on ESB architectures (at least in the Microsoft world), but one thing he says really puzzles me: As we get larger entities with more fields on them, we also get more actors working with those same entities, and the higher the likelihood that something will touch some attribute of them at any given time, increasing the number of concurrency conflicts. [...] A core element of CQRS is rethinking the design of the user interface to enable us to capture our users’ intent such that making a customer preferred is a different unit of work for the user than indicating that the customer has moved or that they’ve gotten married. Using an Excel-like UI for data changes doesn’t capture intent, as we saw above. -- Udi Dahan, Clarified CQRS From the perspective described in the quotation, it's hard to argue with that logic. But it seems to go against the grain with respect to SOAs. An SOA (and really services in general) are supposed to deal with coarse-grained messages so as to minimize network chatter - among many other benefits. I realize that network chatter is less of an issue when you've got highly-distributed systems with good message queuing and none of the baggage of RPC, but it doesn't seem wise to dismiss the issue entirely. Udi almost seems to be saying that every attribute change (i.e. field update) ought to be its own command, which is hard to imagine in the context of one user potentially updating hundreds or thousands of combined entities and attributes as it often is with a traditional web service. One batch update in SQL Server may take a fraction of a second given a good highly-parameterized query, table-valued parameter or bulk insert to a staging table; processing all of these updates one at a time is slow, slow, slow, and OLTP database hardware is the most expensive of all to scale up/out. Is there some way to reconcile these competing concerns? Am I thinking about it the wrong way? Does this problem have a well-known solution in the CQS/ESB world? If not, then how does one decide what the "right level" of granularity in a Command should be? Is there some "standard" one can use as a starting point - sort of like 3NF in databases - and only deviate when careful profiling suggests a potentially significant performance benefit? Or is this possibly one of those things that, despite several strong opinions being expressed by various experts, is really just a matter of opinion?

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• Keep getting SocketExceptions (6 replies)

  I am using the System.Net.Sockets.NetworkStream to read data from a network connection I keep getting exceptions #### Exception System.Net.Sockets.SocketException E FAIL (11) #### #### Microsoft.SPOT.Net.SocketNative::recv [IP: 0000] #### #### System.Net.Sockets.Socket::Receive [IP: 0018] #### #### System.Net.Sockets.NetworkStream::Read [IP: 005e] #### #### MFToolkit.Net.Web.HttpRequest::Read [IP:...

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• how to detect keylogger in windows that hooked up key-press?

  - by saber tabatabaee yazdi

  For security reasons we have to detect all key-loggers and log them in somewhere like windows events. I have piece of C# code that it is very easy to install all clients and up and running every day in system trays and no one can close it. We want to modify that code and send logs to central web service in our network (that this also web service is installed last year and receive and log all another security logs).

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• How to connect to database on remote server

  - by user137263

  Where there is VPN to remote server and then access to the database via local network interface, how can one establish a remote link between one's computer (with a programme such as Visual Studio 2010) and SQL Server (e.g. 2008 R2) ? Any attempts to create a direct link to the SQL Server are blocked. Whilst the SQL Server can be configured to allow external access, this provides its own host of problems. Any help would be much appreciated.

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• Google I/O 2012 - Go Concurrency Patterns

  Google I/O 2012 - Go Concurrency Patterns Rob Pike Concurrency is the key to designing high performance network services. Go's concurrency primitives (goroutines and channels) provide a simple and efficient means of expressing concurrent execution. In this talk we see how tricky concurrency problems can be solved gracefully with simple Go code. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 169 2 ratings Time: 51:27 More in Science & Technology

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• Motion is saving images to home directory

  - by Kevin

  I was interested in setting up a home security network. I installed Motion in Ubuntu 12.04 and it worked fine. Then the next day I went to play around with it some more but the images are not being saved to /tmp/motion as the configuration file states, but to the home directory: [1] File of type 1 saved to: ./01-20121126211634-12.jpg Any idea if there is another setting that has more priority than the motion config file?

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• Application Crash cleared the content of the Folder

  - by Ameya

  Recently while working on the LinuxDC++ over the network the application crashed while downloading files. Now my Downloads folder which had at least 60-80GB of data is completely cleaned but the system is not reporting the available the correct free space. Is there way to restore the contents of the folder only as the solution available are for the whole partition. I just want to recover the contents from one folder.

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• AWS EC2 Oracle RDB - Storing and managing my data

  - by llaszews

  When create an Oracle Database on the Amazon cloud you will need to store you database files somewhere on the EC2 cloud. There are basically three places where database files can be stored: 1. Local drive - This is the local drive that is part of the virtual server EC2 instance. 2. Elastic Block Storage (EBS) - Network attached storage that appears as a local drive. 3. Simple Storage Server (S3) - 'Storage for the Internet'. S3 is not high speed and intended for store static document type files. S3 can also be used for storing static web page files. Local drives are ephemeral so not appropriate to be used as a database storage device. The leaves EBS which is the best place to store database files. EBS volumes appear as local disk drives. They are actually network-attached to an Amazon EC2 instance. In addition, EBS persists independently from the running life of a single Amazon EC2 instance. If you use an EBS backed instance for your database data, it will remain available after reboot but not after terminate. In many cases you would not need to terminate your instance but only stop it, which is equivalent of shutdown. In order to save your database data before you terminate an instance, you can snapshot the EBS to S3. Using EBS as a data store you can move your Oracle data files from one instance to another. This allows you to move your database from one region or or zone to another. Unfortunately, to scale out your Oracle RDS on AWS you can not have read only replicas. This is only possible with the other Oracle relational database - MySQL. The free micro instances use EBS as its storage. This is a very good white paper that has more details: AWS Storage Options This white paper also discusses: SQS, SimpleDB, and Amazon RDS in the context of storage devices. However, these are not storage devices you would use to store an Oracle database. This slide deck discusses a lot of information that is in the white paper: AWS Storage Options slideshow

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