Simple Load Balancing on Cloud Servers
Updated: 2009-11-30 17:52:11
By Brandon Woodward, RHCE
In this article, I will walk you through creating a simple software load balancer using our Cloud Servers product. This is an entry-level job using simple readily available packages from any of the distributions repositories. I’ll be using Apache as our load balancer (Apache can be used as many things including a load balancer) in conjunction with the Apache module mod_proxy and mod_proxy_balancer. Both are available through CentOS and I’ll be using this as my base install.
The ... Read More >
: skip to main skip to sidebar OakLeaf Systems OakLeaf Systems is a Northern California software consulting organization specializing in developing and writing about Windows Azure , SQL Azure Database SADB LINQ , ADO.NET Entity Framework , ADO.NET Data Services Astoria Microsoft Synchronization Framework , SQL Server 2005+ , SQL Server CE , NET database , and Web services . projects Sunday , November 29, 2009 Windows Azure and Cloud Computing Posts for 11 23 2009+ Windows Azure , SQL Azure Database and related cloud computing topics now appear in this weekly series . Update 11 29 2009 : Panagiotis Kefalidis : Patterns : Windows Azure In-Place upgrades Windows Azure What is an upgrade domain and Windows Azure Table Storage and concurrency Chris Hoff : From the X-Files The Cloud in Context : Evolution from Gadgetry to Popular Culture David Chappell : The Microsoft Application Platform : A perspective Reuven Cohen : Why The Cloud needs Virtualization Hovhannes Avoyan : The Cloud Your Monitoring Vendor and . more Update 11 26 2009 : Eric Lai : Microsoft adds access controls for SQL Azure online database Reuven Cohen : CloudCamp Seoul December 16th and Dimitry Sotnikov : Demo recording
: , skip to main skip to sidebar OakLeaf Systems OakLeaf Systems is a Northern California software consulting organization specializing in developing and writing about Windows Azure , SQL Azure Database SADB LINQ , ADO.NET Entity Framework , ADO.NET Data Services Astoria Microsoft Synchronization Framework , SQL Server 2005+ , SQL Server CE , NET database , and Web services . projects Sunday , November 29, 2009 Unable to Activate Office 2010 Beta or Windows 7 Guest OS , Run Windows Update or Join a Domain from Hyper-V VM As noted in my SharePoint Nightmare : Installing the SPS 2010 Public Beta on Windows 7 post of 11 27 2009, I am running 64-bit Windows Server 2008 R2 with Hyper-V as the host OS with the hope of running the Office Professional and SharePoint Server 2010 Public Beta versions in a 64-bit Windows 7 virtual machine . The earlier post includes detailed information about the developer computer’s Intel processor and mother board , as well as other components . Update 11 29 2009 1:00 PM PST : Liam Westley of Kew , London , UK westleyl suggested changing the physical NIC for the External Network from the RTL8169 shown here in the Virtual Network : Manager To the on-board
Most of us are probably focused on using micro blogging site Twitter to make money for ourselves. But is Twitter making money for itself? Twitter has become a veritable cultural phenomenon and one of the most talked about social internet companies. As Tod Maffin points out in his Techvibes blog [...]
Perhaps the most difficult part of forecasting technologies’pace is discerning which technologies will be short-lived fads and which will become ingrained in our lives. Often, millions of dollars are at stake — should the I.T. department hold steady or invest in a promising solution [...]
Imagine that you want to expand the self-service options you offer your customers beyond simply a voice IVR system. You would like to offer your customers the ability to get information from your company via SMS from their mobile phones. Or via IM on whatever IM service they use. Or through a mobile [...]
Creating useful content and services is expensive and time consuming. Why not amortize your efforts by publishing those creations to multiple platforms? The Google Wave platform enables you to do just that.
Congrats to the team at Skype on the finalization of their sale from eBay last week and their new independence!
We’ve long been fans of Skype and have been a partner of theirs since back in 2005. As I’ve noted in previous blog posts, notably “Skype-ifying your voice applications“, we automatically provide an inbound Skype [...]
By Mike Mozey, Cloud Guru
One of the many benefits of signing up for a Cloud Sites account is that we have set it where you can easily resell space on your account. By default, you receive unlimited domains, 50GB of SAN storage, 500GB of bandwidth, and 10,000 compute cycles – for only $100 per month. You can resell sites to clients with predefined resources and let them contact us directly for support. Less monthly cost and work from you! In ... Read More >
: skip to main skip to sidebar OakLeaf Systems OakLeaf Systems is a Northern California software consulting organization specializing in developing and writing about Windows Azure , SQL Azure Database SADB LINQ , ADO.NET Entity Framework , ADO.NET Data Services Astoria Microsoft Synchronization Framework , SQL Server 2005+ , SQL Server CE , NET database , and Web services . projects Sunday , November 22, 2009 Windows Azure and Cloud Computing Posts for 11 16 2009+ Windows Azure , SQL Azure Database and related cloud computing topics now appear in this weekly series . Update 11 22 2009 : Matt Mullenweg : WordPress and Windows Azure tbtechnet : Check out Front Runner for Windows Azure Me : All Your Clouds , a clone of StackOverflow for cloud computing Girish Raja : PDC Phone Company CRM Azure Demo Me : Windows Azure FAQs post PDC 2009 Eugenio Pace : Updated RIA and WIF samples Part I James Hamilton : Sandia Labs’ doubtful claim about 1.035 PUE for Red Sky Update 11 21 and 11 22 2009 : The Azure Services Platform Team : New Service Dashboard and updated SLAs RightScale : Planned Support for Windows Azure Platform Alf Pilgrim : New Approach Needed to Cloud Security Mark O’Neill : ENISA
Convert StarOffice documents to other formats using XSLT.
: skip to main skip to sidebar OakLeaf Systems OakLeaf Systems is a Northern California software consulting organization specializing in developing and writing about Windows Azure , SQL Azure Database SADB LINQ , ADO.NET Entity Framework , ADO.NET Data Services Astoria Microsoft Synchronization Framework , SQL Server 2005+ , SQL Server CE , NET database , and Web services . projects Sunday , November 15, 2009 Windows Azure and Cloud Computing Posts for 11 9 2009+ Windows Azure , SQL Azure Database and related cloud computing topics now appear in this weekly series . Update 11 15 2009 : Neil MacKenzie : Overviews of new Azure Storage Client v1.0 and Azure Storage v1.0 Queue features Eugenio Pace : Claims based Identity Guide James Hamilton : Randy Shroup John Ousterhout Sessions at HPTS 2009 and Me : SQL Server 2008 R2 November CTP Sample Databases and Feature Pack and many . others Update 11 14 2009 : Jim Nakashima : Azure SDK and Tools 11 2009 CTP NET Services Team : NET Services November 2009 CTP QFE Breaking Changes Announcement Geva Perry : Application Lifecycle in the Cloud MWD Advisors : Advisory service with global survey of Cloud Computing David Gristwood : Free Windows
Michelle Greer, Sr. Mgr. Corporate Development
At The Rackspace Cloud, we say the cloud can be for everyone but not for everything. We have customers who have all of their data in the cloud and it might distributed across multiple cloud providers. Some still need the stability of managed hosting for some of what they do. There is no cookie cutter optimal hosting solution.
As you can imagine, monitoring the performance of servers when you don’t host in one single environment ... Read More >
By Chandler C Vaughn, Director of Product Management
At The Rackspace Cloud, we constantly strive to build products and services our customers ask us for, and need. Right now, we’re actively working on something really exciting, something that has been highly requested for some time.
Rackspace has been building and supporting Microsoft solutions for years. We also have a very popular, and powerful Xen based Cloud Servers offer that runs Linux OS’s. Cloud Servers is billed as a utility so customers only ... Read More >
Angela Bartels, Cloud Maven
Hosting made easy meets blogging made easy. Popular blogging platform, Posterous is utilizing The Rackspace Cloud’s computing power and online storage from Cloud Files, which was recently moved from Amazon S3. I caught up with Emil Sayegh, GM of The Rackspace Cloud, and he was thrilled when he learned that Posterous chose The Rackspace for hosting their infrastructure and said: “Sharing the same philosophy and vision of making things simple for customers, we couldn’t be happier ... Read More >
By Jonathan Ellis, Systems Architect
Unprecedented data volumes are driving businesses to look at alternatives to the traditional relational database technology that has served us well for over thirty years. Collectively, these alternatives have become known as “NoSQL databases.”
The fundamental problem is that relational databases cannot handle many modern workloads. There are three specific problem areas: scaling out to data sets like Digg’s (3 TB for green badges) or Facebook’s (50 TB for inbox search) or eBay’s (2 PB overall), ... Read More >
: skip to main skip to sidebar OakLeaf Systems OakLeaf Systems is a Northern California software consulting organization specializing in developing and writing about Windows Azure , SQL Azure Database SADB LINQ , ADO.NET Entity Framework , ADO.NET Data Services Astoria Microsoft Synchronization Framework , SQL Server 2005+ , SQL Server CE , NET database , and Web services . projects Sunday , November 08, 2009 Windows Azure and Cloud Computing Posts for 11 2 2009+ Windows Azure , SQL Azure Database and related cloud computing topics now appear in this weekly series . Updated 11 8 2009 : Vittorio Bertocci : Identity Developer Tranining Kit November 2009 Release Wade Wegner : Preview of his PDC 2009 Migration to Azure session Stephen Elop and Marc Benioff : Will participate in an Economist Debate starting on 11 10 2009 Arshad Ali : Moving databases to SQL Azure Judith Hurwitz : Why all workloads don’t belong in the cloud ChristophDotNet : WcfTestClient with Windows Azure Problems Tony Bishop : Secure Enterprise Clouds and Herve Roggero : SQL Azure Auditing Choices Updated 11 7 2009 : Jim Nakashima : Using SQL Server Management Studio with SQL Azure Me : Corrected location for
: : skip to main skip to sidebar OakLeaf Systems OakLeaf Systems is a Northern California software consulting organization specializing in developing and writing about Windows Azure , SQL Azure Database SADB LINQ , ADO.NET Entity Framework , ADO.NET Data Services Astoria Microsoft Synchronization Framework , SQL Server 2005+ , SQL Server CE , NET database , and Web services . projects Saturday , November 07, 2009 Azure Storage Services Test Harness : Table Services 5 Generating Classes Collection Initializers with LIMOG v2 Update 11 7 2009 : This is a revised version of the original post post of 11 21 2008 updated 11 23 2008 and 1 31 2009 with the corrected download information for the LIMOGUtilityV2 code generator . Thanks to Simon Hatchard for the heads-up . This is the fifth of a series of articles about a ASP.NET 3.5 C test harness for Azure Storage Services that I discussed in my Retire Your Data Center cover story for Visual Studio Magazine s February 2009 issue . The test harness generates code to create mock data from relational tables in Azure’s Entity-Attribute-Value EAV format . This article describes an application to generate the TableName DataModel class in my Azure
Lew Moorman, President of Cloud, recently wrote an article that appeared in News Week Japan, “How Cloud Computing is Driving the Next Wave of Productivity.”
He discusses how cloud computing is certainly a trend that is gaining traction but there is some concrete reasoning behind it.
“The movement of IT hardware and software out of offices and factories and onto the web promises to deliver huge cost savings, create new business models, and threaten incumbent technologies and the global corporations that deliver ... Read More >