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Tune the Linux Ext4 file system for optimal performance

While Ext4 by default works fine for most people, follow these tips to tweak your servers to squeeze out even more speed.
NYSE/Euronext powers ahead with Unix-to-Linux migration

The New York Stock Exchange and its Euronext partner chose Red Hat for a universal trading platform for its speed, scalability and lack of vendor lock-in.
Ext4 file system provides improved Linux storage

The Ext4 file storage system is now integrated into the Linux kernel and supported by the major distributions. Should you switch from your Ext2 or Ext3 set-up? With complete backwards compatibility...
Using virtualization to reinvent HPC on Linux

Virtualization can be a boon to high-performance computing on Linux, but administrators of these systems seem leery of the technology. Find out what virtualization can do for HPC. The plummeting ha...

Linux high-performance computing and supercomputing

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Heartbeat

Heartbeat is a program that runs specialized scripts automatically whenever a system is initialized or rebooted. Originally designed for two-node Linux-based clusters, Heartbeat is extensible to larger configurations... (Continued) Definition

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Data Center
Server Virtualization
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Data Center
- Battery monitoring service prevents outages, extends battery life
  
  The latest backup battery monitoring services can prevent outages and extend battery life. Plus, they take power monitoring off IT's task list.
- Red Hat Open Hybrid Cloud aids private, public cloud management
  
  Hardware, virtualization, public and private cloud are all converging and need to be managed as one environment. Enter Red Hat's Open Hybrid Cloud.
- Mainframe modernization takes on urgency
  
  A Red Hat Summit talk on database and mainframe modernization highlights urgency, need for agility in enterprise development teams.
Server Virtualization
- RISC technology, ARM processors trending in server virtualization
  
  New 64-bit ARM processors are better equipped to support virtualization than before, but not all workloads are good candidates for the technology.
- Virtualization vs. cloud: Let's get this straight
  
  Reports of clouds abound, but true clouds are hard to come by. Turns out, many don't know what separates virtualization vs. cloud. We're here to help.
- Moving VMs around? Avoid downtime with Hyper-V Live Storage Migration
  
  Live Storage Migration eliminates the downtime associated with moving VM files from one storage location to another and helps improve performance.
Cloud computing
- PaaS market heats up with Red Hat OpenShift, Savvis AppFog buy
  
  PaaS made headlines last week, but it's still difficult to gauge the true level of interest in Platform as a Service in the enterprise world.
- IBM, Salesforce deals usher in cloud consolidation era
  
  IBM's SoftLayer buy is getting mixed reviews from IT pros, but everyone agrees that it's an example of the consolidation phase of the cloud bubble.
- U.S. defense agencies' cloud transition yields better intelligence
  
  A cloud migration seems daunting but the effort is worthwhile; U.S. defense agencies say their cloud move led to better military intelligence.
Enterprise Desktop
- Q&A: Microsoft's Erwin Visser discloses Windows 8 mobile strategy
  
  Microsoft GM Erwin Visser discusses the company's mobile strategy for Windows 8 and the need to deliver one device supporting all types of computing.
- Q&A: Microsoft's Erwin Visser on Windows 8.1 updates, security
  
  Microsoft's Erwin Visser discusses Windows 8.1 features, how IT can keep pace with faster update cycles and Windows security enhancements.
- Telerik updates Windows 8 app development tools
  
  Telerik's updated DevCraft tool for developing Windows 8 apps helps IT to deliver business apps to end users on PCs and tablets.

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