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The Cause Of The Xen Linux Performance Issues

Recently I published some controversial benchmark results of the Xen performance on the Linux 3.0 kernel compared to bare-metal and KVM virtualization along with noting awkward Linux power management when using Xen. The results were valid and have now been confirmed by Xen developers and they have narrowed down the...

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BitNami Bundles Plugins with WordPress and Drupal Stacks

BitNami is going beyond the value-add of bundling popular open source "stacks" of software to start including popular plugins and modules for the software. BitNami is starting with WordPress and Drupal by adding popular plugins for each of the popular Content Management Systems (CMS). We've covered BitNami before.

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Improving How OpenStack Nova Runs Privileged Commands

OpenStack release manager Thierry Carrez examines OpenStack Nova's current privilege model and how it's being improved with the root_helper option. Right now, OpenStack uses sudo to escalate privileges when it needs to run a root command.

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New Relic Expands Performance Monitoring as a Service with Python

How exactly should you gain visibility into the performance levels your customers are seeing when they use your Web applications? One method that's still in wide use is compelling users to install plug-ins and background processes. But for many users, that's not just performance monitoring, that's behavior monitoring. 

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Red Hat OpenShifts Into the Cloud

Red Hat's OpenShift is their new Platform as a Service (PaaS) cloud offering. OpenShift makes some big promises: power, speed, openness, and portability, the ultimate fast friendly PaaS. Will it deliver on these promises? Time will tell, and you can start testing it now for free.

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