• Docker

    Docker is an open-source program that enables a Linux application and its dependencies to be packaged as a container.

  • kernel-based Virtual Machine (KVM)

    Kernel-based Virtual Machine (KVM) is a free, open source virtualization architecture for Linux distributions.

  • British ISP deploys open source virtualization

    JT Global is marching to the beat of its own drummer with open source software, including Ubuntu virtual machines, ConVirt virtualization management software, and a unique approach to VM clustering.

  • How to improve KVM performance by adjusting KSM

    KVM Virtualization on Red Hat Enterprise Linux 6 is optimized for hosting environments with many virtual machines by using kernel samepage merging. But, disabling KSM can provide better performance...

Linux virtualization

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  • Red Hat needs to fill gaps in virtual server management

    Even with Red Hat's addition of virtualization management IP from Fortisphere, users say that Red Hat has some work to do regarding virtual server management. 

  • Open source virtualization digest

    This collection of tips, guides and news showcases open source virtualization, a low-cost alternative to proprietary virtualization technology. 

  • Red Hat optimizes RHEL 6 kernel for virtualization

    In Red Hat Enterprise Linux 6, some specific enhancements will be made to the kernel to optimize it for KVM. In some cases, these improvements will provide near-native performance for virtual machines. Xen will no longer be supported. 

  • Red Hat users eye Xen-to-KVM move

    Support for KVM server virtualization has grown, but users who make the move from KVM to Xen face a potentially complex migration process and political minefields in the data center. 

  • Red Hat Summit 2010 on SearchEnterpriseLinux.com

    The Red Hat Summit 2010 took place in Boston, Mass. and the SearchEnterpriseLinux.com staff were on site to cover news from the event. Virtualization and cloud were hot topics on day one. 

  • Red Hat users enveloped by cloud, virtualization

    Cloud computing, virtualization and new features in Red Hat Enterprise Linux 6, which hits beta 2 next week, were the hot topics at Red Hat Summit 2010. 

  • VMware virtual apps now on Novell SUSE Linux

    Novell SUSE Linux Enterprise Server will soon be home to all VMware virtual appliances due to a pact between VMware and Novell, giving SUSE an edge over other distros. 

  • Weighing Linux server consolidation tools

    Choosing the best Linux server consolidation software for your data center hinges on factors other than cost. This tip compares Novell's PlateSpin, HP and VMware's Capacity Planner in terms of your data center requirements. 

  • Booting a Xen virtual machine from CD-ROM or DVD

    If your Xen virtual machine fails, you may want to boot it from an installation disk and run the rescue program. Learn the required steps to succesfully boot a Xen virtual machine from a disk on a Linux machine. 

  • Red Hat vs. Ubuntu KVM virtualization: Which is best?

    Red Hat and Ubuntu KVM technologies share similar architecture, but the management features available for Red Hat KVM sets the distribution apart.