Email Alerts
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Red Hat Summit 2011 on SearchEnterpriseLinux.com
Open source virtualization and cloud computing were hot topics at the 2011 Red Hat Summit and JBoss World event, in Boston, Mass. Feature
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Red Hat Enterprise Linux tools digest
Many tools can help system administrators use Red Hat Enterprise Linux in their data centers and virtual machines securely with maximum performance. Learn which tools are available and how to use them in your RHEL environment. Digest
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Open source virtualization digest
This collection of tips, guides and news showcases open source virtualization, a low-cost alternative to proprietary virtualization technology. Digest
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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. Feature
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IT professionals' learning center
Check out our most popular chapter downloads that cover Linux security, virtualization and more. Then, take a look at what the authors have to say. Chapter Download Library
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Linux on servers: News, tips and advice
This collection of news, expert advice and user stories show how and why Linux plays well with blades, 64-bit servers and more heavy metal. Spotlight
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Xen: Getting started with virtualization
Get started with virtualization using free, open source Xen. Find out the latest news, expert advice and tips for using Xen in your data center. Fast Guide
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Server virtualization lingo: Lunchtime learning
Too busy to find time to learn server virtualization lingo? Wrong! Take this quiz on your break. You nail it down in ten minutes. Quiz
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Overheard at the Red Hat Summit: Nyancat and the cloud
Attendees at the 2012 Red Hat Summit brought many different perspectives. Here are a few witty quotes to get you thinking. News | 29 Jun 2012
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Microsoft Azure to allow users to run Linux
In spite of rocky history, Microsoft Azure's persistent VMs should allow users to run Linux applications. News | 06 Jun 2012
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RHEV 3.1 to bring storage live migration, scalability
RHEV 3.1 will include storage live migration and other KVM virtualization management features that will give server virtualization users a viable alternative to Microsoft and VMware. News | 19 Jan 2012
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Red Hat open sources RHEV virtualization management tool
Red Hat says the new oVirt project to develop its RHEV-M will result in sophisticated open source virtualization management tools, but so far it’s being met with a lukewarm response. News | 16 Dec 2011
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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. News | 06 Dec 2011
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Open source hypervisors on VMware shops’ radars
Respondents in our 2011 Virtualization Decisions survey gave Citrix XenServer and Red Hat KVM a new look. News | 11 Oct 2011
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Linux kernel to fully support Xen: Too little too late?
The mainline Linux kernel now supports Xen, but the KVM horse has left the barn, say experts. News | 07 Jun 2011
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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. News | 20 Aug 2010
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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. News | 20 Aug 2010
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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. Article | 25 Jun 2010
- See more News on Linux virtualization
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Using KVM virtualization in the enterprise: RHEV or RHEL?
They sound alike, but RHEV and RHEL are pretty different. Red Hat’s KVM virtualization products offer different levels of KVM management capabilities. Tip
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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 in a smaller virtualized Linux system. Tip
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SUSE Manager for Linux virtualization systems management
Novell's new systems management tool, SUSE Manager, runs as a software appliance in a virtualized environment. Learn how to install and configure SUSE Manager in a Linux XenServer system. Tip
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Using Vagrant with Puppet to create VirtualBox hosts
Vagrant integrates with Puppet and Chef to automate configuration management to build VirtualBox hosts. Linux systems admins can use this technology for quickly creating development hosts and production hosts. Tip
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Ganeti clustered virtualization on Linux
Ganeti is a tool for managing virtual instances across a cluster. Learn how to install this open source cluster-management tool on your Linux system using Xen as the hypervisor, and get it to work on a two-node cluster. Tip
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Optimizing SUSE Linux performance for VMware environments
Learn how to optimize Suse Linux Enterprise Server (SLES) on VMware by optimizing VMware and SUSE. For better performance, switch to VMware's paravirtualization disk driver and adjust I/O settings in SUSE along with changing the journal settings. Tip
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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. Tip
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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. Tip
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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. Tip
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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. Tip
- See more Tips on Linux virtualization
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Virtualization on Linux
Finding affordable virtualization products for Linux. Ask the Expert
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Linux on P5 systems
Ask the Expert
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VPSes on RHEL 3/RHEL 4
Ask the Expert
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Virtualization and flexibility on Sun and IBM
Ask the Expert
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Loading an operating system with virtualization software
An open source software and apps expert tells why it would be better to offer a guest user option instead of doing away with a desktop. Ask the Expert
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Xen vs. other virtualization technologies
Open source applications and software expert Bernard Golden explains some of the technical points of Xen. Ask the Expert
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Business benefits of virtualization
Open source applications and software expert Bernard Golden explains the power and high performance incentives that virtualization technology offers to businesses. Ask the Expert
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Clearing up confusion about virtualization and Xen
Just what is virtualization anyway, and where does Xen fit into the picture? This IT pro wants one simple answer, but our expert has to tell the truth, which isn't simple. Ask the Expert
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Using VMware to toggle between XP and Linux versus migration
Ask the Expert
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What benefits will Linux 2.6's new virtual machine technologies offer?
Ask the Expert
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kernel-based Virtual Machine (KVM)
Kernel-based Virtual Machine (KVM) is a free, open source virtualization architecture for Linux distributions. Definition
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kernel-based Virtual Machine (KVM)
Kernel-based Virtual Machine (KVM) is a free, open source virtualization architecture for Linux distributions. Definition
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Overheard at the Red Hat Summit: Nyancat and the cloud
Attendees at the 2012 Red Hat Summit brought many different perspectives. Here are a few witty quotes to get you thinking. News
-
Microsoft Azure to allow users to run Linux
In spite of rocky history, Microsoft Azure's persistent VMs should allow users to run Linux applications. News
-
RHEV 3.1 to bring storage live migration, scalability
RHEV 3.1 will include storage live migration and other KVM virtualization management features that will give server virtualization users a viable alternative to Microsoft and VMware. News
-
Red Hat open sources RHEV virtualization management tool
Red Hat says the new oVirt project to develop its RHEV-M will result in sophisticated open source virtualization management tools, but so far it’s being met with a lukewarm response. News
-
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. News
-
Open source hypervisors on VMware shops’ radars
Respondents in our 2011 Virtualization Decisions survey gave Citrix XenServer and Red Hat KVM a new look. News
-
Using KVM virtualization in the enterprise: RHEV or RHEL?
They sound alike, but RHEV and RHEL are pretty different. Red Hat’s KVM virtualization products offer different levels of KVM management capabilities. Tip
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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 in a smaller virtualized Linux system. Tip
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Linux kernel to fully support Xen: Too little too late?
The mainline Linux kernel now supports Xen, but the KVM horse has left the barn, say experts. News
- See more All on Linux virtualization
About Linux virtualization
Understanding the virtualization products and services available for Linux allow IT managers to choose the perfect service and begin taking advantage of the flexibility of virtual environments. Discover the top vendors, including VMware, KVM and Xen, and best practices for Linux virtual machines, Linux virtual appliances and virtualization on Linux strategies. This topic also covers Linux virtualization options for the enterprise, Red Hat Enterprise Linux virtualization architecture, creating virtual appliances, Xen virtual machines and virtual host management.