Open source virtualization News
December 20, 2013
With the majority of costumers sticking with VMware vSphere, Red Hat has changed its tune with RHEV 3.3.
October 24, 2013
Red Hat released RHEV 3.3 this week, with features comparable to VMware and Microsoft. Does the open source hypervisor stand a chance in the market?
July 19, 2013
Open source virtualization software has improved, and admins want more choice, but VMware and Hyper-V still dominate the market.
June 25, 2013
Citrix is giving away the whole XenServer kit and caboodle in an attempt to win over cloud providers and the businesses they serve.
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KSM (kernel samepage merging) is a Linux kernel feature that allows the KVM hypervisor to share identical memory pages among different process or virtual machines on the same server. Continue Reading
You could use Amazon cloud services to offer a virtual classroom, but a simple KVM deployment can give you better performance for a small price. Continue Reading
Docker containers are fast, easy to use and largely free. In terms of performance, they have even been called comparable to KVM. But that doesn't mean Docker containers are right for everyone. Continue Reading
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Containers and virtual machines both allow you to abstract the workload from the underlying hardware, but there are important differences in the two approaches that need to be taken into account. Continue Reading
QEMU has been an integral part of KVM virtualization for years, but its influence is slowly dwindling. Continue Reading
In RHEV 3.4, there are some small upgrades and new features that will help, but more importantly, the focus on the big picture becomes clearer. Continue Reading
Manage Open source virtualization
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Using LVM thin provisioning in a KVM virtualized environment allows you to over-allocate storage and makes more efficient use of physical disks. Continue Reading
Squeeze more KVM virtual machines onto your physical servers by implementing these memory swap strategies. Continue Reading
A simple KVM deployment can get your virtual classroom up and running, but you also need a strategy for managing and restoring VMs after a course ends. Continue Reading
Problem Solve Open source virtualization Issues
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Managing KVM virtual environments with virt-manager can be a pain if you want virtual machines to be accessed by end users instead of root users. Here's how to make it happen. Continue Reading
Most Linux distributions include everything you need to build a KVM high availability cluster and protect your environment. Continue Reading
Use cgroups to limit the resources a virtual container can consume to prevent oversubscription and contention. Continue Reading