Tag Archives: libvirt

Libvirt vs vSphere Management Agent: A Quick Comparison

Libvirt is an open source project for managing almost all hypervisors and containers. It’s implemented in C and can be exposed through different language bindings.

There are both server (a.k.a daemon or agent) and client. If you are familiar with VMware vSphere (I assume you are if you read my blog), the server is very much like the hostd running on the ESXi side. The client is like the VI Java API that can be used for remote management.

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Understanding Libvirt and APIs For VMware Professionals

As discussed in my previous post, Libvirt is an open source project for managing hypervisors. With the increasing popularity of Openstack, it’s important to get familiar with KVM as an alternative virtualization platform to commercial products like vSphere and Hyper-V.

To use KVM, you don’t have to install Openstack – you can just install KVM as a standalone product as described in my previous post. In that, it’s pretty much like VMware Player or Workstation. In terms of maturity, KVM is pretty solid and way ahead of Openstack which is also improving quickly since last year with many commercial vendors jumping in.

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Managing KVM with Libvirt In Java: Step by Step Tutorial

As mentioned earlier, I got the KVM instances running on my compute cluster after installing the Openstack. I’ve been curious on KVM management APIs, so I took some time to give it a try. In the following, I’ll detail on how to set up environment and get your first HelloWorld type of Java code working.

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    My company has created products like vSearch ("Super vCenter"), vijavaNG APIs, EAM APIs, ICE tool. We also help clients with virtualization and cloud computing on customized development, training. Should you, or someone you know, need these products and services, please feel free to contact me: steve __AT__ doublecloud.org.

    Me: Steve Jin, VMware vExpert who authored the VMware VI and vSphere SDK by Prentice Hall, and created the de factor open source vSphere Java API while working at VMware engineering. Companies like Cisco, EMC, NetApp, HP, Dell, VMware, are among the users of the API and other tools I developed for their products, internal IT orchestration, and test automation.