Randy Broman wrote:
I'm running Kubuntu Jaunty 9.04 on an AMD Phenom II 910, with a custom
2.6.28 kernel. I want to install KVM with a Windows XP guest. Apologies
I'm confused as to exactly what to install ....
-I can (should?) apt-get install KVM and/or QEMU from the Jaunty archives.
-I can configure KVM into my custom kernel using CONFIG_KVM=m,
CONFIG_KVM_AMD=m and a couple other .config options.
-I can download, compile and install kvm-84 from source for my kernel
On this basis I would presumably invoke qemu-system-x86_64 from
the install directory.
Hi Randy,
I follow the third method. Compiling the kvm-84 tarball will build both
the kernel modules and the userspace qemu-system-x64_84 for you and
install them for you.
This is a home not production system, and I'd like to get the best guest
performance possible.
Getting the best performance possible will depend on your use of
devices. For network performance do not use the "user" network stack
it's really slow; use vde or bridged networking. Docs for this are here
(http://www.linux-kvm.org/page/Networking). VDE has no description
(yet), but google will help.
I'm a little confused between KVM and QEMU ... I
know there's a KVM kernel module(s) plus the facility to run the virtual
guest, but I'm unsure which of the above choices to use.
Qemu is an system emulator that emulate numerous architectures. With
KVM, Qemu is used in the userspace to manage virtual devices and
allocate memory for the VMs (no processor emulation is done; Qemu is
only used for x86 on x86 within KVM), but kernel modules are added to
take advantage of hardware virtualization support. It's well known that
the names of executables can be confusing :)
Would appreciate recommendations and/or pointers to useful docs.
linux-kvm.org is the place to start. Specifically the how-to section.
Good luck,
Cam
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