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KVM (Kernel-based Virtual Machine) is a full virtualization solution
for Linux on x86 hardware containing virtualization extensions
(Intel VT or AMD-V). KVM is divided into the KVM-KMOD package
(kernel modules) and the QEMU-KVM package (slightly modified QEMU)
which are both available as separate Slackbuilds.
QEMU-KVM is a generic and open source virtualizer. QEMU-KVM achieves
near native performances by leveraging the KVM-KMOD modules and
executing the guest code directly on the host CPU. QEMU-KVM can
virtualize many system guest types (e.g. alpha, arm, i386, ppc, x86_64,
s390, sparc). Slackware provides pre-built KVM-KMOD modules or you
can build different versions with the KVM-KMOD SlackBuild.
QEMU-KVM requires a system group and uses 'kvm' as the default. If you
want to use a different group like 'users' then run the script like this:
KVMGROUP=users sh qemu-kvm.SlackBuild
After package installation, make sure you have the KVMGROUP present on
your system and that all desired users are members of that group.
Don't forget to load the KVM-INTEL or KVM-AMD module depending on your
processor.
The script builds only x86 and x86_64 Linux Target CPU emulators by default.
If you need to emulate all target CPUs, set BUILD_ARCH to "all" but be
aware that the compilation will take a lot longer, and you should really
be using plain "qemu" for the others (since they can't use the KVM stuff
anyway. The default "x86_64" value works fine for for 32-bit or 64-bit
QEMU-KVM hosts providing full system emulation supporting Linux, BSD, and
Windows guests.
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