Kvm

Yet another post

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#= Links =

  • http://wiki.centos.org/HowTos/KVM - setup KVM and bridged networking
  • http://wiki.centos.org/HowTos/Network/IPTables
  • http://www.cyberciti.biz/faq/rhel-linux-kvm-virtualization-bridged-networking-with-libvirt/

#= Installation =

rpmforge repositories CANNOT be enabled. I have not been able to get qemu to work using qemu from rpmforge.

egrep '(vmx|svm)' --color=always /proc/cpuinfo
yum install kvm kmod-kvm qemu-kvm-img virt-manager
modprobe kvm-amd
/sbin/lsmod | grep kvm
usermod -G kvm -a jonas etc.

reboot

Copy scripts for creating a bridge and TAP tunnels from the subversion repositiry

Install a windows server

qemu-img create -f qcow2 disk.img 5G
dd if=/dev/zero of=disk.img bs=1G count=5
# change img and iso etc
qemu-kvm -hda win2k.img -cdrom win2k.iso -m 512 -boot d
# run the machine
qemu-kvm -hda win2k.img

#= Network =

Chenge the device of teh machine if it has been cloned

virsh
edit lserverXX
find the interface section and change vnetX toi vnetY

#= Disable NAT =

  • http://www.cyberciti.biz/faq/linux-kvm-disable-virbr0-nat-interface/