New, much improved version available. This pretty much a total rewrite
and lots of planned functions/commands are still missing but give it a
try.
New features
- Support for multiple hard disks (see /etc/kvmctl/cfg/example.cfg)
- Support for multiple NICs (see /etc/kvmctl/cfg/example.cfg)
- Soundhw support (currently hard coded to es1370)
- Check VM settings with 'kvmctl vmname details' ('kvmctl list' for overview)
Plans:
- Handle CPU affinity, nice and ionice levels better so that root can
control them in vm.conf (only root can set negative nice level
- Add monitor commands (change CD, manage USB devices etc)
- Automatically restart VM after crash (configurable)
-------------------
Installation instructions that work on debian. Other distributions
should work with minor changes.
1. Install KVM
2. Download and untar kvmctl package
- cd / ; tar xzvf kvmctl-<version>.tar.gz
3. Install needed utilities
- sudo (sudo)
- brctl (bridge-utils)
- socat (socat)
- tunctl (uml-utilities)
- ionice (util-linux)
- nice (coreutils)
- taskset (util-linux)
- Your prefered text editor. Define in /etc/kvmctl/global.conf
4. Create group kvm and add users who should be able to control VMs
- usermod -a -G kvm <username>
5. Set /dev/kvm permissions
- /etc/udev/rules.d/91-permissions.rules -> KERNEL=="kvm",
GROUP="kvm"
6. Create group kvm (use gid if possible 117)
Following files/directories must be owned by group kvm
/var/run/kvmctl (must be writable)
/var/log/kvmctl (must be writable)
/usr/local/bin/kvmctl (executable)
/etc/qemu-ifup (executable)
/etc/qemu-ifdown (executable)
/etc/kvmctl (readable)
/etc/kvmctl/cfg (writable)
/etc/kvmctl/startup (writable)
7. Set up sudo
- install sudo
- edit /etc/sudoers
Cmnd_Alias
KVM=/sbin/ifconfig,/usr/sbin/brctl,/usr/sbin/tunctl
%kvm ALL=NOPASSWD: KVM
8. Use /etc/kvmctl/cfg/example.cfg as a template for new VMs
9. Set up network interfaces (bridges).
/etc/network/interfaces
auto eth0
iface eth0 inet manual
auto br0
iface br0 inet static
address 192.168.0.1
network 192.168.0.0
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1
bridge_ports eth0
bridge_fd 9
bridge_hello 2
bridge_maxage 10
bridge_stp off
auto vbr0
iface vbr0 inet static
address 192.168.1.1
netmask 255.255.255.0
bridge_ports none
bridge_fd 9
bridge_hello 2
bridge_maxage 12
bridge_stp off
auto vbr1
iface vbr1 inet static
...
...
10. Make /etc/init.d/kvm run automatically
update-rc.d kvm defaults (as root)
-------------------
Download link http://81.209.59.200/kvmctl-0.2.0.tar.gz
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