Manage VM in console

OpenVZ

Show all OpenVZ containers:

vzlist -a

Show all OVZ templates:

 ls /vz/template/cache/

Stop container:

vzctl stop <vmID>

Srart container:

vzctl start <vmID>

Restart container:

vzctl restart <vmID>

Create container:

vzctl create <vmID>

More details about CT creation: http://openvz.org/Configuring_container_creation

ovz container creation example:

vzctl create 115 --ostemplate centos-6-x86

Remove container:

vzctl destroy

For extended description refer to man vzctl. Also we recommend to read Basic operations in OpenZV environment http://openvz.org/Basic_operations_in_OpenVZ_environment

get active vz containers count:

vzlist | wc -l

get containers disk usage in %

vzlist -a -H -o hostname,diskspace,diskspace.s,veid  | awk '{ printf( "%2.f%\t%s\t%s\n"), $2*100/$3, $4, $1}' | sort -r

get 10 top CPU openvz containers

ps -e h -o pid --sort -pcpu | head -10 | vzpid -  

KVM

Show all Virtual Machines (logical volumes):

lvdisplay

Show state of Virtual Machines:

virsh list --all

Soft shutdown VM. This will sent shutdown command to VMs OS.

virsh shutdown kvm<ID>  #for example kvm101

Soft reboot VM

virsh reboot kvm<ID>

Hard power off. This will be equal to unplugging power cord from physical machine.

virsh destroy kvm<ID>

Hard power on

virsh start kvm<ID>

For extended description refer to man virsh.

""