I can not solved the problem:
 vzctl works. But how do I connect to Virtuozzo? Using the openvz
>> > driver
>> > it doesn't work out of the box:
>> > virsh # connect openvz:///system
>> > error: Failed to connect to the hypervisor
>> > error: no connection driver available for openvz:///system

Why can not I connect to the openvz???
please help me , thanks.