Debug and fix Virtuozzo / KVM broken Hypervisor error: 'PrlSDKError('SDK error: 0x80000249: Unable to connect to Virtuozzo. You may experience a connection problem or the server may be down.' on CentOS Linux
Buffer over-read vulnerability in Virtuozzo Power Panel (VZPP) and Automator
Installation, configuration and use of Virtuozzo | Blog Bujarra.com