云计算基础架构平台，opennebula,可以创建虚拟集群，虚拟网络，虚拟机，并对集群内各种资源进行合理调度。-Cloud computing infrastructure platforms, opennebula, you can create a virtual cluster, virtual networks, virtual machine, and a variety of resources to conduct a reasonable cluster scheduling.

以状态机方式实现了一个简单的任务调度模块，其中包括了对数据库，函数指针，调度linux shell的应用，超详细-The state machine approach to achieve a simple task scheduler module, including the application of the database, the function pointer, scheduling linux shell, ultra-detailed