* RLimitCPU - restrict the strain of CPU usage.
* RLimitCPU Min - set the soft resource limit in seconds per process.
* RLimitCPU Max - set the maximum resource limit in seconds per process.
* RLimitMEM - restrict the memory used by processes run on the server.
* RLimitMEM Min - set the soft resource limit in bytes per process.
* RLimitMEM Max - set the maximum resource limit in bytes per process.
* RLimitNPROC restrict the number of the processes run simultaneously.
* RLimitNPROC Min - set the minimum number of processes.
* RLimitNPROC Max - set the maximum number of processes.