Cluster services and performance
Although every system administrator must be well acquainted with the widely used Linux commands, such as top and ps, to quickly report a snapshot of running daemons and other processes in each node, you must also learn to rely on the new utilities provided by CentOS 7 to start our node monitoring, which we have introduced in previous chapters. But even more importantly, we will also use PCS-based commands to gain further insight into our cluster and its resources.
