The vmstat command

The vmstat command is a powerful tool for monitoring system performance and analyzing resource usage. When executed, the vmstat command provides a detailed report on various system statistics, including CPU usage, memory usage, virtual memory, disk I/O, and system processes. This comprehensive overview allows system administrators to identify performance bottlenecks, detect potential issues, and make informed decisions about system optimization and resource allocation. The vmstat command is particularly valuable for performance tuning, capacity planning, and troubleshooting system slowdowns or resource constraints. It offers valuable insights into the system’s health and performance, enabling administrators to proactively address any emerging issues and ensure the smooth operation of the Linux environment.

The following example is to monitor system memory, processor, and I/O statistics in real time:

Figure 9.22 – Monitoring...