sar

> Monitor performance of various Linux subsystems.

Report I/O and transfer rate issued to physical devices, one per second (press CTRL+C to quit):

sar -b {1}

Report a total of 10 network device statistics, one per 2 seconds:

sar -n DEV {2} {10}

Report CPU utilization, one per 2 seconds:

sar -u ALL {2}

Report a total of 20 memory utilization statistics, one per second:

sar -r ALL {1} {20}

Report the run queue length and load averages, one per second:

sar -q {1}

Report paging statistics, one per 5 seconds:

sar -B {5}

> This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).

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