sar
Monitor performance of various Linux subsystems. tldr-pages
On Linux
Linux
Report I/O and transfer rate issued to physical devices, one per second (press <Ctrl c> to quit)
sar -b 1IdentifyReport a total of 10 network device statistics, one per 2 seconds
sar -n DEV 2 10IdentifyReport CPU utilization, one per 2 seconds
sar -u ALL 2IdentifyReport a total of 20 memory utilization statistics, one per second
sar -r ALL 1 20IdentifyReport the run queue length and load averages, one per second
sar -q 1IdentifyReport paging statistics, one per 5 seconds
sar -B 5Identify