The sysstat project is a collection of tools that can be used to do performance monitoring on Linux.
Network[edit | edit source]
sar -n DEV,EDEV to show the port counters for your network devices.
Since sar reads the
sar collector metrics from
/var/log/sa, you may need to start the
sysstat collector (with
systemctl start sysstat) if it hasn't started already.