How to find out or determine the strength / power of a DDoS attack?

Question

Debian

Hello, there is a test vps, and there is a stresser.
I would like to measure the attack from the stresser, the number of connections to port 80 is understandable, but how to determine pps and so on in digital equivalent?

Answer 1

Network interface statistics can be monitored in many ways, from comparing ifconfig or values ​​in files in /sys/class/net/eth0/statistics/ before and after the test, to monitoring via snmp or agents like zabbix/prometeus.