FWIW, netstat is considered legacy and deprecated. The in-vogue way to do the same thing is ss -lpn | grep 8080.

netstat like ifconfig still works and is shipped in the net-tools package if you like it but if you’re learning it’s better to build a habit with ss and ip right away.

https://arturogl.com/2023/10/18/linux-new-tools-replacing-netstat/