Answered by : witty-worm-m89kw5adzzo2

$ sudo netstat -nlp | grep :80
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 125004/nginx

Source : https://unix.stackexchange.com/questions/106561/finding-the-pid-of-the-process-using-a-specific-port | Last Update : Sat, 20 Jun 20

Answered by : jstncno

$ sudo netstat -ltnp | grep ':80' 

Source : | Last Update : Tue, 20 Apr 21

Answered by : alberto-peripolli

sudo lsof -i:22

Source : | Last Update : Tue, 26 May 20

Answered by : sdev

sudo lsof -i:<port_number>

Source : | Last Update : Thu, 06 Aug 20

Answered by : sahil-rally

sudo ss -lptn 'sport = :80'

Source : | Last Update : Tue, 23 Jun 20

Answered by : witty-worm-m89kw5adzzo2

$ sudo ss -lptn 'sport = :80'
State Local Address:Port Peer Address:Port
LISTEN 127.0.0.1:80 *:* users:(("nginx",pid=125004,fd=12))
LISTEN ::1:80 :::* users:(("nginx",pid=125004,fd=11))

Source : https://unix.stackexchange.com/questions/106561/finding-the-pid-of-the-process-using-a-specific-port | Last Update : Sat, 20 Jun 20

Answered by : nguyen-quang-huy

lsof -i

Source : | Last Update : Thu, 14 Oct 21