see process running on port code example

Example 1: find out process using port windows

netstat -ano | findstr 8080

Example 2: linux query port use by pid

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

Example 3: ubuntu check process on port

sudo lsof -i:22

Example 4: linux query port use by pid

$ 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))

Example 5: netstat pid

sudo netstat -plnt