Linux Welcher Prozess verwendet einen Port
$ sudo netstat -ltnp | grep ':80'
jstncno
$ sudo netstat -ltnp | grep ':80'
$ sudo netstat -nlp | grep :80
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 125004/nginx
sudo lsof -i:22
sudo lsof -i:<port_number>
sudo ss -lptn 'sport = :80'
lsof -i