port running linux
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port running linux
xxxxxxxxxx# all of these commands to the same job, but one maybe works and the other not.sudo lsof -i -P -n | grep LISTENsudo netstat -tulpn | grep LISTENsudo ss -tulpn | grep LISTENsudo lsof -i:22 ## see a specific port such as 22 ##sudo nmap -sTU -O IP-address-HereSource: www.cyberciti.biz
xxxxxxxxxx$ sudo lsof -n -i :80 | grep LISTENnginx 125004 nginx 3u IPv4 6645 0t0 TCP 0.0.0.0:80 (LISTEN)Source: unix.stackexchange.com
xxxxxxxxxx$ 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: unix.stackexchange.com
xxxxxxxxxx$ sudo netstat -nlp | grep :80tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 125004/nginxSource: unix.stackexchange.com
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