实例1
??检测与influxd程序相关的几个端口号。
lwk@qwfys ~ $ sudo netstat -naptu | grep LISTEN | grep influxd
tcp6 0 0 :::8083 :::* LISTEN 15668/influxd
tcp6 0 0 :::8086 :::* LISTEN 15668/influxd
tcp6 0 0 :::8088 :::* LISTEN 15668/influxd
??检测当前哪些端号号打开着
实例2
lwk@qwfys ~ $ sudo netstat -tupln
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.1.1:53 0.0.0.0:* LISTEN 1617/dnsmasq
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 1477/mysqld
tcp6 0 0 :::3000 :::* LISTEN 13576/grafana-serve
udp 0 0 0.0.0.0:631 0.0.0.0:* 1050/cups-browsed
udp 0 0 0.0.0.0:5353 0.0.0.0:* 2908/chrome
udp 0 0 0.0.0.0:5353 0.0.0.0:* 852/avahi-daemon: r
udp 0 0 0.0.0.0:46618 0.0.0.0:* 852/avahi-daemon: r
udp 0 0 0.0.0.0:40932 0.0.0.0:* 1617/dnsmasq
udp 0 0 127.0.1.1:53 0.0.0.0:* 1617/dnsmasq
udp 0 0 0.0.0.0:68 0.0.0.0:* 1597/dhclient
udp 0 0 192.168.1.71:123 0.0.0.0:* 2539/ntpd
udp 0 0 127.0.0.1:123 0.0.0.0:* 2539/ntpd
udp 0 0 0.0.0.0:123 0.0.0.0:* 2539/ntpd
udp6 0 0 :::42801 :::* 852/avahi-daemon: r
udp6 0 0 :::5353 :::* 2908/chrome
udp6 0 0 :::5353 :::* 852/avahi-daemon: r
udp6 0 0 fe80::1450:2330:2f6:123 :::* 2539/ntpd
udp6 0 0 ::1:123 :::* 2539/ntpd
udp6 0 0 :::123 :::* 2539/ntpd