linux 查看端口号对应的进程信息

[quote][hadoop@hhumaster ~]$ lsof -i:22
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
ssh 6796 hadoop 3u IPv6 29809 0t0 TCP localhost:56470->localhost:ssh (ESTABLISHED)
[/quote]


[hadoop@hhumaster ~]$ netstat -nlp | grep 9000
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 ::ffff:121.248.200.26:9000 :::* LISTEN 9302/java
[hadoop@hhumaster ~]$ lsof -i:9000
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
java 9302 hadoop 37u IPv6 39077 0t0 TCP hhumaster:cslistener (LISTEN)
java 9302 hadoop 52u IPv6 40097 0t0 TCP hhumaster:cslistener->hhudatanode3:36717 (ESTABLISHED)
java 9302 hadoop 53u IPv6 40430 0t0 TCP hhumaster:cslistener->hhudatanode5:58580 (ESTABLISHED)
java 9302 hadoop 54u IPv6 40595 0t0 TCP hhumaster:cslistener->hhudatanode2:59142 (ESTABLISHED)
java 9302 hadoop 56u IPv6 40924 0t0 TCP hhumaster:cslistener->hhudatanode4:41856 (ESTABLISHED)

-p, --programs display PID/Program name for sockets
-c, --continuous continuous listing
-l, --listening display listening server sockets