linux 查看端口号对应的进程信息
COMMANDPIDUSERFDTYPEDEVICESIZE/OFFNODENAME
ssh6796hadoop3uIPv6298090t0TCPlocalhost:56470->localhost:ssh(ESTABLISHED)
[hadoop@hhumaster~]$netstat-nlp|grep9000
(Notallprocessescouldbeidentified,non-ownedprocessinfo
willnotbeshown,youwouldhavetoberoottoseeitall.)
tcp00::ffff:121.248.200.26:9000:::*LISTEN9302/java
[hadoop@hhumaster~]$lsof-i:9000
COMMANDPIDUSERFDTYPEDEVICESIZE/OFFNODENAME
java9302hadoop37uIPv6390770t0TCPhhumaster:cslistener(LISTEN)
java9302hadoop52uIPv6400970t0TCPhhumaster:cslistener->hhudatanode3:36717(ESTABLISHED)
java9302hadoop53uIPv6404300t0TCPhhumaster:cslistener->hhudatanode5:58580(ESTABLISHED)
java9302hadoop54uIPv6405950t0TCPhhumaster:cslistener->hhudatanode2:59142(ESTABLISHED)
java9302hadoop56uIPv6409240t0TCPhhumaster:cslistener->hhudatanode4:41856(ESTABLISHED)
-p,--programsdisplayPID/Programnameforsockets
-c,--continuouscontinuouslisting
-l,--listeningdisplaylisteningserversockets