1 查看进程占用的端口
[root@localhost ~]# netstat -nap | grep 126012
tcp6 0 0 :::8001 :::* LISTEN 126012/java
tcp6 0 0 10.26.20.68:42674 10.26.20.63:3306 ESTABLISHED 126012/java
tcp6 0 0 10.26.20.68:42676 10.26.20.63:3306 ESTABLISHED 126012/java
tcp6 0 0 10.26.20.68:42024 10.26.20.65:8761 ESTABLISHED 126012/java
tcp6 0 0 10.26.20.68:42672 10.26.20.63:3306 ESTABLISHED 126012/java
unix 2 [ ] STREAM CONNECTED 5329929 126012/java
进程126012 占用端口8001;
2 查看某个端口是否被占用
[root@localhost ~]# netstat -unltp|grep 8001
tcp6 0 0 :::8001 :::* LISTEN 126012/java
8001端口被进程126012占用;