查看pid
root@ubuntu:~# pidof mongod
4889
root@ubuntu:~#
根据pid查看进程的占用的端口:
root@ubuntu:~# netstat -antup|grep 4889
tcp 0 0 0.0.0.0:27017 0.0.0.0:* LISTEN 4889/mongod
tcp 0 0 127.0.0.1:27017 127.0.0.1:57248 ESTABLISHED 4889/mongod
root@ubuntu:~#
查看某个端口被哪个进程占用:
root@ubuntu:~# lsof -i:27017
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
mongod 4889 mongodb 11u IPv4 79019 0t0 TCP *:27017 (LISTEN)
mongod 4889 mongodb 33u IPv4 79895 0t0 TCP localhost:27017->localhost:57248 (ESTABLISHED)
mongo 4922 root 6u IPv4 79894 0t0 TCP localhost:57248->localhost:27017 (ESTABLISHED)
root@ubuntu:~#