netstat 유틸리티 설치 방법 netstat CentOS [root@d86a1cc708f1 ~]# yum install -y net-tools [root@d86a1cc708f1 ~]# netstat Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State Active UNIX domain sockets (w/o servers) Proto RefCnt Flags Type State I-Node Path Ubuntu root@2e7d55ea6f88:~# apt-get install -y net-tools root@2e7d55ea6f88:~# netstat Active Internet co..