linux中查看端口号 yum install lsof -y [root@test1 ~]# lsof -i :80
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
httpd 11359 root 4u IPv6 34040 0t0 TCP *:http (LISTEN)
httpd 11360 apache 4u IPv6 34040 0t0 TCP *:http (LISTEN)
httpd 11361 apache 4u IPv6 34040 0t0 TCP *:http (LISTEN)
httpd 11362 apache 4u IPv6 34040 0t0 TCP *:http (LISTEN)
httpd 11363 apache 4u IPv6 34040 0t0 TCP *:http (LISTEN)
httpd 11364 apache 4u IPv6 34040 0t0 TCP *:http (LISTEN)
