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)