运维必备！linux查看端口占用情况

做linux运维常常于见的问题！ Mar 21 21:25:02 VM_0_9_centos httpd: (98)Address already in use: AH00072: make_sock: could not bind to address [::]:80 Mar 21 21:25:02 VM_0_9_centos httpd: (98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80 Mar 21 21:25:02 VM_0_9_centos httpd: no li