Linux view ports are occupied

Linux view ports are occupied

1, Lsof-i: Port number is used to view the occupancy of a port, such as viewing 8080 ports usage, lsof-i:8080

If you execute the lsof-i:8080 system prompt:-bash:lsof: Command not found, install lsof using yum install lsof such as: The installation is complete and then you can see the situation that was occupied by 8080

Lsof-i

Lsof Output Information Meaning:

COMMAND: The name of the process

PID: Process Identifier

USER: Process Owner

FD: File descriptor application identifies files through file descriptors

Type: File type

DEVICE: Specifies the name of the disk

Size: Sizes of files

Node: Index node

Name: Open the exact name of the file

Lsof-i: Port number

End process directly kill-9 process number.

2.NETSTAT-TUNLP |grep port number, view the process of the specified port number, view Port 22, NETSTAT-TUNLP |grep 22

Linux view ports are occupied