How to check if Linux port 8080 is occupied

In Linux, you can use the netstat command to check whether port 8080 is occupied. This command is used to display the status of the network. The syntax is "netstat -tln | grep 8080"; if the returned result is empty, it means 8080 The port is not occupied. If the returned result is not empty, it means that the port is occupied.

#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

How to check whether port 8080 of Linux is occupied

Enter the command

netstat -tln | grep 8080

to check the status of port 8080, and press Enter to execute.

Linux netstat command is used to display network status.

Using the netstat command allows you to know the network status of the entire Linux system.

Syntax

netstat [-acCeFghilMnNoprstuvVwx][-A<网络类型>][--ip]

Parameter description:

• -a or --all Display all connected Sockets.

• -A or -- lists the relevant addresses in the connection of this network type.

• -c or --continuous continuously lists network status.

• -C or --cache displays the cache information of the router configuration.

• -e or --extend displays other network-related information.

• -F or --fib displays the route cache.

• -g or --groups Display the list of multicast function group members.

• -h or --help online help.

• -i or --interfaces Display the network interface information form.

• -l or --listening displays the Socket of the monitored server.

• -M or --masquerade displays masqueraded network connections.

• -n or --numeric uses the IP address directly without going through the domain name server.

• -N or --netlink or --symbolic Displays the symbolic link name of the network hardware peripheral.

• -o or --timers Display timers.

• -p or --programs displays the program identification code and program name that is using the Socket.

• -r or --route displays the Routing Table.

• -s or --statistics Display network work information statistics table.

• -t or --tcp displays the connection status of the TCP transmission protocol.

• -u or --udp displays the connection status of UDP transmission protocol.

• -v or --verbose displays the instruction execution process.

• -V or --version displays version information.

• -w or --raw displays the connection status of the RAW transmission protocol.

• -x or --unix The effect of this parameter is the same as specifying the "-A unix" parameter.

• --ip or --inet The effect of this parameter is the same as specifying the "-A inet" parameter.

Examples are as follows:

If empty information is returned, it means it is not occupied.

#If there is information returned, it means it is occupied by a process.

Recommended learning: Linux video tutorial

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