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home / developersection / forums / how to kill a process running on a particular port in linux?
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Utpal Vishwas
Utpal Vishwas

Student

I am Utpal Vishwas from Uttar Pradesh. Have completed my B. Tech. course from MNNIT campus Prayagraj in 2022. I have good knowledge of computer networking.

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1 Answers

Aryan Kumar
Aryan Kumar 15 Jul 2023
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There are a few ways to kill a process running on a particular port in Linux. Here are two methods:

Method 1: Using the netstat command

The netstat command is a command-line utility that displays network statistics. You can use the netstat command to find the process that is using a specific port.

To do this, follow these steps:

  1. Open a command prompt.
  2. Run the following command:
netstat -ano | findstr :PORT

Replace PORT with the port number that you want to find the process for. For example, to find the process that is using port 8080, you would run the following command:

netstat -ano | findstr :8080

This will display a list of all the processes that are using port 8080. The process ID (PID) of the process will be listed in the second column.

  1. Once you have found the PID of the process, you can use the kill command to kill the process.

To do this, run the following command:

kill -9 PID

Replace PID with the PID of the process that you want to kill. For example, to kill the process with PID 1234, you would run the following command:

kill -9 1234

Method 2: Using the fuser command

The fuser command is a command-line utility that can be used to find and control processes that are using a specific port.

To do this, follow these steps:

  1. Open a command prompt.
  2. Run the following command:
fuser -n TCP :PORT

Replace PORT with the port number that you want to find the process for. For example, to find the process that is using port 8080, you would run the following command:

fuser -n TCP :8080

This will display a list of all the processes that are using port 8080. The process ID (PID) of the process will be listed in the first column.

  1. Once you have found the PID of the process, you can use the kill command to kill the process.

To do this, run the following command:

kill -9 PID

Replace PID with the PID of the process that you want to kill. For example, to kill the process with PID 1234, you would run the following command:

kill -9 1234
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