fkill – Interactively Kill Processes in Linux

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Fkill-cli is a free open source, simple and cross-platform command line tool designed to interactively kill processes in Linux, developed using Nodejs. It also runs on Windows and MacOS X operating systems. It requires a process ID (PID) or process name to kill it.

In this article, we will explain how to install and use fkill to interactively kill processes in Linux system

How to Install fkill-cli in Linux Systems

To install fkill-cli tool, first you need to install required packages Nodejs and NPM on your Linux distributions using following commands.

Install Nojejs and NPM in Debian/Ubuntu

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--------------- Install Noje.js 8 ---------------
$ curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
$ sudo apt install -y nodejs
--------------- or Install Noje.js 10 ---------------
$ curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
$ sudo apt install -y nodejs
Install Nojejs and NPM in CentOS/RHEL & Fedora

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--------------- Install Noje.js 8 ---------------
$ curl --silent --location https://rpm.nodesource.com/setup_8.x | sudo bash -
$ sudo yum -y install nodejs
--------------- or Install Noje.js 10 ---------------
$ curl --silent --location https://rpm.nodesource.com/setup_10.x | sudo bash -
$ sudo yum -y install nodejs
Once Nodejs and NPM packages are installed, now you can install fkill-cli package using npm command using the -g option, which enables installing it globally.

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$ sudo npm install -g fkill-cli
Once you have installed fkill-cli on your system, use the fkill command to launch it in interactive mode by running it without any arguments. Once you have select the process you want to kill, press Enter.

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$ fkill 


You can also provide a PID or process name from the command line, the process name is case insensitive, here are some examples.

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$ fkill 1337
$ fkill firefox
To kill a port, prefix it with a colon, for example: :19999.

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$ fkill :19999
You can use the -f flag to force an operation and -v allows for displaying process arguments.

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$ fkill --help


Thanks