fuser command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

fuser: command not found

or when using sudo you get the following error message

sudo: fuser: command not found

Solutions to fuser: command not found

How To Fix fuser: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu fuser is provided by psmisc package.

psmisc is:

This package contains miscellaneous utilities that use the proc FS:

• fuser: identifies processes that are using files or sockets.
• killall: kills processes by name (e.g. “killall -HUP named”).
• peekfd: shows the data traveling over a file descriptor.
• pstree: shows currently running processes as a tree.
• prtstat: print the contents of /proc//stat

To fix this problem, we can install more using the command below.

sudo apt-get -y install psmisc

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install psmisc.

sudo apt -y install psmisc

Or if you have aptitude installed you can use the following command.

sudo aptitude install psmisc

Summary

In this tutorial we learn how to fix fuser command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.