update-icon-caches command not found

Introduction

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

update-icon-caches: command not found

or when using sudo you get the following error message

sudo: update-icon-caches: command not found

Solutions to update-icon-caches: command not found

How To Fix update-icon-caches: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu update-icon-caches is provided by gtk-update-icon-cache package.

gtk-update-icon-cache is:

gtk-update-icon-cache creates mmap()able cache files for icon themes.

GTK can use the cache files created by gtk-update-icon-cache to avoid a lot of system call and disk seek overhead when the application starts. Since the format of the cache files allows them to be mmap()ed shared between multiple applications, the overall memory consumption is reduced as well.

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

sudo apt-get -y install gtk-update-icon-cache

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

You can also use apt command to install gtk-update-icon-cache.

sudo apt -y install gtk-update-icon-cache

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

sudo aptitude install gtk-update-icon-cache

Summary

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