upx-ucl command not found

Introduction

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

upx-ucl: command not found

or when using sudo you get the following error message

sudo: upx-ucl: command not found

Solutions to upx-ucl: command not found

How To Fix upx-ucl: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu upx-ucl is provided by upx-ucl package.

upx-ucl is:

UPX is an advanced executable file compressor. UPX will typically reduce the file size of programs and DLLs by around 50%-70%, thus reducing disk space, network load times, download times etc. The current version can compress executables for DOS, Linux/ELF (i386, amd64, ppc32) and some other files for different OS.

NOTE: This package is based on the UCL library, which is licensed under GPL.

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

sudo apt-get -y install upx-ucl

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

You can also use apt command to install upx-ucl.

sudo apt -y install upx-ucl

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

sudo aptitude install upx-ucl

Summary

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