e-mem command not found

In this troubleshooting guide we learn how to fix e-mem command not found error message

Introduction

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

e-mem: command not found

or when using sudo you get the following error message

sudo: e-mem: command not found

Solutions to e-mem: command not found

How To Fix e-mem: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu e-mem is provided by e-mem package.

e-mem is:

E-MEM enables efficient computation of Maximal Exact Matches (MEMs) that does not use full text indexes. The algorithm uses much less space and is highly amenable to parallelization. It can compute all MEMs of minimum length 100 between the whole human and mouse genomes on a 12 core machine in 10 min and 2 GB of memory; the required memory can be as low as 600 MB. It can run efficiently genomes of any size. Extensive testing and comparison with currently best algorithms is provided.

Mummer has many different scripts where one of the key program is MEM computation. In all the scripts, the MEM computation program can be replaced with e-mem with ease for better performance.

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

sudo apt-get -y install e-mem

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

You can also use apt command to install e-mem.

sudo apt -y install e-mem

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

sudo aptitude install e-mem

Summary

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