sleepenh command not found

In this troubleshooting guide we learn how to fix sleepenh command not found error message

Introduction

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

sleepenh: command not found

or when using sudo you get the following error message

sudo: sleepenh: command not found

Solutions to sleepenh: command not found

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

In Ubuntu sleepenh is provided by sleepenh package.

sleepenh is:

sleepenh is a sleep program for shell scripts that need to perform a loop that repeats at a regular time interval, without cumulative errors.

It supports microsecond resolution.

You can also specify the time you need between two calls of sleepenh.

Here follows an usage example to clarify its purpose. This example sends ‘A’ to ttyS0 every 1.2 seconds. #!/bin/sh

does not wait (or wait 0), just to get initial timestamp

TIMESTAMP=$(sleepenh 0) while true; do # send the byte to ttyS0 echo -n “A” > /dev/ttyS0; # wait until the required time TIMESTAMP=$(sleepenh $TIMESTAMP 1.200); done

For more details, please read the manpage.

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

sudo apt-get -y install sleepenh

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

You can also use apt command to install sleepenh.

sudo apt -y install sleepenh

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

sudo aptitude install sleepenh

Summary

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