How To Install lsh-utils on Ubuntu 18.04

In this tutorial we learn how to install lsh-utils on Ubuntu 18.04. lsh-utils is Secure Shell v2 (SSH2) protocol utilities

Introduction

In this tutorial we learn how to install lsh-utils on Ubuntu 18.04.

What is lsh-utils

lsh-utils is:

lsh is a GPLed implementation of the Secure SHell protocol version 2 (SSH2), a secure replacement for rlogin, rsh, and rcp.

This package contains the lsh utilities. This includes programs such as lsh-keygen, lsh-writekey (both programs for public/private key generation), lsh-authorize (for automatic remote key authentication), ssh-conv (utilities for converting between various public and private key formats), and a number of other utilities for use with both the lsh server and client.

In some countries it may be illegal to use any encryption at all without a special permit.

There are three methods to install lsh-utils on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install lsh-utils Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install lsh-utils using apt-get by running the following command:

sudo apt-get -y install lsh-utils

Install lsh-utils Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install lsh-utils using apt by running the following command:

sudo apt -y install lsh-utils

Install lsh-utils Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install lsh-utils using aptitude by running the following command:

sudo aptitude -y install lsh-utils

How To Uninstall lsh-utils on Ubuntu 18.04

To uninstall only the lsh-utils package we can use the following command:

sudo apt-get remove lsh-utils

Uninstall lsh-utils And Its Dependencies

To uninstall lsh-utils and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove lsh-utils

Remove lsh-utils Configurations and Data

To remove lsh-utils configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge lsh-utils

Remove lsh-utils configuration, data, and all of its dependencies

We can use the following command to remove lsh-utils configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge lsh-utils

References

Summary

In this tutorial we learn how to install lsh-utils package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.