How To Install sshguard on Ubuntu 18.04

In this tutorial we learn how to install sshguard on Ubuntu 18.04. sshguard is Protects from brute force attacks against ssh

Introduction

In this tutorial we learn how to install sshguard on Ubuntu 18.04.

What is sshguard

sshguard is:

Protects networked hosts from the today’s widespread brute force attacks against ssh servers. It detects such attacks and blocks the author’s address with a firewall rule.

There are three methods to install sshguard 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 sshguard Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install sshguard

Install sshguard Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install sshguard using apt by running the following command:

sudo apt -y install sshguard

Install sshguard 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 sshguard using aptitude by running the following command:

sudo aptitude -y install sshguard

How To Uninstall sshguard on Ubuntu 18.04

To uninstall only the sshguard package we can use the following command:

sudo apt-get remove sshguard

Uninstall sshguard And Its Dependencies

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

sudo apt-get -y autoremove sshguard

Remove sshguard Configurations and Data

To remove sshguard configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge sshguard

Remove sshguard configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge sshguard

References

Summary

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