How To Install sshguard on Ubuntu 20.04
Introduction
In this tutorial we learn how to install sshguard on Ubuntu 20.04.
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.
Package: sshguard Architecture: amd64 Version: 2.3.1-1ubuntu1 Priority: optional Section: universe/net Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Julián Moreno Patiño [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 1644 Depends: iptables, lsb-base (>= 3.0-6), libc6 (>= 2.14) Filename: pool/universe/s/sshguard/sshguard_2.3.1-1ubuntu1_amd64.deb Size: 272564 MD5sum: 6fb876ca786ffde31426448fda7a2dcc SHA1: a83ef59ae7fcd046d8965d2ff43653a599ec49e3 SHA256: 73bbac29d452c717ca8b810e71277a08807465b76de16cd34834d22479079750 Homepage: http://sshguard.sourceforge.net Description-en: Protects from brute force attacks against ssh 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 20.04. 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 20.04
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 20.04, 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 20.04 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 20.04 using different package management tools: apt, apt-get and aptitude.
