How To Install libjbcrypt-java on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libjbcrypt-java on Ubuntu 18.04.
What is libjbcrypt-java
libjbcrypt-java is:
jBCrypt is an implementation of Blowfish block cipher with modifications designed to raise the cost of off-line password cracking and frustrate fast hardware implementation.
The intent is to make a compromise of a password database less likely to result in an attacker gaining knowledge of the plaintext passwords (e.g. using John the Ripper).
There are three methods to install libjbcrypt-java 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 libjbcrypt-java Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libjbcrypt-java using apt-get by running the following command:
sudo apt-get -y install libjbcrypt-java
Install libjbcrypt-java Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libjbcrypt-java using apt by running the following command:
sudo apt -y install libjbcrypt-java
Install libjbcrypt-java 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 libjbcrypt-java using aptitude by running the following command:
sudo aptitude -y install libjbcrypt-java
How To Uninstall libjbcrypt-java on Ubuntu 18.04
To uninstall only the libjbcrypt-java package we can use the following command:
sudo apt-get remove libjbcrypt-java
Uninstall libjbcrypt-java And Its Dependencies
To uninstall libjbcrypt-java and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libjbcrypt-java
Remove libjbcrypt-java Configurations and Data
To remove libjbcrypt-java configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libjbcrypt-java
Remove libjbcrypt-java configuration, data, and all of its dependencies
We can use the following command to remove libjbcrypt-java configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libjbcrypt-java
References
Summary
In this tutorial we learn how to install libjbcrypt-java package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
