How To Install libjnr-ffi-java-doc on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libjnr-ffi-java-doc on Ubuntu 18.04.
What is libjnr-ffi-java-doc
libjnr-ffi-java-doc is:
Java Native Runtime (JNR) is a collection of Java libraries to make interfacing with OS-level features easier. JNR uses an alternate method to JNI or JNA to achieve programming simplicity while still retaining performance.
The jnr-ffi package is a set of abstractions that build on the lower-level libraries implemented by the jffi package. jnr-ffi allows one to load native libraries without writing JNI code by hand, or using tools such as SWIG.
This package contains the API documentation of jnr-ffi library.
There are three methods to install libjnr-ffi-java-doc 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 libjnr-ffi-java-doc Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libjnr-ffi-java-doc using apt-get by running the following command:
sudo apt-get -y install libjnr-ffi-java-doc
Install libjnr-ffi-java-doc Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libjnr-ffi-java-doc using apt by running the following command:
sudo apt -y install libjnr-ffi-java-doc
Install libjnr-ffi-java-doc 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 libjnr-ffi-java-doc using aptitude by running the following command:
sudo aptitude -y install libjnr-ffi-java-doc
How To Uninstall libjnr-ffi-java-doc on Ubuntu 18.04
To uninstall only the libjnr-ffi-java-doc package we can use the following command:
sudo apt-get remove libjnr-ffi-java-doc
Uninstall libjnr-ffi-java-doc And Its Dependencies
To uninstall libjnr-ffi-java-doc and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libjnr-ffi-java-doc
Remove libjnr-ffi-java-doc Configurations and Data
To remove libjnr-ffi-java-doc configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libjnr-ffi-java-doc
Remove libjnr-ffi-java-doc configuration, data, and all of its dependencies
We can use the following command to remove libjnr-ffi-java-doc configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libjnr-ffi-java-doc
References
Summary
In this tutorial we learn how to install libjnr-ffi-java-doc package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
