How To Install jna on CentOS 8

jna is Pure Java access to native libraries

Introduction

In this tutorial we learn how to install jna on CentOS 8.

What is jna

JNA provides Java programs easy access to native shared libraries (DLLs on Windows) without writing anything but Java code. JNA’s design aims to provide native access in a natural way with a minimum of effort. No boilerplate or generated code is required. While some attention is paid to performance, correctness and ease of use take priority.

We can use yum or dnf to install jna on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install jna.

Install jna on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install jna using dnf by running the following command:

sudo dnf -y install jna

Install jna on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install jna using yum by running the following command:

sudo yum -y install jna

How To Uninstall jna on CentOS 8

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

sudo dnf remove jna

jna Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/03
/usr/lib/.build-id/03/a4b237632261f1a726e1d7ecf6ee1de55a602c
/usr/lib/java/jna
/usr/lib/java/jna.jar
/usr/lib/java/jna/jna.jar
/usr/lib64/jna
/usr/lib64/jna/libjnidispatch.so
/usr/share/doc/jna
/usr/share/doc/jna/CHANGES.md
/usr/share/doc/jna/OTHERS
/usr/share/doc/jna/README.md
/usr/share/doc/jna/TODO
/usr/share/java/jna.jar
/usr/share/java/jna.pom
/usr/share/licenses/jna
/usr/share/licenses/jna/AL2.0
/usr/share/licenses/jna/LGPL2.1
/usr/share/licenses/jna/LICENSE
/usr/share/maven-metadata/jna.xml
/usr/share/maven-poms/jna
/usr/share/maven-poms/jna.pom
/usr/share/maven-poms/jna/jna.pom

References

Summary

In this tutorial we learn how to install jna on CentOS 8 using yum and dnf.