How To Install ee4j-parent on CentOS 8

ee4j-parent is Parent POM file for Eclipse Enterprise for Java projects

Introduction

In this tutorial we learn how to install ee4j-parent on CentOS 8.

What is `ee4j-parent`

Eclipse Enterprise for Java (EE4J) is an open source initiative to create standard APIs, implementations of those APIs, and technology compatibility kits for Java run-times that enable development, deployment, and management of server-side and cloud-native applications.

We can use yum or dnf to install ee4j-parent on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ee4j-parent.

Install ee4j-parent 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 ee4j-parent using dnf by running the following command:

sudo dnf -y install ee4j-parent

Install ee4j-parent 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 ee4j-parent using yum by running the following command:

sudo yum -y install ee4j-parent

How To Uninstall ee4j-parent on CentOS 8

To uninstall only the ee4j-parent package we can use the following command:

sudo dnf remove ee4j-parent

ee4j-parent Package Contents on CentOS 8

/usr/share/doc/ee4j-parent
/usr/share/doc/ee4j-parent/README.md
/usr/share/maven-metadata/ee4j-parent.xml
/usr/share/maven-poms/ee4j-parent
/usr/share/maven-poms/ee4j-parent/project.pom

References

ee4j-parent website

Summary

In this tutorial we learn how to install ee4j-parent on CentOS 8 using yum and dnf.