How To Install log4j on CentOS 7

In this tutorial we learn how to install log4j on CentOS 7. log4j is Java logging package

Introduction

In this tutorial we learn how to install log4j on CentOS 7.

What is log4j

Log4j is a tool to help the programmer output log statements to a variety of output targets.

We can use yum or dnf to install log4j on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install log4j.

Install log4j on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install log4j using yum by running the following command:

sudo yum -y install log4j

Install log4j on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install log4j using dnf by running the following command:

sudo dnf -y install log4j

How To Uninstall log4j on CentOS 7

To uninstall only the log4j package we can use the following command:

sudo dnf remove log4j

References

Summary

In this tutorial we learn how to install log4j on CentOS 7 using yum and dnf.