How To Install liblog4j1.2-java on Kali Linux

Introduction

In this tutorial we learn how to install liblog4j1.2-java on Kali Linux.

What is liblog4j1.2-java

liblog4j1.2-java is:

log4j is a tool to help the programmer output log statements to a variety of output targets.

It is possible to enable logging at runtime without modifying the application binary. The log4j package is designed so that log statements can remain in shipped code without incurring a high performance cost.

One of the distinctive features of log4j is the notion of hierarchical loggers. Using loggers it is possible to selectively control which log statements are output at arbitrary granularity.

Log4j can output to: a file, a rolling file, a database with a JDBC driver, many output asynchronously, a JMS Topic, a swing based logging console, the NT event log, /dev/null, a SMTP server (using javamail), a socket server, syslog, telnet daemon and stdout.

The format of the output can be defined using one of the various layout (or user defined layout) like: simple text, html, date, pattern defined and XML.

There are three methods to install liblog4j1.2-java on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install liblog4j1.2-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 liblog4j1.2-java using apt-get by running the following command:

sudo apt-get -y install liblog4j1.2-java

Install liblog4j1.2-java Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install liblog4j1.2-java using apt by running the following command:

sudo apt -y install liblog4j1.2-java

Install liblog4j1.2-java Using aptitude

If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install liblog4j1.2-java using aptitude by running the following command:

sudo aptitude -y install liblog4j1.2-java

How To Uninstall liblog4j1.2-java on Kali Linux

To uninstall only the liblog4j1.2-java package we can use the following command:

sudo apt-get remove liblog4j1.2-java

Uninstall liblog4j1.2-java And Its Dependencies

To uninstall liblog4j1.2-java and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove liblog4j1.2-java

Remove liblog4j1.2-java Configurations and Data

To remove liblog4j1.2-java configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge liblog4j1.2-java

Remove liblog4j1.2-java configuration, data, and all of its dependencies

We can use the following command to remove liblog4j1.2-java configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge liblog4j1.2-java

Dependencies

liblog4j1.2-java have the following dependencies:

References

• liblog4j1.2-java website

Summary

In this tutorial we learn how to install liblog4j1.2-java package on Kali Linux using different package management tools: apt, apt-get and aptitude.