How To Install faketime on Debian 11

In this tutorial we learn how to install faketime on Debian 11. faketime is Report faked system time to programs (command-line tool)

Introduction

In this tutorial we learn how to install faketime on Debian 11.

What is faketime

faketime is:

The Fake Time Preload Library (FTPL, a.k.a. libfaketime) intercepts various system calls which programs use to retrieve the current date and time. It can then report faked dates and times (as specified by you, the user) to these programs. This means you can modify the system time a program sees without having to change the time system-wide. FTPL allows you to specify both absolute dates (e.g., 2004-01-01) and relative dates (e.g., 10 days ago).

This package contains a “faketime” binary that makes it easy to use the LD_PRELOAD library.

There are three methods to install faketime on Debian 11. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install faketime Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install faketime using apt-get by running the following command:

sudo apt-get -y install faketime

Install faketime Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install faketime using apt by running the following command:

sudo apt -y install faketime

Install faketime 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install faketime using aptitude by running the following command:

sudo aptitude -y install faketime

How To Uninstall faketime on Debian 11

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

sudo apt-get remove faketime

Uninstall faketime And Its Dependencies

To uninstall faketime and its dependencies that are no longer needed by Debian 11, we can use the command below:

sudo apt-get -y autoremove faketime

Remove faketime Configurations and Data

To remove faketime configuration and data from Debian 11 we can use the following command:

sudo apt-get -y purge faketime

Remove faketime configuration, data, and all of its dependencies

We can use the following command to remove faketime configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge faketime

Dependencies

faketime have the following dependencies:

References

Summary

In this tutorial we learn how to install faketime package on Debian 11 using different package management tools: apt, apt-get and aptitude.