How To Install unpaper on Debian 9
Introduction
In this tutorial we learn how to install unpaper on Debian 9.
What is unpaper
unpaper is:
unpaper is a post-processing tool for scanned sheets of paper, especially for book pages that have been scanned from previously created photocopies.
The main purpose is to make scanned book pages better readable on screen after conversion to PDF. Additionally, unpaper might be useful to enhance the quality of scanned pages before performing optical character recognition (OCR).
There are three methods to install unpaper on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install unpaper Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install unpaper using apt-get by running the following command:
sudo apt-get -y install unpaper
Install unpaper Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install unpaper using apt by running the following command:
sudo apt -y install unpaper
Install unpaper 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 unpaper using aptitude by running the following command:
sudo aptitude -y install unpaper
How To Uninstall unpaper on Debian 9
To uninstall only the unpaper package we can use the following command:
sudo apt-get remove unpaper
Uninstall unpaper And Its Dependencies
To uninstall unpaper and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove unpaper
Remove unpaper Configurations and Data
To remove unpaper configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge unpaper
Remove unpaper configuration, data, and all of its dependencies
We can use the following command to remove unpaper configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge unpaper
Dependencies
unpaper have the following dependencies:
References
Summary
In this tutorial we learn how to install unpaper package on Debian 9 using different package management tools: apt, apt-get and aptitude.