How To Install libleptonica-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libleptonica-dev on Ubuntu 18.04.
What is libleptonica-dev
libleptonica-dev is:
Well-tested C library for some basic image processing operations, along with a description of the functions and some design methods. A full set of affine transformations (translation, shear, rotation, scaling) on images of all depths is included, with the exception that some of the scaling methods do not work at all depths. There are also implementations of binary morphology, grayscale morphology, convolution and rank order filters, and applications such as jbig2 image processing and color quantization. You will also find basic utilities for the safe and efficient handling of arrays (of strings, numbers, number pairs and image-related geometrical objects), byte queues, generic stacks, generic lists, and endian-independent indexing into 32-bit arrays.
There are three methods to install libleptonica-dev on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libleptonica-dev Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libleptonica-dev using apt-get by running the following command:
sudo apt-get -y install libleptonica-dev
Install libleptonica-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libleptonica-dev using apt by running the following command:
sudo apt -y install libleptonica-dev
Install libleptonica-dev 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 Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install libleptonica-dev using aptitude by running the following command:
sudo aptitude -y install libleptonica-dev
How To Uninstall libleptonica-dev on Ubuntu 18.04
To uninstall only the libleptonica-dev package we can use the following command:
sudo apt-get remove libleptonica-dev
Uninstall libleptonica-dev And Its Dependencies
To uninstall libleptonica-dev and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libleptonica-dev
Remove libleptonica-dev Configurations and Data
To remove libleptonica-dev configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libleptonica-dev
Remove libleptonica-dev configuration, data, and all of its dependencies
We can use the following command to remove libleptonica-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libleptonica-dev
References
Summary
In this tutorial we learn how to install libleptonica-dev package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
