How To Install libhocr-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libhocr-dev on Ubuntu 18.04.
What is libhocr-dev
libhocr-dev is:
Libhocr is an Hebrew OCR (Optical character recognition) library written in C/C++.
This package contains headers and support files required to build new applications with libhocr.
There are three methods to install libhocr-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 libhocr-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 libhocr-dev using apt-get by running the following command:
sudo apt-get -y install libhocr-dev
Install libhocr-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libhocr-dev using apt by running the following command:
sudo apt -y install libhocr-dev
Install libhocr-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 libhocr-dev using aptitude by running the following command:
sudo aptitude -y install libhocr-dev
How To Uninstall libhocr-dev on Ubuntu 18.04
To uninstall only the libhocr-dev package we can use the following command:
sudo apt-get remove libhocr-dev
Uninstall libhocr-dev And Its Dependencies
To uninstall libhocr-dev and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libhocr-dev
Remove libhocr-dev Configurations and Data
To remove libhocr-dev configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libhocr-dev
Remove libhocr-dev configuration, data, and all of its dependencies
We can use the following command to remove libhocr-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libhocr-dev
References
Summary
In this tutorial we learn how to install libhocr-dev package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
