How To Install libonig4 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libonig4 on Ubuntu 18.04.
What is libonig4
libonig4 is:
Oniguruma is a library for working with regular expressions.
Different character encoding for every regular expression object can be specified.
There are three methods to install libonig4 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 libonig4 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libonig4 using apt-get by running the following command:
sudo apt-get -y install libonig4
Install libonig4 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libonig4 using apt by running the following command:
sudo apt -y install libonig4
Install libonig4 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 libonig4 using aptitude by running the following command:
sudo aptitude -y install libonig4
How To Uninstall libonig4 on Ubuntu 18.04
To uninstall only the libonig4 package we can use the following command:
sudo apt-get remove libonig4
Uninstall libonig4 And Its Dependencies
To uninstall libonig4 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libonig4
Remove libonig4 Configurations and Data
To remove libonig4 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libonig4
Remove libonig4 configuration, data, and all of its dependencies
We can use the following command to remove libonig4 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libonig4
References
Summary
In this tutorial we learn how to install libonig4 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.