How To Install libdlib18 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libdlib18 on Ubuntu 18.04.
What is libdlib18
libdlib18 is:
Dlib is a general purpose cross-platform open source software library written in the C++ programming language. It now contains software components for dealing with networking, threads, graphical interfaces, complex data structures, linear algebra, statistical machine learning, image processing, data mining, XML and text parsing, numerical optimization, Bayesian networks, and numerous other tasks.
There are three methods to install libdlib18 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 libdlib18 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libdlib18 using apt-get by running the following command:
sudo apt-get -y install libdlib18
Install libdlib18 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libdlib18 using apt by running the following command:
sudo apt -y install libdlib18
Install libdlib18 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 libdlib18 using aptitude by running the following command:
sudo aptitude -y install libdlib18
How To Uninstall libdlib18 on Ubuntu 18.04
To uninstall only the libdlib18 package we can use the following command:
sudo apt-get remove libdlib18
Uninstall libdlib18 And Its Dependencies
To uninstall libdlib18 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libdlib18
Remove libdlib18 Configurations and Data
To remove libdlib18 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libdlib18
Remove libdlib18 configuration, data, and all of its dependencies
We can use the following command to remove libdlib18 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libdlib18
References
Summary
In this tutorial we learn how to install libdlib18 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.