How To Install liblbfgs-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install liblbfgs-dev on Ubuntu 18.04.
What is liblbfgs-dev
liblbfgs-dev is:
Solves nonlinear optimization problems using the limited-memory BFGS method. The user specifies a callback C function that returns the value and gradients of the cost function at a particular operating point. This library estimates the Hessians from user input, and applies Newton’s method iteratively to find a local minimum of the cost function. This is a small library, written in C with minimal dependencies.
This package contains development files
There are three methods to install liblbfgs-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 liblbfgs-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 liblbfgs-dev using apt-get by running the following command:
sudo apt-get -y install liblbfgs-dev
Install liblbfgs-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install liblbfgs-dev using apt by running the following command:
sudo apt -y install liblbfgs-dev
Install liblbfgs-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 liblbfgs-dev using aptitude by running the following command:
sudo aptitude -y install liblbfgs-dev
How To Uninstall liblbfgs-dev on Ubuntu 18.04
To uninstall only the liblbfgs-dev package we can use the following command:
sudo apt-get remove liblbfgs-dev
Uninstall liblbfgs-dev And Its Dependencies
To uninstall liblbfgs-dev and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove liblbfgs-dev
Remove liblbfgs-dev Configurations and Data
To remove liblbfgs-dev configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge liblbfgs-dev
Remove liblbfgs-dev configuration, data, and all of its dependencies
We can use the following command to remove liblbfgs-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge liblbfgs-dev
References
Summary
In this tutorial we learn how to install liblbfgs-dev package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
