How To Install psychtoolbox-3-lib on Ubuntu 18.04
Introduction
In this tutorial we learn how to install psychtoolbox-3-lib on Ubuntu 18.04.
What is psychtoolbox-3-lib
psychtoolbox-3-lib is:
Psychophysics Toolbox Version 3 (PTB-3) is a free set of Matlab and GNU/Octave functions for vision research. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer.
The Psychophysics Toolbox interfaces between Matlab or Octave and the computer hardware. The Psychtoolbox’s core routines provide access to the display frame buffer and color lookup table, allow synchronization with the vertical retrace, support millisecond timing, allow access to OpenGL commands, and facilitate the collection of observer responses. Ancillary routines support common needs like color space transformations and the QUEST threshold seeking algorithm.
This package contains additional binaries (tools/dynamic libraries) used by both Octave and Matlab frontends.
There are three methods to install psychtoolbox-3-lib 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 psychtoolbox-3-lib Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install psychtoolbox-3-lib using apt-get by running the following command:
sudo apt-get -y install psychtoolbox-3-lib
Install psychtoolbox-3-lib Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install psychtoolbox-3-lib using apt by running the following command:
sudo apt -y install psychtoolbox-3-lib
Install psychtoolbox-3-lib 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 psychtoolbox-3-lib using aptitude by running the following command:
sudo aptitude -y install psychtoolbox-3-lib
How To Uninstall psychtoolbox-3-lib on Ubuntu 18.04
To uninstall only the psychtoolbox-3-lib package we can use the following command:
sudo apt-get remove psychtoolbox-3-lib
Uninstall psychtoolbox-3-lib And Its Dependencies
To uninstall psychtoolbox-3-lib and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove psychtoolbox-3-lib
Remove psychtoolbox-3-lib Configurations and Data
To remove psychtoolbox-3-lib configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge psychtoolbox-3-lib
Remove psychtoolbox-3-lib configuration, data, and all of its dependencies
We can use the following command to remove psychtoolbox-3-lib configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge psychtoolbox-3-lib
References
Summary
In this tutorial we learn how to install psychtoolbox-3-lib package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
