How To Install blt on Ubuntu 20.04

In this tutorial we learn how to install blt on Ubuntu 20.04. blt is graphics extension library for Tcl/Tk - run-time

Introduction

In this tutorial we learn how to install blt on Ubuntu 20.04.

What is `blt`

blt is:

BLT is a library of useful extensions for the Tcl language and the popular Tk graphical toolkit. It adds a vector and tree data type, background execution and some debugging tools to Tcl, and provides several new widgets for Tk, including graphs, bar-charts, trees, tabs, splines and hyper-links, as well as a new geometry manager, drag & drop support, and more.

This package is a dummy package which depends on the current BLT library. Task: ubuntustudio-video, ubuntustudio-publishing, ubuntustudio-photography

There are three methods to install blt on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install blt Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install blt using apt-get by running the following command:

sudo apt-get -y install blt

Install blt Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install blt using apt by running the following command:

sudo apt -y install blt

Install blt 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 blt using aptitude by running the following command:

sudo aptitude -y install blt

How To Uninstall blt on Ubuntu 20.04

To uninstall only the blt package we can use the following command:

sudo apt-get remove blt

Uninstall blt And Its Dependencies

To uninstall blt and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove blt

Remove blt Configurations and Data

To remove blt configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge blt

Remove blt configuration, data, and all of its dependencies

We can use the following command to remove blt configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge blt

References

Summary

In this tutorial we learn how to install blt package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.