How To Install urweb-mode on Ubuntu 20.04
Introduction
In this tutorial we learn how to install urweb-mode on Ubuntu 20.04.
What is urweb-mode
urweb-mode is:
Ur is a pure, functional, statically typed, strict programming language in the tradition of ML and Haskell; however, it features a significantly richer type system. Ur/Web is Ur plus a special standard library and associated rules for parsing and optimization. Ur/Web supports constructing dynamic web applications backed by SQL databases.
This package provides an Emacs mode for editing Ur/Web source files.
There are three methods to install urweb-mode 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 urweb-mode Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install urweb-mode using apt-get by running the following command:
sudo apt-get -y install urweb-mode
Install urweb-mode Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install urweb-mode using apt by running the following command:
sudo apt -y install urweb-mode
Install urweb-mode 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 urweb-mode using aptitude by running the following command:
sudo aptitude -y install urweb-mode
How To Uninstall urweb-mode on Ubuntu 20.04
To uninstall only the urweb-mode package we can use the following command:
sudo apt-get remove urweb-mode
Uninstall urweb-mode And Its Dependencies
To uninstall urweb-mode and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove urweb-mode
Remove urweb-mode Configurations and Data
To remove urweb-mode configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge urweb-mode
Remove urweb-mode configuration, data, and all of its dependencies
We can use the following command to remove urweb-mode configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge urweb-mode
References
Summary
In this tutorial we learn how to install urweb-mode package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
