How To Install elpa-which-key on Ubuntu 18.04

In this tutorial we learn how to install elpa-which-key on Ubuntu 18.04. elpa-which-key is display available keybindings in popup

Introduction

In this tutorial we learn how to install elpa-which-key on Ubuntu 18.04.

What is elpa-which-key

elpa-which-key is:

`which-key’ is a minor mode for Emacs that displays the key bindings following your currently entered incomplete command (a prefix) in a popup. For example, after enabling the minor mode if you enter C-x and wait for the default of 1 second the minibuffer will expand with all of the available key bindings that follow C-x (or as many as space allows given your settings). This includes prefixes like C-x 8 which are shown in a different face.

There are three methods to install elpa-which-key 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 elpa-which-key Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install elpa-which-key

Install elpa-which-key Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install elpa-which-key using apt by running the following command:

sudo apt -y install elpa-which-key

Install elpa-which-key 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 elpa-which-key using aptitude by running the following command:

sudo aptitude -y install elpa-which-key

How To Uninstall elpa-which-key on Ubuntu 18.04

To uninstall only the elpa-which-key package we can use the following command:

sudo apt-get remove elpa-which-key

Uninstall elpa-which-key And Its Dependencies

To uninstall elpa-which-key and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove elpa-which-key

Remove elpa-which-key Configurations and Data

To remove elpa-which-key configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge elpa-which-key

Remove elpa-which-key configuration, data, and all of its dependencies

We can use the following command to remove elpa-which-key configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge elpa-which-key

References

Summary

In this tutorial we learn how to install elpa-which-key package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.