How To Install elpa-deferred on Ubuntu 18.04
Introduction
In this tutorial we learn how to install elpa-deferred on Ubuntu 18.04.
What is elpa-deferred
elpa-deferred is:
It is a simple library for asynchronous tasks.
The API is almost the same as JSDeferred (by cho45) and Mochikit.Async (by Bob Ippolito) in JavaScript.
There are three methods to install elpa-deferred 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-deferred 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-deferred using apt-get by running the following command:
sudo apt-get -y install elpa-deferred
Install elpa-deferred Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install elpa-deferred using apt by running the following command:
sudo apt -y install elpa-deferred
Install elpa-deferred 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-deferred using aptitude by running the following command:
sudo aptitude -y install elpa-deferred
How To Uninstall elpa-deferred on Ubuntu 18.04
To uninstall only the elpa-deferred package we can use the following command:
sudo apt-get remove elpa-deferred
Uninstall elpa-deferred And Its Dependencies
To uninstall elpa-deferred and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove elpa-deferred
Remove elpa-deferred Configurations and Data
To remove elpa-deferred configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge elpa-deferred
Remove elpa-deferred configuration, data, and all of its dependencies
We can use the following command to remove elpa-deferred configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge elpa-deferred
References
Summary
In this tutorial we learn how to install elpa-deferred package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
