How To Install elan on Ubuntu 22.04
Introduction
In this tutorial we learn how to install elan
on Ubuntu 22.04.
What is elan
elan is:
elan is a small tool for managing your installations of the Lean theorem prover. It places lean and leanpkg binaries in your PATH that automatically select and, if necessary, download the Lean version described in the lean_version field of your project’s leanpkg.toml. You can also install, select, run, and uninstall Lean versions manually using the commands of the elan executable.
There are three methods to install elan
on Ubuntu 22.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install elan Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install elan
using apt-get
by running the following command:
sudo apt-get -y install elan
Install elan Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install elan
using apt
by running the following command:
sudo apt -y install elan
Install elan 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 elan
using aptitude
by running the following command:
sudo aptitude -y install elan
How To Uninstall elan on Ubuntu 22.04
To uninstall only the elan
package we can use the following command:
sudo apt-get remove elan
Uninstall elan And Its Dependencies
To uninstall elan
and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove elan
Remove elan Configurations and Data
To remove elan
configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge elan
Remove elan configuration, data, and all of its dependencies
We can use the following command to remove elan
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge elan
References
Summary
In this tutorial we learn how to install elan
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.