How To Install r-cran-askpass on Ubuntu 20.04
Introduction
In this tutorial we learn how to install r-cran-askpass
on Ubuntu 20.04.
What is r-cran-askpass
r-cran-askpass is:
Cross-platform utilities for prompting the user for credentials or a passphrase, for example to authenticate with a server or read a protected key. Includes native programs for MacOS and Windows, hence no ’tcltk’ is required. Password entry can be invoked in two different ways: directly from R via the askpass() function, or indirectly as password-entry back-end for ‘ssh-agent’ or ‘git-credential’ via the SSH_ASKPASS and GIT_ASKPASS environment variables. Thereby the user can be prompted for credentials or a passphrase if needed when R calls out to git or ssh.
There are three methods to install r-cran-askpass
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 r-cran-askpass Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install r-cran-askpass
using apt-get
by running the following command:
sudo apt-get -y install r-cran-askpass
Install r-cran-askpass Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install r-cran-askpass
using apt
by running the following command:
sudo apt -y install r-cran-askpass
Install r-cran-askpass 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 r-cran-askpass
using aptitude
by running the following command:
sudo aptitude -y install r-cran-askpass
How To Uninstall r-cran-askpass on Ubuntu 20.04
To uninstall only the r-cran-askpass
package we can use the following command:
sudo apt-get remove r-cran-askpass
Uninstall r-cran-askpass And Its Dependencies
To uninstall r-cran-askpass
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove r-cran-askpass
Remove r-cran-askpass Configurations and Data
To remove r-cran-askpass
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge r-cran-askpass
Remove r-cran-askpass configuration, data, and all of its dependencies
We can use the following command to remove r-cran-askpass
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge r-cran-askpass
References
Summary
In this tutorial we learn how to install r-cran-askpass
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.