How To Install r-cran-openssl on Ubuntu 18.04
Introduction
In this tutorial we learn how to install r-cran-openssl on Ubuntu 18.04.
What is r-cran-openssl
r-cran-openssl is:
Bindings to OpenSSL libssl and libcrypto, plus custom SSH pubkey parsers. Supports RSA, DSA and NIST curves P-256, P-384 and P-521. Cryptographic signatures can either be created and verified manually or via x509 certificates. AES block cipher is used in CBC mode for symmetric encryption; RSA for asymmetric (public key) encryption. High- level envelope functions combine RSA and AES for encrypting arbitrary sized data. Other utilities include key generators, hash functions (md5, sha1, sha256, etc), base64 encoder, a secure random number generator, and ‘bignum’ math methods for manually performing crypto calculations on large multibyte integers.
There are three methods to install r-cran-openssl 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 r-cran-openssl 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-openssl using apt-get by running the following command:
sudo apt-get -y install r-cran-openssl
Install r-cran-openssl Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install r-cran-openssl using apt by running the following command:
sudo apt -y install r-cran-openssl
Install r-cran-openssl 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-openssl using aptitude by running the following command:
sudo aptitude -y install r-cran-openssl
How To Uninstall r-cran-openssl on Ubuntu 18.04
To uninstall only the r-cran-openssl package we can use the following command:
sudo apt-get remove r-cran-openssl
Uninstall r-cran-openssl And Its Dependencies
To uninstall r-cran-openssl and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove r-cran-openssl
Remove r-cran-openssl Configurations and Data
To remove r-cran-openssl configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge r-cran-openssl
Remove r-cran-openssl configuration, data, and all of its dependencies
We can use the following command to remove r-cran-openssl configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge r-cran-openssl
References
Summary
In this tutorial we learn how to install r-cran-openssl package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
