How To Install libgcrypt20-doc on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libgcrypt20-doc on Ubuntu 18.04.
What is libgcrypt20-doc
libgcrypt20-doc is:
libgcrypt contains cryptographic functions. Many important free ciphers, hash algorithms and public key signing algorithms have been implemented:
Arcfour, Blowfish, CAST5, DES, AES, Twofish, Serpent, rfc2268 (rc2), SEED, Poly1305, Camellia, ChaCha20, IDEA, Salsa, Blake-2, CRC, MD2, MD4, MD5, RIPE-MD160, SHA-1, SHA-256, SHA-512, SHA3-224, SHA3-256, SHA3-384, SHA3-512, SHAKE128, SHAKE256, Tiger, Whirlpool, DSA, DSA2, ElGamal, RSA, ECC (Curve25519, sec256k1, GOST R 34.10-2001 and GOST R 34.10-2012, etc.)
This package contains developer documentation.
There are three methods to install libgcrypt20-doc 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 libgcrypt20-doc Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libgcrypt20-doc using apt-get by running the following command:
sudo apt-get -y install libgcrypt20-doc
Install libgcrypt20-doc Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libgcrypt20-doc using apt by running the following command:
sudo apt -y install libgcrypt20-doc
Install libgcrypt20-doc 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 libgcrypt20-doc using aptitude by running the following command:
sudo aptitude -y install libgcrypt20-doc
How To Uninstall libgcrypt20-doc on Ubuntu 18.04
To uninstall only the libgcrypt20-doc package we can use the following command:
sudo apt-get remove libgcrypt20-doc
Uninstall libgcrypt20-doc And Its Dependencies
To uninstall libgcrypt20-doc and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libgcrypt20-doc
Remove libgcrypt20-doc Configurations and Data
To remove libgcrypt20-doc configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libgcrypt20-doc
Remove libgcrypt20-doc configuration, data, and all of its dependencies
We can use the following command to remove libgcrypt20-doc configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libgcrypt20-doc
References
Summary
In this tutorial we learn how to install libgcrypt20-doc package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
