How To Install libunbound-dev on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libunbound-dev on Ubuntu 20.04.
What is libunbound-dev
libunbound-dev is:
Static library, header files, and documentation for libunbound.
libunbound performs and validates DNS lookups; it can be used to convert hostnames to IP addresses and back and obtain other information from the DNS. Cryptographic validation of results is performed with DNSSEC.
Package: libunbound-dev Architecture: amd64 Version: 1.9.4-2ubuntu1 Multi-Arch: same Priority: optional Section: net Source: unbound Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: unbound packagers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 1887 Depends: libunbound8 (= 1.9.4-2ubuntu1) Filename: pool/main/u/unbound/libunbound-dev_1.9.4-2ubuntu1_amd64.deb Size: 421328 MD5sum: 96a5f7b3889f5a26d8d24662a7a0a1a0 SHA1: 57bb1908d837a02d7334419b18711e13742caf16 SHA256: 925df52082d51f9c3b26214d9cdf2b09928033a3a843421f607b83cb7cf92a57 Homepage: https://www.unbound.net/ Description-en: static library, header files, and docs for libunbound Static library, header files, and documentation for libunbound.
libunbound performs and validates DNS lookups; it can be used to convert hostnames to IP addresses and back and obtain other information from the DNS. Cryptographic validation of results is performed with DNSSEC.
There are three methods to install libunbound-dev 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 libunbound-dev Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libunbound-dev using apt-get by running the following command:
sudo apt-get -y install libunbound-dev
Install libunbound-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libunbound-dev using apt by running the following command:
sudo apt -y install libunbound-dev
Install libunbound-dev 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 libunbound-dev using aptitude by running the following command:
sudo aptitude -y install libunbound-dev
How To Uninstall libunbound-dev on Ubuntu 20.04
To uninstall only the libunbound-dev package we can use the following command:
sudo apt-get remove libunbound-dev
Uninstall libunbound-dev And Its Dependencies
To uninstall libunbound-dev and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libunbound-dev
Remove libunbound-dev Configurations and Data
To remove libunbound-dev configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libunbound-dev
Remove libunbound-dev configuration, data, and all of its dependencies
We can use the following command to remove libunbound-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libunbound-dev
References
Summary
In this tutorial we learn how to install libunbound-dev package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
