How To Install hostname on Ubuntu 20.04
Introduction
In this tutorial we learn how to install hostname on Ubuntu 20.04.
What is hostname
hostname is:
This package provides commands which can be used to display the system’s DNS name, and to display or set its hostname or NIS domain name. Task: minimal
There are three methods to install hostname 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 hostname Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install hostname using apt-get by running the following command:
sudo apt-get -y install hostname
Install hostname Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install hostname using apt by running the following command:
sudo apt -y install hostname
Install hostname 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 hostname using aptitude by running the following command:
sudo aptitude -y install hostname
How To Uninstall hostname on Ubuntu 20.04
To uninstall only the hostname package we can use the following command:
sudo apt-get remove hostname
Uninstall hostname And Its Dependencies
To uninstall hostname and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove hostname
Remove hostname Configurations and Data
To remove hostname configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge hostname
Remove hostname configuration, data, and all of its dependencies
We can use the following command to remove hostname configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge hostname
References
Summary
In this tutorial we learn how to install hostname package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.