How To Install libnss-mymachines on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libnss-mymachines on Ubuntu 18.04.
What is libnss-mymachines
libnss-mymachines is:
nss-mymachines is a plugin for the GNU Name Service Switch (NSS) functionality of the GNU C Library (glibc) providing hostname resolution for local containers that are registered with systemd-machined.service(8). The container names are resolved to IP addresses of the specific container, ordered by their scope.
Installing this package automatically adds mymachines to /etc/nsswitch.conf.
There are three methods to install libnss-mymachines 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 libnss-mymachines Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libnss-mymachines using apt-get by running the following command:
sudo apt-get -y install libnss-mymachines
Install libnss-mymachines Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libnss-mymachines using apt by running the following command:
sudo apt -y install libnss-mymachines
Install libnss-mymachines 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 libnss-mymachines using aptitude by running the following command:
sudo aptitude -y install libnss-mymachines
How To Uninstall libnss-mymachines on Ubuntu 18.04
To uninstall only the libnss-mymachines package we can use the following command:
sudo apt-get remove libnss-mymachines
Uninstall libnss-mymachines And Its Dependencies
To uninstall libnss-mymachines and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libnss-mymachines
Remove libnss-mymachines Configurations and Data
To remove libnss-mymachines configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libnss-mymachines
Remove libnss-mymachines configuration, data, and all of its dependencies
We can use the following command to remove libnss-mymachines configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libnss-mymachines
References
Summary
In this tutorial we learn how to install libnss-mymachines package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
