How To Install libnss-db on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libnss-db on Ubuntu 18.04.
What is libnss-db
libnss-db is:
nss_db is a set of C library extensions which allow Berkeley Databases to be used as a primary source of aliases, ethers, groups, hosts, networks, protocol, users, RPCs, services, and shadow passwords (instead of or in addition to using flat files or NIS). Install nss_db if your flat name service files are too large and lookups are slow.
There are three methods to install libnss-db 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-db 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-db using apt-get by running the following command:
sudo apt-get -y install libnss-db
Install libnss-db Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libnss-db using apt by running the following command:
sudo apt -y install libnss-db
Install libnss-db 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-db using aptitude by running the following command:
sudo aptitude -y install libnss-db
How To Uninstall libnss-db on Ubuntu 18.04
To uninstall only the libnss-db package we can use the following command:
sudo apt-get remove libnss-db
Uninstall libnss-db And Its Dependencies
To uninstall libnss-db and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libnss-db
Remove libnss-db Configurations and Data
To remove libnss-db configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libnss-db
Remove libnss-db configuration, data, and all of its dependencies
We can use the following command to remove libnss-db configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libnss-db
References
Summary
In this tutorial we learn how to install libnss-db package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
