How To Install libjnr-netdb-java on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libjnr-netdb-java on Ubuntu 18.04.
What is libjnr-netdb-java
libjnr-netdb-java is:
jnr-netdb is a java interface to getservbyname(3), getservbyport(3).
It tries to use the native functions if possible, falling back to parsing /etc/services directly, and finally to an inbuilt table for use in environments where neither native code, nor filesystem access is possible.
There are three methods to install libjnr-netdb-java 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 libjnr-netdb-java Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libjnr-netdb-java using apt-get by running the following command:
sudo apt-get -y install libjnr-netdb-java
Install libjnr-netdb-java Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libjnr-netdb-java using apt by running the following command:
sudo apt -y install libjnr-netdb-java
Install libjnr-netdb-java 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 libjnr-netdb-java using aptitude by running the following command:
sudo aptitude -y install libjnr-netdb-java
How To Uninstall libjnr-netdb-java on Ubuntu 18.04
To uninstall only the libjnr-netdb-java package we can use the following command:
sudo apt-get remove libjnr-netdb-java
Uninstall libjnr-netdb-java And Its Dependencies
To uninstall libjnr-netdb-java and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libjnr-netdb-java
Remove libjnr-netdb-java Configurations and Data
To remove libjnr-netdb-java configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libjnr-netdb-java
Remove libjnr-netdb-java configuration, data, and all of its dependencies
We can use the following command to remove libjnr-netdb-java configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libjnr-netdb-java
References
Summary
In this tutorial we learn how to install libjnr-netdb-java package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
