How To Install dnsutils on Ubuntu 18.04
Introduction
In this tutorial we learn how to install dnsutils on Ubuntu 18.04.
What is dnsutils
dnsutils is:
The Berkeley Internet Name Domain (BIND) implements an Internet domain name server. BIND is the most widely-used name server software on the Internet, and is supported by the Internet Software Consortium, www.isc.org.
This package delivers various client programs related to DNS that are derived from the BIND source tree.
- dig - query the DNS in various ways
- nslookup - the older way to do it
- nsupdate - perform dynamic updates (See RFC2136)
There are three methods to install dnsutils 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 dnsutils Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install dnsutils using apt-get by running the following command:
sudo apt-get -y install dnsutils
Install dnsutils Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install dnsutils using apt by running the following command:
sudo apt -y install dnsutils
Install dnsutils 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 dnsutils using aptitude by running the following command:
sudo aptitude -y install dnsutils
How To Uninstall dnsutils on Ubuntu 18.04
To uninstall only the dnsutils package we can use the following command:
sudo apt-get remove dnsutils
Uninstall dnsutils And Its Dependencies
To uninstall dnsutils and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove dnsutils
Remove dnsutils Configurations and Data
To remove dnsutils configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge dnsutils
Remove dnsutils configuration, data, and all of its dependencies
We can use the following command to remove dnsutils configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge dnsutils
References
Summary
In this tutorial we learn how to install dnsutils package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.