How To Install ntpdate on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
2 minutes • 377 words
Introduction
In this tutorial we learn how to install ntpdate on Ubuntu.
What is ntpdate
ntpdate is:
NTP, the Network Time Protocol, is used to keep computer clocks accurate by synchronizing them over the Internet or a local network, or by following an accurate hardware receiver that interprets GPS, DCF-77, NIST or similar time signals.
ntpdate is deprecated. Please use sntp instead for manual or scripted NTP queries/syncs.
There are three methods to install ntpdate on Ubuntu. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install ntpdate Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ntpdate using apt-get by running the following command:
sudo apt-get -y install ntpdate
Install ntpdate Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ntpdate using apt by running the following command:
sudo apt -y install ntpdate
Install ntpdate 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 ntpdate using aptitude by running the following command:
sudo aptitude -y install ntpdate
How To Uninstall ntpdate on Ubuntu
To uninstall only the ntpdate package we can use the following command:
sudo apt-get remove ntpdate
Uninstall ntpdate And Its Dependencies
To uninstall ntpdate and its dependencies that are no longer needed by Ubuntu, we can use the command below:
sudo apt-get -y autoremove ntpdate
Remove ntpdate Configurations and Data
To remove ntpdate configuration and data from Ubuntu we can use the following command:
sudo apt-get -y purge ntpdate
Remove ntpdate configuration, data, and all of its dependencies
We can use the following command to remove ntpdate configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ntpdate
Dependencies
ntpdate have the following dependencies:
References
Summary
In this tutorial we learn how to install ntpdate package on Ubuntu using different package management tools: apt, apt-get and aptitude.