How To Install htpdate on Kali Linux
Introduction
In this tutorial we learn how to install htpdate on Kali Linux.
What is htpdate
htpdate is:
The HTTP Time Protocol (HTP) is used to synchronize a computer’s time with web servers as reference time source. This program can be used instead ntpdate or similar, in networks that has a firewall blocking the NTP port.
Htpdate will synchronize the computer time to Greenwich Mean Time (GMT), using the timestamps from HTTP headers found in web servers response (the HEAD method will be used to get the information).
Htpdate works through proxy servers. Accuracy of htpdate will be usually within 0.5 seconds (better with multiple servers).
There are three methods to install htpdate on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install htpdate Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get updateAfter updating apt database, We can install htpdate using apt-get by running the following command:
sudo apt-get -y install htpdateInstall htpdate Using apt
Update apt database with apt using the following command.
sudo apt updateAfter updating apt database, We can install htpdate using apt by running the following command:
sudo apt -y install htpdateInstall htpdate Using aptitude
If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. Update apt database with aptitude using the following command.
sudo aptitude updateAfter updating apt database, We can install htpdate using aptitude by running the following command:
sudo aptitude -y install htpdateHow To Uninstall htpdate on Kali Linux
To uninstall only the htpdate package we can use the following command:
sudo apt-get remove htpdateUninstall htpdate And Its Dependencies
To uninstall htpdate and its dependencies that are no longer needed by Kali Linux, we can use the command below:
sudo apt-get -y autoremove htpdateRemove htpdate Configurations and Data
To remove htpdate configuration and data from Kali Linux we can use the following command:
sudo apt-get -y purge htpdateRemove htpdate configuration, data, and all of its dependencies
We can use the following command to remove htpdate configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge htpdateDependencies
htpdate have the following dependencies:
References
Summary
In this tutorial we learn how to install htpdate package on Kali Linux using different package management tools: apt, apt-get and aptitude.