How To Install rdate on Ubuntu 20.04
Introduction
In this tutorial we learn how to install rdate
on Ubuntu 20.04.
What is rdate
rdate is:
OpenRdate or openrdate or rdate displays and sets the local date and time from the host name or address given as the argument. The time source may be an RFC 868 TCP protocol server, which is usually implemented as a built-in service of inetd(8), or an RFC 5905 protocol SNTP/NTP server. By default, rdate uses the RFC 868 TCP protocol.
OpenRdate supports IPv4 and IPv6 protocols. Task: ubuntu-live, kubuntu-live, xubuntu-live, ubuntustudio-dvd-live, ubuntukylin-live, ubuntu-mate-live, ubuntu-budgie-live
There are three methods to install rdate
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install rdate Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install rdate
using apt-get
by running the following command:
sudo apt-get -y install rdate
Install rdate Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install rdate
using apt
by running the following command:
sudo apt -y install rdate
Install rdate 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 rdate
using aptitude
by running the following command:
sudo aptitude -y install rdate
How To Uninstall rdate on Ubuntu 20.04
To uninstall only the rdate
package we can use the following command:
sudo apt-get remove rdate
Uninstall rdate And Its Dependencies
To uninstall rdate
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove rdate
Remove rdate Configurations and Data
To remove rdate
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge rdate
Remove rdate configuration, data, and all of its dependencies
We can use the following command to remove rdate
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge rdate
References
Summary
In this tutorial we learn how to install rdate
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.