How To Install chrony on Ubuntu 22.04
Introduction
In this tutorial we learn how to install chrony
on Ubuntu 22.04.
What is chrony
chrony is:
It consists of a pair of programs:
chronyd: This is a daemon which runs in background on the system. It obtains measurements (e.g. via the network) of the system’s offset relative to other systems and adjusts the system time accordingly. For isolated systems, the user can periodically enter the correct time by hand (using ‘chronyc’). In either case ‘chronyd’ determines the rate at which the computer gains or loses time, and compensates for this. Chronyd implements the NTP protocol and can act as either a client or a server.
chronyc: This is a command-line driven control and monitoring program. An administrator can use this to fine-tune various parameters within the daemon, add or delete servers etc whilst the daemon is running.
There are three methods to install chrony
on Ubuntu 22.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install chrony Using apt-get
Update apt database with apt-get
using the following command.
After updating apt database, We can install chrony
using apt-get
by running the following command:
Install chrony Using apt
Update apt database with apt
using the following command.
After updating apt database, We can install chrony
using apt
by running the following command:
Install chrony 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.
After updating apt database, We can install chrony
using aptitude
by running the following command:
How To Uninstall chrony on Ubuntu 22.04
To uninstall only the chrony
package we can use the following command:
Uninstall chrony And Its Dependencies
To uninstall chrony
and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
Remove chrony Configurations and Data
To remove chrony
configuration and data from Ubuntu 22.04 we can use the following command:
Remove chrony configuration, data, and all of its dependencies
We can use the following command to remove chrony
configurations, data and all of its dependencies, we can use the following command:
References
Summary
In this tutorial we learn how to install chrony
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.