NTP stands for Network Time Protocol. It is a protocol or service used to synchronize the clock of your client computers with the clock of a server. The server’s clock is also synchronized with the Internet. In this article, I’ll show you how to set up an NTP server in your environment and synchronize the clock with the client machines. I have run all the commands and procedures on my Debian 11 machines.
Source: LXer – How to set up NTP Server and Client on Debian 11