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How to use chrony?

I am running two ROS masters on one computer and I'm using the Multimaster FKIE package to connect the two ROS masters. I think I need to synchronize the time of both ROS masters to make my scenario work. From a quick search for some solutions I found this chrony protocol that is recommended to be use for multi-computer ROS synchronization. However I have never studied networking and from reading the documentation on chrony webpage I couldn't understand how to use it. I have installed the chrony on my computer and now I need some further rookie instructions.

How to set it and how to run it? What can I expect from using chrony? The both ROS masters are running at the localhost just different ports.

How to use chrony?

I am running two ROS masters on one computer and I'm using the Multimaster FKIE package to connect the two ROS masters. I think I need to synchronize the time of both ROS masters to make my scenario work. From a quick search for some solutions I found this chrony protocol that is recommended to be use for multi-computer ROS synchronization. However I have never studied networking and from reading the documentation on chrony webpage I couldn't understand how to use it. I have installed the chrony on my computer and now I need some further rookie instructions.

How to set it and how to run it? What can I expect from using chrony? The both ROS masters are running at the localhost just different ports.