My goal is to collect system metrics for a server e.g CPU, Disk etc. I have installed the elastic agent on the server and it show up as healthy in fleet server but there are no metrics. Do I really need to install metricbeat on the server aswell to be able to collect this?
No, you don't need to install Metricbeat separately if you have already installed the Elastic Agent. The Elastic Agent is a unified agent to collect data and send it to the Elastic Stack. It is designed to replace the individual Beats agents, including Metricbeat.
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