48.1. Introduction to Webmin Clustering
Webmin has several modules that make it easy to perform tasks on several machines at once. There are known as a cluster. A large organization might have tens or hundreds of servers that need some software package installed, UNIX user created, or Webmin module added. The cluster modules make this easy. Each corresponds to one of the single-machine modules, but allows the same tasks to be performed on more than one system at a time.
For a system to be part of a cluster, it must have Webmin installed, even if you never actually login to it directly. One of the cluster modules on a single host contacts all of the others using Webmin's RPC (Remote Procedure Call) protocol and instructs them to carry out certain ...
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