This guide describes how to publish a message on the [Central service](https://lambda.grnet.gr) of the service. This guide is intended to be used only by the administrators of the central service VM.
This guide describes how to publish a message on the [Central service](https://lambda.grnet.gr) of the service. This guide is intended to be used only by the administrators of the central service VM.
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The administrator of the central service must first login the machine using ssh and become the `root` user. From the command line provide the following command
The administrator of the central service must first login the machine using ssh and become the `root` user. From the command line provide the following command
