KeyBox is a free, web-based open source application that can be used to manage multiple SSH sessions on multiple systems. It allows you to execute commands on multiple shells, manage keys, share terminal commands, and upload files to multiple systems simultaneously. It will generate a private/public key pair on initial startup, also you can define your own custom key if you like. Moreover, you can add additional system admins, and audit terminal history of them. KeyBox allows you to control the users, so that you can define which users can access which systems. After starting the SSH session, you’ll be able to manage single or multiple systems via a web browser of your choice more easily and effectively.

This tutorial describes how to install KeyBox on your Linux systems, and how to manage multiple remote servers through KeyBox web console.

Full article here:
KeyBox: A Web-based SSH Console To Manage Multiple SSH Sessions Simultaneously (Unixmen)