This adds the line program_usb_boot_mode=1 to the end of the config.txt file in /boot. Type in echo program_usb_boot_mode = 1 | sudo tee -a /boot /config. Power it up using an SD card with a Raspbian Lite image, and open a terminal window. So that you can use a Pi as a client, you need to enable network booting on it. This enables easy remote control and provisioning of the Pis from a central repository. In an industrial scenario, it is possible to use PiServer to develop a network of Raspberry Pis (maybe even using Power over Ethernet (PoE)) such that the control software for each Pi is stored remotely on a server. Hopefully, our extensive OS suppliers will provide suitable build files in future. PiServer could be used in the home to serve file systems for all Raspberry Pis around the house - either a single common Raspbian file system for all Pis or a different operating system for each. The teacher has centralised control over all Pis, and all Pis are user-agnostic, meaning there’s no need to match a person with a computer or an SD card. Moreover, the networked Pis doesn’t need to be connected to the internet. Each user can have their own account, and any files they create are also stored on the server. In a classroom, PiServer allows all files for lessons or projects to be stored on a central x86-based computer. What can I do with PiServer? Serve a whole c lassroom of Pis It uses a slightly altered Raspbian build which allows separation of temporary spaces, doesn’t have the default ‘pi’ user, and has LDAP enabled for log-in. Moreover, users cannot change the software, so educators have control over which programs their learners can use. This is great for a classroom full of Pis: just set up all the users beforehand, and everyone gets to log in with their passwords and keep all their work in a central place.
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