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Welcome to the em-control-box wiki!
These pages contain the documentation for our Electronic monitoring system.
Installation - steps for outfitting a new boat with a sensor system and control box.
Servicing - useful knowledge for technicians who maintain systems on boats.
Developing - more technical docs for those who work on the EM Control Box Software, and as a reference to technicians.
The control box has 2 disks, an OS disk, and optional DATA disk. The OS disk contains at least 2 partitions, labelled BOOT and VAR. Boxes with a development environment installed also have a DEV partition. The purpose of these is as follows:
- BOOT is not mounted in a running system. It's used by the bootloader to launch either the development or production EM operating system. It contains a bootloader config at "/grub/grub.conf" and any number of software images, such as /em-X.Y.Z which contain the entire production EM system.
- VAR is a run-time data directory. When a production EM system runs, the root directory (/) is read-only, and is loaded from the image file. Any files that need to be editable in the production system are stored here. The VAR partition is mounted at the /var location.
- DEV is the development environment. It may be used in place of a read-only production image.
From the user interface, and hit ctrl-alt-f1 to enter the administration prompt. To see if all the disks are there with "fdisk -l"