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Reproducing the image

Modified 2018-06-22 by Andrea Censi

These are the instructions to reproduce the Ubuntu image that we use.

Please note that the image is already available, so you don’t need to do this.

However, this documentation is useful if you would like to port the software to a different distribution. Also, we periodically run through these instructions to make sure that they work.

Just in case, let’s re-state this: in Fall 2017, you don’t necessarily need to do the following.

Internet connection to download the packages.

A PC running any Linux with an SD card reader.

Time: about 4 hours (most of it spent waiting for things to download/compile).

A baseline Ubuntu Mate 16.04.2 image with updated software.

Passwordless sudo

Modified 2018-06-22 by Andrea Censi

First, make vi the default editor, using

$ sudo update-alternatives --config editor

and then choose vim.basic.

Then run:

$ sudo visudo

And then change this line:

%sudo   ALL=(ALL:ALL) ALL

into this line:

%sudo   ALL=(ALL:ALL) NOPASSWD:ALL

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