I have recently installed a piserver in our school classroom as shown here https://www.raspberrypi.org/blog/piserver/
It appears to all be working fine except now I'm having difficulty installing things onto the pi image.
I am trying to install edublocks via the shell that piserver provides. I get some errors about QEMU but it continues. The installation stops and asks me to install without sudo, but I'm not using sudo?
If i try on a pi itself I don't have the write permissions.
Also I need to install a CA certificate in the Chromium browser, is it possible to do this for all users?
I appreciate any help you can give.