Hardware
is
Raspberry
Pi
,
OS
is
Raspbian
which
after
booting
automatically
logs
in
the
user
fibel
whose
.
bashrc
specifies
to
launch
xinit
whose
.
xinitrec
specifies
to
run
chromium
<
br
/>
Frontend
is
running
in
chromium
which
loads
index
.
html
which
loads
all
the
rest
.<
br
/><
br
/>
Interaction
between
backend
services
/
sensors
and
frontend
takes
place
by
means
of
websockets
.
Every
backend
service
pipes
it
outputs
into
pipes
located
in
/
dev
/
fibel
,
these
pipes
are
created
by
bunch
of
gwsocket
-
daemons
launched
at
startup
,
config
file
for
service2port
associations
is
in
/
etc
/
fibel
/
sockets
.<
br
/><
br
/>
All
necessary
frontend
code
for
dealing
with
sockets
is
in
js
/
sockets
.
js