Hi David,

since Edubuntu is no longer developed, it's probably better to use the
ltsp-discuss mailing list instead.

Sticking to 14.04 vs moving to 16.04: I'll be using/supporting 16.04
that has systemd, while 14.04 doesn't. So while 14.04 probably works
fine now, and it will probably continue working fine, it might not get
any new ltsp/epoptes versions via the Greek schools PPA.

32-bit vs 64-bit: my rule of thumb is, if all your systems are 64bit
and have at least 2 MB RAM, then go for amd64, otherwise install i386.

Testing: I don't know of any bugs etc that need testing. Note that
I'll probably be using the Ubuntu MATE version, so this will receive
the most testing from my side.

Cloning: For the Greek schools, we have created repositories and
packages so that we install Ubuntu and then install a special
"secondary-school" or "primary-school" etc package, that pulls all the
software and does all the customizations that we need.
In your case, to avoid the packaging overhead, I'd propose to do all
the customizations with a simple script that would do things like:
add-apt-repository --yes ppa:ts.sch.gr
apt update
apt --yes dist-upgrade
apt --yes install ltsp-server-etc-etc-etc
cat >/etc/config/file <<EOF
some text here...
EOF

This would result in classrooms *not* having the same ssh keys or
machine IDs, and having reproducible installations, while the script
would probably be compatible with both 14.04 and 16.04.

If your scripting skills aren't enough for that, then I would maintain
a master installation in an external USB stick or disk, and after
booting with that in the target computer, I would run:
# clone from stick to hard disk:
dd if=/dev/sdb of=/dev/sda
# move the swap partition to the end of the hard disk,
# and expand the ubuntu partition to cover all the first disk:
gparted /dev/sda

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