Goal Fresh install of Xubuntu 16.04 LTS, with a mix of local users (myself) and network users (kids) authenticated by LDAP with home directories mounted from a NFS server. To avoid incompatibilities in the roaming NFS home folder settings, use one and only one Linux version. The choice of Xubuntu was dictated by its simplicity and frugality on less powerful machines.
Troubleshooting for Logitech keyboards (e.g. MK700 or K520): if LightDM is stuck on qwerty, add the keyboard configuration option to the login screen, that is enought to bring back the French (or whatever) setup
supprimer anglais
Add Canonical partners as source
Start dropbox to download the daemon and input login/password