On Fri 23 Oct 2015 at 14:18:13 +0100, Jim Ottaway wrote: > >>>>> Brian <a...@cityscape.co.uk> writes: > > Please see the manual for systemd-debug-generator and try > > > systemctl stop debug-shell.service > > > tty9 should become unresponsive. > > > Then > > > systemctl disable debug-shell.service > > > The behaviour you describe is not normal here. Having a root shell > > always open is a security risk. > > Thank you. That seems to have worked; I did feel queasy seeing a > persistent root shell running that I didn't know about like that. > > Any idea how I might have enabled the debug-shell service without my > noticing? Perhaps it's an option in the install process?
It definitely isn't an option offered by the installer. The only way I can see to get a root shell on tty9 on booting is by doing systemctl enable debug-shell.service beforehand. Surely you would notice that? :)
