I was thinking a lot to safe guard my Linux .
Q: How to disable the guest user login ?
$sudo /usr/lib/lightdm/lightdm-set-defaults -l false
$sudo restart lightdm
Q : How to Enable teh guest user login ?
$sudo /usr/lib/lightdm/lightdm-set-defaults -l true
$sudo restart lightdm
oh very short and easy steps…
Thanks for your visit an comment .
Kartook