Is it possibe to add a password to the Guest Account in Lubuntu?
32890
How do I set a password for guest login
12692
How can I set up password-less SSH login?
35111
How can I automatically log out the guest account after a period of inactivity?
101684
How to password protect Grub menu
71846
Manually generate password for /etc/shadow
20946
Use one password for administration and another for system login
73216
Only Guest User login is Available in my new Dell Vostro Laptop
59621
How to configure lightdm to allow manual logins in Ubuntu 14.04
5490
How do I install Guest Additions in a VirtualBox VM?
109241
How to set a short password on Ubuntu?
108819
Why there are many guest accounts on my system?
44255
On Windows 7 can one make UAC on an admin account prompt for the password, just like a limited account?
58819
Sudo not available in guest login
157921
Installing Guest Additions causing problems
81059
How to disable automatic login in LightDM?
55093
How can I add a Stack Exchange login to my preexisting account?
124236
Why I'm not asked to set a password for Root when Installing Ubuntu?