How to Remove (disable) Guest Session on Ubuntu 16.04?

Method 1: using terminal

sudo sh -c "echo 'allow-guest=false' >> /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf"
sudo sh -c 'printf "[Seat:*]\nallow-guest=false\n" > /usr/share/lightdm/lightdm.conf.d/50-no-guest.conf' (this will create a new file : 50-no-guest.conf ){codeBox}

Method 2: using text editor (GUI]

gksu gedit /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf and add this line to it :
gksu gedit /usr/share/lightdm/lightdm.conf.d/50-no-guest.conf' and add this lines to it:

Djalel Oukid

Science teacher, PhD student, Master degree in Microbial biotechnology , Microbiologist, designer, video editor, podcaster & blogger. linkedin portfolio github

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