This is a small tip to enable auto login in Ubuntu flavour. That means you don’t need to login in to your machine when the system boots up. For enabling Auto Login you need to have mingetty and need to edit one file. For complete procedure, please follow the below steps
step 1
sudo apt-get install mingetty
Step2
After installing you need to take back up of file /etc/event.d/tty1
Step 3
Now type the following command in terminal
sudo vi /etc/event.d/tty1
Step 4
Now change the last line of the file
exec /sbin/getty 38400 tty1 to exec /sbin/mingetty –autologin your_username tty1
Step 4

GDM setup