Setup Debian in a Virtualbox

The following tips can make it convenient to use debian in a virtual box, but please keep in mind that they are not good practices for a production server.

Disable Sudo Password Requirement

On ubuntu/debian, you could disable sudo password prompt by following the steps below.

sudo visudo

Change

%sudo ALL=(ALL) ALL

to

%sudo ALL=(ALL) NOPASSWD: ALL

Auto login

The following steps can let you log in automatically to a console when boots.

sudo vi /etc/inittab

Change the line

1:2345:respawn:/sbin/getty 38400 tty1

to

1:2345:respawn:/bin/login -f user </dev/tty1 >/dev/tty1 2>&1

Disable Grub Screen

The following steps can disable grub splash screen when boots

sudo vi /etc/default/grub

Change the value of GRUB_TIMEOUT to 0

And then run the following command to update grub config.

sudo update-grub