Install ubuntu linux server

Changing the keyboard layout

sudo dpkg-reconfigure keyboard-configuration

Change the font size

Edit the file /etc/default/console-setup and enter:

FONTFACE="Terminus" 
FONTSIZE="22x11"

then run

sudo update-initramfs -u 
sudo reboot

No password request for sudo

You can configure sudo to never ask for your password.

Open a Terminal window and type:

sudo visudo

In the bottom of the file, add the following line:

$USER ALL=(ALL) NOPASSWD: ALL
Where $USER is your username on your system. Save and close the sudoers file (if you haven't changed your default terminal editor (you'll know if you have), press Ctl + x to exit nano and it'll prompt you to save).