By default, it comes with DE keyboard. It kinda a pain in the ass...
So easy way to change to US keyboard layout, follow this few steps
// not recommend this
dpkg-reconfigure keyboard-configuration
// recommend this
sudo nano /etc/default/keyboard
XKBLAYOUT="de" to
XKBMODEL="pc105"
XKBLAYOUT="us"
XKBVARIANT=""
XKBOPTIONS=""
// reboot vps
reboot
References: https://askubuntu.com/questions/342066/how-to-permanently-configure-keyboard