source makesymlinks.sh: https://github.com/michaeljsmalley/dotfiles/blob/master/makesymlinks.sh
adduser username
add user to sudo group
adduser radoslav sudo
sudo passwd -l root
sudo apt-get install zsh
sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"