hvernig á að setja upp brugga
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
raunverulegur mac setja brugga
$ brew cask install virtualbox
setja brugga m1 mac
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"