#/bin/bash sudo apt install wget gpg apt-transport-https wget -qO- https://repo.vivaldi.com/archive/linux_signing_key.pub | gpg --dearmor > packages.vivaldi.gpg sudo install -o root -g root -m 644 packages.vivaldi.gpg /etc/apt/trusted.gpg.d sudo sh -c 'echo "deb [arch=amd64,armhf signed-by=/etc/apt/trusted.gpg.d/packages.vivaldi.gpg] https://repo.vivaldi.com/archive/deb stable main" > /etc/apt/sources.list.d/vivaldi.list' rm -f packages.vivaldi.gpg sudo apt update # sudo apt install vivaldi-stable -y