#!/bin/bash set -e curl -fsSL https://repo.vivaldi.com/archive/linux_signing_key.pub | gpg --dearmor | \ sudo tee /usr/share/keyrings/vivaldi.gpg > /dev/null echo deb [arch=amd64 signed-by=/usr/share/keyrings/vivaldi.gpg] \ https://repo.vivaldi.com/archive/deb/ stable main | \ sudo tee /etc/apt/sources.list.d/vivaldi.list apt update apt install vivaldi-stable exit 0