opera

1. Engadimos ao repositorio as fontes

# echo "deb http://deb.opera.com/opera stable non-free" > /etc/apt/sources.list.d/opera.list

2. Inserimos a clave pública do repositorio Opera no noso repositorio de claves

# wget -O - http://deb.opera.com/archive.key | apt-key add -

3. Actualizamos os índices dos repositorios e instalamos o paquete

# apt update

# apt install opera