Установка Skype (skypeforlinux)

Добавление репозитория

sudo echo "deb [arch=amd64] https://repo.skype.com/deb stable main" > /etc/apt/sources.list.d/skype-stable.list
sudo wget -O - "https://repo.skype.com/data/SKYPE-GPG-KEY" | apt-key add -

Установка

sudo apt-get update
sudo apt-get install skypeforlinux