Неожиданно, на убунте 18 ошибка, при установке docker-ce: webmaster@ubuntu:~$ sudo apt-get install docker-ce Reading package lists... Done Building dependency tree Reading state information... Done Package docker-ce is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'docker-ce' has no installation candidate исправление: sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu artful stable" Апдейтиймся и пробуем ставить заново