安装docker,报错:
$ sudo apt-get install docker-ce docker-ce-cli containerd.ioReading package lists... DoneBuilding dependency tree... DoneReading state information... DonePackage docker-ce is not available, but is referred to by another package.This may mean that the package is missing, has been obsoleted, oris only available from another sourceE: Package 'docker-ce' has no installation candidat ... 详细内容已隐藏