ubuntu安装docker-ce提示Package 'docker-ce' has no installation candidate解决的办法
前提是先执行apt-getupdateapt-getupgrade如果还出现这个问题依次执行下面的步骤:#添加docker源、sudoecho"debhttps://download.docker.com/linux/ubuntuzestyedge">/etc/apt/sources.list.d/docker.list#支持解析httpsapt-getinstall-yapt-transport