$ yum install --nobest docker-ce Last metadata expiration check: 0:09:23 ago on Wed 29 Apr 2020 01:16:58 AM JST. Dependencies resolved. Problem: package docker-ce-3:19.03.8-3.el7.x86_64 requires containerd.io >= 1.2.2-3, but none of the providers can be installed - cannot install the best candidate for the job - package containerd.io-1.2.10-3.2.el7.x86_64 is excluded - package containerd.io-1.2.13