podmen

[root@localhostl ~]# yum -y remove docker-ce
[root@localhostl ~]# yum -y install podman
[root@localhostl ~]# cd /etc/containers/
[root@localhostl containers]# cp registries.conf{,-origin}
[root@localhostl containers]# vim registries.conf
[registries.search]
registries = [‘registry.access.redhat.com‘, ‘registry.redhat.io‘, ‘docker.io‘] //只保留docker.io

unqualified-search-registries = ["registry.fedoraproject.org", "registry.access.redhat.com", "registry.centos.org", "docker.io"]  //只保留dpcker.io