can the centos7-based docker container run in the centos6 host?
further, can centos7-based mirrored docker containers in centos7 hosts be directly migrated to centos6 hosts? In other words, can the centos7-based docker container in the centos6 host be directly migrated to the centos7 host?
largely depends on the software used in the program, there may be no problem, but no problem is a small probability event. The Docker CE version officially no longer supports Cenos6. The above can only run the old version of docker, with poor stability, so it is OK to do experiments, but it is not recommended to use it in the production environment.
of course you can, otherwise why do you need docker
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