CentOS Stream 9
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Podman : Use Docker Command2022/03/14
 
Install a script named [docker] that emulates the Docker CLI by executes podman commands.
[1] Install Podman-docker package.
[root@dlp ~]#
dnf -y install podman-docker
# [docker] command is installed

[root@dlp ~]#
ll /usr/bin/docker 

-rwxr-xr-x. 1 root root 167 Feb 25 13:56 /usr/bin/docker
# emulates the Docker CLI by executes podman

[root@dlp ~]#
cat /usr/bin/docker 

#!/usr/bin/sh
[ -e /etc/containers/nodocker ] || \
echo "Emulate Docker CLI using podman. Create /etc/containers/nodocker to quiet msg." >&2
exec /usr/bin/podman "$@"
# test [docker] command

[root@dlp ~]#
docker images 

Emulate Docker CLI using podman. Create /etc/containers/nodocker to quiet msg.
REPOSITORY                  TAG         IMAGE ID      CREATED         SIZE
srv.world/centos-nginx      latest      762eb0a249a5  47 minutes ago  247 MB
srv.world/centos-httpd      latest      0c6c507d6e95  54 minutes ago  253 MB
quay.io/centos/centos       stream9     44ffcc4acee8  3 days ago      152 MB
docker.io/library/registry  2           8948869ebfee  5 days ago      24.7 MB
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