Podman : Use Docker Command2020/11/06

	Install a script named [docker] that emulates the Docker CLI by executes podman commands.
[1]	Install Podman-docker.

[root@dlp ~]#

dnf -y install podman-docker

# [docker] command is installed

[root@dlp ~]#

ll /usr/bin/docker

-rwxr-xr-x. 1 root root 167 Oct  8 01:24 /usr/bin/docker

# emulates the Docker CLI by executes podman

[root@dlp ~]#

cat /usr/bin/docker

#!/usr/bin/sh
[ -f /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/nginx-server                  latest       5c98ec35fda6  6 hours ago   419 MB
srv.world/fedora-httpd                  latest       56430ecb044d  6 hours ago   439 MB
registry.fedoraproject.org/fedora       latest       79fd58dc7611  9 days ago    181 MB
docker.io/library/nginx                 latest       f35646e83998  3 weeks ago   137 MB
registry.fedoraproject.org/f31/mariadb  latest       7dae2805f59d  7 months ago  487 MB
k8s.gcr.io/pause                        3.2          80d28bedfe5d  8 months ago  688 kB

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