Podman : Install2021/08/28

	Install Podman that is Container management tool. It's possible to use the same ease of use of Docker Cli and also Podman does not need specific Service Daemon.
[1]	Install Podman.

root@dlp:~#

apt -y install podman

[2]	Download an official image and create a Container and output the words [Welcome to the Podman World] inside the Container.

# download the official image

root@dlp:~#

podman pull debian

Resolved "debian" as an alias (/etc/containers/registries.conf.d/shortnames.conf)
Trying to pull docker.io/library/debian:latest...
Getting image source signatures
Copying blob 4c25b3090c26 done
Copying config fe3c5de034 done
Writing manifest to image destination
Storing signatures
fe3c5de03486f6e68639071e35675bc204558725a728e4eb835a23b62db6d7b5

# run echo inside a container

root@dlp:~#

podman run debian /bin/echo "Welcome to the Podman World"

Welcome to the Podman World

[3]	Connect to the interactive session of a Container with [i] and [t] option like follows. If [exit] from the Container session, the process of a Container finishes.

root@dlp:~#

podman run -it debian /bin/bash

root@95bb9e0bb0b3:/#

# connected

root@95bb9e0bb0b3:/#

uname -a

Linux 95bb9e0bb0b3 5.10.0-8-amd64 #1 SMP Debian 5.10.46-4 (2021-08-03) x86_64 GNU/Linux
root@95bb9e0bb0b3:/#

exit

exit
root@dlp:~#

# come back

[4]	If you'd like to run a Container as a Daemon, add [d] option.

root@dlp:~#

podman run -itd debian /bin/bash

e170d5efeba7cd5345edcaf2a587f316082fe9fc7fc5ee05fa175bb952ebd450

# show podman proceses

root@dlp:~#

podman ps

CONTAINER ID  IMAGE                            COMMAND    CREATED        STATUS            PORTS   NAMES
e170d5efeba7  docker.io/library/debian:latest  /bin/bash  7 seconds ago  Up 7 seconds ago          friendly_rosalind

# attach to container session

root@dlp:~#

podman exec -it e170d5efeba7 /bin/bash

root@e170d5efeba7:/#

# connected

root@e170d5efeba7:/#

exit

# stop container process (if force stop, specify [kill])

root@dlp:~#

podman stop e170d5efeba7

root@dlp:~#

podman ps

CONTAINER ID  IMAGE   COMMAND  CREATED  STATUS  PORTS   NAMES

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