Podman : Install2022/03/14

	Install Podman that is Container management tool.
[1]	Install Podman.

[root@dlp ~]#

dnf -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 centos:stream9

Resolved "centos" as an alias (/etc/containers/registries.conf.d/000-shortnames.conf)
Trying to pull quay.io/centos/centos:stream9...
Getting image source signatures
.....
.....
Writing manifest to image destination
Storing signatures
44ffcc4acee84be468078511bdf44a718f0e172b67f6fba84d0e66a94cb77b0a

# run echo inside a container

[root@dlp ~]#

podman run centos:stream9 /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 centos:stream9 /bin/bash

[root@0515ac50141f /]#

# connected

[root@0515ac50141f /]#

uname -a

Linux 0515ac50141f 5.14.0-70.el9.x86_64 #1 SMP PREEMPT Thu Feb 24 23:01:31 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
[root@0515ac50141f /]#

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 centos:stream9 /bin/bash

52e059ca3237967b89efd6330a7bddbc6d38c2e64c8a62d7a045c0e1c953bff7

# show podman processes

[root@dlp ~]#

podman ps

CONTAINER ID  IMAGE                          COMMAND     CREATED        STATUS             PORTS       NAMES
52e059ca3237  quay.io/centos/centos:stream9  /bin/bash   9 seconds ago  Up 10 seconds ago              keen_fermat

# attach to container session

[root@dlp ~]#

podman exec -it 52e059ca3237 /bin/bash

[root@52e059ca3237 /]#

# connected

[root@52e059ca3237 /]#

exit

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

[root@dlp ~]#

podman stop 52e059ca3237

[root@dlp ~]#

podman ps

CONTAINER ID  IMAGE       COMMAND     CREATED     STATUS      PORTS       NAMES

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