Podman : Install2022/11/22

	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 ~]#

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 fedora

Resolved "fedora" as an alias (/etc/containers/registries.conf.d/000-shortnames.conf)
Trying to pull registry.fedoraproject.org/fedora:latest...
Getting image source signatures
Copying blob 49822917e40a done
Copying config 885d2b38b8 done
Writing manifest to image destination
Storing signatures
885d2b38b8195fef1151979cad84d033484c669e9b7ff803b42df6f165b62aa8

# run echo inside a container

[root@dlp ~]#

podman run fedora /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 fedora /bin/bash

[root@19ff7d25b270 /]#

# connected

[root@19ff7d25b270 /]#

uname -a

Linux 19ff7d25b270 6.0.8-300.fc37.x86_64 #1 SMP PREEMPT_DYNAMIC Fri Nov 11 15:09:04 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
[root@19ff7d25b270 /]#

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 fedora /bin/bash

3557aed25847ad5a7618a3df4396f71534847a7c9e75f39569d378307930bf8f

# show podman processes

[root@dlp ~]#

podman ps

CONTAINER ID  IMAGE                                     COMMAND     CREATED         STATUS             PORTS       NAMES
3557aed25847  registry.fedoraproject.org/fedora:latest  /bin/bash   12 seconds ago  Up 12 seconds ago              crazy_diffie

# attach to container session

[root@dlp ~]#

podman exec -it 3557aed25847 /bin/bash

[root@3557aed25847 /]#

# connected

[root@3557aed25847 /]#

exit

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

[root@dlp ~]#

podman stop 3557aed25847

[root@dlp ~]#

podman ps

CONTAINER ID  IMAGE   COMMAND  CREATED  STATUS  PORTS   NAMES

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