Ubuntu 25.04
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Podman : Install2025/04/22
 

Install Podman that is Container management tool.

[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 ubuntu 

Resolved "ubuntu" as an alias (/etc/containers/registries.conf.d/shortnames.conf)
Trying to pull docker.io/library/ubuntu:latest...
Getting image source signatures
Copying blob 2726e237d1a3 done   |
Copying config 602eb6fb31 done   |
Writing manifest to image destination
602eb6fb314b5fafad376a32ab55194e535e533dec6552f82b70d7ac0e554b1c
# run echo inside a container

root@dlp:~#
podman run ubuntu /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 ubuntu /bin/bash

root@3ac2880e9f01:/#    
# connected
root@3ac2880e9f01:/#
uname -a

Linux 3ac2880e9f01 6.14.0-15-generic #15-Ubuntu SMP PREEMPT_DYNAMIC Sun Apr 6 15:05:05 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
root@3ac2880e9f01:/#
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 ubuntu /bin/bash 

06aca0effbb5754927f6ec7705a3b26a5bc204e2e39c3ce61a698bb2e8d48f03
# show podman processes

root@dlp:~#
podman ps 

CONTAINER ID  IMAGE                            COMMAND     CREATED         STATUS         PORTS       NAMES
06aca0effbb5  docker.io/library/ubuntu:latest  /bin/bash   11 seconds ago  Up 12 seconds              romantic_hawking
# attach to container session

root@dlp:~#
podman exec -it 06aca0effbb5 /bin/bash

root@06aca0effbb5:/#    
# connected

root@06aca0effbb5:/#
exit
# stop container process
# * if force stop, specify [podman kill ***]

root@dlp:~#
podman stop 06aca0effbb5

root@dlp:~#
podman ps 

CONTAINER ID  IMAGE   COMMAND  CREATED  STATUS  PORTS   NAMES
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