Fedora 31
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Podman : Install
2019/11/19
 
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 official image

[root@dlp ~]#
podman pull fedora

Trying to pull docker.io/library/fedora...
Getting image source signatures
Copying blob d318c91bf2a8 done
Copying config f0858ad3fe done
Writing manifest to image destination
Storing signatures
f0858ad3febdf45bb2e5501cb459affffacef081f79eaa436085c3b6d9bd46ca

# run echo inside 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@4da68524fc03 /]#    
# connected
[root@4da68524fc03 /]#
uname -a

Linux 4da68524fc03 5.3.7-301.fc31.x86_64 #1 SMP Mon Oct 21 19:18:58 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
[root@4da68524fc03 /]#
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

dda0912d81736b8cdea493bb55b4749c03170500931f7852799a6c017d9d5eec

# show podman proceses

[root@dlp ~]#
podman ps

CONTAINER ID  IMAGE                            COMMAND    CREATED         STATUS             PORTS  NAMES
dda0912d8173  docker.io/library/fedora:latest  /bin/bash  10 seconds ago  Up 10 seconds ago         gallant_brown

# attach to container session

[root@dlp ~]#
podman exec -it dda0912d8173 /bin/bash

[root@dda0912d8173 /]#    
# connected

[root@dda0912d8173 /]#
exit
# stop container process (if force stop, specify [kill])

[root@dlp ~]#
podman stop dda0912d8173

[root@dlp ~]#
podman ps

CONTAINER ID  IMAGE  COMMAND  CREATED  STATUS  PORTS  NAMES
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