Podman : Install2021/07/29 |
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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. |
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| [1] | Install Podman. |
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[root@dlp ~]# dnf -y install podman
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| [2] | Download an official image and create a Container and output the words [Welcome to the Podman World] inside the Container. |
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# download the official image [root@dlp ~]# podman pull docker.io/rockylinux/rockylinux Trying to pull docker.io/rockylinux/rockylinux:latest... Getting image source signatures ..... ..... Writing manifest to image destination Storing signatures 333da17614b642a228c30edcb2bddfdf17b2d713ae71b7930c44b714ff8b92e7 # run echo inside a container [root@dlp ~]# podman run rockylinux /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. |
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[root@dlp ~]#
[root@667ee89589ad /]# podman run -it rockylinux /bin/bash [root@667ee89589ad /]# # connected
uname -a Linux 667ee89589ad 4.18.0-305.7.1.el8_4.x86_64 #1 SMP Tue Jun 29 19:22:12 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux [root@667ee89589ad /]# exit exit [root@dlp ~]# # come back
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| [4] | If you'd like to run a Container as a Daemon, add [d] option. |
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[root@dlp ~]# podman run -itd rockylinux /bin/bash c2eacab8ff57b02f1684becb071fff5787182613758171b981979f5f981e23bf # show podman proceses [root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c2eacab8ff57 rockylinux /bin/bash 7 seconds ago Up 7 seconds ago confident_heisenberg # attach to container session [root@dlp ~]# podman exec -it c2eacab8ff57 /bin/bash [root@c2eacab8ff57 /]# # connected [root@c2eacab8ff57 /]# exit
# stop container process (if force stop, specify [kill]) [root@dlp ~]# podman stop c2eacab8ff57 [root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES |
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