Podman : Install2021/03/22 |
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. |
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[1] | Install Podman. |
[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. |
# download the official image [root@dlp ~]# podman pull centos:stream8 Resolved "centos" as an alias (/etc/containers/registries.conf.d/000-shortnames.conf) Trying to pull quay.io/centos/centos:stream8... Getting image source signatures ..... ..... Writing manifest to image destination Storing signatures 2f3766df23b6b238987b29a0cec50a9974f97948ea2e6569035d374289ca2da2 # run echo inside a container [root@dlp ~]# podman run centos:stream8 /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 ~]#
[root@187f65ef0018 /]# podman run -it centos:stream8 /bin/bash [root@187f65ef0018 /]# # connected
uname -a Linux 187f65ef0018 4.18.0-277.el8.x86_64 #1 SMP Wed Feb 3 20:35:19 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux [root@187f65ef0018 /]# 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. |
[root@dlp ~]# podman run -itd centos:stream8 /bin/bash 98d7e1e63e3f5ff5a5ccad34ec565bb05d5a1d87ebd795df699a32d0fe2dfb60 # show podman processes [root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 98d7e1e63e3f registry.centos.org/centos:stream8 /bin/bash 10 seconds ago Up 11 seconds ago jovial_mendel # attach to container session [root@dlp ~]# podman exec -it 98d7e1e63e3f /bin/bash [root@98d7e1e63e3f /]# # connected [root@98d7e1e63e3f /]# exit
# stop container process (if force stop, specify [kill]) [root@dlp ~]# podman stop 98d7e1e63e3f [root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES |
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